tryptophan has been researched along with tyrosine in 3297 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1877 (56.93) | 18.7374 |
| 1990's | 366 (11.10) | 18.2507 |
| 2000's | 518 (15.71) | 29.6817 |
| 2010's | 406 (12.31) | 24.3611 |
| 2020's | 130 (3.94) | 2.80 |
| Authors | Studies |
|---|---|
| Bellman, K; Knegtel, RM; Settimo, L | 1 |
| Akamatsu, M; Asao, M; Fujita, T; Iwamura, H | 1 |
| Cha, SH; Chairoungdua, A; Endou, H; Kanai, Y; Kim, DK; Matsuo, H | 1 |
| Cha, SH; Chairoungdua, A; Endou, H; Enomoto, A; Goya, T; Kanai, Y; Kim, DK; Kim, JY; Kobayashi, Y; Matsuo, H | 1 |
| Abdalla, A; Friesema, EC; Ganguly, S; Halestrap, AP; Manning Fox, JE; Visser, TJ | 1 |
| Innocenti, A; Nishimori, I; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Innocenti, A; Nishimori, I; Onishi, S; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Innocenti, A; Kaila, K; Nishimori, I; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Nishimori, I; Pastorek, J; Pastorekova, S; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Nishimori, I; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Ferry, JG; Innocenti, A; Scozzafava, A; Supuran, CT; Zimmerman, SA | 1 |
| Bonini, BM; Thevelein, JM; Van Zeebroeck, G; Versele, M | 1 |
| Li, SM; Zheng, X; Zou, H | 1 |
| Arslan, O; Aydin, M; Guler, OO; Innocenti, A; Isik, S; Kockar, F; Scozzafava, A; Supuran, CT | 1 |
| Bhatt, L; Dhaneshwar, SS; Gairola, N; Kadam, SS; Kandpal, M; Rathi, B; Vadnerkar, G | 1 |
| Hilvo, M; Innocenti, A; Parkkila, S; Scozzafava, A; Supuran, CT | 1 |
| Hall, RA; Innocenti, A; Mühlschlegel, FA; Scozzafava, A; Supuran, CT | 1 |
| Innocenti, A; Leewattanapasuk, W; Manole, G; Mühlschlegel, FA; Scozzafava, A; Supuran, CT | 1 |
| Bertucci, A; Supuran, CT; Tambutté, S; Vullo, D; Zoccola, D | 1 |
| Capasso, C; Carginale, V; De Luca, V; Rossi, M; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Akdemir, A; Capasso, C; Carginale, V; De Luca, V; Rossi, M; Scozzafava, A; Supuran, CT; Vullo, D | 1 |
| Capasso, C; Del Prete, S; Supuran, CT; Vullo, D | 1 |
| Augustyn, E; Chien, HC; Colas, C; Finke, K; Flint, A; Giacomini, KM; Hansen, L; Heeren, N; Hernandez, C; Lin, L; Miller, S; Schlessinger, A; Thomas, AA; Zur, AA | 1 |
| AlOthman, Z; Capasso, C; Del Prete, S; Donald, WA; Osman, SM; Supuran, CT; Vullo, D | 1 |
| Anthony, A; Augustyn, E; Bauer, J; Campbell, J; Chien, HC; Colas, C; Finke, K; Flint, A; Fotiadis, D; Giacomini, KM; Hall, C; Hansen, L; Heeren, N; Hernandez, C; Schlessinger, A; Springer, S; Stoner, L; Thomas, AA; Venteicher, B; Zur, AA | 1 |
| Chen, X; Darshini, N; Leng, J; Mallesha, N; Qin, HL; Rakesh, KP; Shubhavathi, T; Vivek, HK | 1 |
| Andreu, JM; Carreira, J; Muñoz, E; Nieto, M | 1 |
| DeLeo, AB; Sprinson, DB | 1 |
| Herrmann, KM; McCray, JW | 1 |
| Giglio, JR | 1 |
| Hadar, R; Kuhn, J; Slonim, A | 1 |
| Friedrich, B; Friedrich, CG; Schlegel, HG | 1 |
| Aprison, MH; Hingtgen, JN; Lane, JD; Smith, JE | 1 |
| Bartlett, JR; Bridges, PK; Curzon, G; Kantamaneni, BD | 1 |
| Bourgoin, S; Hanson, M; Héry, F; Ternaux, JP | 1 |
| Bol'shevich, ZhA; Bumeĭster, VK; Lerkh, EE; Rudzit, VK | 1 |
| Shiio, I; Sugimoto, S | 4 |
| Goyffon, M; Toulmé, JJ; Villa, F | 1 |
| Leach, SJ; Nicola, NA | 1 |
| Inoue, H; Izumi, T | 1 |
| Davis, JN | 2 |
| Nakamura, E; Nishiwaki, K; Tachiki, KH; Takahashi, R; Tateishi, T | 1 |
| BARDAKDJIAN, J; Belin, MF; Gonnard, P; Kouyoumdijian, JC | 1 |
| Lingens, F | 2 |
| Fuller, RW; Steinberg, M | 1 |
| Kördel, W; Schneider, F | 1 |
| Levchuk, AA; Raushenbakh, MO | 1 |
| Tsong, TY | 1 |
| Turner, RB | 1 |
| Daniel, PM; Moorhouse, SR; Pratt, OE | 2 |
| Altekar, W | 3 |
| Arseniev, AS; Balashova, TA; Bystrov, VF; Ivanov, VT; Ovchinnikov, YA; Tsetlin, VI; Utkin, YN | 1 |
| Fernstrom, JD | 4 |
| Dorrington, KJ; Ellerson, JR; Isenman, DE; Painter, RH | 1 |
| Poensgen, J; Ullrich, V | 1 |
| Daurat-Larroque, ST; Portuguez, ME; Santomé, JA | 1 |
| Carlsson, A; Holmin, T; Lindqvist, M; Siesjö, BK | 1 |
| Braun, L; Geller, E; Oldendorf, WH; Yuwiler, A | 1 |
| Kapatos, G; Zigmond, M | 1 |
| Irie, M; Ohgi, K | 1 |
| Leonard, BE; Ramaekers, F; Rigter, H | 2 |
| Birdsall, B; Burgen, AS; Feeney, J; Griffiths, DV; Kimber, BJ; King, RW; Roberts, GC; Scudder, P | 1 |
| Lane, JD; McBride, WJ; Shea, PA; Smith, JE | 1 |
| Martín, JF | 1 |
| Khan, FR; McFadden, BA; Saleemuddin, M; Siddiqi, M | 1 |
| Brandts, JF; Brennan, M | 1 |
| Schiller, PW | 1 |
| Hrkal, Z; Kodícĕk, M; Suttnar, J; Vodrázka, Z | 1 |
| Miller, JH; Smail, GA | 1 |
| Engel, J; Hedner, T; Lundborg, P | 2 |
| Fischer, JF | 1 |
| Bradbury, JH; Howell, JR; Johnson, RN; Warren, B | 1 |
| Bracke, M; Demeester, J; Lauwers, A; Vochten, R | 1 |
| Toulme, JJ | 1 |
| Callaghan, N; Curzon, G; Kantamaneni, BD; Murnaghan, D; Sullivan, PA | 1 |
| Fonlupt, P; Martinet, M; Pacheco, H | 1 |
| Jellinger, K; Kleinberger, G; Kothbauer, P; Rausch, WD; Riederer, P | 1 |
| Jellinger, K; Kleinberger, G; Rausch, WD; Riederer, P; Wuketich, S | 1 |
| Ahlenius, S; Almgren, O; Carlsson, A; Engel, J; Larsson, K; Södersten, P | 1 |
| Krüse, J; Verduin, BJ; Visser, AJ | 1 |
| Jellinger, K; Kothbauer, P; Rausch, WD; Riederer, P | 1 |
| Hedner, T; Lundborg, P | 1 |
| Fernstrom, JD; Munro, HN; Wurtman, RJ | 1 |
| Cowden, RR | 1 |
| Jokipii, AM; Jokipii, L; Leskowitz, S | 1 |
| Smythies, JR | 1 |
| Edwards, RG; Thomas, P; Westwood, JH | 1 |
| Bracke, M; Cooreman, W; Demeester, J; Lauwers, A | 1 |
| Cittanova, N; Grigorova, AM; Jayle, MF | 1 |
| Atassi, MZ | 1 |
| Møller, SE | 9 |
| Fischer, JE; James, JH; Jeppsson, B; Ziparo, V | 1 |
| Fehske, KJ; Müller, WE; Velden, LM; Wollert, U | 1 |
| Munro, HM | 1 |
| Esterhuizen, B; van der Merwe, KJ | 1 |
| Bouyer, JJ; Dedet, L; Joseph, JP; Rougeul, A | 1 |
| Maiwald, L | 1 |
| Christiansen, PA; Gál, EM | 1 |
| Hahn von Dorsche, H; Opitz, M | 1 |
| Curzon, G; Fernando, JC; Knott, PJ | 1 |
| Hulínská, D | 1 |
| Curzon, G; Fernando, JC | 2 |
| Powers, JM; Spicer, SS | 1 |
| Carreira, J; Dose, K; Kaiser, HJ; Risi, S; Schröder, C | 1 |
| Gautheron, DC; Godinot, C; Keira, T | 1 |
| Hill, RJ; Soni, SK | 1 |
| Moore, GR; Williams, RJ | 2 |
| Maki, AH; Zuclich, JA | 1 |
| Behbehani, AW; Neuhoff, V; Quentin, CD | 1 |
| Allerhand, A; Norton, RS; Oldfield, E | 1 |
| Bruinvels, J | 1 |
| Hasselmann, C; Laustriat, G | 1 |
| Strömbom, U | 1 |
| Lohmann, W; Neubacher, H; Sportelli, L | 1 |
| Keller, RM; Wüthrich, K | 1 |
| Arfmann, HA; Seipke, G; Wagner, KG; Wehling, K | 1 |
| Dev, B; Mishra, GC | 1 |
| Bunney, WE; Kopanda, RT; Murphy, DL | 1 |
| Azhipa, IaI; Kaiushin, LP; Reutov, VP | 1 |
| Ganong, WF; Weiner, RI | 1 |
| Erecińska, M; Vanderkool, JM | 1 |
| Carlsson, A; Lindqvist, M | 4 |
| Ely, B; Pittard, J | 1 |
| Crisp, AH; Evans, G; Gaitonde, MK; Hartmann, MK; Kirkwood, BR | 1 |
| Salemnick, G; Stöhrer, G | 1 |
| Brun, F; Hélène, C; Toulmé, JJ | 1 |
| Garel, JR | 1 |
| Fan, CC; Plaut, GW; Tomcho, LA | 2 |
| Roche, RS; Schlessinger, J; Steinberg, IZ | 1 |
| Dobson, CM; Moore, GR; Williams, RJ | 1 |
| Demchenko, AP; Generalov, IV; Troitsky, GV; Zav'yalov, VP | 1 |
| Hirayama, O; Maenaka, K; Matsuda, H; Takatsuka, H; Takeda, H | 1 |
| Aprison, MH; Lane, JD; McBride, WJ; Shea, PA; Smith, JE | 1 |
| Barker, RW; Brown, FF; Drake, R; Halsey, MJ; Richards, RE | 1 |
| Miller, JN; Nwokedi, GI | 1 |
| Azuma, K; Azuma, M; Suzuki, T | 1 |
| Montie, TC; Smith, PB | 1 |
| Friedrich, CG; Schlegel, HG | 1 |
| Gellerfors, P; Nelson, BD | 1 |
| Bischko, J; Krisper, H; Rett, A; Riederer, P; Tenk, H; Werner, H | 1 |
| Pearce, KN | 1 |
| Coan, CR; Deranleau, DA; Hinman, LM | 3 |
| Lähdesmäki, P; Oja, SS; Vanhatalo, A | 1 |
| Blake, CC; Cassels, R; Dobson, CM; Grace, DE; Johnson, LN; Perkins, SJ; Phillips, DC; Poulsen, FM; Williams, RJ | 1 |
| Górski, A; Iskierko, J | 1 |
| Kiely, ME; Sourkes, TL | 1 |
| Gaillard, JM; Tissot, R | 1 |
| Blazek, R; Johnson, AL; Michalakeas, A; Riley, GJ; Shaw, DM; Tidmarsh, SF | 1 |
| Pratt, OE | 1 |
| Benignus, VA; Davis, JN; McNamara, MC; Miller, AT | 1 |
| Armstrong, DA; Buchanan, JD; Greenstock, CL; Ruddock, GW | 1 |
| Wirz-Justice, A | 2 |
| Davies, JV; Moore, JS; Mudher, S | 1 |
| Calderini, G; Carlsson, A; Nordström, CH | 2 |
| Ahtee, L; Carlsson, A | 1 |
| Moore, JS; Mudher, S | 1 |
| Land, EJ; Prütz, WA | 1 |
| Matthews, HR; Matthews, KS; Opella, SJ | 1 |
| Ashman, PU; Newport, GR; Page, CR; Seed, JR; Stibbs, HH | 1 |
| Hadar, R; Kuhn, J | 1 |
| Spratt, BG | 1 |
| Subramanian, N | 1 |
| McCormick, DB | 1 |
| Butler, AP; Revzin, A; von Hippel, PH | 1 |
| Pittard, AJ; Whipp, MJ | 1 |
| Calhoun, DH; Jensen, RA | 2 |
| Jollès, P; Kaye, NM | 1 |
| Biraghi, A; Carbone, ML; de Scrilli, A; Lucchini, G; Magni, GE | 1 |
| Rathnam, P; Saxena, BB | 1 |
| Forlani, G; Marchesini, G; Zoli, M | 1 |
| Nakanishi, M | 1 |
| Bersohn, R; Ugurbil, K | 1 |
| Fisher, JE; Hodgman, J; James, JH; Rosen, HM; Soeters, PB | 1 |
| de Souza, SW; Pickard, FJ; Tricklebank, MD | 1 |
| Danishefsky, I; Villanueva, G | 1 |
| Amdisen, A; Møller, SE | 1 |
| Crang, AJ; Rumsby, MG | 1 |
| Castorina-Ziparo, S; Edelstein, E; Fischer, JE; James, JH; Ziparo, V | 1 |
| Dobson, CM; Woodworth, RC | 1 |
| Fehske, KJ; Müller, WE; Wollert, U | 1 |
| Qasim, MA; Salahuddin, A | 1 |
| Laakso, ML; Oja, SS | 1 |
| Agardh, CD; Carlsson, A; Linqvist, M; Siesjö, BK | 1 |
| Jackson, JB; Pollock, JM; Rill, RL | 1 |
| Ghiron, CA; Longworth, JW | 1 |
| Glaeser, BS; Growdon, JH; Melamed, E; Wurtman, RJ | 1 |
| Hirayama, C; Yoshida, K | 1 |
| Kägi, JH; Mertens, ML; Nagayama, K; Vasák, M; Wüthrich, K | 1 |
| Fritz, RR; Johnson, KM; Vickroy, TW | 1 |
| Kaletha, K | 1 |
| Cavadore, JC; Coletti-Previero, MA; Previero, A; Torreilles, J | 1 |
| Brandt, IK; Elsas, LJ; Jackson, CE; Nance, CS; Nance, WE; Paul, TD | 1 |
| Riederer, P | 3 |
| Porath, J; Vijayalakshmi, MA | 1 |
| Cersosimo, A; Mosconi Bernardini, P | 1 |
| Bertani-Dziedzic, L; Ciriello, S; Gitlow, SE; Krstulovic, AM | 1 |
| Anderson, GM; Cohen, DJ; Young, JG | 1 |
| Lifehitz, F; Moak, SA; Wapnir, RA | 1 |
| Brown, JW; Conkin, AL; Lasley, SM; Thurmond, JB | 1 |
| Dwek, RA; Johnson, LN; Perkins, SJ; Phillips, DC | 1 |
| Curzon, G; Hutson, PH; Knott, PJ | 2 |
| Abu-Murad, C; Littleton, JM | 1 |
| Davidson, CS; Fernstrom, JD; Hammarstrom-Wiklund, B; Munro, HN; Rand, WM; Wurtman, RJ | 2 |
| Borkowska, I | 1 |
| Das, NV; Hurley, LH; Lasswell, WL; Malhotra, RK | 1 |
| Gerard, D; Hirth, L; Laustriat, G; Magne, A | 1 |
| Hiromi, K; Inouye, K; Murao, S; Sato, S; Tonomura, B | 1 |
| Garciá, JV; Iborra, JL; Llorca, FI; Pastor, RF | 1 |
| Hannus, ML; Lähdesmäki, P | 1 |
| Moody, JP; Naylor, GJ; Peet, M | 1 |
| Kishimoto, H | 1 |
| Kaufmann, K; Nicksch, A; Vaz, WL | 1 |
| Boleaga, B; Castellanos, G; Eisenring, JJ; Estrada, E; Gaillard, JM; Hovaguimian, T; Hyde, A; Miranda, R; Tissot, R | 1 |
| Blankenhorn, G | 1 |
| De Montis, MG; Haber, B; Olianas, MC; Tagliamonte, A | 1 |
| Demain, AL; Sanchez, S | 1 |
| Louw, AI; Visser, L | 1 |
| Dillon, J; Garcia-Castineiras, S; Spector, A | 1 |
| Duncan, RJ; Tricklebank, MD | 1 |
| Flinchbaugh, C; Messing, RB; Waymire, JC | 1 |
| Brandt, IK; Elsas, LJ; Jackson, CE; Mamunes, P; Nance, CS; Nance, WE; Paul, TD | 1 |
| de Haas, GH; Jansen, EH; Meyer, H | 1 |
| Goriaev, PP; Vikhert, AM; Zakharkina, GA | 1 |
| Nixon, BR; Wang, RJ | 1 |
| Krajcarski, DT; Lynn, KR; Rayner, DM; Szabo, AG | 1 |
| Bodanszky, M; Natarajan, S; Schiller, PW | 1 |
| Dewey, WL; Johnson, KM | 1 |
| Balestrieri, C; Colonna, G; Giovane, A; Irace, G; Servillo, L | 2 |
| Carlson, GM; Colombo, G; Lardy, HA | 1 |
| Christen, P; Mavrides, C | 1 |
| Carlsson, A; Folkers, K; García-Sevilla, JA; Leban, J; Magnusson, T | 1 |
| Johansen, NL; Lundt, BF; Markussen, J; Vølund, A | 1 |
| Białkowska, H; Morawiecki, A | 1 |
| Hough, PV; Ledbeter, MC; McKinney, WR; Moos, HW; Pollack, RE | 1 |
| Browne, DT; Otvos, JD | 1 |
| Ishii, N; Morimyo, M; Shimazu, Y | 1 |
| Carlsson, A | 1 |
| Tissot, R | 2 |
| Allsopp, SR; Arrieta, JE; Homer, RB | 1 |
| Boschat, M; Delorme, ML; Granger, A; Huguet, C; Opolon, P; Rapin, JR; Sausse, A | 1 |
| Murray, GE; Smith-Keary, PF | 1 |
| White, PJ | 1 |
| Daniel, J | 1 |
| Aguirre, A; Fischer, JE; Funovics, JM; James, JH; Keane, JM; Wesdorp, RI; Westman, T; Yoshimura, N | 1 |
| Longworth, JW; McLaughlin, CL; Solomon, A | 1 |
| Bozcuk, AN | 1 |
| Bark, S | 1 |
| Bourret, RL | 1 |
| Bersohn, R; Chiu, HC | 1 |
| Archer, EG; Breakefield, XO; Sharata, MN | 1 |
| Anda, LP; Bantzer, P; Liappis, N | 1 |
| Sommer, H | 1 |
| Brown, MF; Omar, S; Raubach, RA; Schleich, T | 1 |
| Luisi, PL; Saltman, R; Vlach, D | 1 |
| Chouvet, G; Glowinski, J; Hery, F; Kan, JP; Pujol, JF | 1 |
| Henkens, RW; Kitchell, BB; Merrill, SP | 1 |
| Dobbing, J; Pickard, FJ; Tricklebank, MD | 1 |
| Dawson, CR; Krul, KG | 1 |
| Adrien, J; Bourgoin, S; Enjalbert, A; Hamon, M; Héry, F | 1 |
| De Montis, MG; Mulas, G; Olianas, MC; Tagliamonte, A | 1 |
| Jankowski, A; Siemion, IZ | 1 |
| Brand, JG; Cagan, RH | 1 |
| Komiyama, T; Miwa, M; Murao, S; Sato, S | 1 |
| Schlessinger, J; Steinberg, IZ | 1 |
| Gambardella, RL; Richardson, KE | 1 |
| Ichikawa, T; Terada, H | 1 |
| Herron, MJ; Nelson, RD; Schmidtke, JR; Simmons, RL | 1 |
| Biswas, B; Carlsson, A | 1 |
| Elwell, ML; Schellman, JA | 1 |
| Curzon, G; Gentil, V; Kantamaneni, BD; Lader, MH | 1 |
| Co, CT; Lane, JD; Smith, JE | 1 |
| Raushenbakh, MO | 1 |
| Grainger, DA; Nishimura, AM | 1 |
| Kafoe, WF; Leonard, BE; Shuster, S; Thody, AJ | 1 |
| Etienne, P; Sourkes, TL; Young, SM | 1 |
| DeMontis, MG; Gessa, GL; Olianas, M; Onali, PL; Tagliamonte, A | 1 |
| Huttunen, M; Jääskeläinen, J; Niskanen, P; Tamminen, T | 1 |
| Crescenzi, V; Giancotti, V; Quadrifoglio, F | 1 |
| Cummings, MG; Fischer, JE; James, JH; Kean, JM; Soeters, PB | 1 |
| Raushenbakh, MO; Sergeeva, TI; Zharova, EI | 1 |
| Auchet, JC; Monsigny, M; Privat, JP; Wahl, P | 1 |
| Dellacha, JM; Paladini, AC; Santome, JA | 1 |
| De Ridder, JJ; Kafoe, WF; Leonard, BE | 1 |
| Andersen, AE; Avins, L | 1 |
| Baumann, P; Gaillard, JM; Perey, M | 1 |
| Burgen, AS; Feeney, J; Griffiths, DV; Roberts, GC | 1 |
| Baumann, P; MGaillard, J | 1 |
| Bartlett, JR; Bridges, PK; Curzon, G; Kantamaneni, BD; Sepping, P | 1 |
| Krysteva, MA; Mazurier, J; Spik, G | 1 |
| Kay, CM; McCubbin, WD | 1 |
| Horwitz, J | 1 |
| Grahame-Smith, DG; Green, AR; Woods, HF; Youdim, MB | 1 |
| Johnson, BJ; Thames, KE | 1 |
| Froehlich, PM; Yeats, M | 1 |
| Blair, JA; Green, A; Leeming, RJ; Raine, DN | 1 |
| Faller, DV; Fernstrom, JD; Hirsch, MJ | 1 |
| Berthou, J; Cozzone, PJ; Jardetzky, O; Jollès, P; Opella, SJ | 1 |
| Neckers, L; Sze, PY | 1 |
| Faller, DV; Fernstrom, JD; Shabshelowitz, H | 1 |
| Engström, G; Strömbom, U; Svensson, TH; Waldeck, B | 1 |
| Boireau, A; Bourgoin, S; Hamon, M; Héry, F; Ternaux, JP | 1 |
| Jacoby, JH; Mueller, G; Wurtman, RJ | 1 |
| Kehr, W | 1 |
| Aprison, MH; Lane, JD; Smith, JE | 1 |
| Das, NV; Gairola, C; Hurley, LH | 1 |
| Aprison, MH; Hingtgen, JN; McBride, WJ; Smith, JE | 1 |
| Kehr, W; Speckenbach, W | 1 |
| Yamamoto, O | 1 |
| Gerard, D; Laustriat, G; Schreiber, JP | 1 |
| Fernstrom, JD; Wurtman, RJ | 4 |
| Murphy, TM | 1 |
| Corwin, LM; Thorne, GM | 1 |
| Morgan, JF; Morgan, WW; Saldana, JJ; Yndo, CA | 1 |
| Lin, TS; Tu, AT; Yu, NT | 1 |
| Brown, KD; Zurawski, G | 1 |
| Krieglstein, J; Niemeyer, DH | 2 |
| Francesconi, RP; Mager, M | 1 |
| Bourrillon, R; Jirgensons, B; Père, M | 1 |
| Cavanagh, JB; Curzon, G; Fernando, JC; Kantamaneni, BD; Woods, MS | 1 |
| Oja, SS; Vahvelainen, ML | 2 |
| DiRaddo, J; Kellogg, C | 1 |
| Kabók, K; Värkonyi, Z | 1 |
| Birkmayer, W; Danielczyk, W; Neumayer, E; Riederer, P | 2 |
| Hassan, SS | 1 |
| Knapp, S; Mandell, AJ | 2 |
| Curzon, G; Knott, PJ | 2 |
| Lees, GJ; Weiner, N | 1 |
| Inoue, Y; Matsushima, A; Shibata, K | 1 |
| Kanazawa, H; Oara, A; Sakane, M | 1 |
| Genov, N | 1 |
| Birkmayer, W; Riederer, P | 1 |
| Lähdesmäki, P; Oja, SS | 1 |
| Carruba, M; Mantegazza, P; Vicentini, L; Zambotti, F | 1 |
| Baumann, P; Heimann, H; Reyero, F; Schmocker, M | 2 |
| Batt, CW; Brunner, W; Cubelli, K; Sausville, E; Tortorelli, V; Villanueva, GB | 1 |
| Biguet, J; Dujardin, L; Lacoste, L | 1 |
| Wang, RJ | 1 |
| Feldman, JM; Plonk, JW | 1 |
| Chanderkar, LP; Gurnani, S; Nadkarni, GB | 1 |
| Leonard, BE | 5 |
| Kalghatgi, KK; Subba Rao, PV | 1 |
| Heinrich, D; Kubli, F; Metz, J; Wesch, H | 1 |
| Baillie, RD; Horowitz, PM | 1 |
| Elsden, SR; Hilton, MG; Waller, JM | 1 |
| Balasubramaniam, A; Chance, WT; Fischer, JE; Thomas, I | 1 |
| Baker, ME; Brtko, J; Filipcík, P; Knopp, J | 1 |
| Goda, K; Hakoshima, T; Ikehara, M; Itoh, T; Morioka, H; Nishikawa, S; Ohtsuka, E; Tomita, K; Uesugi, S | 1 |
| Lee, CY | 1 |
| Koppenol, WH; Maskos, Z; Rush, JD | 1 |
| Casas-Finet, JR; Karpel, RL; Wilson, SH | 1 |
| Adeola, O; Ball, RO | 1 |
| Kaneko, M; Kumashiro, H; Watanabe, K | 1 |
| Lewis, RV; Mach, H; Middaugh, CR | 2 |
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| Ausar, SF; Nouchikian, L; Rahman, N; Roque, C; Song, JY | 1 |
| Geng, S; Li, J; Liang, G; Liu, B; Wang, H | 1 |
| Ferré, N; Huix-Rotllant, M; Ledentu, V; Pieri, E | 1 |
| Falsone, SF; Gubensäk, N; Hofbauer, HF; Hohlweg, W; Kohlwein, SD; Kosol, S; Lichtenegger, S; Oostenbrink, C; Sarkleti, F; Setz, M; Wagner, GE; Wolinski, H; Zangger, K | 1 |
| Baik, SC; Cheong, GW; Jang, MK; Jung, M; Kang, HL; Lee, MY; Lee, WK; Park, SC; Shin, MK | 1 |
| Bui, T; Chang, D; Clark, C; de Bruyn, W; Hok, S | 1 |
| Cesario, TC; Chen, J; Dhankhar, D; Li, R; Rentzepis, PM | 1 |
| Guan, G; Huang, B; Ji, P; Li, J; Liao, P; Liu, H; Tan, B; Wang, J; Yin, Y | 1 |
| Deng, L; Kong, Y; Lei, Z; Li, H; Tan, W; Wu, D | 1 |
| Bartesaghi, S; Estrin, DA; Pedron, FN; Radi, R; Zeida, A | 1 |
| E, J; Guan, S; Han, F; Han, W; Liu, Y; Shan, Y; Wang, S; Zhang, H | 1 |
| Habiboglu, MG; Hernandez, HW; Uyaver, S | 1 |
| Chai, L; Fang, Z; Guo, H; Han, L; Li, C; Liu, C; Liu, M; Rao, X; Sun, Y; Xiao, M; Yang, X | 1 |
| Ano, Y; Ayabe, T; Furuyashiki, T; Kitaoka, S; Kondo, K; Ohya, R | 1 |
| de Voog, NJ; Li, GQ; Li, PL; Luo, XC; Tang, XL; Wang, Q | 1 |
| Jia, L; Li, Z; Wu, J | 1 |
| Huccetogullari, D; Lee, SY; Luo, ZW | 1 |
| Beer, R; Ferger, B; Fuchs, D; Gaasch, M; Hackl, W; Helbok, R; Kofler, M; Pfausler, B; Rass, V; Rhomberg, P; Schiefecker, AJ; Schmutzhard, E; Sperner-Unterweger, B; Thomé, C | 1 |
| Corni, S; Daidone, I; Zanetti-Polzi, L | 1 |
| Agartz, I; Andreassen, OA; Bogdanov, M; Dieset, I; Djurovic, S; Hope, S; Jönsson, EG; Kaddurah-Daouk, R; Matson, W; Melle, I; Smeland, OB; Steen, NE; Vedal, TSJ | 1 |
| Kuusisto, J; Laakso, M; Smith, U; Stancáková, A; Vangipurapu, J | 1 |
| Barry, BA; Chi, SH; Gumbart, JC; Guo, Z; Hwang, HJ; McCaslin, TG; McDaniel, M; Olivieri, C; Pagba, CV; Perry, JW; Porcelli, F; Veglia, G | 1 |
| Blauth, M; Fuchs, D; Hüfner, K; Sperner-Unterweger, B | 1 |
| Bůžková, P; Carbone, LD; Coughlin, SS; Fink, HA; Isales, CM; Le, B; Raiford, M; Robbins, JA; Shikany, JM | 1 |
| Chen, JC; Chen, Y; Cheng, L; Ding, YJ; Liu, Z; Sun, XD; Wu, HL; Yu, RQ | 1 |
| Kichler, A; Neuberg, P; Remy, JS; Wagner, A | 1 |
| Asamoto, DK; Kim, JE | 1 |
| Julian, RR; Talbert, LE | 1 |
| Lang, Y; Li, B; Li, E; Meng, X; Ran, X; Tian, J; Wang, W; Zang, Z; Zhang, Y | 1 |
| Antonia Álvarez-Fernández, M; Carmen García-Parrilla, M; Fernández-Cruz, E; Troncoso, AM; Valero, E | 1 |
| Liu, J; Ozaki, Y; Wang, Y; Xu, Z; Yang, C; Yu, Z; Zhao, B; Zhao, X | 1 |
| Warren, JJ; Weber, DS | 1 |
| Huntosova, V; Kozar, T; Stroffekova, K; Tomkova, S | 1 |
| Davies, MJ; Fierro, A; Fuentes-Lemus, E; Hägglund, P; Leinisch, F; López-Alarcón, C; Mariotti, M; Silva, E | 1 |
| Kuramochi, H; Tahara, S; Tahara, T; Takeuchi, S | 1 |
| Boehr, DD; Gorman, SD | 1 |
| Biggar, KK; Chopra, A; Willmore, WG | 1 |
| Greenfield, ML; Joodaki, F; Martin, LM | 1 |
| Aranguren-Abate, JP; Dedonder, C; Jouvet, C; Noble, JA; Pino, GA | 1 |
| Ano, Y; Kondo, K; Ohya, R | 1 |
| Nakamura, H; Sato, S | 1 |
| Ávila, F; Dorta, E; Fuentealba, D; Fuentes-Lemus, E; López-Alarcón, C | 1 |
| AlQahtany, FS; AlSalhi, MS; Devanesan, S; Farhat, KH; Masilamani, V | 1 |
| Ano, Y; Ayabe, T; Ohya, R | 1 |
| Guo, X; Li, F; Lu, H; Wang, J; Wang, X; Yu, M; Zheng, Z | 1 |
| Gu, P; Huang, Z; Li, Q; Liu, X; Niu, H | 1 |
| Ahmed, SAE; Hassan, SAE; Helmy, AH; Youssef, NF | 1 |
| Hillmer, H; Krause, S; Marcelli, D; Meibaum, J; Strohhöfer, C | 1 |
| Schöneich, C | 1 |
| He, H; Hou, H; Wang, Y | 1 |
| Fava, F; Garcia-Aloy, M; Koutsos, A; Lovegrove, J; Mattivi, F; Natella, F; Scaccini, C; Scholz, M; Stanstrup, J; Trošt, K; Tuohy, K; Ulaszewska, MM; Vrhovsek, U | 1 |
| Yang, H; Zhou, Y | 1 |
| Herrero, M; Martínez, H; Masa, M; Quintas, G; Reche, X; Rodas, G; Sanjuan-Herráez, JD; Valle, X | 1 |
| Bin, J; Kang, C; Liang, YM; Yan, XF; Zhou, B | 1 |
| Araujo-Huitrado, JG; Córdova-Rivas, S; de Loera, D; Durón-Torres, SM; Escalante-García, IL; Hernández-López, H; López, JA; López, L; López-Hernández, Y; Rivera-Avalos, E | 1 |
| Jones, SM; Kelemen, B; Meier, KK; Solomon, EI; Transue, WJ | 1 |
| Kumar, K | 1 |
| Lund, MN; Poojary, MM; Skibsted, LH; Zhao, Z | 1 |
| Pope, AL; Reeves, PJ; Sanchez-Reyes, OB; Smith, SO; South, K; Vogel, R; Zaitseva, E; Ziliox, M | 1 |
| Boehr, DD; Gorman, SD; Sahu, D; Winston, DS | 1 |
| Chen, Y; Ding, W; Lin, S; Wu, J; Yang, Y; Zang, J; Zhang, B; Zhao, H | 1 |
| Ahmady, IM; Hameed, MK; Han, C; Mohamed, AA | 1 |
| Angelini, F; Bruno, C; Guidi, F; Mancini, A; Meucci, E; Silvestrini, A; Vergani, E | 1 |
| Carrico, AW; Chahine, A; Cohn, M; Dilworth, SE; Fuchs, D; Gouse, H; Lee, J; Lee, JY; Magidson, JF; Meade, CS | 1 |
| Denisov, IG; Grinkova, YV; McLean, MA; Sligar, SG | 1 |
| Tang, S; Vincent, G | 1 |
| Chang, K; Jiang, W; Liu, B; Liu, J; Zhang, R; Zhang, T | 1 |
| Chen, W; Qu, C; Wang, S; Wu, J; Zhang, S | 1 |
| Jang, SH; Lee, C; Tran, KN | 1 |
| Guo, T; Han, L; Li, Z; Liu, Q; Liu, Y; Lu, Z; Xu, J; Yang, Y; Zhang, H | 1 |
| Hang, J; Hou, E; Qiao, J; Zhao, Y | 1 |
| Baráth, Á; Bereczki, C; Galla, Z; Grecsó, N; Monostori, P; Rácz, G; Rajda, C; Vécsei, L | 1 |
| Du, Y; Li, P; Li, X; Ma, M; Yang, J; Zhang, J; Zhang, L | 1 |
| Collin, F; Couderc, F; Guiard, B; Meang, VO; Perquis, L; Sarazin, C; Ta, HY | 1 |
| Chen, SC; Fang, S; Hsieh, HW; Hsu, CC; Huang, WC; Kou, R; Yang, EC | 1 |
| Bandyopadhyay, A; Chatterjee, S; Chowdhury, A; Pongen, A; Sarania, D; Tripathi, NM | 1 |
| Al Burtomani, SK; Elbashir, AA; Schmitz, OJ; Suliman, FO | 1 |
| Aleksandrov, A; Seo, D; Vos, MH; Zhuang, B | 1 |
| Apryatin, SA; Balakina, AS; Gmoshinski, IV; Nikityuk, DB; Riger, NA; Shipelin, VA; Shumakova, AA; Trusov, NV | 1 |
| Aguilar Lucero, D; Binolfi, A; Cantoia, A; Ceccarelli, EA; Mogk, A; Rosano, GL; Sánchez-López, C | 1 |
| Abdelnabi, R; Boonen, A; Camarasa, MJ; Gago, F; Illescas, BM; Martí-Marí, O; Martín, N; Mills, A; Neyts, J; Noppen, S; Ruiz-Santaquiteria, M; San-Félix, A; Schols, D | 1 |
| He, X; Peng, W; Tang, J; Xie, L; Xu, Y; Zhang, W; Zhang, Z; Zhou, J | 1 |
| Hasan, M; Jung, BH; Kwon, OS; Lee, G; Lee, SH; Seo, JE | 1 |
| Assaf, A; Fontaine, J; Grua-Priol, J; Lancelot, E; Le-Bail, A; Thouand, G | 1 |
| de Oliveira, MVV; Kleven, B; Maeda, HA; Yokoyama, R | 1 |
| Apryatin, SA; Gmoshinski, IV; Mzhelskaya, KV; Nikityuk, DB; Riger, NA; Shipelin, VA; Shumakova, AA; Timonin, AN; Trusov, NV | 1 |
| Al Mughram, MH; Bowry, JP; Catalano, C; Kellogg, GE; Safo, MK; Scarsdale, JN | 1 |
| Sherin, PS; Zhuravleva, YS | 2 |
| Carneiro-Ramos, MS; da Silva Martinho, H; Junho, CVC; Nepomuceno, G | 1 |
| Fulem, M; Havlín, J; Pokorný, V; Růžička, K; Štejfa, V | 1 |
| Arndt, S; Boskovic, M; Bosserhoff, AK; Dettmer, K; Fadil, F; Gronwald, W; Gruber, M; Karrer, S; Samol, C; Unger, P; Zimmermann, JL | 1 |
| Bulatov, V; Farber, Y; Hasson, S; Schechter, I; Shlosberg, Y | 1 |
| Garg, G; Rizvi, SI; Singh, AK; Singh, S; Verma, AK | 1 |
| Morozova, OB; Sherin, PS; Yurkovskaya, AV | 1 |
| Arakha, M; Bhunia, A; Jha, S; Ojha, M; Pariary, R; Yadav, KK | 1 |
| Matsumura, K; Miyatake, T; Sasaki, K; Tanaka, K; Yajima, S | 1 |
| Christendat, D; Crowley, VM; Fucile, G; Johnson, D; Kanaris, M; Poulin, J; Provart, N; Shahinas, D | 1 |
| Altaisaikhan, A; Asano, Y; Hata, T; Izuno, S; Miyata, N; Sudo, N; Takakura, S; Yoshihara, K; Zhang, X | 1 |
| Moulaee, K; Neri, G | 1 |
| Kosmachevskaya, OV; Nasybullina, EI; Novikova, NN; Shumaev, KB; Topunov, AF | 1 |
| Davies, MJ; Fuentes-Lemus, E; Hägglund, P; López-Alarcón, C | 1 |
| Huang, Y; Jin, Y; Liu, S; Liu, Z; Song, F | 1 |
| Arakawa, T; Nishinami, S; Shiraki, K | 1 |
| Tommos, C | 1 |
| Apetrei, C; Dinu, A | 1 |
| Boehr, DD; Gorman, SD; Winston, DS | 1 |
| Huang, Y; Jiang, X; Liu, Y; Ren, X; Tan, Y; Tian, B; Wang, L | 1 |
| Chi, A; Khoo, S; Ng, SC; Zhao, S | 1 |
| Fedoretz-Maxwell, BP; MacNeil, GA; Park, R; Shin, CH; Strynadka, NCJ; Walsby, CJ; Warren, JJ; Worrall, LJ | 1 |
| Di Mascio, P; Jayme, SB; Massafera, MP; Prado, FM; Ronsein, GE | 1 |
| Anesi, A; Berding, K; Caplice, N; Clarke, G; Cryan, JF; Doolan, A; Mattivi, F; Ross, RP; Stanton, C; Vrhovsek, U | 1 |
| Anderson, CD; Björklund, S; Engblom, J; Gustafsson, A; Jankovskaja, S; Lehoczki, B; Marko-Varga, G; Morin, M; Rezeli, M; Ruzgas, T | 1 |
| Amara, P; Martin, L; Mouesca, JM; Nicolet, Y; Saragaglia, C | 1 |
| Alatraktchi, FA; Madsen, JS; Malmendal, A; Nasimi, H; Osther, PJS; Schmedes, AV; Zedan, AH | 1 |
| Prieto, M | 1 |
| Chen, H; Hu, D; Lu, P; Ming, R; Yang, Y; Zhou, X | 1 |
| Kim, B; Park, C; Park, T | 1 |
| Dobrowolski, JC; Dudek, WM; Ostrowski, S | 1 |
| Chuang, CY; Davies, MJ; Gamon, LF; Hawkins, CL; Malle, E; Xu, S | 1 |
| Fei, G; Li, Q; Lin, L; Qi, B; Xu, B; Zhang, Y | 1 |
| Ano, Y; Nakayama, H; Ohya, R; Takaichi, Y; Takashima, A; Uchida, K | 1 |
| Bhagat, AK; Bruckmann, A; Luckner, P; Nazet, J; Schlee, S; Sterner, R; Straub, K | 1 |
| He, H; Lane, NE; Lei, G; Li, J; Wang, Y; Wei, J; Wu, J; Yang, T; Zeng, C; Zhang, Y | 1 |
| Cao, S; Chen, J; Jia, M; Jiang, G; Knutson, JR; Li, H; Sun, H; Xu, J; Zhang, S | 1 |
| Aala, WJ; Chen, YF; Chen, YL; Hou, PC; Hsu, CK; Lin, YC; Lu, HC; McGrath, JA; Onoufriadis, A | 1 |
| Deng, P; Jiang, H; Li, K; Long, D; Peng, J; Wang, K; Zeng, J | 1 |
| Arasimowicz-Jelonek, M; Floryszak-Wieczorek, J; Jagodzik, P; Mattoo, A; Polcyn, W; Płóciennik, A; Sobieszczuk-Nowicka, E | 1 |
| He, ZW; Jin, HY; Li, Z; Liu, W; Ren, YX; Sun, Q; Tang, CC; Wang, A; Zhou, AJ | 1 |
| Cui, F; Fu, G; Hong, Z; Li, Z; Ma, H; Zhang, T; Zheng, Y | 1 |
| Cheng, Y; Guo, Y; Jiang, W; Liu, C; Qian, H; Yang, F; Yao, W; Zhao, Y | 1 |
| Esquivel-Alvarado, D; Hu, C; Sang, S; Zhang, S; Zhao, Y | 1 |
| Gohlke, H; Jayaraman, K; Sprenger, GA; Trachtmann, N | 1 |
| Gu, Y; Ling, S; Liu, J; Qiu, H; Wang, W; Xu, J; Yu, J; Zeng, X | 1 |
| Beckmann, B; Blau, LS; Dimina, L; Finkel, A; Jantz, M; Lützow, M; Maassen, N; Mariotti, F; Röhrig, MA; Shushakov, V; Thorns, A; Tsikas, D | 1 |
| DI, LQ; Huang, X; Lu, YY; Luo, ZC; Qi, MY; Shan, JJ; Zhang, W | 1 |
| Dietz, KJ; García-Caparrós, P; Kumar, V; Persicke, M; Vogelsang, L; Wirtz, M | 1 |
| Bai, Y; Chen, Y; Cheng, B; Liu, Y; Xu, S; Yang, X | 1 |
| Balhara, AK; Balhara, S; Ghosh, M; Kumar, R; Kumar, S; Mohanty, AK; Phulia, SK; Sahu, S; Sangwan, S; Sarangi, A; Sharma, RK | 1 |
| Fischer, M; Görlich, D; Huyton, T; Jaiswal, M; Taxer, W | 1 |
| Li, S; Ni, M | 1 |
| Bittl, R; Gray, HB; Kielb, PJ; Teutloff, C; Winkler, JR | 1 |
| Cai, H; Cai, Z; Chen, T; He, J; Jiang, J; Liu, Y; Xiao, S; Xie, T | 1 |
| Fu, Y; Huang, Y; Jia, Y; Li, Y; Man, H; Qi, B; Sun, S; Yan, X | 1 |
| Ding, M; Huang, G; Nie, M; Wang, P; Wang, W; Yan, C; Zhang, H | 1 |
| Akbarian, S; Kompany-Zareh, M; Najafpour, MM | 1 |
| Britt, RD; Chakarawet, K; Dwaraknath, S; Ledray, AP; Lu, Y; Merchen, C; Rao, G; Sponholtz, MR; Van Stappen, C | 1 |
| Ding, Y; Jiang, W; Liu, Z; Luo, S; Weng, J; Xu, M; Xu, W; Yan, J; Yang, D; Yue, T; Zheng, X | 1 |
| Gray, HB; Ravanfar, R; Sheng, Y; Winkler, JR | 1 |
| Brito, F; Curcio, HFQ; da Silva Fidalgo, TK | 1 |
| Liu, Y; Marner, M; Mettal, U; Schäberle, TF; Wang, L | 1 |
| Abdel Rahman, AM; Al-Ansari, MM; Alabdaljabar, MS; Dahabiyeh, LA; Housien, M; Jacob, M; Nimer, RM; Sabi, EM; Sumaily, KM | 1 |
| Andrés Juan, C; Andrés, CMC; Pérez de la Lastra, JM; Pérez-Lebeña, E; Plou, FJ | 1 |
| An, J; Jia, X; Li, X; Liu, R; Liu, S; Mo, Y; Wei, X; Zhang, S; Zhang, Y; Zhou, L | 1 |
| Chen, Y; Kang, C; Liang, YM; Wang, FX; Yang, M | 1 |
| Aresti, M; Asensio, AC; Bunea, MC; Diculescu, VC; Enache, TA; Enculescu, M; Lasheras, M; Tellechea, E; Zubillaga, EA | 1 |
| Abdellatef, HE; Farid, NA; Sharaf, YA; Youssef, NF | 1 |
| Cheng, J; Feng, X; Gao, Y; Lei, Z; Lian, H; Liang, J; Liu, Q; Liu, Z; Nong, Y; Song, F; Su, Y; Su, Z; Xian, Y; Zhao, J; Zhao, T | 1 |
| Cao, S; Chen, J; Knutson, JR; Li, H; Xu, J; Zhang, S | 1 |
| Han, L; Sun, H; Sun, J; Wang, Y; Xu, D; Xu, Y; Zhang, B | 1 |
| Armentrout, PB; Berden, G; Martens, J; Oomens, J; Stevenson, BC | 1 |
| Briančin, J; Cholujová, D; Dutková, E; Jakubíková, J; Lukáčová Bujňáková, Z; Melnyk, I; Storozhuk, L; Tóthová, E; Varhač, R | 1 |
| Bora, JR; Mahalakshmi, R | 1 |
| Chen, F; Feng, Y; Jiang, Y; Li, S; Liu, X; Liu, Y; Zeng, Q; Zou, L | 1 |
| Bäckhed, F; Buffa, JA; Demuth, I; Fischbach, MA; Haghikia, A; Hazen, SL; König, M; Landmesser, U; Li, L; Li, XS; Nemet, I; Romano, KA; Steinhagen-Thiessen, E; Tang, WHW; Wilcox, J; Witkowski, M | 1 |
| Esser, N; Kneipp, J; Plaickner, J; Spedalieri, C; Speiser, E | 1 |
| Bruckner, T; Deisenhammer, EA; Egeter, J; Galffy, M; Giesinger, JM; Gostner, JM; Holzner, B; Hüfner, K; Lehmann, J; Nelles, P; Oberhammer, M; Rockenschaub, J; Sacher, M; Sperner-Unterweger, B; Tymoszuk, P; Vedova, S | 1 |
| Chen, J; Qin, H; Yuan, D; Zhao, Z | 1 |
| Brigaud, T; Chaume, G; Gregorc, J; Iskra, J; Lensen, N | 1 |
| Barton, B; Bellar, A; Brown, JM; Dasarathy, J; Dasarathy, S; Hazen, SL; Huang, E; McClain, CJ; Mitchell, M; Mrdjen, M; Nagy, LE; Pathak, V; Radaeva, S; Streem, D; Szabo, G; Wang, Z; Welch, N | 1 |
155 review(s) available for tryptophan and tyrosine
| Article | Year |
|---|---|
Regulation of aromatic amino acid biosynthesis in microorganisms.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Amino Acids; Anthranilate Synthase; Bacteria; Chorismate Mutase; Fungi; Herbicides; Phenylalanine; Prephenate Dehydratase; Prephenate Dehydrogenase; Tryptophan; Tyrosine | 1976 |
Regulation of enzymes that synthesize neurotransmitter monoamines.
Topics: Aminophylline; Animals; Brain; Catecholamines; Dopamine; Epinephrine; Ganglia; Hexamethonium Compounds; Hydroxyindoleacetic Acid; Methiothepin; Mixed Function Oxygenases; Monoamine Oxidase Inhibitors; Neurotransmitter Agents; Norepinephrine; Papaverine; Pargyline; Probenecid; Quinolines; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1976 |
Effects on the diet on brain neurotransmitters.
Topics: Acetyl Coenzyme A; Acetylcholine; Animals; Brain; Catecholamines; Choline; Choline Deficiency; Diet; Dietary Proteins; Fatty Acids, Nonesterified; Hydroxyindoleacetic Acid; Insulin; Neurotransmitter Agents; Pain; Phenylalanine; Protein Binding; Rats; Serotonin; Serum Albumin; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Biosynthesis of polyene macrolide antibiotics.
Topics: Acetyl-CoA Carboxylase; Acyl Coenzyme A; Amino Sugars; Antifungal Agents; Chemical Phenomena; Chemistry; Fatty Acids; Mycoses; Nucleoside Diphosphate Sugars; Phenylalanine; Streptomyces; Tryptophan; Tyrosine | 1977 |
[Amino acid disturbances in liver failure].
Topics: Amino Acids; Humans; Infusions, Parenteral; Liver Diseases; Muscles; Octopamine; Tryptophan; Tyrosine | 1977 |
Chemical strategy for studying the antigenic structures of disulfide-containing proteins: hen egg-white lysozyme as a model.
Topics: Amino Acid Sequence; Antibodies; Arginine; Cysteine; Disulfides; Epitopes; Hydrogen-Ion Concentration; Kinetics; Methanol; Methionine; Models, Molecular; Muramidase; Myoglobin; Optical Rotatory Dispersion; Peptide Fragments; Precipitin Tests; Protein Conformation; Tryptophan; Tyrosine | 1977 |
[Functional significance of gastral proteolysis].
Topics: Animals; Gastric Juice; Gastric Mucosa; Gastrins; Humans; Norepinephrine; Pepsin A; Peptide Hydrolases; Rats; Serotonin; Serum Albumin; Swine; Tryptophan; Tyrosine | 1979 |
Protein triplet states.
Topics: Electron Spin Resonance Spectroscopy; Energy Transfer; Indoles; Kinetics; Luminescent Measurements; Mathematics; Peptides; Phenylalanine; Protein Conformation; Proteins; Quantum Theory; Solvents; Temperature; Tryptophan; Tyrosine | 1975 |
Photochemistry of proteins.
Topics: Benzene Derivatives; Chemical Phenomena; Chemistry; Coloring Agents; Electron Spin Resonance Spectroscopy; Lasers; Light; Nucleic Acids; Oxidation-Reduction; Oxygen; Phenylalanine; Photochemistry; Photolysis; Proteins; Spectrum Analysis; Tryptophan; Tyrosine | 1975 |
Role of brain monoamines and histamine in regulation of anterior pituitary secretion.
Topics: Adrenal Cortex Hormones; Adrenocorticotropic Hormone; Animals; Catecholamines; Cats; Dogs; Dopamine; Dopamine Antagonists; Gonadotropins, Pituitary; Growth Hormone; Haplorhini; Histamine; Histidine; Humans; Pituitary Gland, Anterior; Prolactin; Rabbits; Rats; Serotonin; Sheep; Thyrotropin; Tryptophan; Tyrosine | 1978 |
The effect of dietary restriction on macrophage function evaluated by 125I-polyvinyl pyrrolidone clearance.
Topics: Amino Acids; Animals; Dietary Proteins; Female; Immunity; Macrophages; Male; Mice; Mononuclear Phagocyte System; Phagocytosis; Phenylalanine; Povidone; Protein Deficiency; Sex Factors; Species Specificity; Tryptophan; Tyrosine | 1977 |
On the brain ascorbic acid and its importance in metabolism of biogenic amines.
Topics: Animals; Ascorbic Acid; Biogenic Amines; Brain; Brain Chemistry; Histamine; Histidine; Humans; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 1977 |
Interactions of flavins with amino acid residues: assessments from spectral and photochemical studies.
Topics: Amino Acids; Bromosuccinimide; Chemical Phenomena; Chemistry; Flavins; Flavoproteins; Photochemistry; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Temperature; Tryptophan; Tyrosine | 1977 |
The role of insulin and glucagon in the plasma aminoacid imbalance of chronic hepatic encephalopathy.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Blood Glucose; Dogs; Glucagon; Hepatic Encephalopathy; Humans; Insulin; Isoleucine; Leucine; Tryptophan; Tyrosine; Valine | 1979 |
[Hydrogen exchange studies of proteins (author's transl)].
Topics: Amino Acid Sequence; Chemical Phenomena; Chemistry; Energy Transfer; Fluorescence; Hydrogen; Ion Exchange; Models, Chemical; Peptides; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1979 |
Monoamine precursors and analogues.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Drug Interactions; Drug Synergism; Humans; Levodopa; Mice; Parkinson Disease; Rats; Receptors, Drug; Stimulation, Chemical; Tremor; Tryptophan; Tyrosine | 1975 |
The common pathophysiology of monaminergic psychoses: a new hypothesis.
Topics: 5-Hydroxytryptophan; Amino Acids; Biological Transport, Active; Bipolar Disorder; Blood-Brain Barrier; Brain; Catecholamines; Clomipramine; Dihydroxyphenylalanine; Dopamine; Electroconvulsive Therapy; Humans; Lithium; Lysergic Acid Diethylamide; Models, Biological; Monoamine Oxidase Inhibitors; Psychotic Disorders; Schizophrenia; Serotonin; Tranquilizing Agents; Tryptophan; Tyrosine | 1975 |
Control of brain monoamine synthesis by diet and plasma amino acids.
Topics: Amino Acids; Animals; Brain; Catecholamines; Diet; Dietary Carbohydrates; Dietary Proteins; Dopamine; Hydroxyindoleacetic Acid; Monoamine Oxidase; Nerve Tissue Proteins; Neurons; Norepinephrine; Protein Deficiency; Rats; Serotonin; Tryptophan; Tyrosine | 1975 |
Nucleic acids: interaction with solar UV radiation.
Topics: Acetone; Air Pollution; Amines; Coumarins; DNA; DNA Repair; DNA, Bacterial; Ketones; Mercury; Mutation; Ozone; Purines; Pyrimidines; Radiation Effects; Radiation-Sensitizing Agents; RNA; Silver; Spectrophotometry, Ultraviolet; Sunlight; Tryptophan; Tyrosine; Ultraviolet Rays | 1975 |
Cardiovascular and endocrine properties of L-tryptophan in combination with various diets.
Topics: Adrenocorticotropic Hormone; Adult; Animals; Antihypertensive Agents; Blood Pressure; Cats; Diet; Dietary Carbohydrates; Dietary Proteins; Double-Blind Method; Growth Hormone; Humans; Hydrocortisone; Hypertension; Male; Prolactin; Secretory Rate; Serotonin; Tryptophan; Tyrosine | 1991 |
Aromatic amino acid biosynthesis in the yeast Saccharomyces cerevisiae: a model system for the regulation of a eukaryotic biosynthetic pathway.
Topics: Base Sequence; DNA, Fungal; Enzymes; Molecular Sequence Data; Phenylalanine; Saccharomyces cerevisiae; Transcription, Genetic; Tryptophan; Tyrosine | 1991 |
Tryptophan to competing amino acids ratio in depressive disorder: relation to efficacy of antidepressive treatments.
Topics: Amino Acids; Amitriptyline; Antidepressive Agents; Brain; Brain Chemistry; Clomipramine; Depressive Disorder; Drug Therapy, Combination; Humans; Hydroxyindoleacetic Acid; Imipramine; Lithium; Metabolic Clearance Rate; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 1985 |
The control of aromatic amino acid catabolism and its relationship to neurotransmitter amine synthesis.
Topics: Amino Acids; Animals; Biogenic Amines; Brain; Humans; Liver; Neurotransmitter Agents; Phenylalanine; Tryptophan; Tyrosine | 1989 |
Neurotransmitter precursor therapies in affective disorders.
Topics: Adolescent; Adult; Aged; Amines; Carboxy-Lyases; Child; Child, Preschool; Clinical Trials as Topic; Double-Blind Method; Emotions; Ethics, Medical; Female; Humans; Longitudinal Studies; Male; Middle Aged; Monoamine Oxidase Inhibitors; Mood Disorders; Neurotransmitter Agents; Norepinephrine; Protein Precursors; Serotonin; Synapses; Tryptophan; Tyrosine | 1986 |
Septic encephalopathy. Etiology and management.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Brain; Brain Diseases; Guinea Pigs; Humans; Infections; Neurotransmitter Agents; Phenylalanine; Rats; Toxins, Biological; Tryptophan; Tyrosine | 1986 |
Natural food constituents and food additives: the pharmacologic connection.
Topics: Aspartame; Brain; Food Additives; Food Analysis; Humans; Neurotransmitter Agents; Nutritional Physiological Phenomena; Tryptophan; Tyrosine | 1987 |
Regulation of aromatic amino acid catabolism.
Topics: Amino Acids; Animals; Biological Transport, Active; Liver; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1986 |
Time-resolved fluorescence of proteins.
Topics: Amino Acid Sequence; Hydrogen-Ion Concentration; Indoles; Kinetics; Motion; Proteins; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Tyrosine | 1985 |
Electrochemical detection in HPLC. Part 2. Applications.
Topics: Amines; Ascorbic Acid; Catecholamines; Chemical Phenomena; Chemistry; Chromatography, High Pressure Liquid; Electrochemistry; Enzymes; Nitrosamines; Phenols; Sulfur; Tryptophan; Tyrosine; Uric Acid | 1985 |
Aspects of amino acid and protein metabolism in cancer-bearing states.
Topics: Adenosine Triphosphate; Adult; Amino Acids; Amino Acids, Branched-Chain; Animals; Body Weight; Brain; Carcinoma 256, Walker; Clinical Trials as Topic; Humans; Leucine; Liver; Muscles; Neoplasms; Nutrition Disorders; Parenteral Nutrition, Total; Proteins; Rats; Tryptophan; Tyrosine; Valine | 1985 |
[Research into the biochemical bases of schizophrenic syndromes: a review].
Topics: Alpha-Globulins; Amphetamine; Ceruloplasmin; Energy Metabolism; Fenclonine; gamma-Globulins; Hallucinogens; Humans; Hydroxydopamines; Models, Theoretical; Porphyrins; Schizophrenia; Synaptic Transmission; Tryptophan; Tyrosine | 1973 |
[Biochemical treatment possibilities in psychoses].
Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine | 1969 |
[Morphology of the renal juxtaglomerular apparatus].
Topics: Acid Phosphatase; Adenosine Triphosphatases; Alkaline Phosphatase; Amino Acids; Animals; Cell Membrane; Cytoplasmic Granules; Endoplasmic Reticulum; Glycoproteins; Glycosaminoglycans; Golgi Apparatus; Histocytochemistry; Humans; Juxtaglomerular Apparatus; Lipoproteins; Microscopy, Electron; Mitochondria; Ribosomes; RNA; Sulfhydryl Compounds; Transferases; Tryptophan; Tyrosine | 1972 |
Long-range nonradiative transfer of electronic excitation energy in proteins and polypeptides.
Topics: Adrenocorticotropic Hormone; Catalase; Chemical Phenomena; Chemistry, Physical; Coloring Agents; Copper; Dipeptides; Energy Transfer; Fluorescence; Glyceraldehyde-3-Phosphate Dehydrogenases; Hemocyanins; Hemoglobins; Indoles; Insulin; L-Lactate Dehydrogenase; Mathematics; Monoiodotyrosine; Myoglobin; NAD; Parathyroid Hormone; Peptides; Phenols; Phenylalanine; Phosphoric Acids; Picolines; Plant Proteins; Proteins; Pyridoxal Phosphate; Thyroxine; Transferrin; Tryptophan; Tyrosine | 1971 |
Some aspects of the structure of Staphylococcal nuclease. II. Studies in solution.
Topics: Kinetics; Phosphoric Monoester Hydrolases; Protein Conformation; Solutions; Staphylococcus; Tryptophan; Tyrosine | 1972 |
Genetic regulatory systems in Neurospora.
Topics: Aminoacylation; Aminobenzoates; Enzyme Induction; Enzyme Repression; Escherichia coli; Feedback; Genes; Genetics, Microbial; Glucosidases; Histidine; Leucine; Methionine; Mutation; Neurospora; Operon; Phenylalanine; Phosphoric Monoester Hydrolases; Quinic Acid; Salmonella; Sulfur; Tryptophan; Tyrosine | 1972 |
Increased enzyme activity in vitro and metabolism of substrates in vivo.
Topics: Animals; Carbon Dioxide; Carbon Isotopes; Dietary Proteins; Hydrocortisone; Liver; Rats; Stimulation, Chemical; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1969 |
Photochemical reactions of natural macromolecules. Photoreactions of proteins.
Topics: Absorption; Amino Acids; Energy Transfer; Fluorescence; Neoplasms, Radiation-Induced; Peptides; Phenylalanine; Photochemistry; Proteins; Radiation Effects; Retinal Pigments; Skin Neoplasms; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Ultraviolet Rays | 1973 |
Neurotoxins of animal venoms: snakes.
Topics: Amino Acid Sequence; Amino Acids; Animals; Arginine; Carboxylic Acids; Chemical Phenomena; Chemistry; Disulfides; Drug Stability; Enzymes; Histidine; Lysine; Molecular Weight; Nervous System; Protein Conformation; Proteins; Receptors, Cholinergic; Snakes; Structure-Activity Relationship; Toxins, Biological; Tryptophan; Tyrosine; Venoms | 1973 |
Utilization of D- and DL- amino acids and analogs.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Chickens; Cystine; Histidine; Isomerism; Keto Acids; Leucine; Methionine; Nutritional Requirements; Phenylalanine; Proline; Rats; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1972 |
[Other trials with drug therapy in parkinsonism].
Topics: 5-Hydroxytryptophan; Amitriptyline; Animals; Dihydroxyphenylalanine; Disulfiram; Drug Evaluation; Drug Therapy, Combination; Humans; Imipramine; Methyldopa; Monoamine Oxidase Inhibitors; Parkinson Disease; Picolinic Acids; Rats; Serine; Time Factors; Tryptophan; Tyrosine | 1973 |
Chemistry and evolution of toxins in snake venoms.
Topics: Amines; Amino Acid Sequence; Amino Acids; Animals; Arginine; Binding Sites; Biological Evolution; Chemical Phenomena; Chemistry; Disulfides; Histidine; Peptides; Snakes; Structure-Activity Relationship; Tryptophan; Tyrosine; Venoms | 1974 |
[Biosynthesis of alkaloids].
Topics: Alkaloids; Indoles; Isoquinolines; Phenylalanine; Plants; Terpenes; Tryptophan; Tyrosine | 1974 |
Genetics of amino acid transport in bacteria.
Topics: Alanine; Amino Acids; Amino Acids, Diamino; Arginine; Asparagine; Aspartic Acid; Biological Transport; Cell Membrane Permeability; Cystine; Energy Metabolism; Escherichia coli; Genes, Regulator; Genetics, Microbial; Glutamates; Glutamine; Glycine; Histidine; Hydroxyproline; Isoleucine; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1974 |
Biosynthesis of glucosinolates.
Topics: Acetates; Amino Acids; Aspartic Acid; Carbon Radioisotopes; Chemical Phenomena; Chemistry; Chromatography, DEAE-Cellulose; Chromatography, Paper; Glucose; Methionine; Nitriles; Nitrogen Isotopes; Phenylalanine; Plants; Thioglycosides; Tritium; Tryptophan; Tyrosine | 1973 |
Low-temperature luminescence studies of proteins and related molecules.
Topics: Amino Acids; Cold Temperature; Hydrogen-Ion Concentration; Luminescent Measurements; Methods; Muramidase; Peptides; Proteins; Solvents; Spectrophotometry, Ultraviolet; Time Factors; Tryptophan; Tyrosine | 1974 |
Microbial production of amino acids.
Topics: Amino Acids; Bacteria; Biotin; Chemical Industry; Glutamates; Isoleucine; Lysine; Phenylalanine; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
Some aspects of amino acid biosynthesis in microorganisms.
Topics: Amino Acids; Aspartic Acid; Bacteria; Enterobacteriaceae; Escherichia coli; Glutamine; Isoleucine; Neurospora; Phenylalanine; Rhodopseudomonas; Tryptophan; Tyrosine; Valine | 1968 |
[Chemical cleavage of peptide bonds].
Topics: Amino Acids; Chemical Phenomena; Chemistry; Histidine; Methionine; Peptides; Proline; Serine; Threonine; Tryptophan; Tyrosine | 1968 |
[Chemical modification and enzymatic activities of lysozyme].
Topics: Amino Acids; Arginine; Chemical Phenomena; Chemistry; Cystine; Egg White; Histidine; Lysine; Muramidase; Tryptophan; Tyrosine; X-Ray Diffraction | 1968 |
Toxic amino acids: their action as antimetabolites.
Topics: Alkaline Phosphatase; Amino Acids; Antimetabolites; Arginine; Biological Transport, Active; Drug Resistance, Microbial; Enzyme Repression; Escherichia coli; Ethionine; Histidine; Hot Temperature; Methionine; Nucleic Acids; Phenylalanine; Plants, Medicinal; Proline; Protein Biosynthesis; Pseudomonas; Saccharomyces; Selenium; Tryptophan; Tyrosine | 1967 |
Covalent labeling of active sites.
Topics: Amino Acid Sequence; Amino Acids; Antibodies; Binding Sites; Carbon Isotopes; Chymotrypsin; Cysteine; Haptens; Histidine; Isoflurophate; Lysine; Models, Chemical; Phosphoglucomutase; Proteins; Trypsin; Tryptophan; Tyrosine | 1967 |
Dopamine and dopamine metabolites in Parkinson's disease-a review.
Topics: Brain Chemistry; Dopamine; Humans; Movement Disorders; Parkinson Disease; Phenylacetates; Tryptophan; Tyrosine | 1968 |
Control of amino acid biosynthesis in microorganisms.
Topics: Amino Acids; Aspartic Acid; Chromosome Mapping; Enzyme Repression; Escherichia coli; Genetics, Microbial; Histidine; Phenylalanine; Salmonella typhimurium; Tryptophan; Tyrosine | 1968 |
Regulation of amino acid metabolism.
Topics: Amino Acids; Aspartic Acid; Bacteria; Enzyme Repression; Enzymes; Glutamates; Histidine; Models, Biological; Molecular Biology; Phenylalanine; Pyruvates; Serine; Tryptophan; Tyrosine | 1969 |
Chemical approaches to the properties of active sites of enzymes.
Topics: Amino Acids; Animals; Arginine; Bacteria; Binding Sites; Chemical Phenomena; Chemistry; Enzymes; Fungi; Histidine; Humans; Indicators and Reagents; Lysine; Metals; Methionine; Plants; Serine; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1969 |
Structure and function of hemoglobin.
Topics: Amino Acid Sequence; Heme; Hemoglobins; Models, Chemical; Tryptophan; Tyrosine | 1969 |
[Structure and origin of fibrinoid].
Topics: Collagen Diseases; Cysteine; Extracellular Space; Fibrin; Humans; Rheumatoid Nodule; Shwartzman Phenomenon; Tryptophan; Tyrosine | 1969 |
The chemistry of lysozyme.
Topics: Amino Acid Sequence; Binding Sites; Catalysis; Cell Wall; Chemical Phenomena; Chemistry; Chitin; Crystallography; Histidine; Lysine; Magnetic Resonance Spectroscopy; Models, Chemical; Muramidase; Ovalbumin; Polysaccharides; Tryptophan; Tyrosine; X-Ray Diffraction | 1969 |
Photochemical reactions in amino acid residues and inactivation of enzymes during U.V.-irradiation. A review.
Topics: Amino Acids; Cystine; Enzymes; Light; Luminescence; Oxidation-Reduction; Phenylalanine; Proteins; Spectrophotometry; Sulfur; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Effects of ingestion of disproportionate amounts of amino acids.
Topics: Adaptation, Physiological; Age Factors; Amino Acids; Ammonia; Animals; Cystine; Deficiency Diseases; Feeding Behavior; Glycine; Growth Disorders; Histidine; Homeostasis; Humans; Leucine; Liver; Lysine; Methionine; Nicotinic Acids; Nutrition Disorders; Phenylalanine; Rats; Threonine; Tryptophan; Tyrosine | 1970 |
Recent developments in chemical modification and sequential degradation of proteins.
Topics: Amines; Arginine; Chemical Phenomena; Chemistry; Cysteine; Histidine; Methionine; Proteins; Sulfhydryl Compounds; Sulfides; Tryptophan; Tyrosine | 1970 |
Growing points in cell pathology. Histochemical aspects.
Topics: Acid Phosphatase; Animals; Cholesterol; Cysteine; Enzymes; Esterases; Histocytochemistry; Humans; Indicators and Reagents; Lipids; Methods; Oxidoreductases; Phospholipids; Proteins; Triglycerides; Tryptophan; Tyrosine | 1970 |
Specific chemical modification of proteins.
Topics: Arginine; Chemical Phenomena; Chemistry; Histidine; Lysine; Methionine; Nitrobenzenes; Oxidation-Reduction; Proteins; Sulfhydryl Compounds; Sulfides; Tryptophan; Tyrosine | 1970 |
[Relation between protein metabolism and physical strain].
Topics: Adolescent; Ammonia; Animals; Blood Urea Nitrogen; Feeding Behavior; Female; Gluconeogenesis; Glycoproteins; Humans; Liver; Male; Muscles; Physical Exertion; Protein Biosynthesis; Proteins; Rats; Recreation; Sports Medicine; Stress, Physiological; Time Factors; Tryptophan; Tyrosine; Uric Acid | 1971 |
Metabolic modification of Parkinson's disease and of chronic manganese poisoning.
Topics: Animals; Brain; Choline; Chronic Disease; Dihydroxyphenylalanine; Drug Synergism; Humans; Manganese Poisoning; Melatonin; Methionine; Monoamine Oxidase Inhibitors; Parkinson Disease; Phenylalanine; Poisoning; Pyridoxine; Tryptophan; Tyrosine | 1971 |
Carboxypeptidase A: a protein and an enzyme.
Topics: Amino Acid Sequence; Animals; Binding Sites; Carboxypeptidases; Catalysis; Cattle; Chemical Phenomena; Chemistry; Chemistry, Physical; Disulfides; Kinetics; Metals; Models, Structural; Peptides; Protein Binding; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine; X-Ray Diffraction; Zinc | 1971 |
The structure of papain.
Topics: Acylation; Amino Acid Sequence; Binding Sites; Catalysis; Crystallization; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Mercury; Models, Structural; Papain; Protein Binding; Protein Conformation; Tryptophan; Tyrosine; X-Ray Diffraction | 1971 |
Calcitonin.
Topics: Amino Acid Sequence; Animals; Calcitonin; Calcium; Calcium, Dietary; Chemical Phenomena; Chemistry; Gastrointestinal Hormones; Humans; Hypercalcemia; Methionine; Osteitis Deformans; Rabbits; Radioimmunoassay; Salmonidae; Secretory Rate; Structure-Activity Relationship; Swine; Tryptophan; Tyrosine | 1971 |
Biochemical factors in mental retardation.
Topics: 5-Hydroxytryptophan; Animals; Brain Chemistry; Diet Therapy; Female; Guinea Pigs; Haplorhini; Humans; Infant; Intellectual Disability; Intelligence Tests; Male; Metabolism, Inborn Errors; Monoamine Oxidase; Phenylalanine; Phenylketonurias; Rats; Serotonin; Tryptophan; Tyrosine | 1967 |
The biosynthesis of aromatic amino acids and its regulation.
Topics: Amino Acids; Aminobenzoates; Enterobacter; Escherichia coli; Folic Acid; Neurospora; Nicotinic Acids; Phenylalanine; Salmonella typhimurium; Tryptophan; Tyrosine; Vitamin K; Yeasts | 1968 |
Immunochemistry and immunology of collagen and gelatin.
Topics: Amino Acid Sequence; Animals; Antibody Formation; Antigens; Arthritis; Cats; Cattle; Chickens; Collagen; Crustacea; Freund's Adjuvant; Gelatin; Glycine; Guinea Pigs; Haplorhini; Horses; Hot Temperature; Humans; Hydroxyproline; Immunization; Immunochemistry; Proline; Protein Denaturation; Rabbits; Rats; Sharks; Sheep; Species Specificity; Swine; Tryptophan; Tyrosine | 1969 |
[Biochemical basis of parenteral feeding with amino acids].
Topics: Amino Acids; Homeostasis; Liver; Methionine; Muscles; Nutritional Physiological Phenomena; Parenteral Nutrition; Phenylalanine; Tryptophan; Tyrosine | 1971 |
Metabolite analogs as genetic and biochemical probes.
Topics: Amino Acids; Bacillus subtilis; Drug Resistance, Microbial; Escherichia coli; Genes; Genes, Regulator; Genetics, Microbial; Histidine; Isoleucine; Leucine; Models, Biological; Molecular Biology; Mutation; Operon; Phenylalanine; Salmonella typhimurium; Tryptophan; Tyrosine; Valine | 1971 |
Diet, neurotransmitters and brain function.
Topics: Behavior; Brain; Choline; Diet; Energy Metabolism; Histidine; Humans; Minerals; Neurotransmitter Agents; Threonine; Tryptophan; Tyrosine; Vitamins | 1981 |
[The role of nutrition in the synthesis of neurotransmitters and in cerebral functions: clinical implications].
Topics: Alzheimer Disease; Amino Acids; Choline; Choline O-Acetyltransferase; Diabetes Mellitus; Dopa Decarboxylase; Humans; Intellectual Disability; Memory; Myasthenia Gravis; Neurotransmitter Agents; Nutritional Physiological Phenomena; Serotonin; Tryptophan; Tyrosine | 1981 |
Neurotransmitter precursors for the treatment of depression.
Topics: 5-Hydroxytryptophan; Animals; Antidepressive Agents; Biogenic Amines; Catecholamines; Depressive Disorder; Dihydroxyphenylalanine; Humans; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1982 |
Role of precursor availability in control of monoamine biosynthesis in brain.
Topics: Animals; Appetite; Blood Pressure; Brain; Brain Chemistry; Catecholamines; Diabetes Mellitus; Diet; Growth Hormone; Humans; Liver Cirrhosis; Methyldopa; Pain; Phenylketonurias; Protein Binding; Rats; Serotonin; Serum Albumin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1983 |
Food consumption, neurotransmitter synthesis, and human behaviour.
Topics: Acetylcholine; Amino Acids; Animals; Behavior; Brain; Catecholamines; Choline; Diet; Dietary Carbohydrates; Dietary Proteins; Feeding Behavior; Humans; Models, Biological; Neurons; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1983 |
Undernutrition and the development of brain neurotransmitter systems.
Topics: Acetylcholine; Acetylcholinesterase; Animals; Animals, Suckling; Brain; Choline O-Acetyltransferase; Dopamine; Food Deprivation; gamma-Aminobutyric Acid; Glutamate Decarboxylase; Neurotransmitter Agents; Norepinephrine; Nutrition Disorders; Rats; Receptors, Adrenergic; Receptors, Cholinergic; Receptors, Dopamine; Receptors, GABA-A; Serotonin; Tissue Distribution; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase; Weaning | 1984 |
Effects of foods and nutrients on brain neurotransmitters.
Topics: Amino Acids; Animals; Biological Transport, Active; Brain; Choline; Dopamine; Humans; Kinetics; Neurons; Neurotransmitter Agents; Norepinephrine; Nutritional Physiological Phenomena; Parkinson Disease; Prolactin; Serotonin; Tryptophan; Tyrosine | 1984 |
Neurochemical applications of liquid chromatography with electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Catechol O-Methyltransferase; Catecholamines; Chromatography, Liquid; Dopamine beta-Hydroxylase; Electrochemistry; Homovanillic Acid; Hydroxyindoleacetic Acid; Metanephrine; Methoxyhydroxyphenylglycol; Serotonin; Tryptophan; Tyrosine | 1981 |
Adverse effects of excessive consumption of amino acids.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Animals; Brain; Cattle; Diet; Disease Models, Animal; Ethionine; Fenclonine; Glycine; Growth Disorders; Histidine; Humans; Methionine; Nerve Tissue Proteins; Phenylalanine; Phenylalanine Hydroxylase; Phenylketonurias; Pneumonia, Atypical Interstitial, of Cattle; Serine; Stereoisomerism; Sulfhydryl Compounds; Tissue Distribution; Tryptophan; Tyrosine; Vitamin A | 1984 |
Nutrition, brain function and behavior.
Topics: Adolescent; Adult; Animals; Appetite; Appetite Depressants; Avitaminosis; Behavior; Blood-Brain Barrier; Brain; Brain Diseases; Child; Child, Preschool; Choline; Diet; Energy Intake; Food Additives; Humans; Hyperkinesis; Infant; Synaptic Transmission; Tranquilizing Agents; Tryptophan; Tyrosine | 1981 |
Photochemistry of proteins: a review.
Topics: Animals; Crystallins; Free Radicals; In Vitro Techniques; Infrared Rays; Kynurenine; Lens, Crystalline; Light; Photochemistry; Tryptophan; Tyrosine; Ultraviolet Rays | 1984 |
Nutrition and the neurosurgical patient.
Topics: Acetylcholine; Brain; Brain Injuries; Brain Neoplasms; Catecholamines; Choline; Endocrine Glands; Energy Metabolism; Humans; Nitrogen; Nutritional Physiological Phenomena; Serotonin; Tryptophan; Tyrosine | 1984 |
Tryptophan and tyrosine availability: relation to clinical response to antidepressive pharmacotherapy.
Topics: Amitriptyline; Antidepressive Agents; Clomipramine; Depressive Disorder; Humans; Imipramine; Lithium; Prognosis; Tryptophan; Tyrosine | 1984 |
Tyrosine for the treatment of depression.
Topics: 5-Hydroxytryptophan; Adult; Animals; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Double-Blind Method; Female; Humans; Methoxyhydroxyphenylglycol; Tryptophan; Tyrosine | 1984 |
[Structure and function of luliberin (author's transl)].
Topics: Chemical Phenomena; Chemistry; Follicle Stimulating Hormone; Glycine; Gonadotropin-Releasing Hormone; Histidine; Humans; Leucine; Luteinizing Hormone; Molecular Conformation; Pyrrolidonecarboxylic Acid; Serine; Tryptophan; Tyrosine | 1980 |
Amino acid degradation by anaerobic bacteria.
Topics: Amino Acids; Anaerobiosis; Aspartic Acid; Clostridium; Culture Media; Glutamates; Glycine; Isoleucine; Leucine; Lysine; Ornithine; Phenylalanine; Proline; Species Specificity; Threonine; Tryptophan; Tyrosine; Valine | 1981 |
In vivo chemical modification of proteins (post-translational modification).
Topics: Amino Acids; Animals; Arginine; Asparagine; Aspartic Acid; Glutamates; Glutamine; Histidine; Hydroxylysine; Lysine; Phenylalanine; Proline; Protein Biosynthesis; RNA, Transfer, Amino Acyl; Serine; Threonine; Tryptophan; Tyrosine | 1981 |
Structure-function relationships in pyruvate decarboxylase of yeast and wheat germ.
Topics: Acetylation; Amino Acids; Apoenzymes; Arginine; Carboxy-Lyases; Chemical Phenomena; Chemistry; Circular Dichroism; Lysine; Macromolecular Substances; Plants; Protein Conformation; Protein Denaturation; Pyruvate Decarboxylase; Saccharomyces cerevisiae; Serine; Structure-Activity Relationship; Sulfhydryl Compounds; Thiamine Pyrophosphate; Triticum; Tryptophan; Tyrosine | 1982 |
Applications of liquid chromatographic-fluorometric systems in neurochemistry.
Topics: 5-Hydroxytryptophan; Animals; Body Fluids; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Dopamine; Epinephrine; Homovanillic Acid; Humans; Indoleacetic Acids; Indoles; Norepinephrine; Serotonin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1981 |
Stereospecific transport carrier systems for L-tyrosine and L-tryptophan in relation to monoamine synthesis.
Topics: Animals; Biogenic Amines; Biological Transport; Catecholamines; Cations; Neurons; Potassium; Sodium; Stereoisomerism; Synaptosomes; Tryptophan; Tyrosine | 1981 |
Bacterial metabolism and human carcinogenesis.
Topics: Bacteria; Bile Acids and Salts; Biliary Tract Neoplasms; Cholesterol; Female; Gastrointestinal Neoplasms; Humans; Neoplasms; Nitrosamines; Nitroso Compounds; Pancreatic Neoplasms; Phenols; Schistosomiasis; Tryptophan; Tyrosine; Urinary Bladder Neoplasms; Uterine Cervical Neoplasms | 1980 |
Fluorescence quenching studies with proteins.
Topics: Acetamides; Acrylamide; Acrylamides; Alcohol Oxidoreductases; Azurin; Chemical Phenomena; Chemistry, Physical; Ethylene Chlorohydrin; Fluorescence; Hydrogen Peroxide; Indoles; Kinetics; Liver; Luminescent Measurements; Mathematics; Plant Proteins; Proteins; Pyridinium Compounds; Sodium Iodide; Succinimides; Tryptophan; Tyrosine | 1981 |
Amino acid control of neurotransmitter synthesis and release: physiological and clinical implications.
Topics: Brain; Carbohydrates; Feeding Behavior; Female; Fenfluramine; Humans; Male; Neural Conduction; Neurotransmitter Agents; Prolactin; Serotonin; Tryptophan; Tyrosine | 1993 |
Protein-radical enzymes.
Topics: Dihydroxyphenylalanine; Enzymes; Free Radicals; Glycine; Molecular Structure; PQQ Cofactor; Quinolones; Tryptophan; Tyrosine | 1993 |
Monoamine neurotransmitters in invertebrates and vertebrates: an examination of the diverse enzymatic pathways utilized to synthesize and inactivate biogenic amines.
Topics: Animals; Biogenic Amines; Dopamine; Enzyme Activation; Neurotransmitter Agents; Tryptophan; Tyrosine | 1995 |
Cation-pi interactions in chemistry and biology: a new view of benzene, Phe, Tyr, and Trp.
Topics: Acetylcholine; Benzene; Binding Sites; Cations; Chemical Phenomena; Chemistry, Physical; Ion Channels; Phenylalanine; Proteins; Receptors, Cholinergic; Steroids; Tryptophan; Tyrosine; Water | 1996 |
Biocatalytic syntheses of aromatics from D-glucose: renewable microbial sources of aromatic compounds.
Topics: Amino Acids; Biotransformation; Chemistry, Organic; Glucose; Phenylalanine; Tryptophan; Tyrosine | 1995 |
A comparison of the transmembrane domains of Golgi and plasma membrane proteins.
Topics: Amino Acids; Cell Membrane; Golgi Apparatus; Membrane Proteins; Molecular Structure; Phenylalanine; Tryptophan; Tyrosine | 1995 |
Vitiligo, psoralen, and melanogenesis: some observations and understanding.
Topics: Animals; Dihydroxyphenylalanine; Disease Models, Animal; Furocoumarins; Humans; Indoles; Lead; Melanins; Skin; Superoxide Dismutase; Tryptophan; Tyrosine; Tyrosine Transaminase; Ultraviolet Rays; Vitiligo | 1996 |
The various strategies within the TyrR regulation of Escherichia coli to modulate gene expression.
Topics: Amino Acid Sequence; Amino Acid Transport Systems; Bacterial Proteins; Base Sequence; Carrier Proteins; DNA-Directed RNA Polymerases; Escherichia coli; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Molecular Sequence Data; Phenylalanine; Promoter Regions, Genetic; Regulon; Repressor Proteins; Transcription Factors; Transcription, Genetic; Tryptophan; Tyrosine | 1996 |
Intramolecular electron transfer between tryptophan radical and tyrosine in oligoproline-bridged model peptides and hen egg-white lysozyme.
Topics: Animals; Chickens; Electron Transport; Female; Free Radicals; In Vitro Techniques; Models, Molecular; Muramidase; Peptides; Proline; Protein Conformation; Thermodynamics; Tryptophan; Tyrosine | 1997 |
Molecular mechanisms of cellular injury produced by neurotoxic amino acids that generate reactive oxygen species.
Topics: Reactive Oxygen Species; Tryptophan; Tyrosine | 1998 |
Use of neurotransmitter precursors for treatment of depression.
Topics: 5-Hydroxytryptophan; Depression; Humans; Phenylalanine; Tryptophan; Tyrosine | 2000 |
Electrochemical modification of proteins. A review.
Topics: Animals; Electrochemistry; Methionine; Muramidase; Proteins; Tryptophan; Tyrosine | 2000 |
Can nutrient supplements modify brain function?
Topics: Aging; Animals; Brain; Diet; Dietary Supplements; Fatty Acids, Unsaturated; Folic Acid; Hematinics; Humans; Nutritional Physiological Phenomena; Tryptophan; Tyrosine | 2000 |
How proteins adapt to a membrane-water interface.
Topics: Amino Acids; Animals; Cell Membrane; Glycosylation; Lipid Bilayers; Models, Molecular; Peptides; Protein Structure, Secondary; Tryptophan; Tyrosine; Water | 2000 |
Metabolism of tyrosine and tryptophan--new genes for old pathways.
Topics: Cytochrome P-450 Enzyme System; Glucosides; Glucosinolates; Hydroxylation; Indoleacetic Acids; Mixed Function Oxygenases; Nitriles; Oximes; Plant Growth Regulators; Plant Proteins; Tryptophan; Tyrosine | 2001 |
The biosynthesis of shikimate metabolites.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; 3-Phosphoshikimate 1-Carboxyvinyltransferase; Alkyl and Aryl Transferases; Animals; Anthranilate Synthase; Bacteria; Betalains; Catalysis; Chorismate Mutase; Coumarins; Flavonoids; Hydro-Lyases; Indoleacetic Acids; Indoles; Intramolecular Transferases; Lignans; Molecular Structure; Penicillium; Phenylalanine; Phenylpropionates; Phosphorus-Oxygen Lyases; Prephenate Dehydratase; Prephenate Dehydrogenase; Pristinamycin; Pyrrolnitrin; Quaternary Ammonium Compounds; Quinones; Shikimic Acid; Staurosporine; Tannins; Thiazoles; Thyroxine; Tryptophan; Tyrosine; Ubiquinone | 2001 |
Monoamines and protein intake: are control mechanisms designed to monitor a threshold intake or a set point?
Topics: Animals; Appetite Regulation; Biogenic Monoamines; Brain; Catecholamines; Circadian Rhythm; Dietary Proteins; Energy Metabolism; Humans; Neurons; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 2001 |
Nutrients affecting brain composition and behavior.
Topics: Acetylcholine; Amino Acids; Animals; Behavior; Biological Transport; Brain Chemistry; Catecholamines; Choline; Dietary Carbohydrates; Dietary Proteins; Food; Humans; Neurotransmitter Agents; Rats; Serotonin; Tryptophan; Tyrosine | 1987 |
Foods and food constituents that affect the brain and human behavior.
Topics: Affect; Animals; Behavior; Brain; Caffeine; Dietary Carbohydrates; Dietary Proteins; Food; Humans; Male; Neurotransmitter Agents; Task Performance and Analysis; Tryptophan; Tyrosine | 1986 |
Hypothalamic digoxin, cerebral chemical dominance, and regulation of gastrointestinal/hepatic function.
Topics: Digoxin; Dominance, Cerebral; Erythrocyte Membrane; Gastrointestinal Diseases; Humans; Hypothalamus; Liver Cirrhosis; Neurotransmitter Agents; Ouabain; Polyisoprenyl Phosphate Sugars; Proteins; Tryptophan; Tyrosine | 2003 |
Nutrition, brain function and cognitive performance.
Topics: Adult; Brain; Caffeine; Cognition; Dietary Carbohydrates; Dietary Proteins; Humans; Melatonin; Nutritional Physiological Phenomena; Tryptophan; Tyrosine | 2003 |
AMINO ACID METABOLISM.
Topics: Amino Acid Oxidoreductases; Amino Acids; Carboxy-Lyases; Glutamates; Glycine; Hydroxyproline; Lysine; Peroxidases; Phenylalanine; Proline; Proteins; Pyridoxal Phosphate; Research; Serine; Threonine; Transaminases; Tryptophan; Tyrosine; Urea | 1963 |
UV optical absorption by protein radicals in cytochrome c oxidase.
Topics: Animals; Carbon Monoxide; Cattle; Copper; Electron Transport Complex IV; Free Radicals; Heme; Hydrogen-Ion Concentration; In Vitro Techniques; Myocardium; Oxygen; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2004 |
Tryptophan or tyrosine? On the nature of the amino acid radical formed following hydrogen peroxide treatment of cytochrome c oxidase.
Topics: Animals; Cattle; Electron Spin Resonance Spectroscopy; Electron Transport Complex IV; Free Radicals; Hydrogen Peroxide; In Vitro Techniques; Models, Molecular; Myocardium; Paracoccus denitrificans; Protein Conformation; Tryptophan; Tyrosine | 2004 |
Photo-CIDNP NMR methods for studying protein folding.
Topics: Histidine; Magnetic Resonance Spectroscopy; Protein Folding; Solutions; Tryptophan; Tyrosine | 2004 |
Peptidomics, current status.
Topics: Arginine; Chromatography, Affinity; Combinatorial Chemistry Techniques; Cysteine; Histidine; Humans; Lysine; Methionine; Peptides; Phosphotyrosine; Proteomics; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan; Tyrosine; Vascular Cell Adhesion Molecule-1 | 2005 |
Exploring amino-acid radical chemistry: protein engineering and de novo design.
Topics: Amino Acids; Azurin; Enzymes; Free Radicals; Models, Chemical; Oxidation-Reduction; Photosynthetic Reaction Center Complex Proteins; Protein Conformation; Protein Engineering; Protein Subunits; Thermodynamics; Tryptophan; Tyrosine | 2005 |
Is arginine a protein-denaturant?
Topics: Amino Acids, Aromatic; Arginine; Guanidine; Protein Denaturation; Protein Structure, Tertiary; Surface Properties; Tryptophan; Tyrosine | 2005 |
Towards bacterial strains overproducing L-tryptophan and other aromatics by metabolic engineering.
Topics: Amino Acids, Aromatic; Corynebacterium glutamicum; Escherichia coli; Genetic Engineering; Phenylalanine; Tryptophan; Tyrosine | 2006 |
Mimicking the electron donor side of Photosystem II in artificial photosynthesis.
Topics: Biomimetics; Electrons; Photosynthesis; Photosystem II Protein Complex; Tryptophan; Tyrosine | 2006 |
Protect from light: photodegradation and protein biologics.
Topics: Biological Products; Cystine; Drug Stability; Excipients; Phenylalanine; Photolysis; Proteins; Tryptophan; Tyrosine | 2007 |
Aromatic amino acid metabolism during liver failure.
Topics: Amino Acids, Aromatic; Ammonia; Biological Transport; Humans; Liver Failure; Phenylalanine; Reference Values; Tryptophan; Tyrosine | 2007 |
Detection and characterization of peroxynitrite-induced modifications of tyrosine, tryptophan, and methionine residues by tandem mass spectrometry.
Topics: Animals; Humans; Methionine; Oligopeptides; Peroxynitrous Acid; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2008 |
Mechanisms of protein circular dichroism: insights from computational modeling.
Topics: beta-Lactamases; Circular Dichroism; Computer Simulation; Crystallography, X-Ray; Disulfides; Protein Conformation; Protein Folding; Proteins; Tryptophan; Tyrosine | 2010 |
Mood effects of the amino acids tryptophan and tyrosine: 'Food for Thought' III.
Topics: Antidepressive Agents; Biological Availability; Catecholamines; Clinical Trials as Topic; Depression; Humans; Mood Disorders; Neurotransmitter Agents; Nutritional Requirements; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 2011 |
Chemical and pharmacological significance of natural guanidines from marine invertebrates.
Topics: Animals; Aquatic Organisms; Guanidines; Invertebrates; Peptides; Pyrimidines; Pyrroles; Tryptophan; Tyrosine | 2011 |
Activity of selected aromatic amino acids in biological systems.
Topics: Biomarkers; Cardiovascular Diseases; Enzyme Activation; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Levodopa; Melanins; Monophenol Monooxygenase; Nervous System Diseases; Oxidative Stress; Renal Insufficiency, Chronic; Serotonin; Tryptophan; Tyrosine | 2011 |
The shikimate pathway and aromatic amino Acid biosynthesis in plants.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Alkyl and Aryl Transferases; Amino Acids, Aromatic; Anthranilate Synthase; Biological Transport; Humans; Hydro-Lyases; Phenylalanine; Phosphorus-Oxygen Lyases; Phosphotransferases (Alcohol Group Acceptor); Plants; Shikimic Acid; Transcription, Genetic; Tryptophan; Tyrosine | 2012 |
Novel nutritional treatment for manic and psychotic disorders: a review of tryptophan and tyrosine depletion studies and the potential of protein-based formulations using glycomacropeptide.
Topics: Bipolar Disorder; Brain; Caseins; Humans; Neuropsychological Tests; Nutritional Requirements; Peptide Fragments; Psychotic Disorders; Tryptophan; Tyrosine | 2013 |
Catalase in peroxidase clothing: Interdependent cooperation of two cofactors in the catalytic versatility of KatG.
Topics: Antitubercular Agents; Archaea; Bacteria; Bacterial Proteins; Catalase; Coenzymes; Heme; Isoniazid; Methionine; Models, Molecular; Mycobacterium tuberculosis; Peroxidase; Prodrugs; Tryptophan; Tyrosine | 2014 |
Tyrosine, phenylalanine, and tryptophan in gastroesophageal malignancy: a systematic review.
Topics: Esophageal Neoplasms; Humans; Phenylalanine; Stomach Neoplasms; Tryptophan; Tyrosine | 2015 |
An insight into purine, tyrosine and tryptophan derived marine antineoplastic alkaloids.
Topics: Alkaloids; Angiogenesis Inhibitors; Animals; Antineoplastic Agents; Aquatic Organisms; Humans; Neoplasms; Purines; Tryptophan; Tyrosine | 2015 |
Properties of the indole ring in metal complexes. A comparison with the phenol ring.
Topics: Binding Sites; Coordination Complexes; Indoles; Metalloproteins; Metals; Models, Chemical; Molecular Structure; Phenol; Tryptophan; Tyrosine | 2015 |
Biochemistry of primary headaches: role of tyrosine and tryptophan metabolism.
Topics: Biochemistry; Central Nervous System; Headache Disorders, Primary; Humans; Tryptophan; Tyrosine | 2015 |
Electron flow through biological molecules: does hole hopping protect proteins from oxidative damage?
Topics: Azurin; Bacillus megaterium; Bacterial Proteins; Catalytic Domain; Copper; Cytochrome P-450 Enzyme System; Electron Transport; Electrons; Escherichia coli; Iron; Molecular Conformation; NADPH-Ferrihemoprotein Reductase; Oxidation-Reduction; Oxidative Stress; Oxygen; Oxygenases; Surface Properties; Tryptophan; Tyrosine | 2015 |
Microbial metabolism of dietary components to bioactive metabolites: opportunities for new therapeutic interventions.
Topics: Animals; Diet; Disease Susceptibility; Energy Metabolism; Fatty Acids, Volatile; Gastrointestinal Microbiome; Gastrointestinal Tract; Homeostasis; Humans; Indoles; Metabolome; Metabolomics; Methylamines; Microbiota; Translational Research, Biomedical; Tryptophan; Tyrosine | 2016 |
Biotechnological production of aromatic compounds of the extended shikimate pathway from renewable biomass.
Topics: Amino Acids, Aromatic; Benzaldehydes; Biomass; Biotechnology; Corynebacterium glutamicum; Escherichia coli; Lignin; Metabolic Engineering; Metabolic Networks and Pathways; Organic Chemicals; Parabens; Phenylalanine; Pseudomonas putida; Saccharomyces cerevisiae; Shikimic Acid; Tryptophan; Tyrosine | 2017 |
Nutrients Turned into Toxins: Microbiota Modulation of Nutrient Properties in Chronic Kidney Disease.
Topics: Cardiovascular Diseases; Carnitine; Choline; Diet; Gastrointestinal Microbiome; Humans; Methylamines; Micronutrients; Oxalates; Phosphates; Phosphatidylcholines; Renal Insufficiency, Chronic; Tryptophan; Tyrosine | 2017 |
Metabolic engineering of microorganisms for production of aromatic compounds.
Topics: Amino Acids, Aromatic; Bacteria; Biomass; Industrial Microbiology; Metabolic Engineering; Organic Chemicals; Phenylalanine; Shikimic Acid; Tryptophan; Tyrosine | 2019 |
Protein Chemical Labeling Using Biomimetic Radical Chemistry.
Topics: Biomimetic Materials; Catalysis; Free Radicals; Molecular Probes; Proteins; Staining and Labeling; Tryptophan; Tyrosine | 2019 |
Photo-Degradation of Therapeutic Proteins: Mechanistic Aspects.
Topics: Amino Acids; Histidine; Humans; Light; Molecular Structure; Oxidation-Reduction; Photolysis; Protein Stability; Proteins; Proteolysis; Tryptophan; Tyrosine; Ultraviolet Rays | 2020 |
Natural Products Originated from the Oxidative Coupling of Tyrosine and Tryptophan: Biosynthesis and Bioinspired Synthesis.
Topics: Animals; Biological Products; Oxidative Coupling; Tryptophan; Tyrosine | 2021 |
Site-Selective, Chemical Modification of Protein at Aromatic Side Chain and Their Emergent Applications.
Topics: Alkylation; Antibodies; Catalysis; Glycoconjugates; Histidine; Humans; Immunoconjugates; Luminescent Measurements; Models, Molecular; Oxidation-Reduction; Photochemical Processes; Polysaccharides; Protein Engineering; Protein Structure, Secondary; Proteins; Stereoisomerism; Tryptophan; Tyrosine | 2021 |
Electrochemical Amino Acid Sensing: A Review on Challenges and Achievements.
Topics: Amino Acids; Biosensing Techniques; Electrochemical Techniques; Electrochemistry; Humans; Tryptophan; Tyrosine | 2021 |
Oxidative Crosslinking of Peptides and Proteins: Mechanisms of Formation, Detection, Characterization and Quantification.
Topics: Animals; Cross-Linking Reagents; Disulfides; Enzymes; Humans; Oxidants; Oxidation-Reduction; Oxidative Stress; Peptides; Protein Aggregates; Proteins; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2021 |
Insights into the Thermodynamics and Kinetics of Amino-Acid Radicals in Proteins.
Topics: Amino Acids; Free Radicals; Kinetics; Proteins; Thermodynamics; Tryptophan; Tyrosine | 2022 |
A Review of Sensors and Biosensors Modified with Conducting Polymers and Molecularly Imprinted Polymers Used in Electrochemical Detection of Amino Acids: Phenylalanine, Tyrosine, and Tryptophan.
Topics: Amino Acids; Biosensing Techniques; Electrochemical Techniques; Molecular Imprinting; Molecularly Imprinted Polymers; Phenylalanine; Polymers; Tryptophan; Tyrosine | 2022 |
Periodontal disease metabolomics signatures from different biofluids: a systematic review.
Topics: Alanine; Butyrates; Formates; gamma-Aminobutyric Acid; Humans; Lactates; Metabolomics; Mouthwashes; Periodontal Diseases; Periodontitis; Phenylalanine; Propionates; Tryptophan; Tyrosine; Valine | 2022 |
Impact of Reactive Species on Amino Acids-Biological Relevance in Proteins and Induced Pathologies.
Topics: Amino Acids; Cysteine; Methionine; Proteins; Tryptophan; Tyrosine | 2022 |
62 trial(s) available for tryptophan and tyrosine
| Article | Year |
|---|---|
Effects of adrenaline injection on human plasma tryptophan and non-esterified fatty acids.
Topics: Epinephrine; Fatty Acids, Nonesterified; Humans; Male; Time Factors; Tryptophan; Tyrosine | 1977 |
Cardiovascular and endocrine properties of L-tryptophan in combination with various diets.
Topics: Adrenocorticotropic Hormone; Adult; Animals; Antihypertensive Agents; Blood Pressure; Cats; Diet; Dietary Carbohydrates; Dietary Proteins; Double-Blind Method; Growth Hormone; Humans; Hydrocortisone; Hypertension; Male; Prolactin; Secretory Rate; Serotonin; Tryptophan; Tyrosine | 1991 |
Biochemical and clinical effects of tyrosine and tryptophan in the Rett syndrome.
Topics: Adolescent; Child; Dopamine; Double-Blind Method; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Rett Syndrome; Tryptophan; Tyrosine | 1990 |
A double-blind amino acids, L-tryptophan and L-tyrosine, and placebo study with cocaine-dependent subjects in an inpatient chemical dependency treatment center.
Topics: Adolescent; Adult; Cocaine; Double-Blind Method; Drug Administration Schedule; Female; Humans; Male; Middle Aged; MMPI; Substance Withdrawal Syndrome; Substance-Related Disorders; Tryptophan; Tyrosine | 1990 |
Monoamine metabolites and amino acids in serum from schizophrenic patients before and during sulpiride treatment.
Topics: Adolescent; Adult; Amino Acids; Biogenic Monoamines; Female; Glutamates; Glutamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Meglutol; Schizophrenia; Sulpiride; Tryptophan; Tyrosine | 1989 |
Neurotransmitter precursor therapies in affective disorders.
Topics: Adolescent; Adult; Aged; Amines; Carboxy-Lyases; Child; Child, Preschool; Clinical Trials as Topic; Double-Blind Method; Emotions; Ethics, Medical; Female; Humans; Longitudinal Studies; Male; Middle Aged; Monoamine Oxidase Inhibitors; Mood Disorders; Neurotransmitter Agents; Norepinephrine; Protein Precursors; Serotonin; Synapses; Tryptophan; Tyrosine | 1986 |
Modulation of the actions of tyrosine by alpha 2-adrenoceptor blockade.
Topics: Adrenergic alpha-Antagonists; Adrenocorticotropic Hormone; Adult; Behavior; Dioxanes; Dose-Response Relationship, Drug; Drug Interactions; Female; Hemodynamics; Humans; Hydrocortisone; Idazoxan; Male; Prolactin; Tryptophan; Tyrosine | 1988 |
Plasma tryptophan and tyrosine ratios to competing amino acids in relation to antidepressant response to citalopram and maprotiline. A preliminary study.
Topics: Adult; Aged; Amino Acids; Anthracenes; Antidepressive Agents; Citalopram; Depressive Disorder; Female; Humans; Maprotiline; Middle Aged; Propylamines; Prospective Studies; Psychiatric Status Rating Scales; Tryptophan; Tyrosine | 1986 |
Short-term changes in energy intake and serum insulin, neutral amino acids, and urinary catecholamine excretion in women.
Topics: Adult; Amino Acids; Blood Glucose; Dopamine; Energy Intake; Fasting; Female; Humans; Insulin; Leucine; Norepinephrine; Phenylalanine; Tryptophan; Tyrosine; Valine | 1988 |
Behavioral changes caused by nutrients.
Topics: Amino Acids; Behavior; Brain; Calorimetry; Clinical Trials as Topic; Diet; Dopamine; Double-Blind Method; Emotions; Humans; Norepinephrine; Nutritional Physiological Phenomena; Serotonin; Tryptophan; Tyrosine | 1986 |
Amino acid supplementation as therapy for attention deficit disorder.
Topics: Attention Deficit Disorder with Hyperactivity; Child; Clinical Trials as Topic; Dextroamphetamine; Double-Blind Method; Female; Humans; Male; Random Allocation; Tryptophan; Tyrosine | 1986 |
Biochemical and neuropsychological effects of elevated plasma phenylalanine in patients with treated phenylketonuria. A model for the study of phenylalanine and brain function in man.
Topics: Adolescent; Adult; Biological Transport; Brain; Child; Clinical Trials as Topic; Dopamine; Female; Humans; Kidney Tubules; Male; Neuropsychological Tests; Phenylalanine; Phenylketonurias; Serotonin; Tryptophan; Tyrosine | 1985 |
Aspects of amino acid and protein metabolism in cancer-bearing states.
Topics: Adenosine Triphosphate; Adult; Amino Acids; Amino Acids, Branched-Chain; Animals; Body Weight; Brain; Carcinoma 256, Walker; Clinical Trials as Topic; Humans; Leucine; Liver; Muscles; Neoplasms; Nutrition Disorders; Parenteral Nutrition, Total; Proteins; Rats; Tryptophan; Tyrosine; Valine | 1985 |
The effects of dietary neurotransmitter precursors on human behavior.
Topics: Adult; Auditory Perception; Behavior; Diet; Emotions; Humans; Male; Middle Aged; Psychomotor Performance; Self-Assessment; Tryptophan; Tyrosine; Visual Perception | 1985 |
The serotonin-catecholamine-dream bicycle: a clinical study.
Topics: 5-Hydroxytryptophan; Aged; Brain; Brain Chemistry; Catecholamines; Clinical Trials as Topic; Dihydroxyphenylalanine; Dreams; Electroencephalography; Female; Fenclonine; Humans; Male; Mental Disorders; Middle Aged; Monoamine Oxidase Inhibitors; Phenylalanine; Serotonin; Sleep; Sleep, REM; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Daily rhythms in the concentrations of various amino acids in human plasma.
Topics: Adolescent; Adult; Alanine; Amino Acids; Circadian Rhythm; Cysteine; Dietary Proteins; Glutamates; Glycine; Humans; Isoleucine; Male; Methionine; Phenylalanine; Tryptophan; Tyrosine | 1968 |
The influence of oral tyrosine and tryptophan feeding on plasma catecholamines in man.
Topics: Adult; Catecholamines; Clinical Trials as Topic; Dopamine; Double-Blind Method; Epinephrine; Humans; Male; Middle Aged; Norepinephrine; Tryptophan; Tyrosine | 1983 |
Tyrosine for the treatment of depression.
Topics: 5-Hydroxytryptophan; Adult; Animals; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Double-Blind Method; Female; Humans; Methoxyhydroxyphenylglycol; Tryptophan; Tyrosine | 1984 |
The effects of tryptophan and tyrosine on human mood and performance.
Topics: Emotions; Humans; Protein Precursors; Psychomotor Performance; Tryptophan; Tyrosine | 1984 |
Pituitary hormone release in response to food ingestion: evidence for neuroendocrine signals from gut to brain.
Topics: Adult; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Dopamine; Fasting; Food; Humans; Hydrocortisone; Male; Naloxone; Pituitary Hormones, Anterior; Prolactin; Tryptophan; Tyrosine | 1983 |
Ethanol, monoamines, and affect.
Topics: Adult; Affect; Biogenic Monoamines; Blood Pressure; Cross-Over Studies; Double-Blind Method; Ethanol; Heart Rate; Humans; Male; Norepinephrine; Psychomotor Performance; Reference Values; Self-Assessment; Serotonin; Tryptophan; Tyrosine | 1994 |
Acute tryptophan depletion aggravates premenstrual syndrome.
Topics: Adult; Amino Acids; Brain; Contraceptives, Oral; Double-Blind Method; Female; Fluoxetine; Humans; Middle Aged; Premenstrual Syndrome; Serotonin; Tryptophan; Tyrosine | 1994 |
A multidimensional approach to analysis of cerebrospinal fluid biogenic amines in schizophrenia: I. Comparisons with healthy control subjects and neuroleptic-treated/unmedicated pairs analyses.
Topics: Adult; Biogenic Amines; Chromatography, High Pressure Liquid; Chronic Disease; Dopamine; Double-Blind Method; Female; Haloperidol; Humans; Kynurenine; Male; Norepinephrine; Schizophrenia; Schizophrenic Psychology; Serotonin; Tryptophan; Tyrosine | 1994 |
A multidimensional approach to analysis of cerebrospinal fluid biogenic amines in schizophrenia: II. Correlations with psychopathology.
Topics: Adult; Biogenic Amines; Dopamine; Double-Blind Method; Female; Haloperidol; Humans; Kynurenine; Male; Norepinephrine; Psychiatric Status Rating Scales; Schizophrenia; Schizophrenic Psychology; Serotonin; Tryptophan; Tyrosine | 1994 |
Plasma amino acid profiles in relation to clinical response to moclobemide in patients with major depression. Danish University Antidepressant Group.
Topics: Adult; Aged; Amino Acids; Benzamides; Clomipramine; Depressive Disorder; Double-Blind Method; Female; Humans; Male; Middle Aged; Moclobemide; Monoamine Oxidase Inhibitors; Personality Inventory; Tryptophan; Tyrosine | 1993 |
Effects of clomipramine on plasma amino acids and serotonergic parameters in panic disorder and depression.
Topics: Adult; Amino Acids; Antidepressive Agents, Tricyclic; Blood Platelets; Clomipramine; Depressive Disorder; Female; Follow-Up Studies; Humans; Male; Panic Disorder; Psychiatric Status Rating Scales; Serotonin; Tryptophan; Tyrosine | 1997 |
A comparison of the effects of acute tryptophan depletion and acute phenylalanine/tyrosine depletion in healthy women.
Topics: Adult; Affect; Anxiety; Catecholamines; Double-Blind Method; Female; Heart Rate; Humans; Phenylalanine; Stress, Psychological; Tryptophan; Tyrosine | 1999 |
Acute tyrosine depletion and alcohol ingestion in healthy women.
Topics: Adult; Alcohol Drinking; Analysis of Variance; Double-Blind Method; Female; Humans; Phenylalanine; Self Administration; Synaptic Transmission; Tryptophan; Tyrosine | 2000 |
A balanced 5:1 carbohydrate:protein diet: a new method for supplementing protein to patients with chronic liver disease.
Topics: Adult; Amino Acids; Amino Acids, Branched-Chain; Behavior; Blood Glucose; Chronic Disease; Dietary Carbohydrates; Dietary Proteins; Female; Humans; Insulin; Liver Diseases; Male; Middle Aged; Tryptophan; Tyrosine | 2000 |
Effect of branch chain amino acids supplemented with tryptophan on tyrosine availability and plasma prolactin.
Topics: Adult; Amino Acids, Branched-Chain; Cross-Over Studies; Double-Blind Method; Female; Humans; Male; Middle Aged; Prolactin; Tryptophan; Tyrosine | 2002 |
A dose-finding study on the effects of branch chain amino acids on surrogate markers of brain dopamine function.
Topics: Adult; Amino Acids, Branched-Chain; Cross-Over Studies; Dopamine; Dose-Response Relationship, Drug; Double-Blind Method; Female; Humans; Male; Middle Aged; Neuropsychological Tests; Pattern Recognition, Visual; Phenylalanine; Prolactin; Recognition, Psychology; Space Perception; Time Factors; Tryptophan; Tyrosine | 2002 |
Effects of L-tyrosine and carbohydrate ingestion on endurance exercise performance.
Topics: Adult; Bicycling; Blood Glucose; Dietary Carbohydrates; Exercise; Heart; Humans; Lactic Acid; Male; Physical Endurance; Physical Exertion; Respiratory System; Self Concept; Time Factors; Tryptophan; Tyrosine | 2002 |
Effects of serotonin and catecholamine depletion on interleukin-6 activation and mood in human volunteers.
Topics: Adult; Affect; Catecholamines; Cross-Over Studies; Female; Humans; Interleukin-6; Phenylalanine; Serotonin; Tryptophan; Tyrosine | 2002 |
Brain monoamines and early visual information-processing speed.
Topics: Adult; Amino Acids; Biogenic Monoamines; Brain Chemistry; Cross-Over Studies; Discrimination, Psychological; Double-Blind Method; Female; Humans; Phenylalanine; Serotonin; Tryptophan; Tyrosine; Visual Perception | 2002 |
Effects of normal meals rich in carbohydrates or proteins on plasma tryptophan and tyrosine ratios.
Topics: Adult; Amino Acids; Chromatography, High Pressure Liquid; Dietary Carbohydrates; Dietary Proteins; Female; Humans; Male; Tryptophan; Tyrosine | 2003 |
Neurohumoral responses during prolonged exercise in humans.
Topics: Adult; Blood Gas Analysis; Blood Glucose; Body Temperature; Brain Chemistry; Cerebrovascular Circulation; Dietary Carbohydrates; Dopamine; Exercise; Exercise Test; Humans; Male; Muscle Fatigue; Neurotransmitter Agents; Oxygen Consumption; Tryptophan; Tyrosine | 2003 |
Large neutral amino acid therapy and phenylketonuria: a promising approach to treatment.
Topics: Adult; Amino Acids; Brain; Diet; Dose-Response Relationship, Drug; Female; Humans; Magnetic Resonance Spectroscopy; Male; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 2003 |
Hypothalamic digoxin-mediated model for Parkinson's disease.
Topics: Aged; Digoxin; Dolichols; Enzyme Inhibitors; Erythrocytes; Female; Glycoconjugates; Glycosaminoglycans; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Male; Membrane Proteins; Middle Aged; Models, Biological; Neurons; Parkinson Disease; Polyisoprenyl Phosphates; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Hypothalamic digoxin and isoprenoid pathway dysfunction relation to alcoholic addiction, alcoholic cirrhosis, and acquired hepatocerebral degeneration--relation to hemispheric chemical dominance.
Topics: Adult; Alcoholism; Analysis of Variance; Cholesterol; Digoxin; Disease Susceptibility; Dolichols; Dominance, Cerebral; Enzyme Inhibitors; Erythrocytes; Female; Glycoconjugates; Glycosaminoglycans; Hepatolenticular Degeneration; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Liver Cirrhosis, Alcoholic; Male; Membrane Proteins; Neurotransmitter Agents; Polyisoprenyl Phosphates; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Hypothalamic-mediated model for Creutzfeldt-Jakob disease: relation to hemispheric chemical dominance.
Topics: Brain Chemistry; Creutzfeldt-Jakob Syndrome; Digoxin; Dolichols; Dominance, Cerebral; Enzyme Inhibitors; Erythrocyte Membrane; Free Radicals; Glycoproteins; Glycosaminoglycans; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Lipid Peroxidation; Lysosomes; Magnesium; Matched-Pair Analysis; Models, Biological; Models, Neurological; Neurotransmitter Agents; Polyisoprenyl Phosphates; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Selective effects of simultaneous monoamine depletion on mood and emotional responsiveness.
Topics: Adolescent; Adult; Affect; Amino Acids; Biogenic Monoamines; Cross-Over Studies; Double-Blind Method; Expressed Emotion; Female; Humans; Phenylalanine; Psychometrics; Reaction Time; Tryptophan; Tyrosine | 2004 |
Simultaneous depletion of tryptophan, tyrosine and phenylalanine as an experimental method to probe brain monoamine function in humans.
Topics: Adolescent; Adult; Biogenic Monoamines; Brain Chemistry; Chromatography, High Pressure Liquid; Cross-Over Studies; Double-Blind Method; Female; Humans; Phenylalanine; Tryptophan; Tyrosine | 2004 |
Simultaneous depletion of serotonin and catecholamines impairs sustained attention in healthy female subjects without affecting learning and memory.
Topics: Adolescent; Adult; Affect; Attention; Brain; Catecholamines; Cognition; Double-Blind Method; Female; Humans; Learning; Memory; Phenylalanine; Reaction Time; Serotonin; Tryptophan; Tyrosine | 2004 |
Selective effects of acute serotonin and catecholamine depletion on memory in healthy women.
Topics: Adult; Affect; Attention; Brain; Catecholamines; Cognition; Cross-Over Studies; Double-Blind Method; Female; Humans; Memory; Phenylalanine; Serotonin; Tryptophan; Tyrosine | 2004 |
Pegylated interferon-alpha2b treatment in melanoma patients: influence on amino acids, 5-hydroxyindolacetic acid and pteridine plasma concentrations.
Topics: Adult; Aged; Amino Acids; Biopterins; Drug Administration Schedule; Female; Humans; Hydroxyindoleacetic Acid; Injections, Subcutaneous; Interferon alpha-2; Interferon-alpha; Male; Melanoma; Middle Aged; Neopterin; Phenylalanine; Pilot Projects; Polyethylene Glycols; Pteridines; Randomized Controlled Trials as Topic; Recombinant Proteins; Time Factors; Tryptophan; Tyrosine | 2004 |
Tyrosine depletion does not cause depressive relapse in antidepressant-treated patients.
Topics: Adult; Amino Acids, Neutral; Antidepressive Agents, Tricyclic; Cross-Over Studies; Depressive Disorder, Major; Double-Blind Method; Female; Humans; Middle Aged; Phenylalanine; Prolactin; Secondary Prevention; Selective Serotonin Reuptake Inhibitors; Tryptophan; Tyrosine | 2004 |
Tryptophan and tyrosine availability and response to antidepressant treatment in major depression.
Topics: Adrenergic Uptake Inhibitors; Adult; Amino Acids, Neutral; Antidepressive Agents, Tricyclic; Circadian Rhythm; Depressive Disorder, Major; Female; Fluoxetine; Follow-Up Studies; Humans; Hydrocortisone; Male; Nortriptyline; Prolactin; Psychiatric Status Rating Scales; Research Design; Selective Serotonin Reuptake Inhibitors; Treatment Outcome; Tryptophan; Tyrosine | 2005 |
Acute serotonin and dopamine depletion improves attentional control: findings from the stroop task.
Topics: Adult; Attention; Biogenic Monoamines; Brain; Brain Chemistry; Dopamine; Double-Blind Method; Humans; Male; Mood Disorders; Neural Pathways; Neuropsychological Tests; Placebos; Schizophrenia; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 2007 |
Effects of selective and combined serotonin and dopamine depletion on the loudness dependence of the auditory evoked potential (LDAEP) in humans.
Topics: Acoustic Stimulation; Adult; Cross-Over Studies; Dopamine; Double-Blind Method; Electroencephalography; Electromyography; Evoked Potentials, Auditory; Humans; Loudness Perception; Male; Phenylalanine; Serotonin; Tryptophan; Tyrosine | 2008 |
Effects of sex steroids on the neurotransmitter-specific aromatic amino acids phenylalanine, tyrosine, and tryptophan in transsexual subjects.
Topics: Adolescent; Adult; Amino Acids, Aromatic; Cyproterone Acetate; Ethinyl Estradiol; Female; Gonadal Steroid Hormones; Humans; Male; Models, Biological; Neurotransmitter Agents; Phenylalanine; Substrate Specificity; Synaptic Transmission; Testosterone; Transsexualism; Tryptophan; Tyrosine | 2008 |
Acute dopamine and/or serotonin depletion does not modulate mismatch negativity (MMN) in healthy human participants.
Topics: Adult; Contingent Negative Variation; Cross-Over Studies; Dopamine; Double-Blind Method; Electroencephalography; Humans; Male; Neural Pathways; Phenylalanine; Reaction Time; Serotonin; Time Factors; Tryptophan; Tyrosine; Young Adult | 2010 |
Estrogen treatment impairs cognitive performance after psychosocial stress and monoamine depletion in postmenopausal women.
Topics: Affect; Aged; Aged, 80 and over; Anxiety; Cognition Disorders; Double-Blind Method; Estradiol; Estrogens; Female; Follicle Stimulating Hormone; Humans; Hydrocortisone; Mental Recall; Middle Aged; Neuropsychological Tests; Phenylalanine; Postmenopause; Stress, Psychological; Tryptophan; Tyrosine | 2010 |
A search for biomarkers as diagnostic tools for food allergy: a pilot study in peanut-allergic patients.
Topics: Adolescent; Adult; Allergens; Arachis; Biomarkers; Creatinine; Discriminant Analysis; Female; Glutamine; Humans; Immunoglobulin E; Lactic Acid; Lipids; Magnetic Resonance Spectroscopy; Male; Middle Aged; Multivariate Analysis; Niacin; Peanut Hypersensitivity; Pilot Projects; Principal Component Analysis; Saliva; Signal Processing, Computer-Assisted; Tryptophan; Tyrosine; Young Adult | 2011 |
Effects of a caloric restriction weight loss diet on tryptophan metabolism and inflammatory biomarkers in overweight adults.
Topics: Austria; Biomarkers; Body Mass Index; Caloric Restriction; Diet, Reducing; Female; Humans; Inflammation Mediators; Kynurenine; Leptin; Male; Middle Aged; Mood Disorders; Neopterin; Overweight; Phenylalanine; Risk; Tryptophan; Tyrosine; Weight Loss | 2015 |
Melatonin and dopamine as biomarkers to optimize treatment in phenylketonuria: effects of tryptophan and tyrosine supplementation.
Topics: Adult; Amino Acids, Neutral; Biomarkers; Chromatography, High Pressure Liquid; Cross-Over Studies; Dietary Supplements; Dopamine; Double-Blind Method; Female; Humans; Male; Melatonin; Middle Aged; Phenylketonurias; Serotonin; Treatment Outcome; Tryptophan; Tyrosine; Young Adult | 2014 |
Serotonin and dopamine differentially affect appetitive and aversive general Pavlovian-to-instrumental transfer.
Topics: Adult; Appetite; Conditioning, Classical; Cues; Decision Making; Diet; Dopamine; Double-Blind Method; Female; Humans; Male; Motivation; Neurotransmitter Agents; Phenylalanine; Serotonin; Tryptophan; Tyrosine; Young Adult | 2015 |
Probiotic Supplements Beneficially Affect Tryptophan-Kynurenine Metabolism and Reduce the Incidence of Upper Respiratory Tract Infections in Trained Athletes: A Randomized, Double-Blinded, Placebo-Controlled Trial.
Topics: Adult; Athletes; Austria; Biomarkers; Double-Blind Method; Female; Gastrointestinal Microbiome; Health Status; Humans; Kynurenine; Male; Neopterin; Phenylalanine; Physical Conditioning, Human; Physical Endurance; Physical Fitness; Probiotics; Respiratory Tract Infections; Risk Factors; Seasons; Time Factors; Tryptophan; Tyrosine; Young Adult | 2016 |
Selective dietary supplementation in early postpartum is associated with high resilience against depressed mood.
Topics: Adult; Depression, Postpartum; Dietary Supplements; Female; Humans; Milk, Human; Monoamine Oxidase; Postpartum Period; Tryptophan; Tyrosine | 2017 |
Metabolomic changes demonstrate reduced bioavailability of tyrosine and altered metabolism of tryptophan via the kynurenine pathway with ingestion of medical foods in phenylketonuria.
Topics: Adolescent; Adult; Amino Acids; Biological Availability; Caseins; Catecholamines; Cross-Over Studies; Diet; Female; Food, Formulated; Gastrointestinal Microbiome; Humans; Kynurenine; Male; Melatonin; Metabolic Networks and Pathways; Metabolomics; Middle Aged; Peptide Fragments; Phenylketonurias; Prebiotics; Serotonin; Tryptophan; Tyrosine; Young Adult | 2017 |
Effect of Supplementation of a Whey Peptide Rich in Tryptophan-Tyrosine-Related Peptides on Cognitive Performance in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Study.
Topics: Cognition; Cognitive Dysfunction; Dietary Supplements; Double-Blind Method; Female; Healthy Volunteers; Humans; Japan; Male; Memory; Mental Fatigue; Middle Aged; Neuropsychological Tests; Time Factors; Treatment Outcome; Tryptophan; Tyrosine; Verbal Behavior; Whey Proteins | 2018 |
Two apples a day modulate human:microbiome co-metabolic processing of polyphenols, tyrosine and tryptophan.
Topics: Biomarkers; Humans; Malus; Microbiota; Polyphenols; Reproducibility of Results; Tryptophan; Tyrosine | 2020 |
Short-Term Supplementation of Sodium Nitrate vs. Sodium Chloride Increases Homoarginine Synthesis in Young Men Independent of Exercise.
Topics: Arginine; Citrulline; Creatine; Creatinine; Dietary Supplements; Glutamates; Glutamine; Glycine; Homoarginine; Humans; Lysine; Male; Malondialdehyde; Methyltransferases; Nitrates; Nitrites; Ornithine; Phenylalanine; Sarcosine; Sodium Chloride; Tryptophan; Tyrosine | 2022 |
3084 other study(ies) available for tryptophan and tyrosine
| Article | Year |
|---|---|
Comparison of the accuracy of experimental and predicted pKa values of basic and acidic compounds.
Topics: Chemistry, Pharmaceutical; Forecasting; Hydrogen-Ion Concentration; Pharmaceutical Preparations; Random Allocation | 2014 |
Quantitative structure-activity relationships of the bitter thresholds of amino acids, peptides, and their derivatives.
Topics: Amino Acids; Humans; Mathematics; Peptides; Structure-Activity Relationship; Taste | 1987 |
Expression cloning of a Na+-independent aromatic amino acid transporter with structural similarity to H+/monocarboxylate transporters.
Topics: Amino Acid Sequence; Amino Acid Transport Systems; Amino Acid Transport Systems, Neutral; Animals; Anion Transport Proteins; Bacterial Proteins; Carrier Proteins; Cloning, Molecular; Escherichia coli Proteins; Female; Intestine, Small; Kinetics; Levodopa; Mice; Molecular Sequence Data; Oocytes; Phenylalanine; Rats; Recombinant Proteins; Sequence Alignment; Sequence Homology, Amino Acid; Substrate Specificity; Tryptophan; Tyrosine; Xenopus laevis | 2001 |
The human T-type amino acid transporter-1: characterization, gene organization, and chromosomal location.
Topics: Amino Acid Sequence; Amino Acid Transport Systems, Neutral; Animals; Carrier Proteins; Chromosome Mapping; Chromosomes, Human, Pair 6; Humans; Molecular Sequence Data; Oocytes; Rats; Sequence Analysis, DNA; Sequence Homology; Xenopus laevis | 2002 |
Identification of monocarboxylate transporter 8 as a specific thyroid hormone transporter.
Topics: Amino Acid Sequence; Animals; Base Sequence; Biological Transport, Active; Cloning, Molecular; DNA; Female; In Vitro Techniques; Kinetics; Male; Molecular Sequence Data; Monocarboxylic Acid Transporters; Oocytes; Rats; Recombinant Proteins; Sequence Homology, Amino Acid; Thyroid Hormones; Tissue Distribution; Xenopus laevis | 2003 |
Carbonic anhydrase activators: an activation study of the human mitochondrial isoforms VA and VB with amino acids and amines.
Topics: Amines; Amino Acids; Carbonic Anhydrases; Catalysis; Enzyme Activation; Humans; Kinetics; Mitochondrial Proteins; Protein Isoforms; Structure-Activity Relationship | 2007 |
Carbonic anhydrase activators: the first activation study of the human secretory isoform VI with amino acids and amines.
Topics: Amines; Amino Acid Sequence; Amino Acids; Carbonic Anhydrases; Cloning, Molecular; Enzyme Activation; Gene Expression Regulation, Enzymologic; Humans; Molecular Sequence Data; Protein Isoforms; Protein Subunits | 2007 |
Carbonic anhydrase activators: activation of the human isoforms VII (cytosolic) and XIV (transmembrane) with amino acids and amines.
Topics: Amines; Amino Acid Sequence; Amino Acids; Carbonic Anhydrases; Enzyme Activation; Enzyme Activators; Humans; Isoenzymes; Molecular Sequence Data; Sequence Homology, Amino Acid | 2007 |
Carbonic anhydrase activators: activation of the human tumor-associated isozymes IX and XII with amino acids and amines.
Topics: Amines; Amino Acids; Antigens, Neoplasm; Carbonic Anhydrase IX; Carbonic Anhydrases; Conserved Sequence; Enzyme Activation; Humans; Isoenzymes; Kinetics; Molecular Sequence Data; Molecular Structure; Neoplasms; Sequence Alignment; Structure-Activity Relationship | 2008 |
Carbonic anhydrase activators: Activation of the human cytosolic isozyme III and membrane-associated isoform IV with amino acids and amines.
Topics: Amines; Amino Acids; Binding Sites; Carbonic Anhydrase III; Carbonic Anhydrase IV; Cell Membrane; Cytosol; Enzyme Activation; Histidine; Humans; Isoenzymes; Molecular Structure; Morpholines; Serotonin; Stereoisomerism | 2008 |
Carbonic anhydrase activators: activation of the archaeal beta-class (Cab) and gamma-class (Cam) carbonic anhydrases with amino acids and amines.
Topics: Amines; Amino Acids; Archaea; Carbonic Anhydrases; Catalysis; Molecular Structure; Phenylalanine; Stereoisomerism; Tyrosine | 2008 |
Transport and signaling via the amino acid binding site of the yeast Gap1 amino acid transceptor.
Topics: Amino Acid Transport Systems; Amino Acids; Biological Transport; Catalytic Domain; Dipeptides; Gene Expression Regulation, Fungal; Mutagenesis; Protein Conformation; Protein Structure, Tertiary; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Signal Transduction | 2009 |
Substrate promiscuity of the cyclic dipeptide prenyltransferases from Aspergillus fumigatus ( section sign).
Topics: Aspergillus fumigatus; Dimethylallyltranstransferase; Dipeptides; Molecular Structure; Substrate Specificity; Tryptophan | 2009 |
Carbonic anhydrase activators: activation of the beta-carbonic anhydrase Nce103 from the yeast Saccharomyces cerevisiae with amines and amino acids.
Topics: Amino Acids; Candida albicans; Carbonic Anhydrases; Catalysis; Catalytic Domain; Cryptococcus neoformans; Drug Design; Enzyme Activation; Epinephrine; Humans; Kinetics; Models, Chemical; Protein Isoforms; Saccharomyces cerevisiae; Tryptophan | 2009 |
Synthesis, kinetic studies and pharmacological evaluation of mutual azo prodrugs of 5-aminosalicylic acid for colon-specific drug delivery in inflammatory bowel disease.
Topics: Aminosalicylic Acids; Animals; Arthritis; Colitis; Colon; Female; Inflammatory Bowel Diseases; Male; Peroxidase; Prodrugs; Rats; Rats, Wistar; Ulcer | 2009 |
Carbonic anhydrase activators. Activation of the membrane-associated isoform XV with amino acids and amines.
Topics: Amines; Amino Acid Sequence; Amino Acids; Animals; Carbonic Anhydrases; Enzyme Activators; Humans; Kinetics; Mice; Molecular Sequence Data; Protein Isoforms; Recombinant Proteins; Sequence Homology, Amino Acid; Structure-Activity Relationship | 2009 |
Carbonic anhydrase activators: activation of the beta-carbonic anhydrases from the pathogenic fungi Candida albicans and Cryptococcus neoformans with amines and amino acids.
Topics: Amines; Amino Acids; Candida albicans; Carbonic Anhydrase I; Carbonic Anhydrases; Cryptococcus neoformans; Enzyme Activation; Structure-Activity Relationship | 2010 |
Carbonic anhydrase activators: Activation of the beta-carbonic anhydrase from the pathogenic yeast Candida glabrata with amines and amino acids.
Topics: Amines; Amino Acids; Candida glabrata; Carbonic Anhydrases; Catalytic Domain; Enzyme Activation; Humans; Kinetics; Models, Molecular; Recombinant Proteins; Structure-Activity Relationship | 2010 |
Carbonic anhydrase activators. The first activation study of a coral secretory isoform with amino acids and amines.
Topics: Amines; Amino Acids; Animals; Anthozoa; Carbonic Anhydrases; Enzyme Activation; Humans; Isoenzymes; Kinetics; Molecular Structure; Stereoisomerism; Structure-Activity Relationship | 2010 |
The first activation study of a bacterial carbonic anhydrase (CA). The thermostable α-CA from Sulfurihydrogenibium yellowstonense YO3AOP1 is highly activated by amino acids and amines.
Topics: Amines; Amino Acids; Carbon Dioxide; Carbonic Anhydrases; Enzyme Activation; Gram-Negative Chemolithotrophic Bacteria; Kinetics | 2012 |
The extremo-α-carbonic anhydrase (CA) from Sulfurihydrogenibium azorense, the fastest CA known, is highly activated by amino acids and amines.
Topics: Amines; Amino Acids; Bacteria; Carbonic Anhydrases; Catalysis; Structure-Activity Relationship; Sulfur Compounds | 2013 |
Carbonic anhydrase activators: Activation of the β-carbonic anhydrase from Malassezia globosa with amines and amino acids.
Topics: Amines; Amino Acids; Antifungal Agents; Carbonic Anhydrases; Dandruff; Dose-Response Relationship, Drug; Ligands; Malassezia; Molecular Structure; Structure-Activity Relationship | 2016 |
LAT1 activity of carboxylic acid bioisosteres: Evaluation of hydroxamic acids as substrates.
Topics: Blood-Brain Barrier; Carboxylic Acids; Chromatography, High Pressure Liquid; HEK293 Cells; Humans; Hydroxamic Acids; Large Neutral Amino Acid-Transporter 1; Magnetic Resonance Spectroscopy; Structure-Activity Relationship | 2016 |
Burkholderia pseudomallei γ-carbonic anhydrase is strongly activated by amino acids and amines.
Topics: Amines; Amino Acids; Burkholderia pseudomallei; Carbonic Anhydrases; Dose-Response Relationship, Drug; Humans; Molecular Structure; Structure-Activity Relationship | 2017 |
Reevaluating the Substrate Specificity of the L-Type Amino Acid Transporter (LAT1).
Topics: Amino Acid Transport Systems; Antiporters; Escherichia coli Proteins; HEK293 Cells; Humans; Large Neutral Amino Acid-Transporter 1; Ligands; Molecular Docking Simulation; Phenylalanine; Stereoisomerism; Structural Homology, Protein; Structure-Activity Relationship; Substrate Specificity | 2018 |
Synthesis and molecular docking studies of xanthone attached amino acids as potential antimicrobial and anti-inflammatory agents.
Topics: | 2017 |
Conformational and molecular responses to pH variation of the purified membrane adenosine triphosphatase of Micrococcus lysodeikticus.
Topics: Adenosine Triphosphatases; Cell Membrane; Circular Dichroism; Hydrogen-Ion Concentration; Kinetics; Micrococcus; Microscopy, Electron; Molecular Weight; Osmolar Concentration; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1975 |
3-Deoxy-D-arabino-heptulosonic acid 7-phosphate synthase mutants of Salmonella typhimurium.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aldehyde-Lyases; Cell-Free System; Chromatography, DEAE-Cellulose; Chromosome Mapping; Genes; Glyoxal; Isoenzymes; Mutation; Phenylalanine; Salmonella typhimurium; Sugar Phosphates; Tetroses; Tryptophan; Tyrosine | 1975 |
Derepression of certain aromatic amino acid biosynthetic enzymes of Escherichia coli K-12 by growth in Fe3+-deficient medium.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aldehyde-Lyases; Cell-Free System; Culture Media; Enzyme Repression; Escherichia coli; Glutamate Dehydrogenase; Glutamate Synthase; Hydro-Lyases; Hydroxybenzoates; Iron; Isoenzymes; Peptide Synthases; Phenylalanine; Prephenate Dehydratase; Shikimic Acid; Tryptophan; Tryptophan Synthase; Tyrosine | 1976 |
Analytical studies on crotamine hydrochloride.
Topics: Amino Acid Sequence; Amino Acids; Animals; Calorimetry; Hydrogen-Ion Concentration; Proteins; Snake Venoms; Tryptophan; Tyrosine | 1975 |
Role of D-tryptophan oxidase in D-tryptophan utilization by Escherichia coli.
Topics: Amino Acid Oxidoreductases; Cell-Free System; D-Amino-Acid Oxidase; Enzyme Repression; Genes; Histidine; Hydrogen-Ion Concentration; Mutation; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine; Tyrosine Transaminase | 1976 |
Regulation of Chorismate mutase-prephenate dehydratase and prephenate dehydrogenase from alcaligenes eutrophus.
Topics: Alcaligenes; Cell-Free System; Chorismate Mutase; Enzyme Activation; Feedback; Hydro-Lyases; Hydrogen-Ion Concentration; Isomerases; NAD; Oxidoreductases; Phenylalanine; Prephenate Dehydratase; Prephenate Dehydrogenase; Pyruvates; Temperature; Tryptophan; Tyrosine | 1976 |
Neurochemical correlates of behaviour--content of tryptophan, 5-hydroxytryptophan, serotonin, 5-hydroxyindoleacetic acid, tyrosine, dopamine and norepinephrine in four brain parts of the pigeon during behavioural depression following an injection of trypt
Topics: 5-Hydroxytryptophan; Animals; Behavior, Animal; Brain; Brain Stem; Cerebellum; Columbidae; Diencephalon; Dopamine; Hydroxyindoleacetic Acid; Male; Mesencephalon; Neurotransmitter Agents; Norepinephrine; Serotonin; Telencephalon; Time Factors; Tryptophan; Tyrosine | 1976 |
Transmitter precursors and metabolites in human ventricular cerebrospinal fluid.
Topics: Cerebral Ventricles; Frontal Lobe; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Neurotic Disorders; Neurotransmitter Agents; Phenylacetates; Schizophrenia; Tryptophan; Tyrosine | 1976 |
Effects of benzodiazepines on the binding of tryptophan in serum. Consequences on 5-hydroxyindoles concentrations in the rat brain.
Topics: Amino Acids; Animals; Anti-Anxiety Agents; Brain Chemistry; Chlordiazepoxide; Diazepam; Hydroxyindoleacetic Acid; In Vitro Techniques; Indoles; Male; Oxazepam; Protein Binding; Rats; Serum Albumin; Time Factors; Tryptophan; Tyrosine | 1975 |
[Effect of hypercapnia on tyrosine and tryptophan metabolism].
Topics: Animals; Female; Hypercapnia; Liver; Rats; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1976 |
Altered prephenate dehydratase in phenylalanine-excreting mutants of Brevibacterium flavum.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Brevibacterium; Chorismate Mutase; Hydro-Lyases; Kinetics; Molecular Weight; Mutation; Phenylalanine; Prephenate Dehydratase; Tryptophan; Tyrosine | 1976 |
[Spectroscopic study of the structural changes of scorpion hemocyanin, induced by pH variations and addition of various salts].
Topics: Animals; Anions; Circular Dichroism; Hemocyanins; Hydrogen-Ion Concentration; Macromolecular Substances; Oxygen; Protein Conformation; Scorpions; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Urea | 1976 |
Interpretation and applications of thermal difference spectra of proteins.
Topics: Chemical Phenomena; Chemistry; Guanidines; Hydrogen Bonding; Hydrogen-Ion Concentration; Pepsin A; Proteins; Serum Albumin; Serum Albumin, Bovine; Solvents; Spectrophotometry, Ultraviolet; Temperature; Tryptophan; Tyrosine | 1976 |
Estimation of tryptophyl and tyrosyl exposure in tryptophan-rich proteins by ultraviolet difference spectrophotometry. Lysozyme and Chymotrypsinogen.
Topics: Animals; Cattle; Chickens; Chymotrypsinogen; Circular Dichroism; Ethylene Glycols; Hydrogen-Ion Concentration; Muramidase; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1976 |
Brain tyrosine hydroxylation: alteration of oxygen affinity in vivo by immobilization or electroshock in the rat.
Topics: Animals; Behavior, Animal; Brain; Dopamine; Electroshock; Hypoxia; Immobilization; Male; Norepinephrine; Oxygen; Rats; Serotonin; Stress, Physiological; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1976 |
Biochemical basis of an animal model of depressive illness--a preliminary report--.
Topics: Adjustment Disorders; Animals; Brain Chemistry; Conditioning, Classical; Disease Models, Animal; Humans; Hydroxyindoleacetic Acid; Liver; Male; Motor Activity; Rats; Serotonin; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1976 |
Action of some fluorinated amphetamine-like compounds on the synaptosomal uptake of neurotransmitters.
Topics: Animals; Dopamine; Fenfluramine; gamma-Aminobutyric Acid; Glutamates; In Vitro Techniques; Male; Neurotransmitter Agents; Phenyl Ethers; Propylamines; Rats; Serotonin; Synaptosomes; Tryptophan; Tyrosine | 1976 |
Chemical modification of two tryptophan residues abolishes the catalytic activity of aminoacylase.
Topics: Alanine; Amidohydrolases; Amino Acids; Azo Compounds; Azoles; Bromosuccinimide; Histidine; Hydrogen-Ion Concentration; Lysine; Succinimides; Tetrazoles; Tosyl Compounds; Tosylphenylalanyl Chloromethyl Ketone; Tryptophan; Tyrosine | 1976 |
[Induction of tyrosine aminotransferase by blastomogenic metabolites of tryptophan and tyrosine].
Topics: 3-Hydroxyanthranilic Acid; Animals; Carcinogens; Enzyme Induction; Lactates; Liver; Male; ortho-Aminobenzoates; Phenols; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1976 |
Ferricytochrome c chain folding measured by the energy transfer of tryptophan 59 to the heme group.
Topics: Cytochrome c Group; Energy Transfer; Fluorescence; Guanidines; Heme; Hydrogen-Ion Concentration; Kinetics; Protein Conformation; Temperature; Tryptophan; Tyrosine; Urea | 1976 |
Quantitative requirements for tyrosine, phenylalanine and tryptophan by the cotton aphid, Aphis gossypii (Glover).
Topics: Animals; Aphids; Diet; Phenylalanine; Tryptophan; Tyrosine | 1977 |
Amino acid precursors of monoamine neurotransmitters and some factors influencing their supply to the brain.
Topics: Amino Acids, Essential; Animals; Blood-Brain Barrier; Brain; Capillary Permeability; Carbon Radioisotopes; Histidine; Levodopa; Neurotransmitter Agents; Osmolar Concentration; Phenylalanine; Protein Precursors; Rats; Tryptophan; Tyrosine | 1976 |
Fluorescence of proteins in aqueous neutral salt solutions. II. Influence of monovalent cation chlorides, particularly cesium chloride.
Topics: Cations, Monovalent; Cesium; Chlorides; Fibrinogen; Fructose-Bisphosphate Aldolase; Hydrogen-Ion Concentration; Muramidase; Ovalbumin; Proteins; Ribonucleases; Serum Albumin, Bovine; Spectrometry, Fluorescence; Trypsin; Tryptophan; Tyrosine | 1977 |
Proton-nuclear-magnetic-resonance study of the conformation of neurotoxin II from Middle-Asian cobra (Naja naja oxiana) venom.
Topics: Amino Acid Sequence; Animals; Arginine; Histidine; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Protein Conformation; Snake Venoms; Snakes; Temperature; Tryptophan; Tyrosine | 1976 |
Correlation between the exposure of aromatic chromophores at the surface of the Fc domains of immunoglobulin G and their ability to bind complement.
Topics: Binding Sites; Complement C1; Complement System Proteins; Hydrogen-Ion Concentration; Immunoglobulin Fc Fragments; Immunoglobulin G; Iodine Radioisotopes; Lactoperoxidase; Pepsin A; Protein Conformation; Protein Denaturation; Solvents; Spectrophotometry, Ultraviolet; Spectrum Analysis; Structure-Activity Relationship; Tryptophan; Tyrosine | 1977 |
The reactivities of tyrosine and tryptophan residues in lipid-bound cytochrome b5.
Topics: Animals; Binding Sites; Cytochromes; Hydrogen-Ion Concentration; Kinetics; Liposomes; Microsomes, Liver; Protein Binding; Rats; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1977 |
Reaction of bovine and equine growth hormones with tetranitromethane.
Topics: Amino Acids; Angiotensin II; Animals; Cattle; Chromatography, Gel; Growth Hormone; Horses; Hydrogen-Ion Concentration; Methane; Molecular Weight; Species Specificity; Tetranitromethane; Time Factors; Tryptophan; Tyrosine; Urea | 1977 |
Effect of hypercapnia and hypocapnia on tryptophan and tyrosine hydroxylation in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Ammonia; Animals; Brain; Carbohydrate Metabolism; Carbon Dioxide; Dihydroxyphenylalanine; Hydrazines; Hydrogen-Ion Concentration; Hydroxylation; Hypercapnia; Male; Partial Pressure; Phosphates; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1977 |
Effect of albumin binding and amino acid competition on tryptophan uptake into brain.
Topics: Amino Acids; Animals; Binding, Competitive; Blood-Brain Barrier; Brain; Hydrogen-Ion Concentration; Leucine; Male; Palmitates; Rats; Serum Albumin; Tryptophan; Tyrosine | 1977 |
Dopamine biosynthesis from L-tyrosine and L-phenylalanine in rat brain synaptosomes: preferential use of newly accumulated precursors.
Topics: Animals; Benserazide; Carbon Dioxide; Corpus Striatum; Dopamine; Hydrogen-Ion Concentration; Hypotonic Solutions; Male; Monoiodotyrosine; Olfactory Bulb; Phenylalanine; Rats; Synaptosomes; Time Factors; Tryptophan; Tyrosine | 1977 |
Circular dichroism studies on the N-bromosuccinimide oxidation of ribonuclease from Aspergillus saitoi.
Topics: Adenosine Monophosphate; Aspergillus; Bromosuccinimide; Circular Dichroism; Endonucleases; Hydrogen-Ion Concentration; Oxidation-Reduction; Protein Binding; Ribonucleases; Succinimides; Tryptophan; Tyrosine; Urea | 1977 |
Effect of vasopressin analogue, desglycinamide lysine vasopressin, on changes in hippocampal monoamine metabolism associated with passive avoidance and amnesia in the rat [proceedings].
Topics: Animals; Avoidance Learning; Hippocampus; Lypressin; Male; Memory; Neurotransmitter Agents; Rats; Tryptophan; Tyrosine; Vasopressins | 1977 |
19 Fnuclear magnetic resonance studies of ligand binding to 3-fluorotyrosine-and 6-fluorotryptophan-containing dihydrofolate reductase from Lactobacillus casei.
Topics: Binding Sites; Hydrogen-Ion Concentration; Lacticaseibacillus casei; Ligands; Magnetic Resonance Spectroscopy; NADP; Protein Binding; Protein Conformation; Structure-Activity Relationship; Tetrahydrofolate Dehydrogenase; Tryptophan; Tyrosine | 1977 |
Neurochemical changes following the administration of precursors of biogenic amines.
Topics: 5-Hydroxytryptophan; Acetylcholine; Amino Acids; Animals; Brain; Choline; Dopamine; gamma-Aminobutyric Acid; Levodopa; Male; Neurotransmitter Agents; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1977 |
Purification and properties of isocitrate lyase from flax seedlings.
Topics: Cations, Divalent; Glyoxylates; Hydrogen-Ion Concentration; Hydroxymercuribenzoates; Isocitrate Lyase; Malonates; Molecular Weight; Oxo-Acid-Lyases; Plants; Sulfhydryl Reagents; Tartrates; Temperature; Tryptophan; Tyrosine | 1977 |
Unfolding and refolding occur much faster for a proline-free proteins than for most proline-containing proteins.
Topics: Animals; Carps; Chemical Phenomena; Chemistry; Hydrogen-Ion Concentration; Kinetics; Muscle Proteins; Phenylalanine; Proline; Protein Denaturation; Tryptophan; Tyrosine | 1977 |
Conformational behavior of [Trp4, Met5]-enkephalin: comparison of fluorescence parameters at different Ph.
Topics: Amino Acid Sequence; Endorphins; Enkephalins; Hydrogen-Ion Concentration; Methionine; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1977 |
On the molecular conformation of human haemopexin. I. Reactivity of the tyrosine and tryptophan side chains.
Topics: Circular Dichroism; Heme; Hemopexin; Humans; Hydrogen-Ion Concentration; Kinetics; Protein Conformation; Spectrophotometry; Tryptophan; Tyrosine | 1977 |
Interaction of the enantiomers of warfarin with human serum albumin, peptides and amino acids [proceedings].
Topics: Angiotensin II; Humans; In Vitro Techniques; Pentagastrin; Protein Binding; Stereoisomerism; Tryptophan; Tyrosine; Warfarin | 1977 |
Effect of hypoxia on monoamine synthesis in brains of developing rats. II. Different length of exposure.
Topics: Animals; Brain; Dihydroxyphenylalanine; Hypoxia; Rats; Serotonin; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Introduction of a strong binding site for lanthanides at the N-terminus of peptides and ribonuclease A.
Topics: Binding Sites; Glycine; Histidine; Hydrogen-Ion Concentration; Lysine; Magnetic Resonance Spectroscopy; Metals, Rare Earth; Peptides; Phthalic Acids; Protein Binding; Ribonucleases; Thiocyanates; Tryptophan; Tyrosine | 1978 |
Differential spectrophotometric determination of tyrosine and tryptophan in pharmaceutical amino acid solutions.
Topics: Drug Combinations; Hydrogen-Ion Concentration; Methods; Osmolar Concentration; Solutions; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1978 |
Stacking interactions between aromatic amino acids and adenine ring of ATP in zinc mediated ternary complexes.
Topics: Adenine; Adenosine Triphosphate; Amino Acids; Chemical Phenomena; Chemistry; Hydrogen-Ion Concentration; Indoles; Phenylalanine; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Zinc | 1978 |
Cerebral transmitter precursors and metabolites in advanced renal disease.
Topics: Adult; Aged; Brain; Brain Diseases; Fatty Acids, Nonesterified; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Neurotransmitter Agents; Probenecid; Serum Albumin; Sex Factors; Tryptophan; Tyrosine; Uremia | 1978 |
Effect of hypoxia on monoamine synthesis in brains of developing rats. III. Various O2 levels.
Topics: 5-Hydroxytryptophan; Animals; Animals, Newborn; Brain; Dihydroxyphenylalanine; Female; Hypoxia; Norepinephrine; Oxygen Consumption; Pregnancy; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1978 |
Interaction of CDP-choline with synaptosomal transport of biogenic amines and their precursors in vitro and in vivo in the rat corpus striatum.
Topics: Animals; Biogenic Amines; Cell-Free System; Choline; Corpus Striatum; Cytidine Diphosphate Choline; Dopamine; Kinetics; Male; Neurotransmitter Agents; Norepinephrine; Rats; Serotonin; Synaptosomes; Tryptophan; Tyrosine | 1978 |
[Biochemistry of hepatic encephalopathy].
Topics: Brain Chemistry; Dopamine; Hepatic Encephalopathy; Humans; Hydroxyindoleacetic Acid; Liver Cirrhosis; Serotonin; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase; Valine | 1978 |
[Metabolic factors in the pathogenesis of consciousness disorders and coma].
Topics: Aged; Brain; Coma; Diabetic Coma; Dopamine; Hepatic Encephalopathy; Humans; Hydroxyindoleacetic Acid; Liver Cirrhosis; Middle Aged; Serotonin; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Effects of gonadectomy and hormone replacement on brain monoamine synthesis in male rats.
Topics: 5-Hydroxytryptophan; Animals; Brain; Castration; Catecholamines; Dihydroxyphenylalanine; Male; Rats; Testosterone; Time Factors; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Intrinsic fluorescence of cowpea-chlorotic-mottle-virus protein.
Topics: Hydrogen-Ion Concentration; Macromolecular Substances; Nucleoproteins; Plant Viruses; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Viral Proteins | 1979 |
Brain monoamines in hepatic encephalopathy and other types of metabolic coma.
Topics: Aged; Animals; Brain; Coma; Diabetic Coma; Female; Hepatic Encephalopathy; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine; Uremia | 1978 |
Regional changes in monoamine synthesis in the developing rat brain during hypoxia.
Topics: 5-Hydroxytryptophan; Age Factors; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Hydrazines; Hypoxia, Brain; Nitrous Oxide; Oxygen Consumption; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Insulin, plasma aminoacid imbalance, and hepatic coma.
Topics: Amino Acids; Biological Availability; Brain; Hepatic Encephalopathy; Humans; Insulin; Insulin Secretion; Liver; Liver Circulation; Liver Cirrhosis; Methionine; Muscles; Phenylalanine; Portal System; Serotonin; Tryptophan; Tyrosine | 1975 |
The histochemistry and structure of tentacle cartilage tissues in the marine polychaete, Sabella melanostigma.
Topics: Amino Acids; Animals; Annelida; Carboxylic Acids; Cartilage; Connective Tissue; Disulfides; Glycosaminoglycans; Histocytochemistry; Mucins; Proteins; Staining and Labeling; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1975 |
Immunological maturation in cell-mediated immunity in the rat: fine specificity discrimination by the cells responsible for peritoneal cell migration inhibition, and its increase with time after sensitization.
Topics: Animals; Antigens; Ascitic Fluid; Cell Migration Inhibition; Cross Reactions; Dose-Response Relationship, Drug; Epitopes; Female; Freund's Adjuvant; Haptens; Histidine; Immunity, Cellular; Injections, Intradermal; p-Azobenzenearsonate; Rats; Rats, Inbred Strains; Time Factors; Tryptophan; Tyrosine | 1975 |
Recent progress in schizophrenia research.
Topics: Adolescent; Animals; Brain; Diet; Dopamine; Female; Humans; Methylation; Rats; Schizophrenia; Serotonin; Tryptophan; Tyrosine | 1976 |
Effects of chemical modification of the protein on the antigenic activity of carcinoembryonic antigen.
Topics: Animals; Antigen-Antibody Reactions; Arginine; Binding Sites; Butanones; Carcinoembryonic Antigen; Diethyl Pyrocarbonate; Epitopes; Goats; Guanidines; Histidine; Imidazoles; Protein Binding; Protein Conformation; Tetranitromethane; Tryptophan; Tyrosine | 1976 |
Differential spectrophotometric determination of tyrosine and tryptophan in mixtures [proceedings].
Topics: Hydrogen-Ion Concentration; Spectrophotometry; Tryptophan; Tyrosine | 1976 |
Physico-chemical analogies of rat alpha-fetoprotein and rat serum albumin.
Topics: alpha-Fetoproteins; Animals; Binding Sites; Chemical Phenomena; Chemistry; Estradiol; Hydrogen-Ion Concentration; Rats; Serum Albumin; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1977 |
Tryptophan and tyrosine availability and oral contraceptives.
Topics: Adult; Biological Availability; Brain; Contraceptives, Oral; Depression; Estradiol Congeners; Ethinyl Estradiol; Female; Humans; Tryptophan; Tyrosine | 1979 |
Hyperammonaemia, plasma aminoacid imbalance, and blood-brain aminoacid transport: a unified theory of portal-systemic encephalopathy.
Topics: Amino Acids, Branched-Chain; Ammonia; Animals; Biological Transport; Blood-Brain Barrier; Brain; Dogs; Glucagon; Glutamine; Haplorhini; Hepatic Encephalopathy; Humans; Insulin; Liver Cirrhosis; Phenylalanine; Portacaval Shunt, Surgical; Rats; Tryptophan; Tyrosine | 1979 |
The lone tryptophan residue of human serum albumin as part of the specific warfarin binding site. Binding of dicoumarol to the warfarin, indole and benzodiazepine binding sites.
Topics: Benzodiazepines; Binding Sites; Binding, Competitive; Dialysis; Dicumarol; Humans; Indoles; Kinetics; Protein Binding; Serum Albumin; Tryptophan; Tyrosine; Warfarin | 1979 |
Nutritional consequences of excess amino acid intake.
Topics: Amino Acids; Animals; Brain; Dietary Proteins; Liver; Nutritional Physiological Phenomena; Phenylalanine; Protein-Energy Malnutrition; Rats; Tryptophan; Tryptophan Oxygenase; Tyrosine | 1978 |
The chemical composition and stability of bacillomycin S.
Topics: Antifungal Agents; Bacillus subtilis; Bacterial Proteins; Chemical Phenomena; Chemistry; Drug Stability; Fatty Acids; Peptides; Tryptophan; Tyrosine | 1978 |
Modification of spontaneous ECoG and behavior in cat by monoamine precursors.
Topics: 5-Hydroxytryptophan; Animals; Behavior, Animal; Biogenic Amines; Cats; Electroencephalography; Levodopa; Sleep; Tryptophan; Tyrosine | 1979 |
Alpha-methyltryptophan: effects on cerebral monooxygenases in vitro and in vivo.
Topics: Amphetamines; Animals; Brain; Fenclonine; Male; Oxygenases; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1975 |
[Histotopochemical investigations on elastic membranes of blood vessels with special regard to diabetes mellitus. I. Proteins (author's transl)].
Topics: Adult; Age Factors; Amino Acids; Animals; Arteries; Child; Diabetes Mellitus; Diabetic Angiopathies; Elastic Tissue; Elastin; Histidine; Histocytochemistry; Humans; Rats; Streptozocin; Tryptophan; Tyrosine | 1975 |
The relevance of both plasma free tryptophan and insulin to rat brain tryptophan concentration.
Topics: Animals; Blood-Brain Barrier; Brain; Diabetes Mellitus; Insulin; Male; Phenylalanine; Rats; Streptozocin; Tryptophan; Tyrosine | 1976 |
The fine structure and histochemistry of bleb-like extrusions in the microthrix border of the larval Multiceps endothoracicus.
Topics: Animals; Cestoda; Glycosaminoglycans; Histocytochemistry; Taenia; Tryptophan; Tyrosine | 1977 |
Drugs altering insulin secretion: effects on plasma and brain concentrations of aromatic amino acids and on brain 5-hydroxytryptamine turnover.
Topics: Amino Acids; Animals; Brain Chemistry; Fatty Acids, Nonesterified; Hydroxyindoleacetic Acid; Insulin; Insulin Secretion; Male; Phentolamine; Phenylalanine; Propranolol; Rats; Serotonin; Streptozocin; Tolbutamide; Tryptophan; Tyrosine | 1977 |
Histochemical similarity of senile plaque amyloid to apudamyloid.
Topics: Aged; Alzheimer Disease; Amyloid; Animals; Brain Chemistry; Dementia; Female; Histocytochemistry; Humans; Male; Mice; Middle Aged; Organ Specificity; Tryptophan; Tyrosine | 1977 |
The functional tryptophan and tyrosine residues of F1 ATPase of Micrococcus sp. ATCC 398.
Topics: Adenosine Triphosphatases; Amino Acids; Binding Sites; Bromosuccinimide; Imidazoles; Micrococcus; Tetranitromethane; Tryptophan; Tyrosine | 1978 |
Intrinsic fluorescence of mitochondrial F1-ATPase.
Topics: Adenosine Triphosphatases; Animals; Chemical Phenomena; Chemistry; In Vitro Techniques; Mitochondria, Heart; Spectrometry, Fluorescence; Swine; Tryptophan; Tyrosine | 1978 |
The plane of cleavage in human ferrihemoglobin. I. Ultraviolet difference spectroscopy.
Topics: Humans; Macromolecular Substances; Methemoglobin; Molecular Weight; Perchlorates; Protein Conformation; Spectrophotometry, Ultraviolet; Thermodynamics; Tryptophan; Tyrosine | 1975 |
Assignment of aromatic amino acid PMR resonances of horse ferrocytochrome C.
Topics: Animals; Chemical Phenomena; Chemistry; Cytochrome c Group; Deuterium; Horses; Magnetic Resonance Spectroscopy; Protons; Tryptophan; Tyrosine | 1975 |
Neurochemical aspects of post-tetanic potentiation of monosynaptic reflexes in the cat spinal cord. I. Analysis of amino acids at maximum of potentiation.
Topics: Action Potentials; Alanine; Amino Acids; Animals; Aspartic Acid; Cats; Electric Stimulation; Female; gamma-Aminobutyric Acid; Glutamine; Glycine; Isoleucine; Leucine; Male; Motor Neurons; Muscle Contraction; Reflex, Monosynaptic; Spinal Cord; Synaptic Transmission; Tryptophan; Tyrosine | 1975 |
Studies of individual carbon sites of proteins in solution by natural abundance carbon 13 nuclear magnetic resonance spectroscopy. Relaxation behavior.
Topics: Arginine; Carbon Isotopes; Cytochrome c Group; Fourier Analysis; Hemoglobins; Histidine; Magnetic Resonance Spectroscopy; Muramidase; Myoglobin; Phenylalanine; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1975 |
Role of sodium in neuronal uptake of monoamines and amino acid precursors.
Topics: 5-Hydroxytryptophan; Animals; Biological Transport; Brain; Catecholamines; Dopamine; Dose-Response Relationship, Drug; In Vitro Techniques; Models, Neurological; Norepinephrine; Rats; Sodium; Synaptic Transmission; Synaptosomes; Tryptophan; Tyrosine | 1975 |
On the functional role of pre- and postsynaptic catecholamine receptors in brain.
Topics: Animals; Apomorphine; Behavior, Animal; Brain; Clonidine; Dopamine; Hydroxylation; Mice; Motor Activity; Norepinephrine; Phenoxybenzamine; Receptors, Adrenergic; Receptors, Drug; Receptors, Neurotransmitter; Reserpine; Synapses; Tryptophan; Tyrosine; Yohimbine | 1975 |
ESR and optical absorption studies on the copper (II) interaction with aromatic amino acids.
Topics: Amino Acids; Copper; Electron Spin Resonance Spectroscopy; Histidine; Ligands; Phenylalanine; Solutions; Spectrum Analysis; Temperature; Tryptophan; Tyrosine; Water | 1976 |
1H NMR studies at 360 MHz of the aromatic amino acid residues in ferrocytochrome c-552 from Euglena gracilis.
Topics: Animals; Binding Sites; Cytochrome c Group; Euglena gracilis; Heme; Iron; Magnetic Resonance Spectroscopy; Protein Binding; Protein Conformation; Tryptophan; Tyrosine | 1977 |
Specificity of DNA basic polypeptide interactions. II+ Influence of aromatic amino acid residues investigated with agarose bound lysine copolypeptides.
Topics: Base Sequence; Binding Sites; Chemical Phenomena; Chemistry; Clostridium perfringens; DNA, Bacterial; Lysine; Micrococcus; Peptides; Phenylalanine; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine | 1977 |
Effect of different amino acids on the phosphatase system of an ectoparasite: Poecilobdella granulosa.
Topics: Adenosine Triphosphatases; Alkaline Phosphatase; Amino Acids; Animals; Arginine; Central Nervous System; Digestive System; Glucose-6-Phosphatase; Histidine; Leeches; Nucleotidases; Phenylalanine; Phosphoric Monoester Hydrolases; Stereoisomerism; Tryptophan; Tyrosine | 1977 |
Sleep and behavioral changes possibly reflecting central receptor hypersensitivity following catecholamine synthesis inhibition in man.
Topics: Behavior; Bipolar Disorder; Dopamine; Humans; Levodopa; Norepinephrine; Receptors, Neurotransmitter; Sleep; Substance Withdrawal Syndrome; Tryptophan; Tyrosine | 1977 |
[Electron paramagnetic resonance study of the products of the reaction between nitrogen oxides and several organic compounds].
Topics: Amino Acids; Butyrates; Chemical Phenomena; Chemistry; Electron Spin Resonance Spectroscopy; Fatty Acids; Nitrogen Dioxide; Nitrous Oxide; Oleic Acids; Palmitic Acids; Phenylalanine; Stearic Acids; Tryptophan; Tyrosine | 1978 |
Modification of cytochrome c: modification of aromatic amino acids, photoaffinity labels, and metal substitution.
Topics: Affinity Labels; Amino Acids; Animals; Cations, Divalent; Chemical Phenomena; Chemistry; Cytochrome c Group; Formates; Heme; Horses; Myocardium; Photochemistry; Porphyrins; Tryptophan; Tyrosine | 1978 |
Effects of antidepressant agents on the synthesis of brain monoamines.
Topics: 5-Hydroxytryptophan; Animals; Antidepressive Agents, Tricyclic; Brain; Dihydroxyphenylalanine; Dopamine; Male; Norepinephrine; Rats; Receptors, Neurotransmitter; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 1978 |
Aromatic amino acid biosynthesis: regulation of shikimate kinase in Escherichia coli K-12.
Topics: Amino Acids; Enzyme Repression; Escherichia coli; Genes; Mutation; Phenylalanine; Phosphotransferases; Phosphotransferases (Alcohol Group Acceptor); Shikimic Acid; Tryptophan; Tyrosine | 1979 |
Short-term effects of CHO, fat and protein loads on total tryptophan/tyrosine levels in plasma as related to %REM sleep.
Topics: Adolescent; Adult; Brain; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Humans; Sleep, REM; Tryptophan; Tyrosine | 1979 |
Oxidizing action of purine N-oxide esters.
Topics: Acetylation; Acetylcysteine; Carbon Radioisotopes; Chemical Phenomena; Chemistry; Chromatography, Paper; Cyclic N-Oxides; Cysteine; Esters; Guanine; Hydrogen-Ion Concentration; Iodides; Iodine; Mercaptopurine; Methionine; Oxidation-Reduction; Purines; Pyridines; Sulfates; Sulfhydryl Compounds; Tryptophan; Tyrosine; Uric Acid; Xanthines | 1975 |
Interactions of aromatic residues of proteins with nucleic acids. Fluorescence studies of the binding of oligopeptides containing tryptophan and tyrosine residues to polynucleotides.
Topics: Binding Sites; Hydrogen-Ion Concentration; Kinetics; Lysine; Nucleic Acid Conformation; Oligopeptides; Organophosphorus Compounds; Osmolar Concentration; Polynucleotides; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 1975 |
Change in the conformation of delta-chymotrypin upon binding a specific substrate at high pH.
Topics: Acetamides; Binding Sites; Chymotrypsin; Hydrogen-Ion Concentration; Kinetics; Optical Rotation; Protein Binding; Protein Conformation; Tryptophan; Tyrosine | 1975 |
The ultraviolet fluorescence spectra of DPN-linked isocitrate dehydrogenase from bovine heart.
Topics: Animals; Binding Sites; Cattle; Hydrogen-Ion Concentration; Isocitrate Dehydrogenase; Myocardium; NAD; Oxidation-Reduction; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1975 |
A study of subtilisin types Novo and Carlsberg by circular polarization of fluorescence.
Topics: Circular Dichroism; Hydrogen-Ion Concentration; Kinetics; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Subtilisins; Tryptophan; Tyrosine | 1975 |
Assignment of aromatic amino acid PMR resonances of horse ferricytochrome c.
Topics: Animals; Circular Dichroism; Cytochrome c Group; Fishes; Histidine; Horses; Hydrogen-Ion Concentration; Iron; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Conformation; Species Specificity; Tryptophan; Tyrosine | 1975 |
Temperature and pH dependent changes of immunoglobulin G structure.
Topics: Animals; Calorimetry; Circular Dichroism; Humans; Hydrogen-Ion Concentration; Immunodiffusion; Immunoglobulin G; Mathematics; Models, Molecular; Multiple Myeloma; Myeloma Proteins; Optical Rotatory Dispersion; Protein Conformation; Rabbits; Solvents; Spectrophotometry, Ultraviolet; Temperature; Thermodynamics; Tryptophan; Tyrosine | 1975 |
Purification and properties of a lipid acyl-hydrolase from potato tubers.
Topics: Binding Sites; Galactose; Glycerides; Glycolipids; Hydrogen-Ion Concentration; Kinetics; Lipase; Molecular Weight; Phosphatidylcholines; Phospholipids; Plants; Serine; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1975 |
A method for concurrent measurement of picomole quantities of acetylcholine, choline, dopamine, norepinephrine, serotonin, 5-hydroxytryptophan, 5-hydroxyindoleacetic acid, tryptophan, tyrosine, glycine, aspartate, glutamate, alanine, and gamma-aminobutyri
Topics: 5-Hydroxytryptophan; Acetylcholine; Alanine; Amino Acids; Animals; Aspartic Acid; Brain Chemistry; Choline; Chromatography, Ion Exchange; Dopamine; gamma-Aminobutyric Acid; Glutamates; Glycine; Hydroxyindoleacetic Acid; Male; Methods; Microchemistry; Neurotransmitter Agents; Norepinephrine; Rats; Serotonin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1975 |
Nuclear magnetic resonance studies of anaesthetic interactions with haemoglobin.
Topics: Chemical Phenomena; Chemistry; Hemoglobins; Histidine; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Magnetic Resonance Spectroscopy; Methoxyflurane; Phenylalanine; Protein Binding; Protein Conformation; Protons; Tryptophan; Tyrosine | 1975 |
The luminescence properties of concanavalin A.
Topics: Apoproteins; Binding Sites; Calcium; Concanavalin A; Fluorescence; Guanidines; Hydrogen-Ion Concentration; Luminescent Measurements; Magnesium; Methylglucosides; Spectrum Analysis; Temperature; Time Factors; Tryptophan; Tyrosine; Urea | 1975 |
Circular dichroism of cephalopod rhodopsin and its intermediates in the bleaching and photoregeneration process.
Topics: Animals; Circular Dichroism; Hydrogen-Ion Concentration; Light; Mollusca; Octopodiformes; Photochemistry; Protein Conformation; Radiation Effects; Retinal Pigments; Rhodopsin; Spectrum Analysis; Temperature; Tryptophan; Tyrosine | 1975 |
Aromatic amino acid transport in Yersinia pestis.
Topics: Azides; Bacterial Proteins; Biological Transport, Active; Chloramphenicol; Cyanides; Depression, Chemical; Dinitrophenols; Glucose; Hydrogen-Ion Concentration; Kinetics; Phenylalanine; Sulfhydryl Reagents; Temperature; Tritium; Tryptophan; Tyrosine; Yersinia pestis | 1975 |
Aromatic amino acid biosynthesis in Alcaligenes eutrophus H16. I. Properties and regulation of 3-deoxy-d-arabino heptulosonate 7-phosphate synthase.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Alcaligenes; Aldehyde-Lyases; Amino Acids; Cations, Divalent; Chromatography, DEAE-Cellulose; Corynebacterium; Dialysis; Drug Stability; Enzyme Repression; Feedback; Hydrogen-Ion Concentration; Kinetics; Phenylalanine; Phosphoenolpyruvate; Pseudomonas; Tetroses; Tryptophan; Tyrosine | 1975 |
Alkali-induced reduction of the beta-cytochromes in purified complex III from beef heart mitochondria.
Topics: Adenosine Triphosphate; Animals; Ascorbic Acid; Cattle; Cytochromes; Dithionite; Hydrogen-Ion Concentration; Magnesium; Methylphenazonium Methosulfate; Mitochondria, Muscle; Myocardium; Tetramethylphenylenediamine; Tryptophan; Tyrosine | 1975 |
Manipulation of neurotransmitters by acupuncture (?) (A preliminary communication).
Topics: Acupuncture Therapy; Adolescent; Adult; Age Factors; Aged; Child; Child, Preschool; Depression; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Male; Middle Aged; Neurotransmitter Agents; Tryptophan; Tyrosine; Vanillic Acid; Vanilmandelic Acid | 1975 |
Adaptation of brain monoamine synthesis to hypoxia in the rat.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Brain Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Hemoglobins; Hypoxia; Male; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1975 |
A fluorescence study of the temperature-dependent polymerization of bovine beta-casein A1.
Topics: Animals; Binding Sites; Caseins; Cattle; Female; Hydrogen-Ion Concentration; Kinetics; Macromolecular Substances; Osmolar Concentration; Protein Binding; Protein Conformation; Quantum Theory; Spectrometry, Fluorescence; Temperature; Thermodynamics; Tryptophan; Tyrosine | 1975 |
Effects of pH on the exposure of aromatic donor residues in solution topography studies of bovine trypsin by charge transfer.
Topics: Animals; Binding Sites; Bromosuccinimide; Cattle; Energy Transfer; Hydrogen-Ion Concentration; Mathematics; Niacinamide; Pancreas; Protein Binding; Protein Conformation; Spectrophotometry; Spectrophotometry, Ultraviolet; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine | 1975 |
Effect of phenylpyruvate and homogentisate on the formation of aromatic aminoacyl-tRNAs.
Topics: Animals; Brain; Cattle; Depression, Chemical; Homogentisic Acid; Phenylalanine; Phenylpyruvic Acids; RNA, Transfer; RNA, Transfer, Amino Acyl; Tryptophan; Tyrosine | 1977 |
Physical and chemical properties of lysozyme.
Topics: Amino Acid Sequence; Animals; Aspartic Acid; Egg White; Glutamates; Humans; Magnetic Resonance Spectroscopy; Models, Molecular; Muramidase; Protein Conformation; Species Specificity; Tryptophan; Tyrosine; X-Ray Diffraction | 1977 |
[A comparative analysis of the proteins of wheat, rye and Triticale T275 and T294. III. Content of tryptophan and tyrosine in gliadines and glutenines and N-end amino acids of gliadine fraction (author's transl)].
Topics: Amino Acids; Edible Grain; Gliadin; Glutens; Plant Proteins; Secale; Triticum; Tryptophan; Tyrosine | 1979 |
Structural specificity of the carrier for L-tryptophan in rat cerebral cortex slices.
Topics: Animals; Biological Transport, Active; Cerebral Cortex; In Vitro Techniques; Isoleucine; Kynurenine; Leucine; Phenylalanine; Rats; Tryptophan; Tyrosine; Valine | 1979 |
Blood-brain movements of tryptophan and tyrosine in manic-depressive illness and schizophrenia.
Topics: Adult; Bipolar Disorder; Blood-Brain Barrier; Brain; Dihydroxyphenylalanine; Humans; Middle Aged; Schizophrenia; Serotonin; Tryptophan; Tyrosine | 1979 |
Distribution of tryptophan and tyrosine in unipolar affective disorders as defined by multicompartmental analysis.
Topics: Adult; Affective Symptoms; Animals; Brain; Female; Humans; Male; Middle Aged; Rats; Tryptophan; Tyrosine | 1979 |
Kinetics of tryptophan transport across the blood-brain barrier.
Topics: Animals; Biological Transport, Active; Blood-Brain Barrier; Brain; Kinetics; Mathematics; Phenylalanine; Rats; Tryptophan; Tyrosine | 1979 |
Age related changes in the effect of electroconvulsive shock (ECS) on the in vivo hydroxylation of tyrosine and tryptophan in rat brain.
Topics: 5-Hydroxytryptophan; Aging; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benzyl Alcohols; Brain; Dihydroxyphenylalanine; Electroshock; Hydrazines; Male; Rats; Tryptophan; Tyrosine | 1977 |
Pulse radiolysis of lactate dehydrogenase.
Topics: Animals; Cattle; Enzyme Inhibitors; Free Radicals; L-Lactate Dehydrogenase; Myocardium; Pulse Radiolysis; Spectrum Analysis; Tryptophan; Tyrosine | 1977 |
Theoretical and therapeutic potential of indolamine precursors in affective disorders.
Topics: 5-Hydroxytryptophan; Amino Acids; Bipolar Disorder; Depression; Emotions; Female; Humans; Levodopa; Male; Phenylalanine; Serotonin; Sex Factors; Tryptophan; Tyrosine | 1977 |
Implication of protein aromatic amino acids in concanavalin A-carbohydrate interactions. A radiolytic study.
Topics: Cobalt Radioisotopes; Concanavalin A; Dose-Response Relationship, Radiation; Gamma Rays; Glycogen; Pulse Radiolysis; Receptors, Concanavalin A; Tryptophan; Tyrosine | 1978 |
Dependence of 5-HT and catecholamine synthesis on concentrations of precursor amino-acids in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Haloperidol; Isoleucine; Kinetics; Male; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1978 |
Monoamine metabolism during bicuculline-induced epileptic seizures in the rat.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Bicuculline; Brain; Catecholamines; Cerebellum; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Limbic System; Male; Norepinephrine; Rats; Receptors, Adrenergic; Receptors, Dopamine; Receptors, Serotonin; Seizures; Serotonin; Tryptophan; Tyrosine | 1978 |
Influence of transient ischemia on monoamine metabolism in the rat brain during nitrous oxide and phenobarbitone anaesthesia.
Topics: 5-Hydroxytryptophan; Anesthesia, Inhalation; Anesthesia, Intravenous; Animals; Brain; Catecholamines; Cerebellum; Cerebrovascular Circulation; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Ischemic Attack, Transient; Limbic System; Male; Nitrous Oxide; Norepinephrine; Phenobarbital; Rats; Serotonin; Tryptophan; Tyrosine | 1978 |
Dual action of methadone on 5-HT synthesis and metabolism.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Hydroxyindoleacetic Acid; Male; Methadone; Morphine; Naloxone; Probenecid; Rats; Serotonin; Tryptophan; Tyrosine | 1979 |
Implication of tryptophan and tyrosine in the binding of p-nitrophenyl-alpha-D-mannopyranoside by concanavalin A. A radiolytic study.
Topics: Binding Sites; Concanavalin A; Dialysis; Gamma Rays; Glycosides; Mannosides; Protein Binding; Tryptophan; Tyrosine | 1979 |
Charge transfer in peptides. Pulse radiolysis investigation of one-electron reactions in dipeptides of tryptophan and tyrosine.
Topics: Dipeptides; Electrons; Pulse Radiolysis; Spectrum Analysis; Tryptophan; Tyrosine | 1979 |
Selectively deuterated amino acid analogues. Synthesis, incorporation into proteins and NMR properties.
Topics: Amino Acids; Bacterial Proteins; Chemical Phenomena; Chemistry; Deuterium; Enzyme Repression; Escherichia coli; Histidine; Isotope Labeling; Magnetic Resonance Spectroscopy; Phenylalanine; Tryptophan; Tyrosine | 1977 |
Alteration of free serum amino acids in voles infected with Trypanosoma brucei gambiense.
Topics: Alanine; Amino Acids; Animals; Arvicolinae; Circadian Rhythm; Glutamates; Glycine; Isoleucine; Leucine; Male; Proline; Serine; Threonine; Trypanosomiasis, African; Tryptophan; Tyrosine; Valine | 1977 |
A mutant constitutive for aromatic permease.
Topics: Biological Transport, Active; Escherichia coli; Kinetics; Membrane Transport Proteins; Mutation; Species Specificity; Tryptophan; Tyrosine | 1977 |
Temperature-sensitive cell division mutants of Escherichia coli with thermolabile penicillin-binding proteins.
Topics: Carrier Proteins; Cell Division; DNA, Bacterial; Escherichia coli; Genes; Mutation; Penicillins; Suppression, Genetic; Temperature; Tryptophan; Tyrosine | 1977 |
Molecular parameters characterizing the interaction of Escherichia coli lac repressor with non-operator DNA and inducer.
Topics: Bacterial Proteins; Base Sequence; Circular Dichroism; Cysteine; DNA; Escherichia coli; Molecular Weight; Nucleic Acid Conformation; Protein Binding; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1977 |
Regulation of aromatic amino acid transport systems in Escherichia coli K-12.
Topics: Amino Acids; Biological Transport, Active; Enzyme Repression; Escherichia coli; Genes, Regulator; Glucose; Mutation; Phenylalanine; Tryptophan; Tyrosine | 1977 |
Increased antimetabolite sensitivity with variation of carbon source during growth.
Topics: Amino Acids; Antimetabolites; Citrates; Glycerol; Hexoses; Histidine; Methionine; Norleucine; Serratia marcescens; Tryptophan; Tyrosine | 1978 |
Characterization of the amino acids of bovine fibrinogen involved in the fibrinogen-thrombin interaction of the blood clotting process. Comparison with the milk clotting process.
Topics: Amino Acid Sequence; Animals; Blood Coagulation; Caseins; Cattle; Chemical Phenomena; Chemistry; Chymosin; Female; Fibrinogen; Histidine; Hydrolysis; Indicators and Reagents; Methionine; Photochemistry; Protein Conformation; Thrombin; Tryptophan; Tyrosine | 1978 |
Effect of mutation in the aromatic amino acid pathway on sporulation of Saccharomyces cerevisiae.
Topics: DNA; Genes; Mutation; Phenylalanine; Saccharomyces cerevisiae; Shikimic Acid; Spores, Fungal; Tryptophan; Tyrosine | 1978 |
Studies on modification of tryptophan, methionine, tyrosine and arginine residues of human follicle-stimulating hormone and its subunits.
Topics: Amino Acid Sequence; Arginine; Cyanogen Bromide; Follicle Stimulating Hormone; Glyoxal; Gonadotropin-Releasing Hormone; Humans; Iodides; Iodoacetates; Luteinizing Hormone; Macromolecular Substances; Methionine; Tryptophan; Tyrosine | 1979 |
Tyrosine emission in the tryptophanless azurin from Pseudomonas fluorescens.
Topics: Azurin; Bacterial Proteins; Copper; Kinetics; Oxidation-Reduction; Protein Conformation; Pseudomonas fluorescens; Species Specificity; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1977 |
Influences of exogenous intake and nitrogen balance on plasma and brain aromatic amino acid concentrations.
Topics: Amino Acids; Animals; Disease Models, Animal; Female; Liver Diseases; Nitrogen; Octopamine; Parenteral Nutrition; Phenylalanine; Portacaval Shunt, Surgical; Rats; Tryptophan; Tyrosine | 1978 |
Free and bound tryptophan in human plasma during the perinatal period.
Topics: Female; Fetal Blood; Humans; Infant, Newborn; Infant, Premature; Labor, Induced; Male; Phenylalanine; Pregnancy; Protein Binding; Serum Albumin; Tryptophan; Tyrosine | 1979 |
Conformational changes accompanying the binding of antithrombin III to thrombin.
Topics: Antithrombin III; Circular Dichroism; Heparin; Humans; Optical Rotatory Dispersion; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Thrombin; Tryptophan; Tyrosine | 1979 |
Plasma neutral amino acids in mania and depression: variation during acute and prolonged treatment with L-tryptophan.
Topics: Amino Acids; Bipolar Disorder; Female; Humans; Isoleucine; Kynurenine; Leucine; Middle Aged; Tryptophan; Tyrosine; Valine | 1979 |
The intrinsic fluorescence of isolated central-nervous-system myelin-sheath preparations.
Topics: Acrylamides; Animals; Brain; Cattle; Chloroform; In Vitro Techniques; Myelin Proteins; Myelin Sheath; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1979 |
Streptozotocin-induced diabetes in rats decreases brain tryptophan uptake after portacaval anastomosis.
Topics: Animals; Brain; Diabetes Mellitus, Experimental; Isoleucine; Leucine; Male; Phenylalanine; Portacaval Shunt, Surgical; Rats; Tryptophan; Tyrosine; Valine | 1979 |
Selective substitution of 2H and 3H into aromatic amino acids catalyzed by Raney nickel.
Topics: Chemical Phenomena; Chemistry; Deuterium; Magnetic Resonance Spectroscopy; Nickel; Phenylalanine; Tritium; Tryptophan; Tyrosine | 1979 |
A highly reactive tyrosine residue as part of the indole and benzodiazepine binding site of human serum albumin.
Topics: Benzodiazepines; Binding Sites; Humans; Indoles; Protein Binding; Protein Conformation; Serum Albumin; Sulfenic Acids; Tetranitromethane; Tryptophan; Tyrosine | 1979 |
The conformational consequences of maleylation of amino groups in ovalbumin.
Topics: Dimethyl Sulfoxide; Electrophoresis, Polyacrylamide Gel; Ethylene Glycols; Furans; Maleic Anhydrides; Ovalbumin; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Viscosity | 1979 |
Transport of tryptophan and tyrosine in rat brain slices in the presence of lithium.
Topics: Animals; Brain; Brain Stem; Cerebellum; Cerebral Cortex; In Vitro Techniques; Lithium; Rats; Tryptophan; Tyrosine | 1979 |
The effect of pronounced hypoglycemia on monoamine metabolism in rat brain.
Topics: Animals; Biogenic Amines; Brain; Dopamine; Energy Metabolism; Hydroxyindoleacetic Acid; Hypoglycemia; Insulin; Male; Norepinephrine; Rats; Serotonin; Tissue Distribution; Tryptophan; Tyrosine | 1979 |
Chromatin fractionation procedure that yields nucleosomes containing near-stoichiometric amounts of high mobility group nonhistone chromosomal proteins.
Topics: Amino Acids; Animals; Chromatin; Chromosomal Proteins, Non-Histone; DNA, Neoplasm; DNA, Single-Stranded; Histones; Mice; Mice, Inbred BALB C; Multiple Myeloma; Neoplasms, Experimental; Nucleic Acid Denaturation; Ribonucleases; RNA, Neoplasm; Tryptophan; Tyrosine | 1979 |
Transfer of singlet energy within trypsin.
Topics: Energy Transfer; Guanidines; Protein Conformation; Quantum Theory; Spectrometry, Fluorescence; Trypsin; Tryptophan; Tyrosine | 1979 |
Elevation of plasma tyrosine after a single oral dose of L-tyrosine.
Topics: Administration, Oral; Adolescent; Adult; Blood-Brain Barrier; Humans; Kinetics; Tryptophan; Tyrosine | 1979 |
[Laboratory tests for aromatic amino acid metabolism].
Topics: Humans; Methods; Phenylalanine; Tryptophan; Tyrosine | 1979 |
Creatine kinase. Nuclear magnetic resonance and fluorescence evidence for interaction of adenosine 5'-diphosphate with aromatic residue(s).
Topics: Adenosine Diphosphate; Animals; Binding Sites; Creatine Kinase; Fourier Analysis; Kinetics; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Binding; Protein Conformation; Rabbits; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1979 |
The conversion of [3H] tryptophan to 5-[3H] hydroxytryptamine in mouse brain following depletion of phenylalanine and tyrosine.
Topics: Ammonia-Lyases; Animals; Biological Transport; Brain; Dopamine; Kinetics; Mice; Norepinephrine; Phenylalanine; Phenylalanine Ammonia-Lyase; Serotonin; Tritium; Tryptophan; Tyrosine | 1979 |
[The evaluation of the kinetic constants of enzyme-catalysed reaction with the use of integrated rate equation (author's transl)].
Topics: Ammonia-Lyases; Chymotrypsin; Dipeptides; Histidine; Histidine Ammonia-Lyase; Humans; Hydrolysis; Kinetics; Lysine; Models, Biological; Phenylalanine; Regression Analysis; Substrate Specificity; Trypsin; Tryptophan; Tyrosine | 1979 |
Specific sulfonation of tyrosine, tryptophan and hydroxy-amino acids in peptides.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Peptides; Protein Binding; Serine; Sulfonic Acids; Sulfuric Acids; Threonine; Tryptophan; Tyrosine | 1979 |
Linkage analysis using heterozygote detection in phenylketonuria.
Topics: Chromosome Mapping; Ethnicity; Female; Genetic Carrier Screening; Genetic Linkage; Heterozygote; Humans; Male; Pedigree; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1979 |
Regional brain studies on indoles and tyrosine in Mongolian gerbils during nutrition with artificial mixtures high in branched chain amino acids compared to a protein rich diet.
Topics: Amino Acids, Branched-Chain; Animals; Brain; Diet; Dietary Proteins; Gerbillinae; Hydroxyindoleacetic Acid; Indoles; Nutritional Physiological Phenomena; Organ Specificity; Serotonin; Tryptophan; Tyrosine | 1979 |
Charge-transfer and water-mediated adsorption. III. Adsorption on tryptophan-substituted Sephadex and Sepharose.
Topics: Amino Acids; Cellulase; Chromatography, Affinity; Chromatography, Gel; Sepharose; Tryptophan; Tyrosine | 1979 |
Histochemical and biophysical study of cuticle sclerotization in Pycnoscelus surinamensis L. (Blattaria).
Topics: Animals; Histocytochemistry; Indoles; Insecta; Phenols; Tryptophan; Tyrosine | 1979 |
Aromatic amino acids in amniotic fluid samples analyzed by reversed-phase liquid chromatography with spectrophotometric detection.
Topics: Amniotic Fluid; Chromatography, Liquid; Female; Humans; Pregnancy; Prenatal Diagnosis; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1979 |
Rapid liquid chromatographic determination of tryptophan, tyrosine, 5-hydroxyindoleacetic acid and homovanillic acid in cerebrospinal fluid.
Topics: Chromatography, Liquid; Homovanillic Acid; Humans; Indoleacetic Acids; Time Factors; Tryptophan; Tyrosine | 1979 |
Decreased foetal amino acid uptake, brain pyruvate kinase and intrauterine damage in maternal PKU.
Topics: Amino Acids; Animals; Brain; Female; Fetus; Hexokinase; Humans; Maternal-Fetal Exchange; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Pyruvate Kinase; Rats; Succinate Dehydrogenase; Tryptophan; Tyrosine | 1977 |
Effects of dietary tyrosine, phenylalanine, and tryptophan on aggression in mice.
Topics: Aggression; Animals; Diet; Humans; Male; Mice; Motor Activity; Phenylalanine; Tryptophan; Tyrosine | 1977 |
Conformational changes, dynamics and assignments in 1H NMR studies of proteins using ring current calculations. Hen egg white lysozyme.
Topics: Acetylglucosamine; Animals; Chickens; Computers; Egg White; Ligands; Magnetic Resonance Spectroscopy; Muramidase; Protein Binding; Protein Conformation; Tryptophan; Tyrosine | 1977 |
Fatty acid and tryptophan changes on disturbing groups of rats and caging them singly.
Topics: Animals; Brain; Corticosterone; Fatty Acids, Nonesterified; Humans; Hydroxyindoleacetic Acid; Male; Rats; Serotonin; Social Environment; Social Isolation; Stress, Psychological; Time Factors; Tryptophan; Tyrosine | 1977 |
Alteration in serum tyrosine and tryptophan concentrations associated with the induction of physical dependence on ethanol in mice.
Topics: Alcoholism; Animals; Humans; Male; Mice; Substance Withdrawal Syndrome; Tryptophan; Tyrosine | 1978 |
Diurnal variations in plasma concentrations of tryptophan, tryosine, and other neutral amino acids: effect of dietary protein intake.
Topics: Adult; Alanine; Amino Acids; Circadian Rhythm; Dietary Proteins; Glycine; Humans; Isoleucine; Leucine; Male; Middle Aged; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1979 |
Diurnal variations in plasma neutral amino acid concentrations among patients with cirrhosis: effect of dietary protein.
Topics: Adult; Aged; Amino Acids; Circadian Rhythm; Dietary Proteins; Hepatic Encephalopathy; Humans; Isoleucine; Leucine; Liver Cirrhosis, Alcoholic; Male; Methionine; Middle Aged; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1979 |
[Metabolism of amino acids and brain proteins in phenylketonuria].
Topics: Animals; Brain; Catecholamines; Chemical Phenomena; Chemistry; Glycolysis; Humans; Nerve Tissue Proteins; Phenylalanine; Phenylketonurias; Pyridoxine; Serotonin; Tryptophan; Tyrosine | 1979 |
Pyrrolo[1,4]benzodiazepine antibiotics. Biosynthesis of the antitumor antibiotic sibiromycin by Streptosporangium sibiricum.
Topics: Actinomycetales; Antibiotics, Antineoplastic; Carbon Radioisotopes; Isotope Labeling; Methionine; Structure-Activity Relationship; Tritium; Tryptophan; Tyrosine | 1979 |
Fluorescent study of tobacco mosaic virus protein.
Topics: Mathematics; Mosaic Viruses; Mutation; Plant Viruses; Protein Conformation; Species Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tobacco Mosaic Virus; Tryptophan; Tyrosine; Viral Proteins | 1977 |
The states of tyrosyl and tryptophyl residues in a protein proteinase inhibitor (Streptomyces subtilisin inhibitor.
Topics: Bacterial Proteins; Kinetics; Protein Conformation; Spectrophotometry, Ultraviolet; Streptomyces; Subtilisins; Tryptophan; Tyrosine | 1977 |
[Selective photooxidation of methionine, tyrosine and tryptophane using thionine and toluidine blue as sensitizers (author's transl)].
Topics: Amino Acids; Ergothioneine; Methionine; Oxidation-Reduction; Photic Stimulation; Photosynthesis; Tolonium Chloride; Tryptophan; Tyrosine | 1977 |
Effect of aromatic acids on the influx of aromatic amino acids in rat brain slices.
Topics: Animals; Brain; Dose-Response Relationship, Drug; Homogentisic Acid; In Vitro Techniques; Kinetics; Phenylalanine; Phenylpyruvic Acids; Rats; Tryptophan; Tyrosine | 1977 |
A study of plasma tryptophan and tyrosine in mania.
Topics: Adolescent; Adult; Aged; Bipolar Disorder; Diet; Female; Humans; Middle Aged; Protein Binding; Remission, Spontaneous; Tryptophan; Tyrosine | 1977 |
[The level and circadian rhythm of plasma tryptophan, tyrosine and cortisol in manic-depressive patients and its clinical significances (author's transl)].
Topics: Adolescent; Adult; Aged; Bipolar Disorder; Circadian Rhythm; Female; Humans; Hydrocortisone; Imipramine; In Vitro Techniques; Male; Middle Aged; Tryptophan; Tyrosine | 1977 |
Use of energy transfer to assay the association of proteins with lipid membranes.
Topics: Energy Transfer; Kinetics; Membranes, Artificial; Phospholipids; Protein Binding; Proteins; Spectrometry, Fluorescence; Trypsin; Tryptophan; Tyrosine | 1977 |
[Uptake of tryptophan and tyrosine in some cases of manic depressive psychosis and schizophrenia (author's transl)].
Topics: Bipolar Disorder; Brain; Humans; Protein Binding; Schizophrenia; Tryptophan; Tyrosine | 1978 |
Riboflavin binding in egg-white flavoprotein: the role of tryptophan and tyrosine.
Topics: Flavoproteins; Indocyanine Green; Ovalbumin; Protein Binding; Riboflavin; Spectrophotometry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1978 |
Increase in large neutral amino acid transport into brain by insulin.
Topics: Amino Acids; Animals; Brain; Fatty Acids, Nonesterified; Glucose; Insulin; Isoleucine; Leucine; Male; Phenylalanine; Rats; Tryptophan; Tyrosine; Valine | 1978 |
Tryptophan excretion by a bradytroph of Hansenula polymorpha growing in methanol.
Topics: Ascomycota; Chorismate Mutase; Methanol; Mutation; Phenylalanine; Pichia; Tryptophan; Tyrosine | 1978 |
The conformation of cardiotoxins and neurotoxins from snake venoms.
Topics: Animals; Circular Dichroism; Cobra Cardiotoxin Proteins; Cobra Neurotoxin Proteins; Elapid Venoms; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1978 |
Non-tryptophan fluorescence associated with human lens protein; apparent complexity and isolation of bityrosine and anthranilic acid.
Topics: Cataract; Crystallins; Humans; Lens, Crystalline; ortho-Aminobenzoates; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1978 |
On the stimulation of the rate of hydroxylation of tryptophan in the brain of hamsters during hibernation.
Topics: Animals; Brain; Cricetinae; Hibernation; Kinetics; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1978 |
Changes in brain tryptophan and tyrosine following acute and chronic morphine administration.
Topics: Animals; Brain Chemistry; Male; Morphine; Naloxone; Rats; Time Factors; Tryptophan; Tyrosine | 1978 |
Phenylketonuria heterozygote detection in families with affected children.
Topics: Ethnicity; Female; Genetic Counseling; Heterozygote; Humans; Indiana; Male; Michigan; Pedigree; Phenylalanine; Phenylketonurias; Pregnancy; Selection, Genetic; Sex Factors; Tryptophan; Tyrosine | 1978 |
A photochemically induced dynamic nuclear polarization study of pancreatic phospholipase A2. NMR assignment of some aromatic residues.
Topics: Binding Sites; Magnetic Resonance Spectroscopy; Pancreas; Phospholipases; Photochemistry; Tryptophan; Tyrosine | 1978 |
[Biosynthesis of reserpine-like substances in myocardium and other human and animal tissues].
Topics: Acetates; Adult; Animals; Cell-Free System; Death, Sudden; Histidine; Humans; Liver; Microsomes, Liver; Middle Aged; Myocardium; N-Formylmethionine; Organ Specificity; Rats; Reserpine; S-Adenosylmethionine; Tryptophan; Tyrosine | 1978 |
Identification of hydrogen peroxide as a photoproduct toxic to human cells in tissue-culture medium irradiated with "daylight" fluorescent light.
Topics: Catalase; Cell Line; Cell Survival; Culture Media; Hydrogen Peroxide; Light; Riboflavin; Tryptophan; Tyrosine | 1978 |
Tyrosinate fluorescence maxima at 345 nm in proteins lacking tryptophan at pH 7.
Topics: Elapid Venoms; Peptides; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1978 |
Determination of the intramolecular tyrosine-tryptophan distance in a 7-peptide related to the C-terminal sequence of cholecystokinin.
Topics: Amino Acid Sequence; Cholecystokinin; Energy Transfer; Molecular Conformation; Peptides; Tryptophan; Tyrosine | 1978 |
The effect of delta9-tetrahydrocannabinol on the conversion of [3H]trypotphan to 5-[3H] hydroxytryptamine in the mouse brain.
Topics: Animals; Brain; Dronabinol; In Vitro Techniques; Male; Mice; Mice, Inbred ICR; Serotonin; Synaptosomes; Tryptophan; Tyrosine | 1978 |
Second-derivative spectroscopy of proteins. A method for the quantitative determination of aromatic amino acids in proteins.
Topics: Phenylalanine; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1978 |
Phosphoenolpyruvate carboxykinase (guanosine triphosphate) from rat liver cytosol. Separation of homogeneous forms of the enzyme with high and low activity by chromatography on agarose-hexane-guanosine triphosphate.
Topics: Adenosine Triphosphate; Animals; Chromatography, Affinity; Cysteine; Cytosol; Dithionitrobenzoic Acid; Guanosine Triphosphate; Kinetics; Ligands; Liver; Phosphoenolpyruvate Carboxykinase (GTP); Rats; Tryptophan; Tyrosine | 1978 |
Post-natal changes in the transport of aromatic amino acids into the brain [proceedings].
Topics: Aging; Amino Acids; Animals; Biological Transport; Brain; Phenylalanine; Rats; Tryptophan; Tyrosine | 1978 |
Mitochondrial and cytosolic aspartate aminotransferase from chicken: activity toward aromatic amino acids.
Topics: Animals; Aspartate Aminotransferases; Chickens; Cytosol; Kinetics; Mitochondria, Heart; Myocardium; Phenylalanine; Substrate Specificity; Tryptophan; Tyrosine | 1978 |
Neurotensin and its amide analogue [Gln4]-neurotensin: effects on brain monoamine turnover.
Topics: Animals; Behavior, Animal; Biogenic Amines; Brain; Hydroxylation; Injections, Intraventricular; Male; Neurotensin; Rats; Tryptophan; Tyrosine | 1978 |
Removal of t-butyl and t-butoxycarbonyl protecting groups with trifluoroacetic acid. Mechanisms, biproduct formation and evaluation of scavengers.
Topics: Alkylation; Chemical Phenomena; Chemistry; Fluoroacetates; Methionine; Peptides; Sulfonium Compounds; Trifluoroacetic Acid; Tryptophan; Tyrosine | 1978 |
Surface topography of immunoglobulin molecules. I. Accessibility of aromatic chromophores of rabbit IgG.
Topics: Animals; Immunoglobulin G; Polysorbates; Protein Conformation; Rabbits; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1978 |
Identification of biological molecules in situ at high resolution via the fluorescence excited by a scanning electron beam.
Topics: Animals; Antibodies; Cattle; Cell Line; Cell Nucleus; Coliphages; DNA; DNA, Bacterial; DNA, Viral; Escherichia coli; Male; Microscopy, Fluorescence; Nucleic Acids; Proteins; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spermatozoa; Tryptophan; Tyrosine | 1976 |
4-Fluorotryptophan alkaline phosphatase from E. coli: preparation, properties, and 19F NMR spectrum.
Topics: Alkaline Phosphatase; Binding Sites; Escherichia coli; Kinetics; Magnetic Resonance Spectroscopy; Protein Binding; Protein Conformation; Tryptophan; Tyrosine | 1976 |
Isolation and genetic analysis of amber uvrA and uvrB mutants.
Topics: Bacterial Proteins; Escherichia coli; Genes; Mutation; Plasmids; Radiation Effects; Suppression, Genetic; Temperature; Transduction, Genetic; Tryptophan; Tyrosine; Ultraviolet Rays | 1976 |
The modification of tyrosyl residues in L-asparaginases and ribonuclease a with Fremy's salt. Implication of tyrosyl residues in the activity of L-asparaginases from E. coli B and Erwinia carotovora.
Topics: Asparaginase; Binding Sites; Erwinia; Escherichia coli; Indicators and Reagents; Nitroso Compounds; Protein Conformation; Ribonucleases; Spectrometry, Fluorescence; Spectrum Analysis; Sulfites; Tryptophan; Tyrosine | 1975 |
Hepatic failure coma (HFC) treated by polyacrylonitrile membrane (PAN) hemodialysis (HD).
Topics: Acrylic Resins; Adolescent; Adult; Aged; Animals; Cerebral Cortex; Dopamine; Female; Hepatic Encephalopathy; Humans; Hypothalamus; Ischemia; Liver; Male; Membranes, Artificial; Mesencephalon; Middle Aged; Nitriles; Norepinephrine; Octopamine; Pons; Renal Dialysis; Serotonin; Swine; Tryptophan; Tyrosine | 1976 |
A recombination-dependent replicating instability in Salmonella typhimurium.
Topics: DNA Replication; Mutation; Phenylalanine; Recombination, Genetic; Salmonella typhimurium; Tryptophan; Tyrosine | 1976 |
The regulation of diaminopimelate decarboxylase activity in Escherichia coli strain w.
Topics: Aspartate Kinase; Carboxy-Lyases; Diaminopimelic Acid; Enzyme Repression; Escherichia coli; Lysine; Mutation; Phenylalanine; Pyridoxine; Stereoisomerism; Threonine; Tryptophan; Tyrosine | 1976 |
Azide-dependent mutants in E. coli K12.
Topics: Azides; Chromosome Mapping; Escherichia coli; Genes; Mutation; Operon; Phenylalanine; Threonine; Tryptophan; Tyrosine | 1976 |
The role of plasma amino acids in hepatic encephalopathy.
Topics: Albumins; Amino Acids; Ammonia; Animals; Arginine; Blood Urea Nitrogen; Dogs; Glucose; Glutamates; Hepatic Encephalopathy; Isoleucine; Leucine; Liver Function Tests; Methionine; Parenteral Nutrition; Phenylalanine; Portacaval Shunt, Surgical; Threonine; Tryptophan; Tyrosine; Valine | 1975 |
Luminescence studies on Bence-Jones proteins and light chains of immunoglobulins and their subunits.
Topics: Bence Jones Protein; Humans; Immunoglobulin Fragments; Immunoglobulin Light Chains; Luminescent Measurements; Macromolecular Substances; Myeloma Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1976 |
Testing the protein error hypothesis of ageing in Drosophila.
Topics: Aging; Animals; Drosophila melanogaster; Ethionine; Half-Life; Male; Phenylalanine; Proteins; Tryptophan; Tyrosine | 1976 |
Amino acid concentration in plasma after gastro-intestinal, intraportal and intravenous administration of crystalline amino acids. Preliminary report.
Topics: Amino Acids; Animals; Aspartic Acid; Dogs; Glutamates; Injections; Intestinal Mucosa; Leucine; Liver; Parenteral Nutrition; Portal Vein; Stomach; Tryptophan; Tyrosine | 1976 |
[Structural and metabolic changes occuring during the contractile activity of isolated muscle fibers; microspectrophotometric study with polarized light of the ultraviolet region].
Topics: Adenosine Triphosphate; Animals; Muscle Contraction; Muscle Proteins; Muscles; Myocardium; Protein Conformation; Spectrophotometry, Ultraviolet; Spectrum Analysis; Tryptophan; Tyrosine | 1976 |
Electronic energy transfer between tyrosine and tryptophan in the peptides Trp-(Pro)n-Tyr.
Topics: Energy Transfer; Mathematics; Peptides; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1977 |
Fluorescence of proteins in aqueous neutral salt solutions. I. Influence of anions.
Topics: Anions; Chemical Phenomena; Chemistry; Fibrinogen; Mathematics; Methods; Muramidase; Papain; Proteins; Ribonucleases; Serum Albumin, Bovine; Spectrometry, Fluorescence; Trypsin; Tryptophan; Tyrosine | 1977 |
Transport of tyrosine, phenylalanine, tryptophan and glycine in neuroblastoma clones.
Topics: Amino Acids; Biological Transport; Clone Cells; Dinitrophenols; Glycine; Kinetics; Neuroblastoma; Phenylalanine; Sodium; Temperature; Tryptophan; Tyrosine | 1977 |
[Effect of urethane (DAB-6 product), hexobarbital-Na and pentobarbital-Na on the amino acid concentrations in blood serum of rats. I. Communication (author's transl)].
Topics: Amino Acids; Animals; Arginine; Chromatography, Ion Exchange; Hexobarbital; Isoleucine; Leucine; Lysine; Male; Methionine; Methods; Ornithine; Pentobarbital; Phenylalanine; Rats; Taurine; Tryptophan; Tyrosine; Urethane | 1977 |
Biochemical characterization of lac repressor proteins produced by suppression of two amber mutations.
Topics: Amino Acid Sequence; Codon; Genes, Regulator; Lactose; Mutation; Proteins; Tryptophan; Tyrosine | 1977 |
Quenching of the tyrosyl and tryptophyl fluorescence of subtilisins Carlsberg and Novo by iodide.
Topics: Energy Transfer; Mathematics; Protein Conformation; Spectrometry, Fluorescence; Subtilisins; Tryptophan; Tyrosine | 1977 |
Co-oligopeptides of aromatic amino acids and glycine with variable distance between the aromatic residues. VII. Enzymatic synthesis of N-protected peptide amides.
Topics: Amides; Chemical Phenomena; Chemistry, Physical; Chymotrypsin; Glycine; Oligopeptides; Phenylalanine; Tryptophan; Tyrosine | 1977 |
Daily variations of various parameters of serotonin metabolism in the rat brain. II. Circadian variations in serum and cerebral tryptophan levels: lack of correlation with 5-HT turnover.
Topics: Amino Acids; Animals; Cerebral Cortex; Circadian Rhythm; Fatty Acids, Nonesterified; Hydroxyindoleacetic Acid; Light; Male; Rats; Serotonin; Tryptophan; Tyrosine | 1977 |
Optical and hydrodynamic studies of the structure of bacteriophage f2. II. Fluorescence of the capsid.
Topics: Capsid; Chemical Phenomena; Chemistry; Coliphages; Protein Denaturation; RNA, Viral; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine; Viral Proteins | 1977 |
Tryptophan and 5-hydroxytryptamine metabolism in the immature rat brain during recovery from asphyxia.
Topics: Aging; Animals; Asphyxia; Blood Proteins; Brain; Brain Chemistry; Female; Hydroxyindoleacetic Acid; Male; Protein Binding; Rats; Serotonin; Tryptophan; Tyrosine | 1977 |
Concerning the metalloenzyme ascorbate oxidase.
Topics: Apoenzymes; Ascorbate Oxidase; Centrifugation, Density Gradient; Chemical Phenomena; Chemistry; Chromatography, Gel; Copper; Electrophoresis, Polyacrylamide Gel; Isoelectric Focusing; Molecular Weight; Oxidoreductases; Plants; Proteins; Sodium Dodecyl Sulfate; Tryptophan; Tyrosine | 1977 |
Midbrain raphe lesion in the newborn rat: II. Biochemical alterations in serotoninergic innervation.
Topics: Adenylyl Cyclases; Age Factors; Animals; Brain; Cerebral Cortex; Corpus Striatum; Dopamine; Female; Hippocampus; Hydroxyindoleacetic Acid; Hypothalamus; Male; Mesencephalon; Monoamine Oxidase; Norepinephrine; Rats; Serotonin; Synaptosomes; Tryptophan; Tyrosine | 1977 |
Evidence that only free serum tryptophan exchanges with the brain.
Topics: Animals; Brain; Male; Rats; Time Factors; Tryptophan; Tyrosine | 1977 |
The determination of tryptophan and tyrosine in native proteins on the basis of inner filter effect in spectrofluorimetry.
Topics: Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1977 |
Fluorescence characteristics of native and denatured monellin.
Topics: Guanidines; Plant Proteins; Protein Binding; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Urea | 1977 |
The influence of temperature and urea on intrinsic fluorescence of Streptomyces subtilisin inhibitor. A study by fluorescence polarization and quenching.
Topics: Bacterial Proteins; Binding Sites; Kinetics; Mathematics; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Streptomyces; Subtilisins; Temperature; Thermodynamics; Tryptophan; Tyrosine; Urea | 1977 |
Heterogeneity in the circular polarization of protein fluorescence [proceedings].
Topics: Luminescence; Protein Conformation; Tryptophan; Tyrosine | 1977 |
The pathways of oxalate formation from phenylalanine, tyrosine, tryptophan and ascorbic acid in the rat.
Topics: Animals; Ascorbic Acid; Carbon Dioxide; Carbon Radioisotopes; Isotope Labeling; Kinetics; Male; Oxalates; Phenylalanine; Rats; Respiration; Tryptophan; Tyrosine | 1977 |
Second derivative spectrophotometry as an effective tool for examining phenylalanine residues in proteins.
Topics: Phenylalanine; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1977 |
Chemiluminescence response of human leukocytes: influence of medium components on light production.
Topics: Culture Media; Cysteine; Dose-Response Relationship, Drug; Gelatin; Humans; Light; Luminescent Measurements; Neutrophils; Phagocytosis; Phenolsulfonphthalein; Tryptophan; Tyrosine; Zymosan | 1977 |
The effect of intracerebroventricularly administered GABA on brain monoamine metabolism.
Topics: Aminobutyrates; Analysis of Variance; Animals; Brain; Cerebral Ventricles; Dopamine; gamma-Aminobutyric Acid; Hydroxyindoleacetic Acid; Male; Norepinephrine; Rats; Tryptophan; Tyrosine | 1977 |
Stability of phage T4 lysozymes. I. Native properties and thermal stability of wild type and two mutant lysozymes.
Topics: Circular Dichroism; Coliphages; Hot Temperature; Muramidase; Mutation; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine | 1977 |
Determination of simultaneous turnover of serotonin, dopamine and norepinephrine in the telencephalon of unrestrained behaving rats.
Topics: Animals; Dopamine; Male; Norepinephrine; Rats; Serotonin; Telencephalon; Tryptophan; Tyrosine | 1977 |
[Current concepts concerning endogenous blastomogenic substances].
Topics: Carcinogens; Female; Humans; Lymphoma; Male; Metabolic Diseases; Tryptophan; Tyrosine | 1977 |
Triplet state energy transfer in several proteins.
Topics: Energy Transfer; Macromolecular Substances; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1977 |
The effect of alpha-melanocyte stimulating hormone (alpha-msh) on the metabolism of biogenic amines in the rat brain.
Topics: Animals; Biogenic Amines; Brain; Dopamine; Male; Melanocyte-Stimulating Hormones; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1976 |
Inhibition by albumin of tryptophan uptake by rat brain.
Topics: Amino Acids; Animals; Binding, Competitive; Biological Transport; Brain; Carrier Proteins; Depression, Chemical; Diffusion; Rats; Serum Albumin; Tryptophan; Tyrosine | 1976 |
Possible role of insulin in the transport of tyrosine and tryptophan from blood to brain.
Topics: Animals; Blood-Brain Barrier; Brain; Glucose; Insulin; Male; Rats; Serum Albumin; Tryptophan; Tyrosine | 1976 |
The daily rhythm of plasma tryptophan and tyrosine in depression.
Topics: Acute Disease; Adjustment Disorders; Adult; Antidepressive Agents; Circadian Rhythm; Female; Humans; Male; Remission, Spontaneous; Sex Factors; Tryptophan; Tyrosine | 1976 |
Monamines in brain and urine of rats with hereditary hypothalamic diabetes insipidus.
Topics: Animals; Biogenic Amines; Brain Chemistry; Diabetes Insipidus; Dopamine; gamma-Aminobutyric Acid; Hypothalamus; Male; Norepinephrine; Organ Size; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1976 |
On the interaction of oligopeptides containing aromatic amino acids with DNA in aqueous solution.
Topics: Binding Sites; DNA; Kinetics; Lysine; Nucleic Acid Conformation; Oligopeptides; Protein Binding; Structure-Activity Relationship; Tryptophan; Tyrosine; Viscosity | 1976 |
Regional brain indoleamine metabolism following chronic portacaval anastomosis in the rat.
Topics: Animals; Brain; Disease Models, Animal; Fatty Acids; Histidine; Hydroxyindoleacetic Acid; Hypothalamus; Isoleucine; Leucine; Liver Cirrhosis; Phenylalanine; Portacaval Shunt, Surgical; Rats; Serotonin; Tryptophan; Tyrosine; Valine | 1976 |
[Morphologic changes in the urinary bladder of mice induced by metabolites of tryptophan and tyrosine].
Topics: 3-Hydroxyanthranilic Acid; Acetophenones; Acrylates; Animals; Carcinogens; Indoles; Lactates; Mice; Mice, Inbred C57BL; Mice, Inbred Strains; Neoplasms, Experimental; Papilloma; Phenols; Phenylpyruvic Acids; Precancerous Conditions; Tryptophan; Tyrosine; Urinary Bladder Neoplasms | 1976 |
Nanosecond-pulse fluorimetry of wheat-germ agglutinin (lectin).
Topics: Binding Sites; Carbohydrates; Energy Transfer; Lectins; Mathematics; Plant Lectins; Protein Binding; Protein Conformation; Seeds; Spectrometry, Fluorescence; Time Factors; Triticum; Tryptophan; Tyrosine | 1976 |
Chemistry of growth hormone.
Topics: Amino Acid Sequence; Animals; Cattle; Cetacea; Chemical Phenomena; Chemistry; Chemistry, Physical; Disulfides; Dogs; Ducks; Fishes; Growth Hormone; Horses; Humans; Methionine; Peptide Chain Termination, Translational; Rats; Sheep; Swine; Tryptophan; Turtles; Tyrosine | 1976 |
The effect of a tetracyclic antidepressant compound, Org GB94, on the turnover of biogenic amines in rat brain.
Topics: Animals; Antidepressive Agents; Brain; Brain Stem; Cerebellum; Cerebral Cortex; Dibenzazepines; Dopamine; Male; Mesencephalon; Mianserin; Norepinephrine; Organ Specificity; Rats; Serotonin; Tryptophan; Tyrosine | 1976 |
Lowering brain phenylalanine levels by giving other large neutral amino acids. A new experimental therapeutic approach to phenylketonuria.
Topics: Amino Acids; Animals; Brain Chemistry; Dose-Response Relationship, Drug; Drug Combinations; Humans; Isoleucine; Leucine; Phenylalanine; Phenylketonurias; Rats; Threonine; Tryptophan; Tyrosine; Valine | 1976 |
[Seasonal rhythm of free tryptophan and nonesterified fatty acids in the blood of healthy subjects (author's transl)].
Topics: Adult; Fatty Acids, Nonesterified; Humans; Male; Middle Aged; Seasons; Tryptophan; Tyrosine | 1976 |
Preparation of selectively deuterated aromatic amino acids for use in 1H NMR studies of proteins.
Topics: Deuterium; Histidine; Isotope Labeling; Magnetic Resonance Spectroscopy; Phenylalanine; Tryptophan; Tyrosine | 1976 |
Insulin coma therapy: decrease of plasma tryptophan in man.
Topics: Adult; Convulsive Therapy; Fatty Acids, Nonesterified; Female; Glucose; Humans; Hypoglycemia; Insulin Coma; Male; Schizophrenia; Tryptophan; Tyrosine | 1976 |
Precursors and metabolites of 5-hydroxytryptamine and dopamine in the ventricular cerebrospinal fluid of psychiatric patients.
Topics: Adult; Aged; Anxiety Disorders; Brain Diseases; Cerebral Ventricles; Depression; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mental Disorders; Middle Aged; Obsessive-Compulsive Disorder; Phenylacetates; Schizophrenia; Tryptophan; Tyrosine | 1976 |
Ultraviolet difference spectral studies of human serotransferrin and lactotransferrin.
Topics: Apoproteins; Humans; Lactoferrin; Lactoglobulins; Molecular Weight; Protein Conformation; Solvents; Spectrophotometry, Ultraviolet; Transferrin; Tryptophan; Tyrosine | 1976 |
Circular dichroism and difference spectra of members of the troponin-tropomyosin system in cetyltrimethylammonium bromide.
Topics: Cetrimonium Compounds; Circular Dichroism; Molecular Conformation; Muscle Proteins; Phenylalanine; Protein Binding; Protein Conformation; Quaternary Ammonium Compounds; Spectrophotometry, Ultraviolet; Tropomyosin; Troponin; Tryptophan; Tyrosine | 1976 |
Some properties of the low molecular weight alpha-crystallin from normal human lens: comparison with bovine lens.
Topics: Adult; Aged; Amino Acids; Animals; Calcium; Cattle; Chromatography, Gel; Circular Dichroism; Crystallins; Guanidines; Humans; Lens, Crystalline; Leucyl Aminopeptidase; Middle Aged; Molecular Weight; Tryptophan; Tyrosine | 1976 |
Monoamine metabolism in the isolated perfused rat brain.
Topics: Acetoacetates; Animals; Brain; Dopamine; Glucose; Male; Norepinephrine; Perfusion; Phenylalanine; Rats; Serotonin; Tranylcypromine; Tryptophan; Tyrosine | 1976 |
Investigations of the complement-fixing sites of immunoglobulins.
Topics: Amino Acid Sequence; Arginine; Binding Sites; Chemical Phenomena; Chemistry; Complement System Proteins; Humans; Immunoglobulin G; Immunoglobulin M; Tryptophan; Tyrosine | 1976 |
The effect of mixed aqueous solvent systems on the fluorescence of indoles and aromatic amino acids and their metabolites.
Topics: Indoles; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1976 |
Biopterin derivatives in normal and phenylketonuric patients after oral loads of L-phenylalanine, L-tyrosine, and L-tryptophan.
Topics: Administration, Oral; Adolescent; Adult; Biopterins; Child, Preschool; Chromatography, Thin Layer; Humans; Infant; Infant, Newborn; Phenylalanine; Phenylketonurias; Pteridines; Tryptophan; Tyrosine | 1976 |
Tryptophan concentrations in rat brain. Failure to correlate with free serum tryptophan or its ratio to the sum of other serum neutral amino acids.
Topics: Amino Acids; Animals; Brain; Diet; Dietary Fats; Male; Rats; Tryptophan; Tyrosine | 1976 |
Detection of new temperature-dependent conformational transition in lysozyme by carbon-13 nuclear magnetic resonance spectroscopy.
Topics: Carbon Isotopes; Egg White; Magnetic Resonance Spectroscopy; Muramidase; Protein Conformation; Temperature; Tryptophan; Tyrosine | 1975 |
Regulation of 5-hydroxytryptamine metabolism in mouse brain by adrenal glucocorticoids.
Topics: 5-Hydroxytryptophan; Animals; Brain; Corticosterone; Dopa Decarboxylase; Hydrocortisone; In Vitro Techniques; Male; Mice; Mitochondria; Pargyline; Serotonin; Stimulation, Chemical; Synaptosomes; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1975 |
Acute reduction of brain serotonin and 5-HIAA following food consumption: correlation with the ratio of serum tryptophan to the sum of competing amino acids.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Diet; Hydroxyindoleacetic Acid; Insulin; Isoleucine; Leucine; Male; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine; Valine | 1975 |
Brain monoamine synthesis and receptor sensitivity after single or repeated administration of thyroxine.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Brain Chemistry; Clonidine; Dihydroxyphenylalanine; Dopamine; Locomotion; Male; Mice; Norepinephrine; Receptors, Drug; Reserpine; Serotonin; Stimulation, Chemical; Thyroxine; Tryptophan; Tyrosine | 1975 |
Effects of halothane and nitrous oxide anaesthesia on 5-HT turn-over in the rat brain.
Topics: 5-Hydroxytryptophan; Anesthesia; Animals; Benserazide; Brain; Halothane; Hydroxyindoleacetic Acid; Male; Nitrous Oxide; Pargyline; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1975 |
Thyroid state and brain monoamine metabolism.
Topics: 5-Hydroxytryptophan; Animals; Benserazide; Brain; Dihydroxyphenylalanine; Hyperthyroidism; Hypothyroidism; Male; Parathyroid Glands; Rats; Thyroid Gland; Thyroidectomy; Thyroxine; Tryptophan; Tyrosine | 1975 |
Influence of L-3-methoxytyrosine on monoamine synthesis in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Dihydroxyphenylalanine; Dopamine; Hydrazines; Hydroxyindoleacetic Acid; Levodopa; Liver; Male; Myocardium; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1975 |
[Hypothetical concept: the physiopathological entity of monoaminergic psychoses].
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Behavior, Animal; Bipolar Disorder; Blood-Brain Barrier; Catecholamines; Diet; Humans; Levodopa; Neurons; Rats; Schizophrenia; Serotonin; Sexual Behavior; Tryptophan; Tyrosine | 1975 |
Comparison of free tryptophan, bound tryptophan and tyrosine in plasma, and tryptophan, 5-hydroxytryptophan, serotonin, 5-hydroxyindoleacetic acid, tyrosine, dopamine and norepinephrine in brain parts of rat and pigeon.
Topics: 5-Hydroxytryptophan; Animals; Brain; Cerebellum; Columbidae; Dopamine; Hydroxyindoleacetic Acid; Male; Medulla Oblongata; Mesencephalon; Norepinephrine; Organ Specificity; Pons; Rats; Serotonin; Species Specificity; Telencephalon; Tryptophan; Tyrosine | 1976 |
Pyrrolo[1,4]benzodiazepine antibiotics. Biosynthesis of the antitumor antibiotic 11-demethyltomaymycin and its biologically inactive metabolite oxotomaymycin by Streptomyces achromogenes.
Topics: 5-Hydroxytryptophan; Antibiotics, Antineoplastic; Benzodiazepinones; Dihydroxyphenylalanine; Hot Temperature; Methionine; ortho-Aminobenzoates; Pyrroles; Streptomyces; Tryptophan; Tyrosine | 1976 |
Neurochemical correlates of behavior. Content of tryptophan, 5-hydroxytryptophan, serotonin, 5-hydroxyindoleacetic acid, tyrosine, dopamine and norepinephrine in a nerve ending fraction isolated from three brain areas of the pigeon during the period of be
Topics: 5-Hydroxytryptophan; Animals; Behavior, Animal; Brain Chemistry; Columbidae; Depression, Chemical; Dopamine; Hydroxyindoleacetic Acid; Norepinephrine; Serotonin; Synaptosomes; Tryptophan; Tyrosine | 1976 |
Effect of (+) amphetamine on monoamine synthesis and metabolism after axotomy in rat forebrain.
Topics: 5-Hydroxytryptophan; Animals; Axons; Biogenic Amines; Brain; Denervation; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Feedback; Haloperidol; Male; Norepinephrine; Rats; Tryptophan; Tyramine; Tyrosine | 1976 |
Nutrition classics from The Journal of Physiology 35:88-102, 1906-1907. The importance of individual amino-acids in metabolism. Observations on the effect of adding tryptophane to a dietary in which zein is the sole nitrogenous constituent. By Edith G. Wi
Topics: Amino Acids; Animals; Diet; England; History, 20th Century; Mice; Physiology; Tryptophan; Tyrosine; Zein | 1975 |
Radiation-induced binding of some protein and nucleic acid constituents with macromolecular components in cell systems.
Topics: Amino Acids; Animals; Carbon Radioisotopes; Cell Line; Cobalt Radioisotopes; Cysteine; Cystine; Cytosine; Dose-Response Relationship, Radiation; Escherichia coli; Gamma Rays; Histidine; Leukemia, Lymphoid; Macromolecular Substances; Methionine; Mice; Phenylalanine; Protein Binding; Purines; Pyrimidines; Radiation Effects; Sulfur Radioisotopes; Thymine; Tritium; Tryptophan; Tyrosine; Uracil | 1975 |
Fluorescence study of S4 and S7 ribosomal proteins complexed to 16 S RNA.
Topics: Bacterial Proteins; Binding Sites; Escherichia coli; Macromolecular Substances; Protein Binding; Protein Conformation; Ribosomes; RNA, Bacterial; RNA, Ribosomal; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1975 |
Mutations affecting aromatic amino acid transport in Escherichia coli and Salmonella typhimurium.
Topics: Alanine; Amino Acids; Biological Transport, Active; Chromosome Mapping; Escherichia coli; Ethidium; Genes; Glycine; Mutation; Phenylalanine; Plasmids; Salmonella typhimurium; Tryptophan; Tyrosine | 1975 |
Correlation between circadian changes in serum amino acids or brain tryptophan and the contents of serotonin and 5-hydroxyindoleacetic acid in regions of the rat brain.
Topics: Amino Acids; Animals; Brain; Brain Chemistry; Brain Stem; Cerebral Cortex; Circadian Rhythm; Diet; Hydroxyindoleacetic Acid; Male; Rats; Serotonin; Tryptophan; Tyrosine | 1975 |
Laser Raman scattering of neurotoxins isolated from the venoms of sea snakes Lapemis hardwickii and Enhydrina schistosa.
Topics: Amino Acids; Animals; Disulfides; Lasers; Protein Conformation; Receptors, Cholinergic; Scattering, Radiation; Snake Venoms; Spectrum Analysis; Structure-Activity Relationship; Tryptophan; Tyrosine; Venoms | 1975 |
Chorismate mutase of Chlamydomonas reinhardi. Partial purification and some properties.
Topics: Chlamydomonas; Chorismate Mutase; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dihydroxyphenylalanine; Isomerases; Kinetics; Molecular Weight; Phenylalanine; Species Specificity; Tryptophan; Tyrosine | 1975 |
The isolated perfused rat brain as a model for brain monoamine research.
Topics: Animals; Brain; Catecholamines; Dopamine; Histamine; Hydroxyindoleacetic Acid; Male; Methods; Norepinephrine; Perfusion; Rats; Reserpine; Serotonin; Tryptophan; Tyrosine | 1975 |
Salicylate, tryptophan, and tyrosine hypothermia.
Topics: Animals; Body Temperature Regulation; Brain; Environment, Controlled; Hypothalamus; Hypothermia; Injections, Intraperitoneal; Male; Norepinephrine; Rats; Salicylates; Serotonin; Tryptophan; Tyrosine | 1975 |
Circular dichroism and conformational transition of Dolichos biflorus and Robinia pseudoacacia lectins.
Topics: Acetylgalactosamine; Binding Sites; Carbohydrates; Circular Dichroism; Lectins; Protein Binding; Protein Conformation; Sodium Dodecyl Sulfate; Species Specificity; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1975 |
Effects of chronic porto-caval anastomosis on brain tryptophan, tyrosine and 5-hydroxytryptamine.
Topics: Animals; Brain; Corpus Striatum; Dopamine; Fatty Acids, Nonesterified; Hippocampus; Hydroxyindoleacetic Acid; Hypothalamus; Liver; Male; Mesencephalon; Muscles; Pons; Portacaval Shunt, Surgical; Rats; Serotonin; Tryptophan; Tyrosine | 1975 |
Kinetic analysis of phenylalanine-induced inhibition in the saturable influx of tyrosine, tryptophan, leucine and histidine into brain cortex slices from adult and 7-day-old rats.
Topics: Animals; Animals, Newborn; Biological Transport, Active; Cerebral Cortex; Histidine; In Vitro Techniques; Kinetics; Leucine; Male; Phenylalanine; Rats; Tryptophan; Tyrosine | 1975 |
In vivo rates of tyrosine and tryptophan hydroxylation in regions of rat brain at four times during the light-dark cycle.
Topics: Amino Acids; Animals; Benzyl Compounds; Brain; Brain Stem; Carboxy-Lyases; Circadian Rhythm; Darkness; Diencephalon; Dihydroxyphenylalanine; Dopamine; Hydrazines; Hydroxylation; Light; Male; Norepinephrine; Rats; Serotonin; Telencephalon; Tryptophan; Tyrosine | 1975 |
Effect of temperature on light-absorption and fluorescence of the peroxidase.
Topics: Calorimetry; Energy Transfer; Kinetics; Peroxidases; Plants; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Temperature; Thermodynamics; Tryptophan; Tyrosine | 1975 |
Dopaminergic supersensitivity in parkinsonism.
Topics: Aged; Benzyl Compounds; Brain; Brain Chemistry; Dopamine; Drug Therapy, Combination; Female; Humans; Hydrazines; Hydroxyindoleacetic Acid; Levodopa; Nerve Degeneration; Norepinephrine; Parkinson Disease; Psychoses, Substance-Induced; Serotonin; Tryptophan; Tyrosine | 1975 |
New spectrophotometric method for simultaneous determination of tryptophan and tyrosine.
Topics: Absorption; Colorimetry; Spectrophotometry; Temperature; Tryptophan; Tyrosine | 1975 |
Effects of lithium chloride on parameters biosynthetic capacity for 5-hydroxytryptamin in rat brain.
Topics: Animals; Brain; Feedback; In Vitro Techniques; Kinetics; Lithium; Male; Rats; Serotonin; Stimulation, Chemical; Synaptosomes; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1975 |
Tryptophan and tyrosine disposition and brain tryptophan metabolism in acute carbon tetrachloride poisoning.
Topics: Animals; Brain; Carbon Tetrachloride Poisoning; Eating; Fatty Acids, Nonesterified; Male; Rats; Tryptophan; Tyrosine | 1975 |
An examination of the catalytic properties of several aminotransferases in brain and liver by means of an improved radiometric assay with dinitrophenylhydrazine.
Topics: Animals; Brain; Catalysis; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; gamma-Aminobutyric Acid; Keto Acids; Liver; Male; Methods; Phenylhydrazines; Rats; Transaminases; Tryptophan; Tyrosine | 1975 |
Rapid effects of environmental disturbance on rat plasma unesterified fatty acid and tryptophan concentrations and their prevention by antilopolytic drugs.
Topics: Animals; Corticosterone; Environment; Erythrocytes; Fasting; Fatty Acids, Nonesterified; Hypolipidemic Agents; Male; Nicotinic Acids; Propranolol; Rats; Social Environment; Social Isolation; Tryptophan; Tyrosine | 1975 |
Derivative absorption spectrophotometry of native proteins.
Topics: Amino Acids; Animals; Cattle; Chymotrypsin; Dimethyl Sulfoxide; Egg White; Insulin; Methods; Muramidase; Pancreas; Proteins; Ribonucleases; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1975 |
Fluorimetric and spectrophotometric studies of DPN-linked isocitrate dehydrogenase from bovine heart. Properties of tyrosyl and tryptophyl residues.
Topics: Animals; Binding Sites; Cattle; Isocitrate Dehydrogenase; Kinetics; Myocardium; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1975 |
Charge-transfer studies of the availability of aromatic side chains of proteins in guanidine hydrochloride.
Topics: Chymotrypsin; Energy Transfer; Guanidines; Mathematics; Muramidase; Protein Binding; Protein Conformation; Proteins; Trypsin; Tryptophan; Tyrosine | 1975 |
Studies on the active site of papain. VI. Chemical modification of tryptophan residues by N-bromosuccinimide.
Topics: Binding Sites; Bromosuccinimide; Papain; Structure-Activity Relationship; Tryptophan; Tyrosine | 1975 |
Spectrophotometric titration of tyrosyl residues in alkaline mesentericopeptidase.
Topics: Bacillus; Endopeptidases; Isoflurophate; Protease Inhibitors; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1975 |
Biochemical post-mortem findings in depressed patients.
Topics: Aged; Brain Chemistry; Brain Mapping; Circadian Rhythm; Depression; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Norepinephrine; Remission, Spontaneous; Serotonin; Tryptophan; Tyrosine; Vanilmandelic Acid | 1975 |
Effect of aromatic acids on protein synthesis in subcellular preparations from the rat brain.
Topics: Animals; Benzoates; Brain; Cell-Free System; Depression, Chemical; Homogentisic Acid; In Vitro Techniques; Nerve Tissue Proteins; Phenylacetates; Phenylalanine; Phenylpyruvic Acids; Rats; Salicylates; Transfer RNA Aminoacylation; Tryptophan; Tyrosine | 1975 |
Selective effect of a maize diet in reducing serum and brain tryptophan contents and blood and brain serotonin levels.
Topics: Animals; Body Weight; Brain; Diet; Dopamine; Hydroxyindoleacetic Acid; Male; Nicotinic Acids; Norepinephrine; Rats; Serotonin; Spinal Cord; Tryptophan; Tyrosine; Vitamins; Zea mays | 1975 |
[Sleep deprivation. Clinical ratings, psychophysiological and biochemical measures (author's transl)].
Topics: Adult; Aged; Depression; Electroencephalography; Female; Heart Rate; Humans; Male; Middle Aged; Respiration; Sleep Deprivation; Stress, Psychological; Tryptophan; Tyrosine | 1975 |
Changes in the exposure of tryptophyl and tyrosyl residues in thrombin due to diisopropylphosphorofluoridate and benzamidine inhibitions.
Topics: Amidines; Animals; Benzamidines; Binding Sites; Cattle; Circular Dichroism; Hydrogen Peroxide; Isoflurophate; Kinetics; Oxidation-Reduction; Protein Binding; Protein Conformation; Thrombin; Tryptophan; Tyrosine | 1975 |
[Growth and sexual reproduction of the dermatophyte Arthroderma vanbreuseghemii Takashio (Trichophyton mentagrophytes (Robin blanchard) on a synthetic medium].
Topics: Amino Acids; Ascomycota; Aspartic Acid; Conjugation, Genetic; Culture Media; Glucose; Glutamates; Phenylalanine; Serine; Shikimic Acid; Tryptophan; Tyrosine | 1975 |
A model for the neurobiological mechanisms of action involved in lithium prophylaxis of bipolar affective disorder.
Topics: Affective Symptoms; Animals; Brain; Humans; Lithium; Male; Mesencephalon; Models, Biological; Rats; Serotonin; Stimulation, Chemical; Subcellular Fractions; Synaptosomes; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1975 |
Free and bound tryptophan in the blood of depressives.
Topics: Adjustment Disorders; Fatty Acids, Nonesterified; Humans; Sleep Deprivation; Tryptophan; Tyrosine | 1975 |
Effect of room fluorescent light on the deterioration of tissue culture medium.
Topics: Cell Line; Clone Cells; Culture Media; Culture Techniques; Drug Stability; Light; Photolysis; Riboflavin; Tryptophan; Tyrosine | 1976 |
Effect of intravenous glucose and insulin on plasma tryptophan and tyrosine concentrations in normal subjects and patients with carcinoid tumors.
Topics: Adult; Aged; Blood Glucose; Carcinoid Tumor; Female; Glucose; Humans; Insulin; Male; Malignant Carcinoid Syndrome; Middle Aged; Tryptophan; Tyrosine | 1976 |
The involvement of aromatic amino acids in biological activity of bovine fibrinogen as assessed by gamma-irradiation.
Topics: Amino Acids; Blood Coagulation; Fibrinogen; Free Radicals; Gamma Rays; Nitrates; Potassium Iodide; Radiation Effects; Radiation-Protective Agents; Radiation-Sensitizing Agents; Sodium; Tryptophan; Tyrosine | 1976 |
Acute and chronic effects of 4-chloroamphetamine on monoamine metabolism in the rat brain.
Topics: Amphetamines; Animals; Biogenic Amines; Brain; Cerebellum; Cerebral Cortex; Corpus Striatum; Dopamine; gamma-Aminobutyric Acid; Hydroxyindoleacetic Acid; Male; Norepinephrine; Normetanephrine; p-Chloroamphetamine; Rats; Serotonin; Time Factors; Tryptophan; Tyramine; Tyrosine | 1976 |
The effect of nutritional factors on brain amino acid levels and monoamine synthesis.
Topics: Amino Acids; Animals; Biological Transport; Brain; Catecholamines; Diet; Insulin; Monoamine Oxidase Inhibitors; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1976 |
Regulation of L-phenylalanine ammonia-lyase from Rhizoctonia solani.
Topics: Ammonia-Lyases; Cell-Free System; Cycloheximide; Dactinomycin; Enzyme Induction; Enzyme Repression; Glucose; Light; Mitosporic Fungi; Phenylalanine; Phenylalanine Ammonia-Lyase; Plant Growth Regulators; Rhizoctonia; Stereoisomerism; Temperature; Tryptophan; Tyrosine | 1976 |
[The pattern of distribution of free amino acids in human amniotic fluid related to the duration of pregnancy. Part I: Changes in concentration in normal pregnancy (author's transl)].
Topics: Alanine; Amino Acids; Amniotic Fluid; Chromatography, Gas; Cysteine; Female; Gestational Age; Glycine; Humans; Hydroxyproline; Methionine; Ornithine; Pregnancy; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1976 |
The aromatic residue content of the enzyme rhodanese.
Topics: Animals; Binding Sites; Cattle; Guanidines; Liver; Molecular Weight; Phenylalanine; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Sulfurtransferases; Thiosulfate Sulfurtransferase; Tryptophan; Tyrosine | 1976 |
The end products of the metabolism of aromatic amino acids by Clostridia.
Topics: Amino Acids; Clostridium; Indoleacetic Acids; Indoles; Phenols; Phenylacetates; Phenylalanine; Tryptophan; Tyrosine | 1976 |
Amylin increases transport of tyrosine and tryptophan into the brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amyloid; Analysis of Variance; Animals; Biological Transport; Corpus Striatum; Dopamine; Hydroxyindoleacetic Acid; Hypothalamus; Islet Amyloid Polypeptide; Male; Norepinephrine; Rats; Rats, Sprague-Dawley; Reference Values; Serotonin; Tryptophan; Tyrosine | 1992 |
Effect of protease inhibitors and substrates on 3,5,3'-triiodothyronine binding to rat liver nuclear receptors.
Topics: Amino Acid Chloromethyl Ketones; Animals; Cell Nucleus; Chromatography, Gel; Endopeptidases; Esters; Liver; Male; Protease Inhibitors; Rats; Rats, Wistar; Receptors, Thyroid Hormone; Tosylphenylalanyl Chloromethyl Ketone; Triiodothyronine; Tryptophan; Tyrosine | 1992 |
Three-dimensional structure of a mutant ribonuclease T1 (Y45W) complexed with non-cognizable ribonucleotide, 2'AMP, and its comparison with a specific complex with 2'GMP.
Topics: Adenosine Monophosphate; Amino Acid Sequence; Binding Sites; Computer Graphics; Crystallography; DNA Mutational Analysis; Guanosine Monophosphate; Hydrogen Bonding; Models, Molecular; Molecular Sequence Data; Molecular Structure; Protein Binding; Protein Conformation; Recombinant Proteins; Ribonuclease T1; Structure-Activity Relationship; T-Phages; Tryptophan; Tyrosine; Water; X-Ray Diffraction | 1992 |
A possible biological role of the electron transfer between tyrosine and tryptophan. Gating of ion channels.
Topics: Electron Transport; Free Radicals; Ion Channel Gating; Sodium Channels; Tryptophan; Tyrosine | 1992 |
The hydroxylation of phenylalanine and tyrosine: a comparison with salicylate and tryptophan.
Topics: Chelating Agents; Dihydroxyphenylalanine; Gamma Rays; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxides; Hydroxyl Radical; Hydroxylation; Iron; Kinetics; Macromolecular Substances; Oxidation-Reduction; Phenylalanine; Pulse Radiolysis; Salicylates; Salicylic Acid; Tryptophan; Tyrosine | 1992 |
Selective photochemical modification by trichloroethanol of tryptophan residues in proteins with a high tyrosine-to-tryptophan ratio.
Topics: Animals; Cattle; DNA Helicases; DNA-Binding Proteins; Ethylene Chlorohydrin; Heterogeneous Nuclear Ribonucleoprotein A1; Heterogeneous-Nuclear Ribonucleoprotein Group A-B; Homeodomain Proteins; Minor Histocompatibility Antigens; Photochemistry; Proto-Oncogene Proteins c-bcl-2; Rats; Recombinant Proteins; Replication Protein C; Repressor Proteins; Ribonucleoproteins; Saccharomyces cerevisiae Proteins; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Thymus Hormones; Tryptophan; Tyrosine | 1992 |
Hypothalamic neurotransmitter concentrations and meat quality in stressed pigs offered excess dietary tryptophan and tyrosine.
Topics: Amino Acids; Animals; Female; Hypothalamus; Male; Meat; Neurotransmitter Agents; Random Allocation; Serotonin; Stress, Physiological; Swine; Swine Diseases; Tryptophan; Tyrosine | 1992 |
Plasma ratios of tryptophan and tyrosine to other large neutral amino acids in manic-depressive patients.
Topics: Adolescent; Adult; Aged; Amino Acids; Amitriptyline; Antipsychotic Agents; Bipolar Disorder; Dibenzothiepins; Female; Humans; Lithium Carbonate; Male; Mianserin; Middle Aged; Tryptophan; Tyrosine | 1992 |
Detection of proteins and phenol in DNA samples with second-derivative absorption spectroscopy.
Topics: Animals; DNA; Humans; Phenol; Phenols; Phenylalanine; Proteins; RNA; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1992 |
Kynurenic acid concentrations are reduced in Huntington's disease cerebral cortex.
Topics: Aged; Alzheimer Disease; Cerebral Cortex; Energy Metabolism; Free Radicals; Humans; Huntington Disease; Kynurenic Acid; Kynurenine; Middle Aged; Parkinson Disease; Purines; Tryptophan; Tyrosine | 1992 |
Determination of the catecholamines and serotonin, their precursors tyrosine and tryptophan, and their main metabolites in rat brain using reversed-phase high-performance liquid chromatography with fluorimetric and oxidative amperometric detection in seri
Topics: Animals; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Male; Rats; Rats, Wistar; Reference Standards; Serotonin; Solutions; Temperature; Tissue Preservation; Tryptophan; Tyrosine | 1992 |
Regional distribution of tyrosine, tryptophan, and their metabolites in the brain of epileptic El mice.
Topics: 5-Hydroxytryptophan; Animals; Brain; Brain Chemistry; Chromatography, High Pressure Liquid; Dopamine; Epilepsy; Kynurenine; Male; Mice; Serotonin; Tryptophan; Tyrosine | 1992 |
Comparative circular dichroism studies of an anti-fluorescein monoclonal antibody (Mab 4-4-20) and its derivatives.
Topics: Animals; Antibodies, Monoclonal; Binding Sites, Antibody; Circular Dichroism; Fluorescein; Fluoresceins; Haptens; Immunoglobulin Fab Fragments; Mice; Models, Molecular; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1992 |
Conformation of tachyplesin I from Tachypleus tridentatus when interacting with lipid matrices.
Topics: Amino Acid Sequence; Anti-Infective Agents; Antimicrobial Cationic Peptides; Circular Dichroism; DNA-Binding Proteins; Fluoresceins; Lipids; Lipopolysaccharides; Liposomes; Molecular Sequence Data; Peptides; Peptides, Cyclic; Phosphorylcholine; Protein Conformation; Tryptophan; Tyrosine | 1992 |
The structural consequences of exchanging tryptophan and tyrosine residues in B. stearothermophilus lactate dehydrogenase.
Topics: Genetic Engineering; Geobacillus stearothermophilus; L-Lactate Dehydrogenase; Models, Molecular; Protein Conformation; Tryptophan; Tyrosine; X-Ray Diffraction | 1992 |
Role of Tyr and Trp in membrane responses of Pyrularia thionin determined by optical and NMR spectra following Tyr iodination and Trp modification.
Topics: Antimicrobial Cationic Peptides; Erythrocytes; Hemolysis; Humans; Hydrolysis; In Vitro Techniques; Iodine; Magnetic Resonance Spectroscopy; Membranes; Plant Proteins; Serine Endopeptidases; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1992 |
Conformation ability test of human, rabbit and bovine plasminogens and their specific interaction with streptokinase.
Topics: Animals; Cattle; Circular Dichroism; Enzyme Activation; Humans; Hydrogen-Ion Concentration; Plasminogen; Protein Conformation; Rabbits; Streptokinase; Tryptophan; Tyrosine | 1992 |
Kynurenine pathway abnormalities in Parkinson's disease.
Topics: Aged; Autopsy; Brain; Female; Humans; Kynurenine; Male; Parkinson Disease; Tryptophan; Tyrosine | 1992 |
Measurement of low-molecular-weight antioxidants, uric acid, tyrosine and tryptophan in plaques and white matter from patients with multiple sclerosis.
Topics: Adult; Aged; Aged, 80 and over; Antioxidants; Brain Chemistry; Chromatography, High Pressure Liquid; Free Radicals; Humans; Middle Aged; Molecular Weight; Multiple Sclerosis; Spinal Cord; Tryptophan; Tyrosine; Uric Acid | 1992 |
Synergism between the Trp repressor and Tyr repressor in repression of the aroL promoter of Escherichia coli K-12.
Topics: Bacteriophage lambda; Base Sequence; beta-Galactosidase; Consensus Sequence; Escherichia coli; Gene Expression Regulation, Bacterial; Lac Operon; Molecular Sequence Data; Operator Regions, Genetic; Operon; Promoter Regions, Genetic; Recombinant Fusion Proteins; Regulatory Sequences, Nucleic Acid; Repressor Proteins; Tryptophan; Tyrosine | 1992 |
A comparison of the effects of beef, chicken and fish protein on satiety and amino acid profiles in lean male subjects.
Topics: Adolescent; Adult; Amino Acids; Animals; Blood Glucose; Cattle; Chickens; Dietary Proteins; Fishes; Humans; Insulin; Leucine; Male; Meat; Methionine; Satiation; Taurine; Tryptophan; Tyrosine | 1992 |
Urea denaturation of barnase: pH dependence and characterization of the unfolded state.
Topics: Bacterial Proteins; Disulfides; Hydrogen-Ion Concentration; Protein Conformation; Protein Denaturation; Ribonuclease T1; Ribonucleases; Tryptophan; Tyrosine; Urea | 1992 |
Disturbances in dexamethasone suppression test and lower availability of L-tryptophan and tyrosine in early puerperium and in women under contraceptive therapy.
Topics: Adult; Contraceptives, Oral, Combined; Depressive Disorder; Dexamethasone; Female; Humans; Hydrocortisone; Hypothalamo-Hypophyseal System; Personality Inventory; Pituitary-Adrenal System; Prospective Studies; Puerperal Disorders; Tryptophan; Tyrosine | 1992 |
Hydroxyl radical mediated damage to proteins, with special reference to the crystallins.
Topics: Animals; Cattle; Crystallins; Electrophoresis, Polyacrylamide Gel; Free Radicals; Histidine; Hydroxides; In Vitro Techniques; Isoelectric Point; Melitten; Molecular Weight; Ribonuclease, Pancreatic; Spectrometry, Fluorescence; Trypsin Inhibitors; Tryptophan; Tyrosine | 1992 |
High-sensitivity laser-induced fluorescence detection of native proteins in capillary electrophoresis.
Topics: Electrophoresis; Lasers; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1992 |
Defective biliary excretion of epinephrine metabolites in mutant (TR-) rats: relation to the pathogenesis of black liver in the Dubin-Johnson syndrome and Corriedale sheep with an analogous excretory defect.
Topics: Animals; Anions; Bile; Epinephrine; Female; Food, Formulated; Humans; Jaundice, Chronic Idiopathic; Liver; Lysosomes; Male; Metanephrine; Mutation; Phenylalanine; Pigmentation; Pigments, Biological; Rats; Rats, Mutant Strains; Sheep; Tryptophan; Tyrosine | 1992 |
Statistical determination of the average values of the extinction coefficients of tryptophan and tyrosine in native proteins.
Topics: Animals; Enzymes; Humans; Proteins; Spectrum Analysis; Tryptophan; Tyrosine | 1992 |
Folding of RNase T1 is decelerated by a specific tertiary contact in a folding intermediate.
Topics: Models, Molecular; Proline; Protein Conformation; Ribonuclease T1; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1992 |
Oxidative damage to fibronectin. II. The effect of H2O2 and the hydroxyl radical.
Topics: Ascorbic Acid; Cobalt Radioisotopes; Cross-Linking Reagents; Edetic Acid; Electrophoresis, Polyacrylamide Gel; Fibronectins; Fluorescence; Humans; Hydrogen Peroxide; Hydroxides; Hydroxyl Radical; Leukocyte Elastase; Mannitol; Molecular Weight; Oxidation-Reduction; Pancreatic Elastase; Tryptophan; Tyrosine | 1991 |
Physical studies of tyrosine and tryptophan residues in mammalian A1 heterogeneous nuclear ribonucleoprotein. Support for a segmented structure.
Topics: Amino Acid Sequence; DNA Helicases; Energy Transfer; Fluorescence Polarization; Heterogeneous Nuclear Ribonucleoprotein A1; Heterogeneous-Nuclear Ribonucleoprotein Group A-B; Heterogeneous-Nuclear Ribonucleoproteins; Humans; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Poly U; Protein Conformation; Protein Denaturation; Ribonucleoproteins; RNA-Binding Proteins; Spectrometry, Fluorescence; Thymus Hormones; Tryptophan; Tyrosine | 1991 |
NMR study of the structural characteristics of variants of yeast iso-1-cytochrome c in which unvaried aromatic residues have been substituted.
Topics: Amino Acids; Cytochrome c Group; Cytochromes c; Heme; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Tryptophan; Tyrosine | 1991 |
Antibodies against a peptide of cholera toxin differing in cross-reactivity with the toxin differ in their specific interactions with the peptide as observed by 1H NMR spectroscopy.
Topics: Amino Acid Sequence; Antibodies; Antigens; Cholera Toxin; Cross Reactions; Epitopes; Lysine; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Peptide Fragments; Phenylalanine; Protons; Tryptophan; Tyrosine | 1990 |
Maternal stress increases fetal brain and neonatal cerebral cortex 5-hydroxytryptamine synthesis in rats: a possible mechanism by which stress influences brain development.
Topics: Animals; Brain; Brain Chemistry; Female; Hydroxyindoleacetic Acid; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Inbred Strains; Serotonin; Stress, Physiological; Tryptophan; Tyrosine | 1990 |
[Effect of ultraviolet light on the UV/VIS absorption spectrum of components of Eagle (MEM) cell culture medium].
Topics: Culture Media; In Vitro Techniques; Phenylalanine; Spectrophotometry, Ultraviolet; Spectrum Analysis; Staining and Labeling; Tryptophan; Tyrosine; Ultraviolet Rays | 1990 |
Determination of monoamines and indoles in amniotic fluid by high-performance liquid chromatography-electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amniotic Fluid; Biogenic Amines; Chromatography, High Pressure Liquid; Epinephrine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoles; Methoxyhydroxyphenylglycol; Pregnancy; Tryptophan; Tyrosine; Vanilmandelic Acid | 1990 |
[The effect of amino acids on neurotransmitter metabolites in the cerebrospinal fluid].
Topics: Child, Preschool; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Tryptophan; Tyrosine | 1991 |
[Age changes in concentrations of monoamines and related substances in the cerebrospinal fluid].
Topics: Adolescent; Adult; Aged; Aging; Biogenic Monoamines; Child; Chromatography, High Pressure Liquid; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Neurotransmitter Agents; Norepinephrine; Tryptophan; Tyrosine | 1991 |
The structure of human acidic fibroblast growth factor and its interaction with heparin.
Topics: Algorithms; Circular Dichroism; Fibroblast Growth Factor 1; Fluorescence; Fourier Analysis; Heparin; Humans; Hydrogen-Ion Concentration; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Infrared; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1991 |
Potential regulators of feeding behavior in anorexia nervosa.
Topics: Adolescent; Adult; Amino Acids; Analysis of Variance; Anorexia Nervosa; Appetite; Blood Glucose; Cholesterol; Feeding Behavior; Female; Gastrins; Humans; Insulin; Pancreatic Polypeptide; Satiation; Tryptophan; Tyrosine | 1992 |
Route of administration of tryptophan and tyrosine affects short-term food intake and plasma and brain amino acid concentrations in rats.
Topics: Administration, Oral; Analysis of Variance; Animals; Brain Chemistry; Eating; Food Preferences; Injections, Intraperitoneal; Male; Random Allocation; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1992 |
Sequential resonance assignments of oxidized high-potential iron-sulfur protein from Chromatium vinosum.
Topics: Amino Acid Sequence; Bacterial Proteins; Chromatium; Cysteine; Iron-Sulfur Proteins; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Oxidation-Reduction; Peptides; Protein Conformation; Tryptophan; Tyrosine | 1992 |
Tryptophan and neutral amino acids in premenstrual syndrome.
Topics: Adult; Female; Follicular Phase; Humans; Isoleucine; Leucine; Luteal Phase; Phenylalanine; Premenstrual Syndrome; Tryptophan; Tyrosine; Valine | 1991 |
A comparative study of the structure of egg-white riboflavin binding protein from the domestic fowl and Japanese quail.
Topics: Animals; Carrier Proteins; Chickens; Circular Dichroism; Coturnix; Egg Proteins; Female; Membrane Transport Proteins; Molecular Structure; Molecular Weight; Peptide Mapping; Riboflavin; Species Specificity; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1991 |
Functional significance of aromatic amino acids from three peptide loops of the alpha 7 neuronal nicotinic receptor site investigated by site-directed mutagenesis.
Topics: Acetylcholine; Amino Acid Sequence; Animals; Bungarotoxins; Chickens; Dihydro-beta-Erythroidine; Electrophysiology; Female; Ion Channel Gating; Molecular Sequence Data; Mutagenesis, Site-Directed; Neurons; Nicotine; Oocytes; Receptors, Nicotinic; Torpedo; Transfection; Tryptophan; Tyrosine; Xenopus | 1991 |
Structural properties of connectin studied by ultraviolet resonance Raman spectroscopy and infrared dichroism.
Topics: Animals; Chickens; Circular Dichroism; Connectin; Hydrogen Bonding; Membrane Proteins; Muscle Proteins; Muscles; Protein Conformation; Protein Kinases; Spectrophotometry, Infrared; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1991 |
Bidirectional relationships between tryptophan and social behavior in vervet monkeys.
Topics: 5-Hydroxytryptophan; Aggression; Animals; Awareness; Chlorocebus aethiops; Female; Fluoxetine; Locomotion; Male; Social Behavior; Social Environment; Tryptophan; Tyrosine | 1991 |
On kynureninase activity.
Topics: Animals; Apoenzymes; Benzothiazoles; Cysteine; Dithionitrobenzoic Acid; Dithiothreitol; Enzyme Activation; Hydrolases; Kynurenine; Liver; Magnesium; Male; Phenylpyruvic Acids; Pyridoxal Phosphate; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Xanthurenates | 1991 |
Plasma precursor amino acids of central nervous system monoamines in children with coeliac disease.
Topics: Adolescent; Amino Acids; Biogenic Monoamines; Brain; Celiac Disease; Child; Child, Preschool; Depression; Humans; Tryptophan; Tyrosine | 1991 |
Purification of prephenate dehydratase from Corynebacterium glutamicum by affinity chromatography.
Topics: Chromatography, Affinity; Corynebacterium; Phenylalanine; Prephenate Dehydrogenase; Tryptophan; Tyrosine | 1991 |
Rapid and sensitive high-performance liquid chromatographic method for the analysis of tryptophan, tyrosine and phenylalanine in biological samples.
Topics: Chromatography, High Pressure Liquid; Humans; Hydrogen-Ion Concentration; Infant, Newborn; Phenylalanine; Reference Values; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1991 |
Effect of aromatic amino acids, pentylenetetrazole and yohimbine on isatin and tribulin activity in rat brain.
Topics: Animals; Brain; Diazepam; Isatin; Male; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Pentylenetetrazole; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Yohimbine | 1991 |
A comparative Raman spectroscopic study of cholinesterases.
Topics: Acetylcholinesterase; Animals; Butyrylcholinesterase; Electrophorus; Humans; Phenylalanine; Protein Conformation; Spectrum Analysis, Raman; Torpedo; Tryptophan; Tyrosine | 1991 |
L-phenylalanine production by double auxotrophic mutants of Arthrobacter globiformis.
Topics: Arthrobacter; Biotin; Culture Media; Methylnitronitrosoguanidine; Mutagenesis; Phenylalanine; Tryptophan; Tyrosine | 1991 |
Oxidative damage to fibronectin. I. The effects of the neutrophil myeloperoxidase system and HOCl.
Topics: Azides; Chloramines; Fibronectins; Fluorescence; Humans; Hydrogen Peroxide; Hypochlorous Acid; Methionine; Molecular Weight; Neutrophils; Pancreatic Elastase; Peroxidase; Protein Denaturation; Tryptophan; Tyrosine | 1991 |
Variations of electrostatic interactions in myoglobin probed by UVRR spectroscopy. Effect of iron ligand and pH on tryptophan and tyrosine vibrations.
Topics: Animals; Binding Sites; Electrochemistry; Humans; Hydrogen-Ion Concentration; Iron; Models, Molecular; Myoglobin; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Whales; X-Ray Diffraction | 1991 |
Metal-induced changes in the fluorescence properties of tyrosine and tryptophan site-specific mutants of oncomodulin.
Topics: Calcium; Calcium-Binding Proteins; Fluorescence; Magnesium; Metals; Models, Molecular; Mutagenesis, Site-Directed; Neoplasm Proteins; Phenylalanine; Protein Conformation; Spectrum Analysis; Tryptophan; Tyrosine | 1991 |
Simultaneous determination of urinary creatinine and aromatic amino acids by cation-exchange chromatography with ultraviolet detection.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Cations; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Creatinine; Humans; Infant, Newborn; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1991 |
Effect of precursor loading on the synthesis rate and release of dopamine and serotonin in the striatum: a microdialysis study in conscious rats.
Topics: Animals; Corpus Striatum; Dialysis; Dihydroxyphenylalanine; Dopamine; Eating; Haloperidol; Kinetics; Male; Phenylalanine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1991 |
The tryptophan-specific permease gene, mtr, is differentially regulated by the tryptophan and tyrosine repressors in Escherichia coli K-12.
Topics: Amino Acid Transport Systems; Bacterial Proteins; beta-Galactosidase; Blotting, Northern; Cloning, Molecular; Escherichia coli; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Genes, Bacterial; Membrane Transport Proteins; Phenylalanine; Repressor Proteins; Transcription, Genetic; Transformation, Genetic; Tryptophan; Tyrosine | 1991 |
Aflatoxin B1 alters central and systemic tryptophan and tyrosine metabolism: influence of immunomodulatory drugs.
Topics: Aflatoxin B1; Aflatoxins; Animals; Brain; Carcinogens; Clonixin; Lipopolysaccharides; Lung; Male; Mice; Mice, Inbred ICR; Myocardium; Organ Specificity; Spleen; Tryptophan; Tyrosine; Vitamin E | 1991 |
Motion of aromatic side chains, picosecond fluorescence, and internal energy transfer in Escherichia coli thioredoxin studied by site-directed mutagenesis, time-resolved fluorescence spectroscopy, and molecular dynamics simulations.
Topics: Amino Acids; Disulfides; Energy Transfer; Escherichia coli; Fluorescence Polarization; Hydrogen Bonding; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Structure-Activity Relationship; Thioredoxins; Tryptophan; Tyrosine; X-Ray Diffraction | 1991 |
Thermal transitions in the structure of tubulin. Environments of aromatic aminoacids.
Topics: Amino Acids; Animals; Cattle; Circular Dichroism; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Tryptophan; Tubulin; Tyrosine | 1991 |
Crystal structure of the Tyr45Trp mutant of ribonuclease T1 in a complex with 2'-adenylic acid.
Topics: Adenosine Monophosphate; Binding Sites; Crystallization; Escherichia coli; Guanine; Molecular Structure; Mutation; Protein Conformation; Recombinant Proteins; Ribonuclease T1; Substrate Specificity; Tryptophan; Tyrosine; X-Ray Diffraction | 1991 |
A novel action of 6R-L-erythro-5,6,7,8-tetrahydrobiopterin, a cofactor for hydroxylases of phenylalanine, tyrosine and tryptophan: enhancement of acetylcholine release in vivo in the rat hippocampus.
Topics: Acetylcholine; Animals; Biopterins; Choline; Chromatography, High Pressure Liquid; Dialysis; Hippocampus; Injections, Intraventricular; Male; Mixed Function Oxygenases; Rats; Rats, Inbred Strains; Reserpine; Tetrodotoxin; Tryptophan; Tyrosine | 1991 |
Some molecular properties of human seminal transferrin (HSmT) in comparison with human serum transferrin (HSrT).
Topics: Amino Acid Sequence; Cysteine; Fucose; Humans; Male; Molecular Sequence Data; N-Acetylneuraminic Acid; Semen; Sialic Acids; Sulfhydryl Compounds; Transferrin; Tryptophan; Tyrosine | 1991 |
Molecular analysis of the TyrR protein-mediated activation of mtr gene expression in Escherichia coli K-12.
Topics: Amino Acid Sequence; Base Sequence; beta-Galactosidase; Escherichia coli; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Membrane Proteins; Molecular Sequence Data; Mutagenesis, Site-Directed; Plasmids; Recombinant Proteins; Repressor Proteins; Transcription Factors; Tryptophan; Tyrosine | 1991 |
Effect of branched-chain amino acid supplementation on mental performance.
Topics: Adult; Amino Acids, Branched-Chain; Exercise; Female; Humans; Mental Processes; Phenylalanine; Psychological Tests; Tryptophan; Tyrosine | 1991 |
Intramolecular electron transfer in peptides containing methionine, tryptophan and tyrosine: a pulse radiolysis study.
Topics: Electron Transport; Methionine; Peptides; Pulse Radiolysis; Tryptophan; Tyrosine | 1990 |
Long range electron transfer between tyrosine and tryptophan in hen egg-white lysozyme.
Topics: Animals; Chickens; Egg White; Electron Transport; Female; Hydrogen-Ion Concentration; Kinetics; Muramidase; Tryptophan; Tyrosine | 1991 |
Membrane insertion of the pore-forming domain of colicin A. A spectroscopic study.
Topics: Circular Dichroism; Colicins; Fluorescence Polarization; Hydrogen-Ion Concentration; Membrane Proteins; Models, Molecular; Protein Conformation; Spectrum Analysis; Tryptophan; Tyrosine | 1991 |
High-performance liquid chromatography of biogenic amines in the corpus cardiacum of the American cockroach, Periplaneta americana.
Topics: Animals; Biogenic Monoamines; Chromatography, High Pressure Liquid; Dopamine; Neurosecretory Systems; Octopamine; Periplaneta; Tryptophan; Tyramine; Tyrosine; Vanillic Acid | 1991 |
Aspartate aminotransferase activity is required for aspartate catabolism and symbiotic nitrogen fixation in Rhizobium meliloti.
Topics: Aspartate Aminotransferases; Aspartate Ammonia-Lyase; Aspartic Acid; Biological Transport; Electrophoresis, Polyacrylamide Gel; Fumarate Hydratase; Malate Dehydrogenase; Nitrogen Fixation; Restriction Mapping; Rhizobium; Succinates; Succinic Acid; Transaminases; Tryptophan; Tyrosine | 1991 |
A systematic mutational analysis of hormone-binding determinants in the human growth hormone receptor.
Topics: Alanine; Amino Acid Sequence; Antibodies, Monoclonal; Binding Sites; Circular Dichroism; Cysteine; Fluorescence; Genetic Variation; Growth Hormone; Humans; Molecular Sequence Data; Mutagenesis, Site-Directed; Receptors, Somatotropin; Tryptophan; Tyrosine | 1991 |
Evidence for an acid-induced molten-globule state in interleukin-2; a fluorescence and circular dichroism study.
Topics: Acids; Circular Dichroism; Fluorescence Polarization; Interleukin-2; Mutagenesis, Site-Directed; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1991 |
Regulation of chorismate mutase activity of various yeast species by aromatic amino acids.
Topics: Amino Acids; Chorismate Mutase; Enzyme Activation; Isoenzymes; Phenylalanine; Tryptophan; Tyrosine; Yeasts | 1991 |
The use of tryptophan mutants in identifying the 296 nm transient absorbing species during the photocycle of bacteriorhodopsin.
Topics: Bacteriorhodopsins; Cysteine; Kinetics; Phenylalanine; Spectrum Analysis; Tryptophan; Tyrosine | 1991 |
Mass spectrometric determination of isotopically labeled tyrosines and tryptophans in photosynthetic reaction centers of Rhodobacter sphaeroides R-26.
Topics: Chromatography, Gas; Gas Chromatography-Mass Spectrometry; Isotope Labeling; Photosynthetic Reaction Center Complex Proteins; Rhodobacter sphaeroides; Tryptophan; Tyrosine | 1990 |
[Modification of functional groups of the streptokinase molecule during photooxidation].
Topics: Chromatography, Gel; Circular Dichroism; Histidine; Hot Temperature; Hydrogen-Ion Concentration; Imidazoles; Kinetics; Methylene Blue; Oxidation-Reduction; Photochemistry; Protein Conformation; Streptokinase; Tryptophan; Tyrosine | 1990 |
Synthesis, characterization, and DNA binding studies of some mixed-ligand platinum(II) complexes of 1,10-phenanthroline and amino acids.
Topics: Alanine; Amino Acids; Animals; Antineoplastic Agents; Cattle; Cisplatin; DNA; Ethidium; Glycine; Intercalating Agents; Leucine; Magnetic Resonance Spectroscopy; Phenanthrolines; Phenylalanine; Platinum; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1990 |
Structural studies of metalloporphyrins. Part XIa: Complexes of water-soluble zinc(II) porphyrins with amino acids: influence of ligand-ligand interactions on the stability of the complexes.
Topics: Amino Acids; Anions; Cations; Chemical Phenomena; Chemistry, Physical; Drug Stability; Electrochemistry; Magnetic Resonance Spectroscopy; Metalloporphyrins; Molecular Structure; Phenylalanine; Protein Conformation; Tryptophan; Tyrosine; Zinc | 1990 |
Effects of drugs on blood-brain barrier permeability in rats chronically intoxicated by ethanol.
Topics: Alcohol Deterrents; Alcoholism; Animals; Blood-Brain Barrier; Dihydroxyphenylalanine; Disulfiram; Ethanol; Pinocytosis; Psychotropic Drugs; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1990 |
Characterization of the surface of calmodulin by NMR.
Topics: Calcium; Calmodulin; Enzyme Activation; Histidine; Lysine; Magnetic Resonance Spectroscopy; Methionine; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine | 1990 |
A fluorescence spectroscopy study of the calpactin I complex and its subunits p11 and p36: calcium-dependent conformation changes.
Topics: Animals; Annexins; Calcium; Calcium-Binding Proteins; Cattle; Macromolecular Substances; Membrane Proteins; Molecular Weight; Phospholipids; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1990 |
The effects of glucocorticoids on the availability of L-tryptophan and tyrosine in the plasma of depressed patients.
Topics: Amino Acids; Depressive Disorder; Dexamethasone; Humans; Hydrocortisone; Hypothalamo-Hypophyseal System; Middle Aged; Pituitary-Adrenal System; Prospective Studies; Tryptophan; Tyrosine | 1990 |
Kynurenine pathway measurements in Huntington's disease striatum: evidence for reduced formation of kynurenic acid.
Topics: Aged; Autopsy; Corpus Striatum; Female; Humans; Huntington Disease; Kynurenic Acid; Kynurenine; Male; Middle Aged; Putamen; Reference Values; Tryptophan; Tyrosine | 1990 |
19F-n.m.r. studies of ligand binding to 5-fluorotryptophan- and 3-fluorotyrosine-containing cyclic AMP receptor protein from Escherichia coli.
Topics: Cyclic AMP; Cyclic GMP; DNA-Binding Proteins; Escherichia coli; Ligands; Macromolecular Substances; Magnetic Resonance Spectroscopy; Protein Conformation; Receptors, Cyclic AMP; Tryptophan; Tyrosine | 1990 |
L-tyrosine and L-tryptophan membrane transport in erythrocytes and antidepressant drug choice.
Topics: Adult; Aged; Antidepressive Agents; Depressive Disorder; Erythrocyte Membrane; Female; Fluvoxamine; Humans; Imipramine; Male; Mianserin; Middle Aged; Monoamine Oxidase Inhibitors; Oximes; Piperidines; Receptors, Adrenergic; Receptors, Serotonin; Tryptophan; Tyrosine | 1990 |
Regulation of chorismate mutase in Saccharomyces cerevisiae.
Topics: Chorismate Mutase; Cloning, Molecular; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Fungal; Genes, Fungal; Genes, Regulator; Isomerases; Mutation; Phenylalanine; Plasmids; Saccharomyces cerevisiae; Transcription, Genetic; Transformation, Genetic; Tryptophan; Tyrosine | 1990 |
Hypoaminoacidemia caused by imipramine but not by clenbuterol is dissociable from hyperglycemia and hyperinsulinemia.
Topics: Animals; Blood Glucose; Chromatography, High Pressure Liquid; Clenbuterol; Ethanolamines; Imipramine; Insulin; Male; Radioimmunoassay; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1990 |
Evidence for a close link between the thyroid hormone transport system and the aromatic amino acid transport system T in erythrocytes.
Topics: Animals; Biological Transport; Erythrocytes; Ethylmaleimide; Humans; In Vitro Techniques; Kinetics; Male; Phenylalanine; Rats; Rats, Inbred Strains; Sheep; Thyroxine; Triiodothyronine; Tryptophan; Tyrosine | 1990 |
Plasma amino acids in attention deficit disorder.
Topics: Amino Acids; Attention Deficit Disorder with Hyperactivity; Child; Female; Histidine; Humans; Isoleucine; Male; Phenylalanine; Tryptophan; Tyrosine | 1990 |
Molecular conformation of porcine amelogenins and its significance in protein-mineral interaction: 1H-NMR photo-CIDNP study.
Topics: Amelogenin; Amino Acid Sequence; Animals; Dental Enamel Proteins; Hydrogen; Magnetic Resonance Spectroscopy; Minerals; Molecular Sequence Data; Molecular Weight; Protein Conformation; Swine; Tooth Germ; Tryptophan; Tyrosine | 1990 |
A multivariate analysis of red blood cell membrane transports and plasma levels of L-tyrosine and L-tryptophan in depressed patients before treatment and after clinical improvement.
Topics: Adult; Bipolar Disorder; Depressive Disorder; Erythrocyte Membrane; Female; Follow-Up Studies; Hospitalization; Humans; Male; Multivariate Analysis; Phenylalanine; Psychiatric Status Rating Scales; Tryptophan; Tyrosine | 1990 |
Further study on gas phase acid hydrolysis of protein: improvement of recoveries for tryptophan, tyrosine, and methionine.
Topics: Hydrochloric Acid; Hydrolysis; Methionine; Muramidase; Myoglobin; Papain; Proteins; Trifluoroacetic Acid; Tryptophan; Tyrosine; Volatilization | 1990 |
Evolution of aromatic amino acid biosynthesis and application to the fine-tuned phylogenetic positioning of enteric bacteria.
Topics: Anthranilate Phosphoribosyltransferase; Anthranilate Synthase; Biological Evolution; Chorismate Mutase; Enterobacteriaceae; Genes, Bacterial; Multigene Family; Phenylalanine; Phylogeny; Prephenate Dehydratase; Protein Sorting Signals; RNA, Ribosomal, 16S; RNA, Ribosomal, 5S; Tryptophan; Tyrosine | 1990 |
Septic encephalopathy. Evidence for altered phenylalanine metabolism and comparison with hepatic encephalopathy.
Topics: Ammonia; Bacterial Infections; Brain Diseases, Metabolic; Glutamine; Hepatic Encephalopathy; Humans; Phenylacetates; Phenylalanine; Tryptophan; Tyrosine | 1990 |
Determination of tryptophan, tyrosine, and phenylalanine by second derivative spectrophotometry.
Topics: Humans; Indicators and Reagents; Phenylalanine; Serum Albumin; Serum Albumin, Bovine; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1990 |
Identification of vitamin E-dependent water soluble fluorescent compounds in mouse tissues.
Topics: Aged; Animals; Chromatography, High Pressure Liquid; Female; Humans; Liver; Male; Mice; Mice, Inbred C57BL; Rats; Solubility; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Swine; Tryptophan; Tyrosine; Vitamin E; Vitamin E Deficiency; Water | 1990 |
Relationship between L-tryptophan uptake and L-tryptophan 2,3-dioxygenase activity in rat hepatocytes.
Topics: Animals; Biological Transport; Hydrocortisone; Kinetics; Leucine; Liver; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tryptophan Oxygenase; Tyrosine | 1990 |
Suppressant effects of dexamethasone on the availability of plasma L-tryptophan and tyrosine in healthy controls and in depressed patients.
Topics: Adult; Depressive Disorder; Dexamethasone; Female; Humans; Hypothalamo-Hypophyseal System; Male; Middle Aged; Norepinephrine; Pituitary-Adrenal System; Serotonin; Tryptophan; Tyrosine | 1990 |
Effects of phospholipid on the structure of human apolipoprotein A-IV.
Topics: Apolipoproteins A; Circular Dichroism; Energy Transfer; Fluoresceins; Humans; Liposomes; Molecular Structure; Phosphatidylcholines; Phospholipids; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 1990 |
Refined structure of dienelactone hydrolase at 1.8 A.
Topics: Amino Acid Sequence; Binding Sites; Carboxylic Ester Hydrolases; Crystallization; Hydrogen Bonding; Models, Molecular; Molecular Sequence Data; Molecular Structure; Protein Conformation; Pseudomonas; Thermodynamics; Tryptophan; Tyrosine; X-Ray Diffraction | 1990 |
Photophysics of tryptophan in bacteriophage T4 lysozymes.
Topics: Muramidase; Protein Conformation; Spectrometry, Fluorescence; T-Phages; Tryptophan; Tyrosine | 1990 |
Asymmetrical transport of amino acids across the blood-brain barrier in humans.
Topics: Adult; Amino Acids; Arginine; Biological Transport, Active; Blood-Brain Barrier; Cell Membrane Permeability; Female; Humans; Leucine; Male; Middle Aged; Models, Neurological; Phenylalanine; Tryptophan; Tyrosine | 1990 |
Chemical and immunochemical studies on the receptor binding domain of cholera toxin B subunit.
Topics: Antibodies, Monoclonal; Arginine; Binding, Competitive; Chemical Phenomena; Chemistry; Cholera Toxin; Disulfides; Epitopes; G(M1) Ganglioside; Immunologic Techniques; Lysine; Oligosaccharides; Protein Conformation; Receptors, Cell Surface; Receptors, Immunologic; Structure-Activity Relationship; Tryptophan; Tyrosine | 1985 |
Acute effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine on dopamine metabolism in mouse and rat striatum.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 5-Hydroxytryptophan; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Pyridines; Rats; Rats, Inbred Strains; Species Specificity; Time Factors; Tryptophan; Tyrosine | 1985 |
Cerebrospinal fluid monoamine precursor and metabolite levels in children treated for leukemia: age and sex effects and individual variability.
Topics: Adolescent; Age Factors; Child; Child, Preschool; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Leukemia, Lymphoid; Male; Sex Factors; Tryptophan; Tyrosine | 1986 |
Monoamine neurotransmitter metabolism and locomotor activity during chemical hypoxia.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Hypoxia; Male; Mice; Motor Activity; Nitrates; Serotonin; Tryptophan; Tyrosine | 1986 |
Effect of sustained exercise on concentrations of plasma aromatic and branched-chain amino acids and brain amines.
Topics: Amino Acids, Branched-Chain; Animals; Brain; Dopamine; Hydroxyindoleacetic Acid; Male; Norepinephrine; Physical Conditioning, Animal; Physical Exertion; Rats; Serotonin; Tryptophan; Tyrosine | 1986 |
The effects of cinepazide on the content, biosynthesis and turnover of noradrenaline, dopamine and 5-hydroxytryptamine in the rat brain under room air and hypoxia.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Hydroxylation; Hypoxia; Kinetics; Male; Norepinephrine; Piperazines; Rats; Serotonin; Tryptophan; Tyrosine; Vasodilator Agents | 1986 |
Changes of neurotransmitter systems in chronic relapsing experimental allergic encephalomyelitis in rat brain and spinal cord.
Topics: Animals; Brain; Chronic Disease; Dopamine; Encephalomyelitis, Autoimmune, Experimental; Female; Hydroxyindoleacetic Acid; Neurotransmitter Agents; Norepinephrine; Rats; Recurrence; Serotonin; Spinal Cord; Tissue Distribution; Tryptophan; Tyrosine | 1986 |
Studies on immunological properties of enolase from carp muscles (Cyprinus carpio) after chemical modification of some amino-acid residues.
Topics: Amino Acids; Animals; Carps; Cyprinidae; Epitopes; Histidine; Immunoelectrophoresis; Immunoelectrophoresis, Two-Dimensional; Muscles; Phosphopyruvate Hydratase; Protein Processing, Post-Translational; Structure-Activity Relationship; Tryptophan; Tyrosine | 1986 |
Serotonin release in rat hippocampus examined by in vivo voltammetry: serotonergic function and tryptophan availability.
Topics: Animals; Electrochemistry; Hippocampus; Hydroxyindoleacetic Acid; Kinetics; Rats; Serotonin; Stress, Physiological; Tryptophan; Tyrosine; Valine | 1986 |
Spectroscopic analysis of acylated and deacylated myelin proteolipid protein.
Topics: Acylation; Animals; Brain Chemistry; Cattle; Dimethyl Sulfoxide; Myelin Proteins; Myelin Proteolipid Protein; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 1986 |
Effects of K+-stimulation and precursor loading on the in vivo release of dopamine, serotonin and their metabolites in the nucleus accumbens of the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Nucleus Accumbens; Perfusion; Potassium; Rats; Septal Nuclei; Serotonin; Tryptophan; Tyrosine | 1987 |
Synthesis and high affinity uptake of serotonin and dopamine by human Y79 retinoblastoma cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Biological Transport; Cell Line; Dihydroxyphenylalanine; Dopamine; Eye Neoplasms; Humans; Hydroxyindoleacetic Acid; Kinetics; Norepinephrine; Phenylalanine; Retinoblastoma; Serotonin; Tryptophan; Tyrosine | 1987 |
Rapid determination of norepinephrine, dopamine, serotonin, their precursor amino acids, and related metabolites in discrete brain areas of mice within ten minutes by HPLC with electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dopamine; Homovanillic Acid; Hydrazines; Hydroxyindoleacetic Acid; Hypothalamus; Male; Methoxyhydroxyphenylglycol; Mice; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 1988 |
Relationship between extracellular 5-hydroxytryptamine and behaviour following monoamine oxidase inhibition and L-tryptophan.
Topics: 5-Hydroxytryptophan; Animals; Behavior, Animal; Chromatography, High Pressure Liquid; Clorgyline; Hydroxyindoleacetic Acid; Indoles; Male; Monoamine Oxidase Inhibitors; Rats; Rats, Inbred Strains; Selegiline; Serotonin; Time Factors; Tranylcypromine; Tryptophan; Tyrosine | 1988 |
Acute effect of protein or carbohydrate breakfasts on human cerebrospinal fluid monoamine precursor and metabolite levels.
Topics: Dietary Carbohydrates; Dietary Proteins; Histidine; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Phenylalanine; Tryptophan; Tyrosine | 1989 |
Elevated CSF dynorphin A [1-8] in Tourette's syndrome.
Topics: Dynorphins; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Peptide Fragments; Reference Values; Tourette Syndrome; Tryptophan; Tyrosine | 1988 |
Effect of sustained exercise on plasma amino acid concentrations and on 5-hydroxytryptamine metabolism in six different brain regions in the rat.
Topics: Amino Acids, Branched-Chain; Animals; Brain; Dopamine; Fatty Acids, Nonesterified; Female; Hydroxyindoleacetic Acid; Norepinephrine; Phenylalanine; Physical Endurance; Physical Exertion; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1989 |
Regulation of pteridine biosynthesis and aromatic amino acid hydroxylation in Drosophila melanogaster.
Topics: Amino Acids; Animals; Drosophila melanogaster; Hydroxylation; Mutation; Phenylalanine; Pteridines; Tryptophan; Tyrosine | 1989 |
1H NMR studies of aliphatic ligand binding to human plasminogen kringle 4.
Topics: Histidine; Humans; Hydrogen; Kinetics; Ligands; Lysine; Magnetic Resonance Spectroscopy; Phenylalanine; Plasminogen; Protein Binding; Protein Conformation; Tryptophan; Tyrosine | 1989 |
The influence of tryptophan on mobility of residues in the trp repressor of Escherichia coli.
Topics: Bacterial Proteins; DNA-Binding Proteins; Escherichia coli; Gene Expression Regulation; Genes, Bacterial; Lysine; Magnetic Resonance Spectroscopy; Molecular Conformation; Operator Regions, Genetic; Repressor Proteins; Serine; Temperature; Tetranitromethane; Transcription Factors; Tryptophan; Tyrosine | 1989 |
Differential changes in rat brain tryptophan, serotonin and tyrosine levels following acute aflatoxin B1 treatment.
Topics: Aflatoxin B1; Aflatoxins; Animals; Brain; Carcinogens; Female; Injections, Intraperitoneal; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1989 |
Some observations on the replacement of the conserved amino acid residues of immunoglobulin domains.
Topics: Alanine; Amino Acids; beta 2-Microglobulin; Computer Graphics; Cysteine; Immunoglobulin Constant Regions; Immunoglobulin Variable Region; Immunoglobulins; Leucine; Serine; Tryptophan; Tyrosine | 1989 |
[Studies of the effect of a protein-free diet and branched-chain amino acids (preparation Aminosteril-Hepa) on selected biochemical indicators in chronic experimental hepatic encephalopathy].
Topics: Amino Acids; Amino Acids, Branched-Chain; Ammonia; Animals; Chronic Disease; Dietary Proteins; Hepatic Encephalopathy; Male; Parenteral Nutrition; Phenols; Phenylalanine; Rats; Rats, Inbred Strains; Thioacetamide; Tryptophan; Tyrosine | 1989 |
Ligand-binding effects on the kringle 4 domain from human plasminogen: a study by laser photo-CIDNP 1H-NMR spectroscopy.
Topics: Aminocaproic Acid; Antifibrinolytic Agents; Benzylamines; Histidine; Humans; In Vitro Techniques; Ligands; Magnetic Resonance Spectroscopy; Phenylalanine; Photochemistry; Plasminogen; Protons; Tryptophan; Tyrosine | 1989 |
Ionic strength dependence of cytochrome c structure and Trp-59 H/D exchange from ultraviolet resonance Raman spectroscopy.
Topics: Animals; Cytochrome c Group; Energy Transfer; Enzyme Stability; Ferric Compounds; Ferrous Compounds; Horses; Hydrogen Bonding; Myocardium; Oxidation-Reduction; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1989 |
Effects of the beta 2-adrenoceptor agonist clenbuterol on tyrosine and tryptophan in plasma and brain of the rat.
Topics: Amino Acids; Animals; Betaxolol; Brain Chemistry; Clenbuterol; Dose-Response Relationship, Drug; Ethanolamines; Male; Methysergide; Propanolamines; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; Tryptophan; Tyrosine | 1989 |
Molecular dynamics simulations of ribonuclease T1: comparison of the free enzyme and the 2' GMP-enzyme complex.
Topics: Binding Sites; Computer Simulation; Endoribonucleases; Fluorescence Polarization; Fungal Proteins; Guanine Nucleotides; Guanosine Monophosphate; Models, Molecular; Protein Binding; Protein Conformation; Ribonuclease T1; Tryptophan; Tyrosine; X-Ray Diffraction | 1989 |
Involvement of sulfhydryl groups in the transport of L-tyrosine and L-tryptophan across the human red cell membrane in vitro.
Topics: 4-Chloromercuribenzenesulfonate; Adult; Biological Transport, Active; Cells, Cultured; Dithiothreitol; Dose-Response Relationship, Drug; Erythrocyte Membrane; Ethylmaleimide; Humans; Mercaptoethanol; Mersalyl; Middle Aged; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1989 |
Comparative effects of carbohydrate restriction vs starvation on biochemical parameters related to neurotransmitters in rat.
Topics: Amino Acids; Animals; Brain Chemistry; Dietary Carbohydrates; Dopamine beta-Hydroxylase; Food Deprivation; Male; Neurotransmitter Agents; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Weight Loss | 1989 |
Effect of repeated ingestion of aspartame-sweetened beverage on plasma amino acid, blood methanol, and blood formate concentrations in normal adults.
Topics: Adult; Amino Acids; Asparagine; Aspartame; Aspartic Acid; Beverages; Dipeptides; Female; Formates; Glutamates; Glutamic Acid; Glutamine; Humans; Male; Methanol; Phenylalanine; Tryptophan; Tyrosine | 1989 |
Bacteriorhodopsin mutants of Halobacterium sp. GRB. II. Characterization of mutants.
Topics: Amino Acid Sequence; Asparagine; Aspartic Acid; Bacteriorhodopsins; Base Sequence; Cloning, Molecular; Cysteine; Genes, Bacterial; Glutamates; Glutamic Acid; Glycine; Halobacterium; Molecular Sequence Data; Mutation; Protein Conformation; Tryptophan; Tyrosine | 1989 |
Cerebrospinal fluid (CSF) and brain monoamine metabolites in the developing rat pup.
Topics: Animals; Biogenic Amines; Brain Chemistry; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1985 |
Neurotransmitter precursors and metabolites in CSF of human neonates.
Topics: Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Infant, Newborn; Infant, Newborn, Diseases; Infant, Premature; Male; Methoxyhydroxyphenylglycol; Neurotransmitter Agents; Reference Values; Tryptophan; Tyrosine | 1985 |
Diurnal rhythm in absolute and relative concentrations of large neutral amino acids in human plasma.
Topics: Adult; Amino Acids; Circadian Rhythm; Humans; Isoleucine; Leucine; Male; Middle Aged; Phenylalanine; Reference Values; Tryptophan; Tyrosine; Valine | 1989 |
Neutral amino acid plasma levels in healthy subjects: effect of complex carbohydrate consumed along with protein.
Topics: Adult; Amino Acids; Blood Glucose; Dietary Carbohydrates; Dietary Proteins; Female; Humans; Insulin; Isoleucine; Kinetics; Leucine; Phenylalanine; Reference Values; Tryptophan; Tyrosine; Valine | 1989 |
Rab 12 kD.
Topics: Amino Acid Sequence; Animals; Asparagine; beta 2-Microglobulin; Humans; Rabbits; Sequence Homology, Nucleic Acid; Serum Amyloid A Protein; Tryptophan; Tyrosine | 1989 |
Effects of running the Boston marathon on plasma concentrations of large neutral amino acids.
Topics: Amino Acids; Humans; Isoleucine; Leucine; Methionine; Phenylalanine; Physical Exertion; Reference Values; Running; Tryptophan; Tyrosine; Valine | 1989 |
[Effect of ethanol and probenecid on the excretory function of the cerebral choroid plexus in rats].
Topics: Animals; Carbon Radioisotopes; Choroid Plexus; Dose-Response Relationship, Drug; Ethanol; Levodopa; Male; Probenecid; Rats; Rats, Inbred Strains; Time Factors; Tryptophan; Tyrosine | 1989 |
Structure/activity relationships of scorpion alpha-toxins. Multiple residues contribute to the interaction with receptors.
Topics: Amino Acid Sequence; Animals; Arginine; Binding, Competitive; Kinetics; Lethal Dose 50; Mice; Mice, Inbred C57BL; Models, Molecular; Molecular Sequence Data; Protein Conformation; Receptors, Cholinergic; Scorpion Venoms; Sodium Channels; Structure-Activity Relationship; Tryptophan; Tyrosine | 1989 |
Proton nuclear magnetic resonance characterization of the aromatic residues in the variant-3 neurotoxin from Centruroides sculpturatus Ewing.
Topics: Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Neurotoxins; Phenylalanine; Protein Conformation; Scorpion Venoms; Tryptophan; Tyrosine | 1989 |
Molecular differences between type A botulinum neurotoxin and its toxoid.
Topics: Botulinum Toxins; Circular Dichroism; Electrophoresis, Polyacrylamide Gel; Neurotoxins; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Toxoids; Tryptophan; Tyrosine | 1989 |
Acute and chronic effects of the trichothecene mycotoxin T-2 on rat brain regional concentrations of serotonin, tryptophan, and tyrosine.
Topics: Animals; Brain Chemistry; Female; Rats; Rats, Inbred Strains; Serotonin; Sesquiterpenes; T-2 Toxin; Tryptophan; Tyrosine | 1989 |
Spectrophotometric determination of tryptophan in intact proteins by the acid ninhydrin method.
Topics: Hydrogen-Ion Concentration; Kinetics; Muramidase; Ninhydrin; Proteins; Spectrophotometry; Tryptophan; Tyrosine | 1989 |
Raman and infrared studies on the conformation of porcine pancreatic and Crotalus durissus terrificus phospholipases A2.
Topics: Animals; Crotalid Venoms; Disulfides; Hydrogen-Ion Concentration; Pancreas; Phospholipases; Phospholipases A; Phospholipases A2; Protein Conformation; Sodium Dodecyl Sulfate; Spectrophotometry, Infrared; Spectrum Analysis, Raman; Swine; Tryptophan; Tyrosine | 1989 |
Urdamycins, new angucycline antibiotics from Streptomyces fradiae. IV. Biosynthetic studies of urdamycins A-D.
Topics: Acetates; Aminoglycosides; Anthraquinones; Anti-Bacterial Agents; Chemical Phenomena; Chemistry; Fermentation; Glucose; Glycerol; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Structure; Streptomyces; Tryptophan; Tyrosine | 1989 |
Molecular topography and secondary structure comparisons of botulinum neurotoxin types A, B and E.
Topics: Botulinum Toxins; Circular Dichroism; Neurotoxins; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1989 |
[Various research results on the role of carbohydrate groups in macroimmunoglobulins].
Topics: Carbohydrates; Chemical Phenomena; Chemistry; Immunoglobulin M; Immunoglobulins; Protein Conformation; Tryptophan; Tyrosine | 1989 |
Pulse radiolytic measurement of redox potentials: the tyrosine and tryptophan radicals.
Topics: Free Radicals; Kinetics; Oxidation-Reduction; Pulse Radiolysis; Tryptophan; Tyrosine | 1989 |
Effect of cell age on the quenching of erythrocyte membrane protein fluorescence.
Topics: Animals; Cattle; Cell Separation; Cell Survival; Erythrocyte Membrane; Mathematics; Membrane Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1989 |
Determination of the contributions of individual aromatic residues to the CD spectrum of IL-1 beta using site directed mutagenesis.
Topics: Circular Dichroism; Humans; Interleukin-1; Mutation; Phenylalanine; Protein Conformation; Recombinant Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1989 |
On the effects of replacing the carboxylate-binding arginine-171 by hydrophobic tyrosine or tryptophan residues in the L-lactate dehydrogenase from Bacillus stearothermophilus.
Topics: Arginine; Binding Sites; Geobacillus stearothermophilus; Kinetics; L-Lactate Dehydrogenase; Molecular Structure; Mutation; Substrate Specificity; Tryptophan; Tyrosine | 1989 |
Temperature dependence of intramolecular electron transfer as a probe for predenaturational changes in lysozyme.
Topics: Electrons; Free Radicals; Hot Temperature; Models, Chemical; Muramidase; Protein Denaturation; Thermodynamics; Tryptophan; Tyrosine | 1989 |
Complete assignment of the aromatic proton magnetic resonance spectrum of the kringle 1 domain from human plasminogen: structure of the ligand-binding site.
Topics: Amino Acid Sequence; Binding Sites; Histidine; Humans; Ligands; Magnetic Resonance Spectroscopy; Metalloendopeptidases; Molecular Sequence Data; Peptide Fragments; Phenylalanine; Plasminogen; Protein Binding; Protein Conformation; Protons; Tryptophan; Tyrosine | 1987 |
Effects of imipramine on tyrosine and tryptophan are mediated by beta-adrenoceptor stimulation.
Topics: Animals; Brain Chemistry; Imipramine; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; Tryptophan; Tyrosine | 1988 |
Beta-adrenergic control of brain uptake of large neutral amino acids.
Topics: Amino Acids; Animals; Biological Transport; Brain; Isoleucine; Isoproterenol; Leucine; Male; Phenylalanine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; Tryptophan; Tyrosine; Valine | 1988 |
Analysis of the aromatic 1H NMR spectrum of chicken plasminogen kringle 4.
Topics: Amino Acid Sequence; Animals; Cattle; Chickens; Histidine; Humans; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Peptide Fragments; Phenylalanine; Plasminogen; Sequence Homology, Nucleic Acid; Structure-Activity Relationship; Swine; Tryptophan; Tyrosine | 1988 |
Analysis of the aromatic 1H-NMR spectrum of the kringle 5 domain from human plasminogen. Evidence for a conserved kringle fold.
Topics: Histidine; Humans; Hydrogen; Magnetic Resonance Spectroscopy; Pepsin A; Peptide Fragments; Phenylalanine; Plasminogen; Protein Conformation; Tryptophan; Tyrosine | 1988 |
Identification of putative neurotransmitters in the lizard parietal eye.
Topics: Acetylcholine; Animals; Eye; gamma-Aminobutyric Acid; Glutamates; Lizards; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1985 |
Large doses of tryptophan and tyrosine as potential therapeutic alternative to dietary phenylalanine restriction in phenylketonuria.
Topics: Drug Therapy, Combination; Humans; Phenylketonurias; Tryptophan; Tyrosine | 1985 |
Evolution of the regulatory isozymes of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase present in the Escherichia coli genealogy.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aldehyde-Lyases; Biological Evolution; Escherichia coli; Isoenzymes; Phenylalanine; Spirillum; Tryptophan; Tyrosine | 1986 |
Catecholamine synthesis: physiological coupling to precursor supply.
Topics: Adrenal Glands; Animals; Blood Pressure; Brain; Catecholamines; Corpus Striatum; Dopamine; Humans; Hydroxylation; In Vitro Techniques; Serotonin; Substantia Nigra; Sympathetic Nervous System; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1986 |
Influences of amino acids on the circadian rhythms of brain neurotransmitters.
Topics: Animals; Brain; Circadian Rhythm; Dopamine; Male; Models, Biological; Neurotransmitter Agents; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1986 |
Quantification of the importance of individual steps in the control of aromatic amino acid metabolism.
Topics: Amino Acids; Animals; Biological Transport; Elasticity; Kinetics; Liver; Male; Phenylalanine; Phenylalanine Hydroxylase; Rats; Rats, Inbred Strains; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1986 |
Ifoxetine, a compound with atypical effects on serotonin uptake.
Topics: Animals; Blood Platelets; Brain Chemistry; Corpus Striatum; Haloperidol; In Vitro Techniques; Myocardium; Nalidixic Acid; Naphthyridines; Neurotransmitter Agents; Norepinephrine; Piperidines; Rats; Serotonin; Synaptosomes; Tryptophan; Tyramine; Tyrosine | 1986 |
Engineering of the active site of human lysozyme: conversion of aspartic acid 53 to glutamic acid and tyrosine 63 to tryptophan or phenylalanine.
Topics: Amino Acid Sequence; Aspartic Acid; Chitin; Genetic Engineering; Glutamates; Glutamic Acid; Humans; Micrococcus; Muramidase; Mutation; Phenylalanine; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Tyrosine | 1987 |
Observations on predicted brain influx rates of neurotransmitter precursors. Effects of tumor, operative stress with tumor removal, and postoperative TPN of varying amino acid compositions.
Topics: Amino Acids; Blood-Brain Barrier; Brain; Female; Humans; Male; Neoplasms; Neurotransmitter Agents; Parenteral Nutrition, Total; Serum Albumin; Stress, Physiological; Surgical Procedures, Operative; Tryptophan; Tyrosine | 1987 |
Localization and synthesis of monoamines in regions of Limax CNS controlling feeding behavior.
Topics: Animals; Biogenic Amines; Central Nervous System; Connective Tissue; Dopamine; Feeding Behavior; Fluorescent Antibody Technique; Histocytochemistry; Mollusca; Serotonin; Tryptophan; Tyrosine | 1987 |
Effect of decarboxylase inhibitors on brain p-tyrosine levels.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain Chemistry; Carbidopa; Liver; Male; Monoamine Oxidase Inhibitors; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Tyrosine Transaminase | 1987 |
Purification and characterization of a tyrosine aminotransferase from Crithidia fasciculata.
Topics: Animals; Chromatography; Crithidia; Cross Reactions; Electrophoresis, Polyacrylamide Gel; Hydrogen-Ion Concentration; Kinetics; Liver; Mice; Phenylalanine; Substrate Specificity; Temperature; Trypanosoma brucei gambiense; Tryptophan; Tyrosine; Tyrosine Transaminase | 1987 |
Altered tyrosine and tryptophan metabolism during hypothermic hibernation in the 13-lined ground squirrel (Spermophilus tridecemlineatus).
Topics: Animals; Body Temperature; Brain Stem; Catecholamines; Female; Hibernation; Kinetics; Liver; Male; Organ Specificity; Sciuridae; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine Transaminase | 1987 |
[Regulatory effects of terminal products and intermediates of aromatic pathways on rifamycin biosynthesis in Nocardia mediterranei].
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; 4-Aminobenzoic Acid; Aldehyde-Lyases; Nocardia; Parabens; Phenylalanine; Rifamycins; Tryptophan; Tyrosine | 1988 |
Plasma tyrosine/neutral amino acid ratio correlated with clinical response to nortriptyline in endogenously depressed patients.
Topics: Adult; Amino Acids; Biological Availability; Depressive Disorder; Female; Humans; Male; Middle Aged; Nortriptyline; Psychiatric Status Rating Scales; Tryptophan; Tyrosine | 1985 |
Binding sites for calcium, lipid and p11 on p36, the substrate of retroviral tyrosine-specific protein kinases.
Topics: Amino Acid Sequence; Animals; Annexin A2; Annexins; Binding Sites; Calcium; Calcium-Binding Proteins; Lipid Metabolism; Membrane Proteins; Peptides; Phosphorylation; Retroviridae; S100 Proteins; Swine; Tryptophan; Tyrosine | 1986 |
Spectroscopic characterization of the ATPase of the thermophilic bacterium PS3 and its isolated subunits.
Topics: Adenosine Triphosphatases; Bacteria; Chromatography, High Pressure Liquid; Macromolecular Substances; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1986 |
Long-wavelength fluorescence of tyrosine and tryptophan solutions.
Topics: Ca(2+) Mg(2+)-ATPase; Calcium-Transporting ATPases; Electrochemistry; Hydrogen-Ion Concentration; Sarcoplasmic Reticulum; Solutions; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Tryptophan; Tyrosine | 1987 |
Evidence for a tyrosine protonation change during the primary phototransition of bacteriorhodopsin at low temperature.
Topics: Bacteriorhodopsins; Carotenoids; Cold Temperature; Halobacterium; Light; Protein Conformation; Protons; Spectrophotometry, Ultraviolet; Spectrum Analysis; Tryptophan; Tyrosine | 1986 |
1H-NMR spectroscopic manifestations of ligand binding to the kringle 4 domain of human plasminogen.
Topics: Benzylamines; Binding Sites; Histidine; Humans; Hydrogen-Ion Concentration; Ligands; Magnetic Resonance Spectroscopy; Peptide Fragments; Plasminogen; Protein Conformation; Tranexamic Acid; Tryptophan; Tyrosine | 1986 |
Dihydrofolate reductase. 1H resonance assignments and coenzyme-induced conformational changes.
Topics: Amino Acid Sequence; Histidine; Lacticaseibacillus casei; Magnetic Resonance Spectroscopy; Models, Molecular; NADP; Phenylalanine; Protein Conformation; Protons; Tetrahydrofolate Dehydrogenase; Tryptophan; Tyrosine | 1986 |
1H NMR (500 MHz) identification of aromatic residues of gene 32 protein involved in DNA binding by use of protein containing perdeuterated aromatic residues and by site-directed mutagenesis.
Topics: Amino Acid Sequence; Bacterial Proteins; DNA-Binding Proteins; Escherichia coli; Genes; Genes, Bacterial; Histidine; Hydrogen; Magnetic Resonance Spectroscopy; Mutation; Phenylalanine; Tryptophan; Tyrosine | 1986 |
The aromatic 1H-NMR spectrum of plasminogen kringle 4. A comparative study of human, porcine and bovine homologs.
Topics: Animals; Cattle; Histidine; Humans; Magnetic Resonance Spectroscopy; Peptide Fragments; Phenylalanine; Plasminogen; Protons; Species Specificity; Swine; Tryptophan; Tyrosine | 1986 |
Intermolecular charge transfer involving tryptophan, tyrosine and three electron-bonded intermediates derived from methionine.
Topics: Azides; Hydrogen-Ion Concentration; Hydroxides; Hydroxyl Radical; Methionine; Oxidation-Reduction; Pulse Radiolysis; Spectrophotometry; Tryptophan; Tyrosine | 1986 |
Differential biochemical mechanisms mediate locomotor stimulation effects by caffeine and nicotine in rats.
Topics: Animals; Brain; Caffeine; Cyclic AMP; Dopamine; Kinetics; Male; Motor Activity; Nicotine; Norepinephrine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1987 |
Enrichment of complexing analytes on a copper-loaded silica surface and on-line coupling with high-performance liquid chromatography, using L-tryptophan and L-tyrosine as model compounds.
Topics: Chromatography, High Pressure Liquid; Copper; Indicators and Reagents; Silicon Dioxide; Solvents; Tryptophan; Tyrosine | 1987 |
Inhibitor-induced enzyme activation in organic solvents.
Topics: Binding, Competitive; Enzyme Activation; Enzyme Inhibitors; Esterification; Freeze Drying; Hydrolysis; Kinetics; Protein Conformation; Solvents; Substrate Specificity; Subtilisins; Tryptophan; Tyrosine; Water | 1988 |
Specific chemical modifications of link protein and their effect on binding to hyaluronate and cartilage proteoglycan.
Topics: Acetylation; Animals; Arginine; Cartilage, Articular; Cattle; Chromatography, Gel; Diethyl Pyrocarbonate; Extracellular Matrix Proteins; Female; Histidine; Hyaluronic Acid; Imidazoles; Lysine; Male; Methylation; Proteins; Proteoglycans; Tryptophan; Tyrosine | 1986 |
Sequential metabolic characteristics following portacaval shunt in rats.
Topics: Amino Acids; Animals; Body Weight; Glucagon; Insulin; Isoleucine; Leucine; Male; Phenylalanine; Portacaval Shunt, Surgical; Rats; Rats, Inbred Strains; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1986 |
Tyrosine and tryptophan modification monitored by ultraviolet resonance Raman spectroscopy.
Topics: 2-Hydroxy-5-nitrobenzyl Bromide; Metalloproteins; Plant Proteins; Spectrum Analysis, Raman; Tetranitromethane; Tryptophan; Tyrosine | 1986 |
Regulation of the aroH operon of Escherichia coli by the tryptophan repressor.
Topics: Amino Acids; beta-Galactosidase; Cloning, Molecular; Escherichia coli; Gene Expression Regulation; Operon; Phenylalanine; Recombinant Fusion Proteins; Repressor Proteins; Transcription Factors; Tryptophan; Tyrosine | 1987 |
Purification and active site modification studies on glyoxalase I from monkey intestinal mucosa.
Topics: Amino Acids, Dicarboxylic; Animals; Anions; Apoproteins; Binding Sites; Cations; Intestinal Mucosa; Lactoylglutathione Lyase; Lyases; Lysine; Macaca radiata; Molecular Weight; Pyridoxal Phosphate; Structure-Activity Relationship; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1987 |
In vitro effects of ionophores and inhibitors of main sodium and calcium movements on tyrosine and tryptophan transport by human erythrocytes.
Topics: 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid; 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid; Alkaloids; Anti-Bacterial Agents; Benzophenanthridines; Biological Transport; Calcimycin; Calcium; Erythrocyte Membrane; Female; Furosemide; Humans; In Vitro Techniques; Ionophores; Isoquinolines; Lanthanum; Macrolides; Male; Phloretin; Sodium; Tryptophan; Tyrosine | 1986 |
Increase in nucleolytic activity of ribonuclease T1 by substitution of tryptophan 45 for tyrosine 45.
Topics: Base Sequence; Binding Sites; Circular Dichroism; Cloning, Molecular; Endoribonucleases; Escherichia coli; Gene Expression Regulation; Guanine; Kinetics; Models, Molecular; Mutation; Nucleic Acid Denaturation; Ribonuclease T1; Tryptophan; Tyrosine | 1988 |
Evolution of red blood cell membrane transport and plasma level of L-tyrosine and L-tryptophan in depressed treated patients according to clinical improvement.
Topics: Adult; Aged; Antidepressive Agents; Bipolar Disorder; Depressive Disorder; Desipramine; Erythrocyte Membrane; Female; Fluvoxamine; Humans; Imipramine; Male; Middle Aged; Oximes; Psychological Tests; Tryptophan; Tyrosine | 1988 |
Functional domains involved in aromatic amino acid biosynthesis.
Topics: Alcohol Oxidoreductases; Chymotrypsin; Escherichia coli; Hydro-Lyases; Kinetics; Lyases; Molecular Weight; Multienzyme Complexes; Neurospora; Neurospora crassa; Phenylalanine; Phosphotransferases (Alcohol Group Acceptor); Transferases; Trypsin; Tryptophan; Tyrosine | 1985 |
Structure and stability of gamma-crystallins: tryptophan, tyrosine, and cysteine accessibility.
Topics: Animals; Cattle; Crystallins; Cysteine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1988 |
Individuality and stability in the transport of precursors of monoamines across the erythrocyte membrane of mentally normal subjects.
Topics: Adult; Circadian Rhythm; Erythrocyte Membrane; Female; Humans; Male; Menstrual Cycle; Postpartum Period; Pregnancy; Reference Values; Tryptophan; Tyrosine | 1988 |
Quantitation of interaction between cytochrome P-450scc and adrenodoxin--analysis in the median UV-region by second derivative spectroscopy.
Topics: Adrenodoxin; Animals; Cattle; Cholesterol; Cholesterol Side-Chain Cleavage Enzyme; Drug Interactions; Ferredoxin-NADP Reductase; Kinetics; Phenylalanine; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1988 |
Interleukin-1 induces changes in norepinephrine metabolism in the rat brain.
Topics: Animals; Brain; Brain Chemistry; Brain Stem; Central Nervous System; Corticosterone; Dopamine; Interleukin-1; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Rats, Inbred Strains; Recombinant Proteins; Serotonin; Spinal Cord; Tryptophan; Tyrosine | 1988 |
Conversion of Trp 62 of hen egg-white lysozyme to Tyr by site-directed mutagenesis.
Topics: Animals; Base Sequence; Chickens; Cloning, Molecular; Molecular Sequence Data; Muramidase; Mutation; Saccharomyces cerevisiae; Tryptophan; Tyrosine | 1987 |
Purification and characterization of an inducible aromatic amino acid-sensitive form of chorismate mutase from Solanum tuberosum L. tubers.
Topics: Amino Acids; Binding, Competitive; Chorismate Mutase; Chromatography; Enzyme Activation; Hydrogen-Ion Concentration; Isoelectric Focusing; Isomerases; Kinetics; Phenylalanine; Plants; Tryptophan; Tyrosine | 1988 |
Raman spectroscopic evaluation of aging and long-wave UV exposure in the guinea pig lens: a possible model for human aging.
Topics: Aging; Animals; Disulfides; Guinea Pigs; Lens, Crystalline; Phenylalanine; Protein Conformation; Spectrum Analysis, Raman; Sulfhydryl Compounds; Tryptophan; Tyrosine; Ultraviolet Rays | 1988 |
Effect of aging on intestinal absorption of aromatic amino acids in vitro in the rat.
Topics: Aging; Animals; In Vitro Techniques; Intestinal Absorption; Jejunum; Kinetics; Male; Phenylalanine; Rats; Rats, Inbred F344; Tryptophan; Tyrosine | 1988 |
Exposure and electronic interaction of tyrosine and tryptophan residues in human apolipoprotein A-IV.
Topics: Apolipoproteins A; Humans; Kinetics; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tetranitromethane; Tryptophan; Tyrosine | 1988 |
Fluorescence spectra of NADH/NAD, kynurenine, tryptophan, and tyrosine.
Topics: Kynurenine; NAD; Oxidation-Reduction; Oxidoreductases; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1988 |
Long-wavelength fluorescence of tyrosine and tryptophan: a classic example of second order diffraction.
Topics: Photochemistry; Solutions; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1988 |
Effect of chronic deuterated and non-deuterated phenelzine on rat brain monoamines and monoamine oxidase.
Topics: Animals; Biogenic Amines; Brain; Corpus Striatum; In Vitro Techniques; Male; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Phenelzine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1988 |
Stepwise detoxification from cocaine. A promising regimen.
Topics: Adolescent; Adult; Amantadine; Bromocriptine; Cocaine; Desipramine; Drug Therapy, Combination; Female; Humans; Levodopa; Male; Middle Aged; Substance Withdrawal Syndrome; Substance-Related Disorders; Tryptophan; Tyrosine | 1988 |
Types I and II sensitized photooxidation of aminoacid by phthalocyanines: a flash photochemical study.
Topics: Indoles; Isoindoles; Light; Photochemistry; Pigments, Biological; Tryptophan; Tyrosine | 1988 |
Contributions to selective binding of aromatic amino acid residues to tRNA(Phe).
Topics: Amides; Chemical Phenomena; Chemistry; Kinetics; Mathematics; Models, Theoretical; Phenylalanine; RNA, Transfer, Amino Acid-Specific; RNA, Transfer, Phe; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1988 |
The use of genetically engineered tryptophan to identify the movement of a domain of B. stearothermophilus lactate dehydrogenase with the process which limits the steady-state turnover of the enzyme.
Topics: Genetic Engineering; Geobacillus stearothermophilus; Kinetics; L-Lactate Dehydrogenase; Macromolecular Substances; Magnetic Resonance Spectroscopy; Models, Molecular; Mutation; Protein Conformation; Tryptophan; Tyrosine | 1988 |
Photochemical coupling of 5-bromouracil to tryptophan, tyrosine and histidine, peptide-like derivatives in aqueous fluid solution.
Topics: Bromouracil; Histidine; Lasers; Peptides; Photochemistry; Solutions; Tryptophan; Tyrosine | 1987 |
Exploratory behavior and the dual activity of some psychoactive drugs: Part II.
Topics: Animals; Exploratory Behavior; Male; Mice; Nicotine; Phenylalanine; Piracetam; Psychotropic Drugs; Pyrrolidines; Tryptophan; Tyrosine; Yohimbine | 1987 |
Role of tyrosine and tryptophan residues in the structure-activity relationships of a cardiotoxin from Naja nigricollis venom.
Topics: Animals; Antibodies, Monoclonal; Cell Survival; Circular Dichroism; Cobra Cardiotoxin Proteins; Elapid Venoms; Indicators and Reagents; Magnetic Resonance Spectroscopy; Mice; Models, Molecular; Nitro Compounds; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Tetranitromethane; Tryptophan; Tyrosine | 1987 |
In vitro effects of short-chain aliphatic alcohols, benzyl alcohol and chlorpromazine on the transport of precursors of monoamines across the human erythrocyte membrane.
Topics: Adult; Alcohols; Benzyl Alcohol; Benzyl Alcohols; Chlorpromazine; Dose-Response Relationship, Drug; Erythrocyte Deformability; Erythrocyte Membrane; Ethanol; Humans; Middle Aged; Structure-Activity Relationship; Tryptophan; Tyrosine | 1987 |
Chemical modification of histidine, tyrosine, tryptophan and cysteine residues in carp (Cyprinus carpio) muscle enolase.
Topics: Amino Acids; Animals; Bromosuccinimide; Carps; Cyprinidae; Cysteine; Diethyl Pyrocarbonate; Histidine; Muscles; Nitrogen; Phosphopyruvate Hydratase; Tetranitromethane; Tryptophan; Tyrosine | 1987 |
Photo-CIDNP nuclear magnetic resonance as a probe for conformational changes in epidermal growth factor.
Topics: Animals; Epidermal Growth Factor; Histidine; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; Mice; Protein Conformation; Salivary Glands; Tryptophan; Tyrosine | 1986 |
Unpaired electron migration between aromatic and sulfur peptide units.
Topics: Cysteine; Free Radicals; Oligopeptides; Oxidation-Reduction; Tryptophan; Tyrosine; Water | 1986 |
High-performance liquid chromatography of fluorescent components in serum.
Topics: Chromatography, High Pressure Liquid; Fluorescence; Phenylalanine; Tryptophan; Tyrosine; Uremia | 1987 |
Effects of carbohydrate and protein meals on plasma large neutral amino acids, glucose, and insulin plasma levels of anorectic patients.
Topics: 3-Hydroxybutyric Acid; Adolescent; Adult; Amino Acids; Amino Acids, Branched-Chain; Anorexia; Blood Glucose; Dietary Carbohydrates; Dietary Proteins; Feeding and Eating Disorders; Female; Glucose Tolerance Test; Humans; Hydroxybutyrates; Insulin; Tryptophan; Tyrosine | 1986 |
Chemical modification of tryptophan residues in Escherichia coli succinyl-CoA synthetase. Effect on structure and enzyme activity.
Topics: Binding Sites; Bromosuccinimide; Coenzyme A Ligases; Escherichia coli; Histidine; Kinetics; Macromolecular Substances; Succinate-CoA Ligases; Succinimides; Tryptophan; Tyrosine | 1986 |
Difference in learning and retention by Albino-Swiss mice. Part IV. Effect of some nutrients.
Topics: Amino Acids; Animals; Choline; Diet; Learning; Male; Memory; Mice; Mice, Inbred Strains; Phenylalanine; Phosphatidylserines; Retention, Psychology; Tryptophan; Tyrosine | 1987 |
Raman spectroscopic study on the conformation of 11 S form acetylcholinesterase from Torpedo californica.
Topics: Acetylcholinesterase; Amides; Animals; Circular Dichroism; Protein Conformation; Spectrum Analysis, Raman; Torpedo; Tryptophan; Tyrosine; X-Ray Diffraction | 1987 |
Twenty-four-hour variations in rat blood and brain levels of the aromatic and branched-chain amino acids: chronic effects of dietary protein content.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Brain; Circadian Rhythm; Dietary Proteins; Isoleucine; Leucine; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Valine | 1987 |
Assignment of resonances in the 1H nuclear magnetic resonance spectrum of the carbon monoxide complex of sperm whale myoglobin by phase-sensitive two-dimensional techniques.
Topics: Amino Acid Sequence; Animals; Heme; Macromolecular Substances; Magnetic Resonance Spectroscopy; Myoglobin; Tryptophan; Tyrosine; Whales | 1987 |
Raman and infrared spectra of toxin gamma from the venom of the scorpion Tityus serrulatus.
Topics: Animals; Disulfides; Drug Stability; Hydrogen-Ion Concentration; Methionine; Mice; Phenylalanine; Protein Conformation; Scorpion Venoms; Spectrophotometry, Infrared; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1987 |
Distribution of aromatic and fluorescent compounds within single human lenses.
Topics: Adult; Aged; Aged, 80 and over; Aging; Cataract; Chromatography, High Pressure Liquid; Fluorescence; Humans; Lens, Crystalline; Middle Aged; Tryptophan; Tyrosine; Uric Acid | 1987 |
Protein volumes and hydration effects. The calculations of partial specific volumes, neutron scattering matchpoints and 280-nm absorption coefficients for proteins and glycoproteins from amino acid sequences.
Topics: Amino Acid Sequence; Carbohydrates; Chemical Phenomena; Chemistry, Physical; Crystallography; Cystine; Densitometry; Glycoproteins; Hydrogen-Ion Concentration; Mathematics; Neutrons; Proteins; Scattering, Radiation; Tryptophan; Tyrosine | 1986 |
Spectroscopic studies of lipoproteins.
Topics: Apolipoproteins; Humans; Lipoproteins; Phenylalanine; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 1986 |
L-tyrosine and L-tryptophan transport in red blood cells in normal subjects. Effects of other amino acids, temperature and medium of incubation.
Topics: Alanine; Biological Transport; Erythrocytes; Humans; Kinetics; Leucine; Temperature; Tryptophan; Tyrosine | 1986 |
Proximity relations between tyrosine and tryptophan residues in fd phage determined by luminescence measurements.
Topics: Coliphages; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Viral Proteins | 1986 |
Spectrofluorimetric study of the bile salt micelle binding site of pig and horse colipases.
Topics: Animals; Bile Acids and Salts; Binding Sites; Colipases; Horses; Micelles; Proteins; Spectrometry, Fluorescence; Swine; Tryptophan; Tyrosine | 1986 |
Carbohydrate/protein selection in a single meal correlated with plasma tryptophan and tyrosine ratios to neutral amino acids in fasting individuals.
Topics: Amino Acids; Blood Glucose; Contraceptives, Oral; Dietary Carbohydrates; Dietary Proteins; Fasting; Female; Food Preferences; Humans; Male; Smoking; Tryptophan; Tyrosine | 1986 |
Spectrophotometric determination of tryptophan and tyrosine in peptides and proteins based on new color reactions.
Topics: Cerium; Colorimetry; Formaldehyde; Hydroxylamines; Proteins; Tryptophan; Tyrosine | 1986 |
Regulation of hepatic aromatic amino acid metabolism.
Topics: Biological Transport; Carrier Proteins; Cell Membrane; Liver; Phenylalanine; Tryptophan; Tyrosine | 1986 |
Effect of amino acid supplementation to low protein diet on brain and plasma levels of tryptophan and brain 5-hydroxyindoles in rats.
Topics: Amino Acids; Animals; Brain; Dietary Proteins; Female; Hypothalamus; Indoles; Norepinephrine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1987 |
What causes the depolarization of trypsin and trypsinogen fluorescence. Intramolecular mobility or non-radiative energy transfer?
Topics: Energy Transfer; Luminescent Measurements; Protein Conformation; Spectrometry, Fluorescence; Trypsin; Trypsinogen; Tryptophan; Tyrosine | 1986 |
An active center tryptophan residue in liquefying alpha-amylase from Bacillus amyloliquefaciens.
Topics: alpha-Amylases; Bacillus; Binding Sites; Bromosuccinimide; Chemical Phenomena; Chemistry; Hydrolysis; Spectrophotometry; Starch; Tryptophan; Tyrosine | 1985 |
Discrimination of Na+-independent transport systems L, T, and asc in erythrocytes. Na+ independence of the latter a consequence of cell maturation?
Topics: Amino Acids; Biological Transport, Active; Erythrocyte Aging; Erythrocytes; Ethylmaleimide; Glutamine; Histidine; Humans; Hydrogen-Ion Concentration; Leucine; Sodium; Threonine; Tryptophan; Tyrosine | 1985 |
Identification of peptides containing tryptophan, tyrosine, and phenylalanine using photodiode-array spectrophotometry.
Topics: Apolipoprotein A-I; Apolipoproteins A; Chemical Phenomena; Chemistry; Chromatography, High Pressure Liquid; Humans; Mathematics; Peptide Fragments; Phenylalanine; Spectrophotometry, Ultraviolet; Trypsin; Tryptophan; Tyrosine | 1985 |
Binding of 2-(4'-hydroxyphenylazo) benzoic acid with arginine, lysine, tyrosine and tryptophan modified bovine serum albumin.
Topics: Animals; Arginine; Azo Compounds; Binding Sites; Cattle; Circular Dichroism; Lysine; Protein Binding; Serum Albumin, Bovine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1985 |
Analysis of the factors and implications of an empirical method for estimating the stability of mutant human haemoglobins.
Topics: Amino Acid Sequence; Glycine; Hemoglobins; Humans; Macromolecular Substances; Monte Carlo Method; Mutation; Probability; Protein Conformation; Serine; Tryptophan; Tyrosine | 1985 |
Immobilization decreases amino acid concentrations in plasma but maintains or increases them in brain.
Topics: Amino Acids; Animals; Brain Chemistry; Humans; Immobilization; Isoleucine; Leucine; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Valine | 1986 |
Evidence from pulse radiolysis and flash photolysis of the environment of tryptophan and tyrosine in the coat protein of fd phage.
Topics: Bacteriophages; Electrochemistry; Free Radicals; Photolysis; Pulse Radiolysis; Solutions; Tryptophan; Tyrosine; Viral Envelope Proteins | 1986 |
Transport of the aromatic amino acids into isolated rat liver cells. Properties of uptake by two distinct systems.
Topics: Amino Acids; Amino Acids, Cyclic; Animals; Biological Transport; Cell Membrane; In Vitro Techniques; Kinetics; Leucine; Liver; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1986 |
Automated method to estimate catecholamine and indoleamine content and turnover rates.
Topics: Animals; Autoanalysis; Biotransformation; Brain; Cerebral Cortex; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Hippocampus; Kinetics; Male; Mice; Serotonin; Tryptophan; Tyrosine | 1986 |
Selective and differential medium for the primary isolation of members of the Proteeae.
Topics: Clindamycin; Colistin; Culture Media; Enterobacteriaceae; Humans; Pigments, Biological; Proteus; Providencia; Tryptophan; Tyrosine | 1986 |
Determination of tyrosine, tryptophan and their metabolic derivatives by liquid chromatography-electrochemical detection: application to post mortem samples from patients with Parkinson's and Alzheimer's disease.
Topics: Aged; Alzheimer Disease; Animals; Chromatography, High Pressure Liquid; Electrochemistry; Female; Humans; Male; Middle Aged; Parkinson Disease; Rats; Tryptophan; Tyrosine | 1985 |
The effect of acute lithium administration on brain monoamine synthesis and the precursor amino acids tyrosine and tryptophan in brain and plasma in rats.
Topics: Animals; Brain; Brain Chemistry; Catecholamines; Lithium; Male; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1985 |
Effect of various oral protein doses on plasma neutral amino acid levels.
Topics: Adult; Albumins; Amino Acids; Dietary Proteins; Female; Humans; Tryptophan; Tyrosine | 1985 |
Analysis and identification of aromatic signals in the proton magnetic resonance spectrum of the kringle 4 fragment from human plasminogen.
Topics: Humans; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; Peptide Fragments; Plasminogen; Protein Conformation; Tryptophan; Tyrosine | 1985 |
6R-L-erythro-5,6,7,8-tetrahydrobiopterin as a regulator of dopamine and serotonin biosynthesis in the rat brain.
Topics: Animals; Biopterins; Brain; Dopamine; Hydroxylation; Isomerism; Probenecid; Pteridines; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1985 |
Synthesis and biological activities of analogues of angiotensins II and III containing O-methyltyrosine and D-tryptophan.
Topics: Angiotensin II; Angiotensin III; Angiotensin Receptor Antagonists; Animals; Female; In Vitro Techniques; Phenylalanine; Protein Conformation; Rats; Rats, Inbred Strains; Receptors, Angiotensin; Structure-Activity Relationship; Tryptophan; Tyrosine; Uterus | 1985 |
Tyrosine-to-tryptophan energy transfer and the structure of calf gamma-II crystallin.
Topics: Animals; Cattle; Crystallins; Energy Metabolism; Energy Transfer; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1985 |
The effect of pyridoxine deficiency on the metabolism of the aromatic amino acids by isolated rat liver cells.
Topics: Amino Acids; Aminooxyacetic Acid; Animals; Dietary Proteins; Hydrolases; Liver; Male; Mathematics; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tryptophan Oxygenase; Tyrosine; Vitamin B 6 Deficiency | 1985 |
Partial purification and some properties of tryptophan decarboxylase from a Bacillus strain.
Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Aromatic-L-Amino-Acid Decarboxylases; Bacillus; Chromatography, Ion Exchange; Enzyme Induction; Hydrogen-Ion Concentration; Phenylalanine; Sonication; Temperature; Tryptamines; Tryptophan; Tyrosine | 1985 |
Biochemical and diagnostic classification and serum drug levels: relation to antidepressive effect of imipramine.
Topics: Adjustment Disorders; Depressive Disorder; Desipramine; Female; Humans; Imipramine; Male; Middle Aged; Retrospective Studies; Tryptophan; Tyrosine | 1985 |
Tyrosyl fluorescence spectra of proteins lacking tryptophan: effects of intramolecular interactions.
Topics: Protein Conformation; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1985 |
Structure and stability of gamma-crystallins. I. Spectroscopic evaluation of secondary and tertiary structure in solution.
Topics: Animals; Cattle; Circular Dichroism; Crystallins; Fluorescence; Hydrogen-Ion Concentration; Protein Conformation; Solutions; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1985 |
Reactivities of tyrosine, histidine, tryptophan, and methionine in radical pair formation in flavin triplet induced protein nuclear magnetic polarization.
Topics: Flavins; Histidine; Kinetics; Magnetic Resonance Spectroscopy; Methionine; Oligopeptides; Photolysis; Proteins; Tryptophan; Tyrosine | 1985 |
Analysis of cheese for histamine, tyramine, tryptamine, histidine, tyrosine, and tryptophane.
Topics: Cheese; Chromatography, High Pressure Liquid; Histamine; Histidine; Tryptamines; Tryptophan; Tyramine; Tyrosine | 1985 |
An increase in tryptophan in brain may be a general mechanism for the effect of stress on sensitivity to pain.
Topics: Animals; Brain Chemistry; Male; Morphine; Pain; Rats; Restraint, Physical; Stress, Psychological; Time Factors; Tryptophan; Tyrosine | 1985 |
Carbidopa dosage modifies L-dopa induced side effects and blood levels of L-dopa and other amino acids in advanced parkinsonism.
Topics: Aged; Carbidopa; Drug Therapy, Combination; Female; Homovanillic Acid; Humans; Kinetics; Levodopa; Male; Middle Aged; Parkinson Disease; Tryptophan; Tyrosine | 1985 |
Evaluation of combined electrochemical and ultraviolet detection in the high-performance liquid chromatographic analysis of plasma for low-molecular-weight constituents.
Topics: Chromatography, High Pressure Liquid; Electrochemistry; Humans; Indicators and Reagents; Molecular Weight; Nucleic Acids; Oxidation-Reduction; Plasma; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Ultrafiltration | 1985 |
Effects of chronic lithium treatment on brain monoamine metabolism and amphetamine-induced locomotor stimulation in rats.
Topics: Animals; Biogenic Amines; Brain; Catecholamines; Dextroamphetamine; Lithium; Male; Motor Activity; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1985 |
Ricin D-saccharide interaction as studied by ultraviolet difference spectroscopy.
Topics: Binding Sites; Carbohydrate Metabolism; Hydrogen-Ion Concentration; Kinetics; Ricin; Spectrophotometry, Ultraviolet; Substrate Specificity; Tryptophan; Tyrosine | 1985 |
Spectrophotometric determination of some peptidases.
Topics: Amino Acid Oxidoreductases; Isoleucine; Leucine; Methionine; Methods; Microchemistry; NAD; Peptide Hydrolases; Peroxidases; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1970 |
[Demonstration of fibrin and amyloid using morphological methods in tissue sections].
Topics: Amyloid; Amyloidosis; Biopsy; Fibrin; Fluorescent Antibody Technique; Histocytochemistry; Humans; Intestinal Mucosa; Microscopy, Electron; Rectum; Staining and Labeling; Tryptophan; Tyrosine | 1970 |
A histochemical study of the effects of castration and testosterone administration on the major salivary glands of Swiss mice.
Topics: Animals; Castration; Female; Glycosaminoglycans; Histocytochemistry; Male; Mice; Ovary; Parotid Gland; RNA; Salivary Glands; Staining and Labeling; Sublingual Gland; Submandibular Gland; Testis; Testosterone; Tryptophan; Tyrosine | 1970 |
Histochemical significance of green metachromasia to toluidine blue.
Topics: Calcium Chloride; Glycosaminoglycans; Histocytochemistry; Iron; Phenols; Phenylalanine; Staining and Labeling; Toluene; Tryptophan; Tyrosine | 1970 |
The evolution of the immune reponse. IX. Immunoglobulins of the bowfin: purification and characterization.
Topics: Amino Acid Sequence; Animals; Antibody Formation; Antigens; Biological Evolution; Blood Proteins; Brucella abortus; Chromatography, Gel; Chromatography, Ion Exchange; Circular Dichroism; Fishes; Fucose; gamma-Globulins; Hexosamines; Hexoses; Immunization; Immunochemistry; Immunodiffusion; Immunoelectrophoresis; Immunoglobulin M; Immunoglobulins; Iron Isotopes; Molecular Weight; Neuraminic Acids; Solvents; Spectrophotometry; Transferrin; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation | 1971 |
[Physical chemical properties of component II of duck lysosomes].
Topics: Amino Acid Sequence; Animals; Binding Sites; Chemical Phenomena; Chemistry, Physical; Chickens; Diffusion; Ducks; Glucosamine; Hot Temperature; Hydrogen-Ion Concentration; Lysosomes; Muramidase; Optical Rotatory Dispersion; Phenylalanine; Protein Denaturation; Species Specificity; Spectrophotometry; Tryptophan; Tyrosine | 1970 |
[Quantitative cytochemistry of the inner ear of the young and senile guinea pig].
Topics: Aging; Animals; Ear, Inner; Guinea Pigs; Histocytochemistry; Microscopy; Organ of Corti; Photometry; Proteins; RNA; Staining and Labeling; Tritium; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
The histochemistry of the avian parathyroid and ultimobranchial glands. I. Carbohydrates and proteins.
Topics: Amino Acids; Animals; Arginine; Carbohydrates; Chickens; Colloids; Cytoplasmic Granules; DNA; Endocrine Glands; Glycogen; Glycosaminoglycans; Lipids; Mucoproteins; Parathyroid Glands; Phospholipids; Proteins; RNA; Staining and Labeling; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1971 |
A repeating subunit of soluble prekeratin.
Topics: Amino Acids; Animals; Cattle; Chromatography, Paper; Chymotrypsin; Cystine; Electrophoresis, Paper; Histidine; Keratins; Macromolecular Substances; Methionine; Molecular Weight; Nose; Peptides; Proteins; Skin; Staining and Labeling; Trypsin; Tryptophan; Tyrosine | 1972 |
Observations on the use of diazo-I-H-tetrazole and phenylglyoxal in protein histochemistry as applied to human gingiva.
Topics: Acetates; Arginine; Azo Compounds; Diazonium Compounds; Gingiva; Glyoxylates; Histidine; Histocytochemistry; Humans; Hydrogen-Ion Concentration; Larynx; Proteins; Pyridines; Ribonucleases; Skin; Staining and Labeling; Tetrazolium Salts; Tryptophan; Tyrosine | 1970 |
Chemical modification of carboxypeptidase A crystals. Azo coupling with tyrosine-248.
Topics: Amino Acids; Aniline Compounds; Animals; Antibodies; Arsenicals; Azo Compounds; Carboxypeptidases; Cattle; Chemical Phenomena; Chemistry; Chromatography, Affinity; Chromatography, Gel; Chromatography, Ion Exchange; Chymotrypsin; Circular Dichroism; Cyanogen Bromide; Diazonium Compounds; gamma-Globulins; Magnetics; Peptides; Rabbits; Succinates; Threonine; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Clinicopathologic and histochemical characterization of submucosal deposits in snuff dipper's keratosis.
Topics: Adult; Amyloid; Carbohydrates; Eosinophils; Histocytochemistry; Humans; Keratosis; Male; Middle Aged; Mouth Diseases; Mouth Mucosa; Nicotiana; Plants, Toxic; Staining and Labeling; Tryptophan; Tyrosine | 1972 |
The behaviour of the proteins in the growing oocytes of Boops boops.
Topics: Animals; Arginine; Female; Fishes; Ovum; Proteins; Staining and Labeling; Tryptophan; Tyrosine; Vitelline Membrane | 1972 |
Histochemical azo coupling of protein histidine. Brunswik's nitration method.
Topics: Acetates; Animals; Azo Compounds; Histidine; Histocytochemistry; Methods; Nitrates; Proteins; Rats; Staining and Labeling; Tryptophan; Tyrosine | 1972 |
Immunochemical studies on the tryptophan-modified cobrotoxin.
Topics: Animals; Antibody Formation; Bromine; Chemical Phenomena; Chemistry; Epitopes; Formates; Histidine; Immunization; Immunodiffusion; Lethal Dose 50; Nitrobenzenes; Oxidation-Reduction; Ozone; Precipitin Tests; Rabbits; Snakes; Spectrophotometry; Succinimides; Sulfenic Acids; Toxins, Biological; Tryptophan; Tyrosine; Venoms | 1973 |
Deamination by the diazotization-deazotization method.
Topics: Benzene Derivatives; Chemical Phenomena; Chemistry; Connective Tissue; Deamination; Diazonium Compounds; Epithelium; Evaluation Studies as Topic; Fluorine; Gingiva; Histocytochemistry; Humans; Keratins; Lysine; Nitro Compounds; Proteins; Staining and Labeling; Tryptophan; Tyrosine | 1973 |
Properties and immunochemical reactivities of native and modified human-serum albumin.
Topics: Animals; Antigen-Antibody Reactions; Chemical Phenomena; Chemistry; Chromatography, Gel; Epitopes; Histidine; Humans; Immune Sera; Immunodiffusion; Immunoelectrophoresis; Immunoglobulin G; Lysine; Macromolecular Substances; Methods; Optical Rotatory Dispersion; Protein Conformation; Rabbits; Serum Albumin; Serum Albumin, Radio-Iodinated; Tryptophan; Tyrosine; Ultracentrifugation | 1972 |
Thermally induced structural changes in immunoglobulin E.
Topics: Acetamides; Carboxylic Acids; Chromatography, Gel; Chromatography, Ion Exchange; Circular Dichroism; Epitopes; Guanidines; Hot Temperature; Humans; Immunoglobulin E; Immunoglobulin Fab Fragments; Immunoglobulin Fc Fragments; Immunoglobulin Fragments; Iodoacetates; Models, Structural; Myeloma Proteins; Pepsin A; Protein Conformation; Protein Denaturation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Ultraviolet Rays | 1973 |
Histochemical studies on calcified tissues. I. Amino acid histochemistry of foetal calf and human enamel matrix.
Topics: Amino Acids; Animals; Arginine; Carboxylic Acids; Cattle; Collagen; Cysteine; Dental Enamel; Histidine; Histocytochemistry; Humans; Keratins; Lysine; Microscopy, Phase-Contrast; Odontogenesis; Staining and Labeling; Tooth Germ; Tryptophan; Tyrosine | 1974 |
Amyloid in normal and pathological parathyroid glands.
Topics: Aging; Amyloid; Amyloidosis; Autopsy; Histocytochemistry; Humans; Parathyroid Glands; Staining and Labeling; Thyroidectomy; Tryptophan; Tyrosine | 1974 |
Histochemical studies on calcified tissues. II. Amino acid histochemistry of developing dentine and bone.
Topics: Amino Acids; Animals; Arginine; Bone Matrix; Calcification, Physiologic; Cattle; Cysteine; Dentin; Dentinogenesis; Histidine; Histocytochemistry; Incisor; Lysine; Odontogenesis; Osteogenesis; Staining and Labeling; Sulfhydryl Compounds; Tooth Germ; Tryptophan; Tyrosine | 1974 |
The histology and histochemistry of the cuticle of females of Enterobius vermicularis.
Topics: Animals; Arginine; Enterobius; Female; Glycosaminoglycans; Histocytochemistry; Microscopy, Electron; Phospholipids; Polysaccharides; Proteins; Staining and Labeling; Tryptophan; Tyrosine | 1973 |
[Kinetic and chemical study of succinyl papain].
Topics: Acylation; Binding Sites; Caseins; Hydrogen-Ion Concentration; Isoleucine; Kinetics; Methane; Nitro Compounds; Oxidation-Reduction; Papain; Protamines; Protein Conformation; Structure-Activity Relationship; Succinates; Succinimides; Tryptophan; Tyrosine | 1972 |
[Regulation of aromatic amino acid biosynthesis in streptomycetes].
Topics: Aldehyde-Lyases; Chloramphenicol; Enzyme Induction; Enzyme Repression; Heptoses; Phenylalanine; Phosphates; Streptomyces; Tryptophan; Tyrosine | 1972 |
[The effect of L-2,5-dihydrophenylalanine].
Topics: Aldehyde-Lyases; Anti-Bacterial Agents; Bacterial Proteins; Binding, Competitive; Cyclohexanecarboxylic Acids; Escherichia coli; Feedback; Fluorine; Heptoses; Isoenzymes; Microbial Sensitivity Tests; Oxidoreductases; Phenylalanine; Phosphoenolpyruvate; Protein Biosynthesis; Pyruvates; Tetroses; Tryptophan; Tyrosine | 1972 |
[Effect of specific amino acids on the hot-bath-test in multiple sclerosis patients].
Topics: Amino Acids; Asparagine; Body Temperature; Epinephrine; Female; Flicker Fusion; Glutamine; Humans; Male; Multiple Sclerosis; Neurotransmitter Agents; Norepinephrine; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 1973 |
Effect of ethanol on the hydroxylation of tyrosine and tryptophan in rat brain in vivo.
Topics: Animals; Brain; Carboxy-Lyases; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Ethanol; Hydralazine; Hydroxylation; In Vitro Techniques; Norepinephrine; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1973 |
Dopa decarboxylase in medullary carcinoma of the thyroid.
Topics: Adrenal Gland Neoplasms; Amine Oxidase (Copper-Containing); Aromatic Amino Acid Decarboxylase Inhibitors; Carbidopa; Carcinoma; Cresols; Dihydroxyphenylalanine; Dopa Decarboxylase; Histamine; Histidine; Humans; Hydrazines; Hydroxylamines; Methyldopa; Methylhistidines; Norepinephrine; Pheochromocytoma; Serotonin; Thyroid Gland; Thyroid Neoplasms; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Aromatic amino acid metabolism in brindled (Mobr) and viable-brindled (Movbr), two alleles at the mottled locus in the mouse.
Topics: Alleles; Animals; Brain; Dopamine; Enzyme Induction; Female; Genetic Linkage; Hydrocortisone; Liver; Male; Mice; Mutation; Myocardium; Norepinephrine; Phenylalanine; Phenylalanine Hydroxylase; Serotonin; Sex Chromosomes; Spleen; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1972 |
Neurotransmitter synthesis in the tectum of the tiger salamander Ambystoma tigrinum.
Topics: Acetylcholine; Aminobutyrates; Animals; Catecholamines; Choline; Glutamine; Neurotransmitter Agents; Serotonin; Superior Colliculi; Tritium; Tryptophan; Tyramine; Tyrosine; Urodela | 1973 |
Effect of high- and low-protein diets on the regulation of rat liver tyrosine aminotransferase and tryptophan oxygenase activities by L-tyrosine and L-tryptophan.
Topics: Animals; Body Weight; Dietary Proteins; Enzyme Induction; Liver; Male; Organ Size; Rats; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1973 |
Comparison of the chronic and acute effects of D-lysergic acid diethylamide (LSD) treatment on rat brain serotonin and norepinephrine.
Topics: Animals; Brain Stem; Hydroxyindoleacetic Acid; Lysergic Acid Diethylamide; Male; Norepinephrine; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Proceedings: An esr titration technique for the determination of accessible tyrosyl and tryptophyl residues in globular proteins.
Topics: Electron Spin Resonance Spectroscopy; Methods; Nitro Compounds; Proteins; Tryptophan; Tyrosine | 1973 |
Cold exposure: effects on hepatic tryptophan oxygenase and tyrosine aminotransferase, plasma tryptophan and tyrosine, and brain monoamines.
Topics: Animals; Brain; Brain Chemistry; Cold Temperature; Environmental Exposure; Liver; Male; Mice; Neurotransmitter Agents; Norepinephrine; Serotonin; Time Factors; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1974 |
Redox state and chain folding in cytochrome c.
Topics: Amino Acid Sequence; Amino Acids; Animals; Binding Sites; Biological Evolution; Cytochrome c Group; Fishes; Heme; Horses; Iron; Models, Structural; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Porphyrins; Protein Binding; Protein Conformation; Species Specificity; Tryptophan; Tyrosine | 1974 |
An ESR titration technique for the determination of accessible tyrosine and tryptophan residues in globular proteins.
Topics: Animals; Cattle; Electron Spin Resonance Spectroscopy; Free Radicals; Globulins; Humans; Insulin; Muramidase; Nitroso Compounds; Proteins; Ribonucleases; Serum Albumin; Serum Albumin, Bovine; Swine; Trypsin; Tryptophan; Tyrosine | 1974 |
A histochemical study of testosterone-induced changes in the submandibular and sublingual gland of mice.
Topics: Alkaline Phosphatase; Animals; Female; Histocytochemistry; In Vitro Techniques; Male; Mice; Staining and Labeling; Sublingual Gland; Submandibular Gland; Sulfhydryl Compounds; Testosterone; Tryptophan; Tyrosine | 1965 |
[Morphological and physical-optic studies on Achilles and patellar tendons].
Topics: Achilles Tendon; Adolescent; Adult; Aged; Blood Proteins; Child; Child, Preschool; Glycosaminoglycans; Histocytochemistry; Humans; In Vitro Techniques; Infant; Infant, Newborn; Middle Aged; Patella; Staining and Labeling; Tendons; Tryptophan; Tyrosine; Ultraviolet Rays | 1965 |
Nature of the gastric secretagogue in Zollinger-Ellison tumours.
Topics: Alanine; Aspartic Acid; Gastrins; Glutamates; Glycine; Humans; In Vitro Techniques; Leucine; Methionine; Proline; Spectrum Analysis; Tryptophan; Tyrosine; Zollinger-Ellison Syndrome | 1967 |
[Histochemical studies on the colloid bodies of infantile kidneys in nephrolithiasis].
Topics: Arginine; Colloids; Glycosaminoglycans; Histocytochemistry; Humans; Infant; Kidney; Kidney Calculi; Kidney Tubules; Mucoproteins; Staining and Labeling; Tetrazolium Salts; Tryptophan; Tyrosine | 1967 |
[Study of the photoconductivity of aromatic amino acid solutions and protein films].
Topics: Amino Acids; Conductometry; Dactinomycin; Fluorescence; Light; Muscle Proteins; Radiation Effects; Semiconductors; Tryptophan; Tyrosine | 1966 |
Circular dichroism studies on native fetuin and some of its derivatives.
Topics: Alpha-Globulins; Animals; Cattle; Detergents; Hydrogen-Ion Concentration; Iodoacetates; Neuraminidase; Oxidation-Reduction; Protein Denaturation; Spectrum Analysis; Sulfates; Sulfides; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
In vitro uptake of labelled amino acids by the skin of children with generalized congenital analgesia.
Topics: Autoradiography; Biopsy; Black People; Brazil; Carbon Isotopes; Child, Preschool; Humans; In Vitro Techniques; Leucine; Pain; Pain Insensitivity, Congenital; Skin; Tryptophan; Tyrosine; White People | 1969 |
Bovine alpha-lactalbumin: its structure in solution as compared to hen lysozyme.
Topics: Albumins; Animals; Cattle; Chemical Phenomena; Chemistry; Chickens; Hot Temperature; Muramidase; Optical Rotatory Dispersion; Ovalbumin; Protein Denaturation; Solutions; Spectrum Analysis; Thermodynamics; Tryptophan; Tyrosine | 1969 |
Iodine and persulfate as histochemical blocking agents for tyrosine and tryptophan residues in human gingiva.
Topics: Gingiva; Iodine; Staining and Labeling; Sulfates; Tryptophan; Tyrosine | 1969 |
[Comparative studies on the histochemical behavior of amyloid, fibrinoid and hyalin precipitates in the walls of blood vessels of various mammals and birds. 1. Proteins].
Topics: Amyloid; Animals; Arginine; Birds; Blood Vessels; Fibrin; Histocytochemistry; Hyalin; Indicators and Reagents; Mammals; Sulfhydryl Compounds; Sulfides; Tryptophan; Tyrosine | 1969 |
Platelet reactions and immune processes. 3. The inhibition of platelet aggregation by chymotrypsin substrates and inhibitors.
Topics: Amino Acids; Benzoates; Blood Platelets; Chymotrypsin; Cinnamates; Collagen; Cyclohexanes; Epinephrine; Esterases; Histamine Release; Humans; Isoquinolines; Latex; Lysine; Microspheres; Phenols; Phenylacetates; Phenylalanine; Platelet Adhesiveness; Quinolines; Tryptophan; Tyrosine | 1970 |
Chorismate mutase from Streptomyces aureofaciens: a heat-stable enzyme.
Topics: Cell-Free System; Centrifugation, Density Gradient; Chromatography, Ion Exchange; Cyclohexanecarboxylic Acids; Cyclohexanes; Feedback; Hot Temperature; Hydro-Lyases; Hydrogen-Ion Concentration; Isomerases; Molecular Weight; Multienzyme Complexes; ortho-Aminobenzoates; Oxidoreductases; Phenylalanine; Protein Denaturation; Pyruvates; Stereoisomerism; Streptomyces; Streptomyces aureofaciens; Transaminases; Tryptophan; Tyrosine; Vinyl Compounds | 1973 |
Observations on endopeptidases in human carious dentin.
Topics: Arginine; Benzoates; Cetylpyridinium; Dental Caries; Dentin; DNA; Edetic Acid; Hemoglobins; Humans; Hydrogen-Ion Concentration; Hydrolysis; In Vitro Techniques; Mercury; Naphthalenes; Peptide Hydrolases; Protease Inhibitors; Tryptophan; Tyrosine | 1972 |
Growth inhibition by L-phenylalanine in Agmenellum quadruplicatum. A clue to some amino acid interrelationships.
Topics: Alanine; Aldehyde-Lyases; Amino Acids; Culture Media; Cyanobacteria; Heptoses; Isoleucine; Leucine; Methionine; Mutation; Phenylalanine; Phenylpyruvic Acids; Stereoisomerism; Tetroses; Time Factors; Tryptophan; Tyrosine | 1973 |
Gene-enzyme relationships of aromatic acid biosynthesis in Bacillus subtilis.
Topics: Alcohol Oxidoreductases; Aldehyde-Lyases; Bacillus subtilis; Cell-Free System; Chromosome Mapping; Genes; Hydro-Lyases; Lyases; Mutagens; Mutation; Nitrosoguanidines; Phenylalanine; Phosphotransferases; Transaminases; Transduction, Genetic; Transferases; Transformation, Genetic; Tryptophan; Tyrosine; Ultraviolet Rays | 1973 |
Learning in monkeys fed elevated amino acid diets.
Topics: Alanine; Amino Acids; Animals; Diet; Discrimination Learning; Female; Food; Glycine; Haplorhini; Histidine; Humans; Learning; Macaca; Monkey Diseases; Phenylalanine; Phenylketonurias; Pregnancy; Problem Solving; Reward; Tryptophan; Tyrosine | 1973 |
Genes and isoenzymes controlling the first step in the aromatic amino acid biosynthesis in Schizosaccharomyces pombe.
Topics: Aldehyde-Lyases; Ascomycota; Chromatography, Gel; Cobalt; Crosses, Genetic; Edetic Acid; Enzyme Induction; Genes; Genetic Linkage; Heptoses; Hydrogen-Ion Concentration; Isoenzymes; Kinetics; Manganese; Mutation; Phenylalanine; Phosphoenolpyruvate; Spores, Fungal; Tetroses; Tryptophan; Tyrosine | 1974 |
Production of L-phenylalanine by DL-phenylalanine hydroxamate-resistant Tyr- mutants of Bacillus subtilis.
Topics: Bacillus subtilis; Cell Division; Chromatography, Paper; Drug Resistance, Microbial; Hydroxamic Acids; Mutation; Phenylalanine; Species Specificity; Time Factors; Tryptophan; Tyrosine | 1974 |
Physicochemical studies of Ca++ controlled antigen antibody systems.
Topics: Alanine; Animals; Antigen-Antibody Complex; Antigen-Antibody Reactions; Antigens; Binding Sites, Antibody; Calcium; Cations, Divalent; Circular Dichroism; Edetic Acid; Glutamates; Immunoglobulin Fab Fragments; Immunoglobulin G; Kinetics; Peptides; Precipitin Tests; Rabbits; Sheep; Spectrophotometry; Time Factors; Tritium; Tryptophan; Tyrosine; Ultracentrifugation | 1974 |
Mis-regulation of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase does not account for growth inhibition by phenylalanine in Agmenellum quadruplicatum.
Topics: Amino Acid Isomerases; Cell-Free System; Cyanobacteria; Enzyme Repression; Feedback; Hydro-Lyases; Ligases; Mutation; Phenylalanine; Phenylpyruvic Acids; Stereoisomerism; Transaminases; Tryptophan; Tyrosine | 1974 |
[Histochemical evidence of aminotransferases. I. Method of histochemical demonstration of a few aminotransferases in rat organs (author's transl)].
Topics: Alanine; Animals; Asparagine; Dihydrolipoamide Dehydrogenase; Electron Transport; Glutamate Dehydrogenase; Glutamates; Glycine; Histocytochemistry; Isoleucine; Ketoglutaric Acids; Kidney; Leucine; Liver; Phenylalanine; Rats; Transaminases; Tryptophan; Tyrosine; Valine | 1974 |
A histochemical study of the effect of impaired thyroid function and replacement therapy on the mouse submandibular gland.
Topics: Alkaline Phosphatase; Animals; Female; Glycosaminoglycans; Histocytochemistry; Male; Mice; RNA; Sex; Submandibular Gland; Thiouracil; Thyroid Gland; Thyroxine; Tryptophan; Tyrosine | 1967 |
[Histology and ultrastructure of the luminous organs of the siphon of Pholas].
Topics: Animals; Glycoproteins; Glycosaminoglycans; Mollusca; Mucoproteins; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1966 |
The effect of impaired thyroid function upon salivary gland histochemistry in the rat.
Topics: Alkaline Phosphatase; Animals; Female; Glycosaminoglycans; Histocytochemistry; Hypophysectomy; Male; Rats; RNA; Submandibular Gland; Sulfhydryl Compounds; Thiouracil; Thyroid Gland; Tryptophan; Tyrosine | 1967 |
Studies on the properties of chemically modified actin. I. Photooxidation, succinylation, nitration.
Topics: Adenosine Triphosphatases; Alkanes; Anhydrides; Chemical Phenomena; Chemical Precipitation; Chemistry; Light; Muscle Proteins; Nitrates; Oxidation-Reduction; Succinates; Sulfhydryl Compounds; Time Factors; Tryptophan; Tyrosine; Viscosity | 1968 |
The role of the follicle cells during oogenesis in the chiton Sypharochiton septentriones (Ashby) (Polyplacaphora, Mollusca).
Topics: Acid Phosphatase; Alkaline Phosphatase; Animals; Cytoplasm; DNA; Extraembryonic Membranes; Female; Glycogen; Glycosaminoglycans; Histidine; Histocytochemistry; Indicators and Reagents; Lipids; Lipoproteins; Lysosomes; Microscopy, Electron; Mitochondria; Mollusca; Ovary; Ovum; Phospholipids; Proteins; RNA; Tryptophan; Tyrosine | 1970 |
Purification and properties of 5-hydroxytryptophan decarboxylase from monkey small intestine.
Topics: 5-Hydroxytryptophan; Amines; Animals; Aspartic Acid; Benzoates; Carboxy-Lyases; Edetic Acid; Glutamates; Glutathione; Haplorhini; Histidine; Intestine, Small; Keto Acids; Kinetics; Male; Mercaptoethanol; Metals; Phenylalanine; Pyridoxal Phosphate; Tryptophan; Tyrosine | 1970 |
[Active storage of tryptophan in the isolated rat cerebral cortex].
Topics: Animals; Biological Transport, Active; Cerebral Cortex; Female; In Vitro Techniques; Kinetics; Male; Phenylalanine; Rats; Sodium; Tryptophan; Tyrosine | 1970 |
Interaction of heavy meromyosin with substrate. IV. Studies on the tyrosine and tryptophan residues by solvent perturbation method.
Topics: Adenosine Triphosphatases; Adenosine Triphosphate; Chemical Phenomena; Chemistry; Deuterium; Esters; Glycerol; Glycols; Methods; Muscle Proteins; Optical Rotatory Dispersion; Phenylalanine; Solvents; Spectrophotometry; Sucrose; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Effect of nitroarginine on phenylalanine under acid hydrolytic conditions.
Topics: Amino Acids; Arginine; Chemical Phenomena; Chemistry; Chlorine; Chromatography, Gas; Fenclonine; Hydrochloric Acid; Hydrogen-Ion Concentration; Hydrolysis; Mass Spectrometry; Methionine; Nitrates; Nitro Compounds; Peptides; Phenylalanine; Tryptophan; Tyrosine | 1971 |
Physical dependence on morphine fails to increase serotonin turnover rate in rat brain.
Topics: Animals; Body Temperature; Brain; Carbon Isotopes; Fenclonine; Humans; Male; Mathematics; Morphine Dependence; Nalorphine; Norepinephrine; Rats; Serotonin; Substance Withdrawal Syndrome; Tritium; Tryptophan; Tyrosine | 1971 |
Serum levels of phenylalanine and tyrosine in Huntington's chorea.
Topics: Adult; Aged; Analysis of Variance; Antidepressive Agents; Body Weight; Dopamine; Female; Humans; Huntington Disease; Male; Middle Aged; Norepinephrine; Parasympatholytics; Phenylalanine; Psychotic Disorders; Reserpine; Schizophrenia; Tryptophan; Tyrosine | 1971 |
[Histochemical studies of the anal glands in rabbits].
Topics: Animals; Carbohydrates; Cysteine; Female; Glycogen; Glycosaminoglycans; Histidine; Histocytochemistry; Isocitrate Dehydrogenase; L-Lactate Dehydrogenase; Lipids; Male; Nucleoproteins; Perianal Glands; Rabbits; Succinate Dehydrogenase; Tryptophan; Tyrosine | 1970 |
Effects of oral administration of p-chlorophenylalanine to experimental animals.
Topics: Animals; Body Weight; Brain Chemistry; Diet; Fenclonine; Liver; Male; Organ Size; Phenylalanine; Phenylalanine Hydroxylase; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1970 |
Interference of hexosamines in the Lowry reaction.
Topics: Amino Acids; Animals; Cattle; Chemical Phenomena; Chemistry; Color; Evaluation Studies as Topic; Galactosamine; Glucosamine; Glycosaminoglycans; Hexosamines; Hydrogen-Ion Concentration; Hydrolysis; Mannose; Methods; Proteins; Serum Albumin, Bovine; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Selective reduction of tryptophan hydroxylase activity in rat forebrain after midbrain raphe lesions.
Topics: 5-Hydroxytryptophan; Animals; Brain Stem; Carbon Isotopes; Cerebral Cortex; Chromatography, Thin Layer; Dihydroxyphenylalanine; Fenclonine; Male; Mesencephalon; Mixed Function Oxygenases; Rats; Serotonin; Tryptophan; Tyrosine | 1971 |
[Indices of tyrosine and tryptophan metabolism in children with Down's disease].
Topics: Adolescent; Biotransformation; Child; Down Syndrome; Female; Humans; Male; Tryptophan; Tyrosine | 1972 |
[Variations of cerebral biogenic amines after injection of 4-butyrolactone].
Topics: Amines; Animals; Attention; Brain; Dopamine; Furans; Hydroxyindoleacetic Acid; Lactones; Norepinephrine; Rats; Serotonin; Sleep; Tryptophan; Tyrosine | 1971 |
The effects of some tryptamine derivatives on brain monoamines and their precursor amino acids.
Topics: Amines; Amino Acids; Aminobutyrates; Animals; Behavior, Animal; Brain; Brain Chemistry; Circadian Rhythm; Dopamine; Fenclonine; Hydroxyindoleacetic Acid; Hypothermia; Male; Norepinephrine; Rats; Reserpine; Serotonin; Structure-Activity Relationship; Tryptamines; Tryptophan; Tyrosine | 1972 |
Molecular basis of inhibition of monooxygenases by p-halophenylalanines.
Topics: Animals; Brain; Carbon Isotopes; Cycloheximide; Fenclonine; Liver; Mixed Function Oxygenases; Phenylalanine; Phenylalanine Hydroxylase; Rats; Tryptophan; Tyrosine | 1972 |
Hyperaminoacidemia effects on intestinal transport of related amino acids.
Topics: Animals; Biological Transport; Diet; Female; Fenclonine; Glucose; Intestinal Absorption; Intestinal Mucosa; Kidney; Liver; Metabolic Clearance Rate; Mixed Function Oxygenases; Phenylalanine; Rats; Sodium; Stimulation, Chemical; Tryptophan; Tyrosine | 1972 |
Purification and stability of the multienzyme complex encoded in the arom gene cluster of Neurospora crassa.
Topics: Alcohol Oxidoreductases; Amino Acids; Aminobenzoates; Cyclohexanecarboxylic Acids; Drug Stability; Genes; Genetic Code; Hydro-Lyases; Hydrogen-Ion Concentration; Ligases; Macromolecular Substances; Methods; Molecular Weight; Multienzyme Complexes; Neurospora; Neurospora crassa; Peptides; Phenylalanine; Phosphoenolpyruvate; Phosphotransferases; Shikimic Acid; Tryptophan; Tyrosine | 1972 |
The effect of L-tryptophan and some psychotropic drugs on the formation of 5-hydroxytryptophan in the mouse brain in vivo.
Topics: 5-Hydroxytryptophan; Acetamides; Animals; Benzyl Compounds; Brain; Carboxy-Lyases; Dimethylamines; Dose-Response Relationship, Drug; Feedback; Female; Fenclonine; Hydrazines; Hydroxyindoleacetic Acid; Lysergic Acid Diethylamide; Mice; Nialamide; Phenylalanine; Reserpine; Sensory Receptor Cells; Serine; Serotonin; Tryptamines; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1972 |
Lysosomal enzymes, amino acids and acid metabolites of amines in Huntington's chorea.
Topics: Acid Phosphatase; Adult; Aged; Amines; Amino Acids; Blood Proteins; Cerebrospinal Fluid Proteins; Dopamine; Female; Humans; Huntington Disease; Hydroxyindoleacetic Acid; Lysosomes; Male; Middle Aged; Phenylacetates; Serotonin; Sulfatases; Tryptophan; Tyrosine | 1973 |
Chorismate mutase isozyme patterns in three fungi.
Topics: Chromatography, Thin Layer; Cinnamates; Electrophoresis, Polyacrylamide Gel; Enzyme Activation; Isoenzymes; Isomerases; Methyl Ethers; Multienzyme Complexes; Neurospora; Neurospora crassa; Penicillium; Penicillium chrysogenum; Phenylalanine; Species Specificity; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Vinyl Compounds | 1973 |
Experimental maternal hyperphenylalaninemia: disaggregation of fetal brain ribosomes.
Topics: Animals; Brain; Brain Chemistry; Centrifugation, Density Gradient; Female; Fenclonine; Fetus; Humans; Maternal-Fetal Exchange; Phenylalanine; Phenylketonurias; Polyribosomes; Pregnancy; Rats; Tryptophan; Tyrosine | 1973 |
Topography of mouse 2.5S nerve growth factor. Reactivity of tyrosine and tryptophan.
Topics: Animals; Biological Assay; Computers; Goats; Insulin; Iodine Isotopes; Kinetics; Macromolecular Substances; Male; Mice; Models, Chemical; Nerve Growth Factors; Niacinamide; Nitro Compounds; Nitrobenzenes; Protein Conformation; Rabbits; Radioimmunoassay; Sensory Receptor Cells; Submandibular Gland; Succinimides; Sulfonic Acids; Tryptophan; Tyrosine | 1973 |
The structure and histochemistry of some trematode metacercarial cysts.
Topics: Animals; DNA; Esterases; Fish Diseases; Fishes; Glycoproteins; Glycosaminoglycans; Histocytochemistry; Lipids; Proteins; RNA; Trematoda; Trematode Infections; Tryptophan; Tyrosine | 1973 |
Factors affecting competence for transformation in Staphylococcus aureus.
Topics: Barium; Calcium; Culture Media; Cytidine; DNA, Bacterial; Drug Resistance, Microbial; Erythromycin; Extrachromosomal Inheritance; Hydrogen-Ion Concentration; Lysogeny; Magnesium; Mutagens; Mutation; Nitrosoguanidines; Staphylococcus; Staphylococcus Phages; Temperature; Thymine; Time Factors; Transformation, Genetic; Tryptophan; Tyrosine | 1974 |
Functional aspects of 5-hydroxytryptamine turnover in the central nervous system.
Topics: 5-Hydroxytryptophan; Acetamides; Animals; Antidepressive Agents; Brain; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Fenclonine; Humans; Hydrazines; Imipramine; Male; Methyldopa; Motor Activity; Nialamide; Receptors, Drug; Reserpine; Serotonin; Stimulation, Chemical; Stress, Psychological; Tryptophan; Tyrosine | 1974 |
Brain catechol synthesis: control by train tyrosine concentration.
Topics: Alanine; Animals; Benserazide; Brain Chemistry; Dihydroxyphenylalanine; Fenclonine; Histidine; Leucine; Lysine; Male; Phenylalanine; Rats; Tryptophan; Tyrosine | 1974 |
Proceedings: Determination of noradrenaline, dopamine, serotonin, 5-hydroxyindoleacetic acid, tyrosine and tryptophane in the isolated perfused rat brain.
Topics: Animals; Brain Chemistry; Dopamine; Fluorometry; Hydroxyindoleacetic Acid; Norepinephrine; Perfusion; Rats; Reserpine; Serotonin; Tryptophan; Tyrosine | 1974 |
Regional changes in monoamine levels and in the rate of tyrosine and tryptophan hydroxylation in 4 week old offspring of nursing mothers treated with the neuroleptic drug penfluridol.
Topics: 5-Hydroxytryptophan; Age Factors; Animals; Animals, Newborn; Biogenic Amines; Body Weight; Brain; Brain Chemistry; Brain Stem; Breast Feeding; Corpus Striatum; Diencephalon; Dihydroxyphenylalanine; Female; Hydrocarbons, Halogenated; Hydroxylation; Limbic System; Neurons; Norepinephrine; Organ Size; Piperidines; Pregnancy; Rats; Serotonin; Toluene; Tranquilizing Agents; Tryptophan; Tyrosine | 1974 |
[Role of some metabolic changes in the development of complications of pregnancy and labor in women with rheumatic heart disease].
Topics: Amino Acids; Calcium; Computers; Cysteine; Cystine; Female; Glutamine; Humans; Isoleucine; Leucine; Magnesium; Methionine; Niacinamide; Obstetric Labor Complications; Phenylalanine; Potassium; Pregnancy; Pregnancy Complications, Cardiovascular; Rheumatic Heart Disease; Sodium; Tryptophan; Tyrosine; Valine; Vitamin E | 1974 |
Studies on trypsin inhibitors in sweet potato. II. Modification of amino acid residues in inhibitor III.
Topics: Amino Acids; Arginine; Binding Sites; Chemical Phenomena; Chemistry; Fibrinolysin; Histidine; Kinetics; Plants; Structure-Activity Relationship; Sulfhydryl Compounds; Time Factors; Trypsin Inhibitors; Tryptophan; Tyrosine | 1974 |
Biochemical effects of dihydroxylated tryptamines on central indoleamine neurones.
Topics: Amines; Animals; Brain; Carbon Radioisotopes; Catecholamines; Chromatography, Paper; Desipramine; Dose-Response Relationship, Drug; Fenclonine; Hydroxydopamines; Hydroxyindoleacetic Acid; In Vitro Techniques; Indoles; Male; Medulla Oblongata; Neurons; Nialamide; Norepinephrine; Pargyline; Rats; Serotonin; Spinal Cord; Synaptosomes; Time Factors; Tritium; Tryptamines; Tryptophan; Tyrosine | 1974 |
[Effects of injections of different substrates and an enzyme inhibitor on pigmentation in normal and albino Locusta migratoria L. (Orthop.)].
Topics: Albinism; Amino Acids; Animals; Ascorbic Acid; Benserazide; Folic Acid; Grasshoppers; Nialamide; Pigmentation; Reserpine; Tryptophan; Tyrosine | 1974 |
Electron transfer within and between haemoprotein molecules.
Topics: Amino Acid Oxidoreductases; Amino Acids; Blood Proteins; Cytochromes; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Electron Transport; Heme; In Vitro Techniques; Iron; Myoglobin; Oxidation-Reduction; Tryptophan; Tyrosine | 1965 |
[Application of electron spin resonance in radiation biology].
Topics: Alanine; Blood Proteins; Caseins; Electron Spin Resonance Spectroscopy; Globins; Glycine; Phenylalanine; Radiation Effects; Tobacco Mosaic Virus; Tryptophan; Tyrosine; Valine | 1965 |
[Biochemical anomalies in rheumatoid polyarthritis].
Topics: Arthritis, Rheumatoid; Humans; Hydroxyproline; Phenylalanine; Tryptophan; Tyrosine | 1967 |
Location and characteristics of the phenylalanine transport mechanism in normal and polyoma-transformed hamster cells.
Topics: Amino Acids; Animals; Biological Transport; Cell Membrane; Chloromercuribenzoates; Cricetinae; Culture Techniques; Cytopathogenic Effect, Viral; Histidine; Leucine; Methionine; Neoplasms, Experimental; Phenylalanine; Polyomavirus; Sulfhydryl Compounds; Tryptophan; Tyrosine; Valine | 1967 |
Fluorescence of D-glyceraldehyde-3-phosphate dehydrogenase-substrate complexes.
Topics: Acetone; Animals; Binding Sites; Charcoal; Fluorescence; Glyceraldehyde; Glyceraldehyde-3-Phosphate Dehydrogenases; Glycerolphosphate Dehydrogenase; Glycerophosphates; Hydrogen-Ion Concentration; Iodoacetates; Methylation; Muscles; NAD; Phosphates; Protein Binding; Rabbits; Sulfhydryl Compounds; Tryptophan; Tyrosine; Yeasts | 1968 |
The effect of glucagon and insulin on the prothrombin response to coumarin anticoagulants.
Topics: Acenocoumarol; Animals; Glucagon; Guinea Pigs; Insulin, Long-Acting; NAD; Prothrombin; Prothrombin Time; Tryptophan; Tyrosine | 1968 |
Transference of triplet state excitation energy from tyrosine to tryptophan. I. Amino acids in simple and mixed solutions.
Topics: Chemical Phenomena; Chemistry, Physical; Electron Spin Resonance Spectroscopy; Energy Transfer; Tryptophan; Tyrosine | 1968 |
Feedback inhibition of glutamine synthetase of Neurospora crassa by nicotinamide-adenine dinucleotide.
Topics: Adenosine Triphosphate; Binding Sites; Chemical Phenomena; Chemistry; Escherichia coli; Feedback; Glutamates; Glutamine; Guanine Nucleotides; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Ligases; NAD; Neurospora; ortho-Aminobenzoates; Phenylalanine; Quaternary Ammonium Compounds; Tryptophan; Tyrosine | 1968 |
The divergence in reactivity of aminoacyl transfer ribonucleic acid synthetases of Escherichia coli with hydroxylamine.
Topics: Alanine; Amino Acids; Carbon Isotopes; Chromatography, Ion Exchange; Cysteine; Escherichia coli; Glutamates; Glycine; Hydroxylamines; Isoleucine; Kinetics; Leucine; Ligases; Lysine; Methionine; Periodic Acid; Phenylalanine; RNA, Bacterial; RNA, Transfer; Threonine; Tryptophan; Tyrosine | 1968 |
[Data towards the histochemical characteristics of brain tumors in rats].
Topics: Animals; Arachnoid; Astrocytoma; Brain Neoplasms; DNA; Ependymoma; Glioblastoma; Glioma; Hemangioendothelioma; Histidine; Neoplasms, Experimental; Oligodendroglioma; Protein Biosynthesis; Rats; RNA; Tryptophan; Tyrosine | 1966 |
Metabolic interlock. Regulatory interactions exerted between biochemical pathways.
Topics: Alanine; Bacillus subtilis; Cyclohexanecarboxylic Acids; Cyclohexanes; Diphosphates; Feedback; Histidine; Hydro-Lyases; Kinetics; Leucine; Metabolism; Methionine; Phenylalanine; Pyruvates; Thiophenes; Tryptophan; Tyrosine | 1969 |
Properties of pure acyl phosphatase from bovine brain.
Topics: Amino Acids; Animals; Brain; Cattle; Chemical Phenomena; Chemistry; Chromatography, Gel; Electrophoresis, Disc; Hydrogen-Ion Concentration; Lysine; Methods; Molecular Weight; Osmolar Concentration; Phosphoric Monoester Hydrolases; Sulfhydryl Compounds; Tryptophan; Tyrosine; Urea | 1969 |
Tyrosine fluorescence in proteins.
Topics: Adrenocorticotropic Hormone; Amides; Energy Transfer; Fluorescence; Growth Hormone; Parathyroid Hormone; Peptides; Proteins; Solvents; Spectrum Analysis; Temperature; Tryptophan; Tyrosine | 1969 |
Structural studies on polypeptide hormones. I. Fluorescence.
Topics: Adrenocorticotropic Hormone; Animals; Cattle; Chemical Phenomena; Chemistry; Crystallization; Fluorescence; Glucagon; Guanidines; Hormones; Hydrogen-Ion Concentration; Parathyroid Hormone; Peptides; Spectrum Analysis; Temperature; Tryptophan; Tyrosine | 1969 |
Electron paramagnetic resonance study of x-ray and gamma-ray irradiated peptides in the solid state.
Topics: Alanine; Amino Acid Sequence; Cobalt Isotopes; Electron Spin Resonance Spectroscopy; Free Radicals; Glycine; Peptides; Phenylalanine; Radiation Effects; Temperature; Tryptophan; Tyrosine | 1969 |
[Phenylketonuria. 3. Evaluation of early treatment].
Topics: Blood Proteins; Child, Preschool; Diet Therapy; Female; Humans; Infant; Male; Phenylalanine; Phenylketonurias; Phosphoric Monoester Hydrolases; Tryptophan; Tyrosine | 1969 |
Metallocinium cations, nucleic acids and proteins.
Topics: Adenine; Chemical Phenomena; Chemistry, Physical; Chromium; Cobalt; Cobalt Isotopes; Electron Spin Resonance Spectroscopy; Electrons; Guanine; Hydrogen; Iron; Magnetic Resonance Spectroscopy; Nucleic Acids; Organometallic Compounds; Oxidation-Reduction; Proteins; RNA; Spectrum Analysis; Tryptophan; Tyrosine | 1969 |
Intramolecular energy transfer in adrenocorticotropin.
Topics: Adrenocorticotropic Hormone; Energy Transfer; Fluorometry; Mathematics; Spectrum Analysis; Tryptophan; Tyrosine; Water | 1969 |
Phosphorescence and energy transfer in enzymes.
Topics: Alcohol Oxidoreductases; Amylases; Animals; Aspergillus; Bacillus subtilis; Carboxypeptidases; Cattle; Chymotrypsin; Cold Temperature; Energy Transfer; Enzymes; Luminescent Measurements; Methods; Muramidase; NAD; Pancreas; Papain; Pepsin A; Ribonucleases; Saccharomyces; Spectrum Analysis; Tryptophan; Tyrosine | 1969 |
Electron paramagnetic resonance study of free radical products of the reaction of ninhydrin with amino acids, peptides and proteins.
Topics: Alanine; Amino Acids; Aspartic Acid; Chemical Phenomena; Chemistry, Physical; Dipeptides; Electron Spin Resonance Spectroscopy; Ethanol; Free Radicals; Histidine; Hydrogen-Ion Concentration; Indicators and Reagents; Lysine; Peptides; Phenylalanine; Proline; Proteins; Serine; Solutions; Tryptophan; Tyrosine; Valine | 1970 |
Ultraviolet spectral differences between phosphorylase a and b.
Topics: Chemical Phenomena; Chemistry; Glucosyltransferases; Phosphoric Monoester Hydrolases; Phosphorus Isotopes; Solvents; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Histochemical studies of the neurosecretory system of Chirocephalus diaphanus Prévost (Crustacea: Anostraca).
Topics: Animals; Carbohydrates; Crustacea; Female; Formates; Glycols; Histocytochemistry; Lipids; Male; Neurosecretion; Neurosecretory Systems; Paraldehyde; Periodic Acid; Proteins; Rosaniline Dyes; Serotonin; Sulfhydryl Compounds; Sulfides; Tryptophan; Tyrosine | 1970 |
Action of periodate on ovotransferrin and s metal complexes.
Topics: Amino Acids; Animals; Antigens; Carbohydrates; Chemical Phenomena; Chemistry; Chickens; Copper; Electrophoresis; Histidine; Hydrogen-Ion Concentration; Immune Sera; Immunodiffusion; Iron; Methionine; Ovalbumin; Periodic Acid; Spectrophotometry; Time Factors; Transferrin; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1970 |
Triplet-state electron spin resonance of the aromatic amino acids and proteins.
Topics: Amino Acids; Electron Spin Resonance Spectroscopy; Phenylalanine; Proteins; Tryptophan; Tyrosine | 1970 |
Relation between conformations and activities of lipoamide dehydrogenase. IV. Apoenzyme structure and flavin binding aspects.
Topics: Adenine; Binding Sites; Chemical Phenomena; Chemistry; Chloromercuribenzoates; Cold Temperature; Dihydrolipoamide Dehydrogenase; Diphosphates; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; Flavins; Fluorometry; Halogens; Hot Temperature; Hydrogen-Ion Concentration; Osmolar Concentration; Protein Binding; Protein Denaturation; Time Factors; Tryptophan; Tyrosine; Urea | 1970 |
[Study of free-radical products in the reaction of ninhydrin with amino acids].
Topics: Amino Acids; Electron Spin Resonance Spectroscopy; Free Radicals; Indicators and Reagents; Kinetics; Phenylalanine; Tryptophan; Tyrosine | 1967 |
The enzymology of prephenate dehydrogenase in Bacillus subtilis.
Topics: Bacillus subtilis; Chemical Phenomena; Chemistry; Cyclohexanes; Enzyme Repression; Fluorometry; Hot Temperature; Hydrogen-Ion Concentration; Isoenzymes; Kinetics; Mutation; NAD; Oxidoreductases; Phenylalanine; Phenylpyruvic Acids; Protein Binding; Pyruvates; Stereoisomerism; Tryptophan; Tyrosine | 1970 |
[Dietetics of amino acid metabolism disorders].
Topics: Amino Acid Metabolism, Inborn Errors; Diet Therapy; Glycine; Histidine; Homocystinuria; Humans; Isoleucine; Leucine; Phenylketonurias; Tryptophan; Tyrosine; Valine | 1971 |
[Demonstration of the liberation of dopamine (DA) and serotonin (5HT) at the caudate nucleus level in the rat].
Topics: Animals; Basal Ganglia; Caudate Nucleus; Dopamine; In Vitro Techniques; Perfusion; Rats; Serotonin; Synaptic Transmission; Tritium; Tryptophan; Tyrosine | 1969 |
Maintenance and exchange of the aromatic amino acid pool in Escherichia coli.
Topics: Bacterial Proteins; Biological Transport; Biological Transport, Active; Culture Media; Escherichia coli; Gels; Models, Biological; Mutation; Phenylalanine; Silicon Dioxide; Solvents; Transduction, Genetic; Trichloroacetic Acid; Tritium; Tryptophan; Tyrosine | 1971 |
Formation of free radicals in aliphatic and aromatic amino acids by trapped electrons: an E.S.R. study.
Topics: Alanine; Amino Acids; Electron Spin Resonance Spectroscopy; Free Radicals; Glycine; Phenylalanine; Photochemistry; Radiochemistry; Spectrum Analysis; Tryptophan; Tyrosine | 1971 |
Chemical nature of the inactivation of Bacillus cereus penicillinase by iodine.
Topics: Ascorbic Acid; Bacillus cereus; beta-Lactamase Inhibitors; Chemical Phenomena; Chemistry; Diiodotyrosine; Drug Stability; Enzyme Activation; Hydrogen Peroxide; Hydrogen-Ion Concentration; Iodine; Iodine Isotopes; Iodoproteins; Kinetics; Monoiodotyrosine; Oxidation-Reduction; Penicillinase; Perchlorates; Periodic Acid; Potassium; Potassium Permanganate; Sodium; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
EPR study of Cu(II) complexes of tridentate amino acids.
Topics: Amino Acids; Aminobutyrates; Arginine; Chelating Agents; Chemical Phenomena; Chemistry; Chlorides; Copper; Cysteine; Dicarboxylic Acids; Electron Spin Resonance Spectroscopy; Histidine; Lysine; Methionine; Ornithine; Polyamines; Propionates; Sodium Hydroxide; Time Factors; Tryptophan; Tyrosine | 1971 |
Effect of psychotropic drugs on tryptophan concentration in the rat brain.
Topics: Alkaloids; Animals; Apomorphine; Aporphines; Body Temperature; Brain Chemistry; Butyrates; Chlorpromazine; Cold Temperature; Cyclic AMP; Dextroamphetamine; Fenclonine; Fenfluramine; Haloperidol; Hot Temperature; Hydroxybutyrates; Hydroxyindoleacetic Acid; Lithium; Male; Methyltyrosines; Morphine; Nucleosides; Phenelzine; Phenmetrazine; Probenecid; Rats; Reserpine; Serotonin; Tryptophan; Tyrosine | 1971 |
Replacement of Mg 2+ by monovalent cations in aminoacyl transfer RNA formation.
Topics: Acetates; Adenosine Triphosphate; Ammonium Chloride; Aspartic Acid; Chlorides; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Paper; Dialysis; Diphosphates; Edetic Acid; Enzyme Activation; Escherichia coli; Histidine; Hydroxamic Acids; Hydroxyapatites; Hydroxylamines; Isoleucine; Kinetics; Leucine; Ligases; Lithium; Lysine; Magnesium; Methionine; Phenylalanine; Phosphorus Isotopes; Potassium Chloride; RNA, Transfer; Sodium Chloride; Tryptophan; Tyrosine; Valine | 1971 |
Stimulation of brain serotonin synthesis by dibutyryl-cyclic AMP in rats.
Topics: Adenine Nucleotides; Animals; Brain; Brain Chemistry; Cerebral Ventricles; Cyclic AMP; Hydroxyindoleacetic Acid; In Vitro Techniques; Male; Probenecid; Rats; Serotonin; Stimulation, Chemical; Tryptophan; Tyrosine | 1971 |
Unpaired electrons in 365 nm irradiated fibrous proteins.
Topics: Electric Conductivity; Electron Spin Resonance Spectroscopy; Electrons; Free Radicals; Hot Temperature; Light; Muramidase; Oxygen; Photochemistry; Proteins; Radiation Effects; Spectrum Analysis; Temperature; Textiles; Tryptophan; Tyrosine | 1972 |
Variability in the catalytic and allosteric properties of rabbit liver fructose 1,6-diphosphatase. The prescence of tryptophan in homogeneous enzyme.
Topics: Allosteric Regulation; Animals; Catalysis; Fluorometry; Fructose-Bisphosphatase; Fructosephosphates; Hydrogen-Ion Concentration; Liver; Peptide Hydrolases; Rabbits; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
[Histochemistry of the domestic chicken kidney (Gallus domesticus L.)].
Topics: Acid Phosphatase; Alkaline Phosphatase; Amino Acids; Animals; Chick Embryo; Chickens; DNA; Electron Transport Complex IV; Glycosaminoglycans; Histocytochemistry; Kidney; Kidney Glomerulus; Lipids; RNA; Succinate Dehydrogenase; Tryptophan; Tyrosine; Ureter | 1971 |
Preparation and physicochemical properties of green pea superoxide dismutase.
Topics: Acetone; Amino Acids; Ammonium Sulfate; Animals; Cattle; Chromatography, Gel; Chromatography, Ion Exchange; Copper; Electron Spin Resonance Spectroscopy; Erythrocytes; Free Radicals; Humans; Methods; Molecular Weight; Oxidoreductases; Oxygen; Plants; Species Specificity; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Zinc | 1972 |
ESR studies of the low temperature irradiation of keratin and its component amino acids.
Topics: Amino Acids; Animals; Chemical Phenomena; Chemistry; Cysteine; Cystine; Electron Spin Resonance Spectroscopy; Free Radicals; Freezing; Indoles; Keratins; Muramidase; Phenylalanine; Radiation Effects; Tryptophan; Tyrosine; Tyrothricin; Ultraviolet Rays; Wool | 1972 |
Concerning the production of free radicals in proteins by ultraviolet light.
Topics: Animals; Bacillus subtilis; Bombyx; Cattle; Chickens; Chymotrypsin; Collagen; Cystine; Electron Spin Resonance Spectroscopy; Free Radicals; Muramidase; Oxytocin; Pancreas; Pepsin A; Peptide Hydrolases; Proteins; Radiation Effects; Radiochemistry; Ribonucleases; Stomach; Swine; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Stimulation by dibutyryl cyclic AMP of serotonin synthesis and tryptophan transport in brain slices.
Topics: Adenosine Monophosphate; Animals; Biological Transport; Brain; Butyrates; Cyclic AMP; Cycloheximide; Glucagon; Hydroxyindoleacetic Acid; Male; Norepinephrine; Osmolar Concentration; Rats; Serotonin; Theophylline; Tritium; Tryptophan; Tyrosine | 1972 |
Mechanisms by which human blood platelets accumulate glycine, gaba and amino acid precursors of putative neurotransmitters.
Topics: Amino Acids; Aminobutyrates; Blood Platelets; Carbon Isotopes; Central Nervous System; Dihydroxyphenylalanine; Female; Glycine; Humans; In Vitro Techniques; Male; Phenylalanine; Protein Binding; Receptors, Drug; Synaptic Transmission; Tryptophan; Tyrosine | 1972 |
Effects of -radiation on a silica-trypsin compound suspended in aqueous buffer.
Topics: Amino Acids; Borates; Buffers; Colloids; Methods; Protein Binding; Protein Conformation; Radiation Effects; Radiation-Protective Agents; Silicon Dioxide; Trypsin; Tryptophan; Tyrosine; Water | 1972 |
Oxidation of cytochrome c peroxidase with hydrogen peroxide: identification of the "endogenous donor".
Topics: Amino Acids; Cytochrome c Group; Formates; Hydrogen Peroxide; Hydrogen-Ion Concentration; Oxidation-Reduction; Peroxidases; Spectrophotometry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1972 |
Effects of morphine on the Golgi apparatus and mitochondria of mammalian neurones.
Topics: Animals; Cell Nucleus; Ganglia, Spinal; Glutathione; Golgi Apparatus; Guinea Pigs; Histocytochemistry; Inclusion Bodies; Injections, Intraperitoneal; Lipids; Mitochondria; Morphine; Neurons; Phospholipids; Riboflavin; Tryptophan; Tyrosine | 1972 |
Schistosoma mansoni: histochemical analysis of the postacetabular gland secretion of cercariae.
Topics: Aldehydes; Aniline Compounds; Animals; Arginine; Biomphalaria; Exocrine Glands; Hexoses; Histidine; Histocytochemistry; Inclusion Bodies; Iron; Larva; Mucins; Polyamines; Proteins; Schistosoma mansoni; Tryptophan; Tyrosine | 1973 |
[The electron paramagnetic resonance spectrum of blastomogenic metabolites of tryptophan and tyrosine].
Topics: Carcinogens; Electron Spin Resonance Spectroscopy; Tryptophan; Tyrosine | 1972 |
Tyrosine substitutions resulting from suppression of amber mutants of iso-1-cytochrome c in yeast.
Topics: Alleles; Amino Acids; Chromatography; Cytochrome c Group; Electrophoresis; Genetic Code; Genetics, Microbial; Molecular Biology; Mutation; Saccharomyces cerevisiae; Suppression, Genetic; Tryptophan; Tyrosine | 1973 |
Confirmation of UAG as a nonsense codon in bakers' yeast by amino acid replacements of glutamic acid 71 in iso-1-cytochrome c.
Topics: Adenine; Amino Acid Sequence; Amino Acids; Chromatography; Cytochrome c Group; Electrophoresis; Genetic Code; Glutamates; Guanine; Leucine; Lysine; Peptide Chain Termination, Translational; Saccharomyces cerevisiae; Serine; Tryptophan; Tyrosine; Uracil | 1973 |
Location of aromatic amino acid residues in bovine serum high-density lipoprotein.
Topics: Animals; Apoproteins; Cattle; Edetic Acid; Ethylenes; Glycerol; Glycols; Hydrogen-Ion Concentration; Lipoproteins, HDL; Methanol; Phosphates; Potassium Chloride; Protein Conformation; Sodium Chloride; Solvents; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1973 |
Separate intramolecular pathways for reduction and oxidation of cytochrome c in electron transport chain reactions.
Topics: Animals; Arginine; Binding Sites; Chromatography, Ion Exchange; Cytochrome c Group; Cytochrome Reductases; Electron Transport; Electron Transport Complex IV; Horses; Iodine Radioisotopes; Iron; Kinetics; Lysine; Mitochondria; Monoiodotyrosine; Oxidation-Reduction; Tryptophan; Tyrosine | 1973 |
The effect of two synthetic ACTH analogues on the metabolism of biogenic amines in the rat brain.
Topics: Adrenocorticotropic Hormone; Amino Acids; Aminobutyrates; Animals; Avoidance Learning; Behavior, Animal; Biogenic Amines; Brain; Carbon Radioisotopes; Catecholamines; Dopamine; Fenclonine; Fluorometry; Hydroxyindoleacetic Acid; Male; Methyltyrosines; Norepinephrine; Peptides; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1974 |
Radical yield in X-irradiated biological molecules. II. Naturally-occurring amino-acids.
Topics: Alanine; Amino Acids; Arginine; Asparagine; Aspartic Acid; Cysteine; Cystine; Electron Spin Resonance Spectroscopy; Free Radicals; Glutamates; Histamine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proline; Radiation Effects; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1974 |
Biogenic amines in cultured neuroblastoma and astrocytoma cells.
Topics: Animals; Astrocytoma; Biogenic Amines; Carbon Radioisotopes; Cell Line; Cells, Cultured; Clone Cells; Dopamine; Electrophoresis, Paper; Epinephrine; Formaldehyde; Histocytochemistry; Mice; Microscopy, Fluorescence; Neoplasms, Nerve Tissue; Neuroblastoma; Norepinephrine; Octopamine; Rats; Serotonin; Spectrometry, Fluorescence; Stereoisomerism; Tryptophan; Tyramine; Tyrosine | 1974 |
In vitro Ca2+ dependent proteolysis in brain tissues: a possible source of error in transmitter metabolism studies.
Topics: Amino Acids; Animals; Brain; Calcium; Catecholamines; Chelating Agents; Chromatography, Gel; Chromatography, Ion Exchange; Corpus Striatum; Hippocampus; Hydroxyindoleacetic Acid; In Vitro Techniques; Leucine; Male; Nerve Tissue Proteins; Organ Specificity; Rats; Serotonin; Synaptic Transmission; Synaptosomes; Tritium; Tryptophan; Tyrosine | 1974 |
Denervation in the primary olfactory pathway of mice: biochemical and morphological effects.
Topics: Acetylcholinesterase; Acetyltransferases; Animals; Carboxy-Lyases; Choline; Cyclic AMP; Cyclic GMP; Denervation; Female; Glutamates; Glycine; Mice; Nerve Tissue Proteins; Norepinephrine; Olfactory Bulb; Olfactory Mucosa; Proline; Synaptic Transmission; Tryptophan; Tyramine; Tyrosine | 1974 |
The influence of nerve-impulse flow on the synthesis and metabolism of 5-hydroxytryptamine in the central nervous system.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Axons; Brain; Cerebral Decortication; Denervation; Dihydroxyphenylalanine; Dopamine; Enzyme Induction; Hydroxylation; Indoles; Lysergic Acid Diethylamide; Mice; N,N-Dimethyltryptamine; Nialamide; Norepinephrine; Occipital Lobe; Rats; Serotonin; Spinal Cord; Synaptic Transmission; Temporal Lobe; Time Factors; Tryptophan; Tyrosine | 1972 |
Isotopic method for tyrosine transaminase activity.
Topics: Amino Acids; Animals; Buffers; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Indicators and Reagents; Keto Acids; Ketoglutaric Acids; Liver; Phenylalanine; Pyruvates; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1967 |
Aromatic amino acid biosynthesis: gene-enzyme relationships in Bacillus subtilis.
Topics: Amino Acids; Bacillus subtilis; Chromosome Mapping; DNA, Bacterial; Genes; Genes, Regulator; Genetic Code; Genetics, Microbial; Genotype; Ligases; Molecular Biology; Mutation; Oxidoreductases; Phenotype; Phenylalanine; Phosphotransferases; Shikimic Acid; Transaminases; Transformation, Genetic; Tryptophan; Tyrosine; Tyrosine Transaminase | 1967 |
Mechanism of the daily rhythm in hepatic tyrosine transaminase activity: role of dietary tryptophan.
Topics: Animal Nutritional Physiological Phenomena; Animals; Circadian Rhythm; Dietary Proteins; Enzyme Induction; Female; Hypophysectomy; Liver; Rats; Spectrophotometry; Tryptophan; Tyrosine; Tyrosine Transaminase | 1968 |
Effects of casein hydrolysate on the induction and regulation of tyrosine-alpha-ketoglutarate transaminase in rat liver.
Topics: Adrenal Glands; Adrenalectomy; Animals; Carbon Isotopes; Caseins; Cycloheximide; Dactinomycin; Dietary Proteins; Drug Synergism; Enzyme Induction; Hydro-Lyases; Hydrocortisone; Liver; Orotic Acid; Peroxidases; Protein Biosynthesis; Rats; RNA; Serine; Time Factors; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1968 |
Aromatic amino acid metabolism in the wabbler-lethal mouse.
Topics: Aging; Animals; Liver; Mice; Mixed Function Oxygenases; Nervous System Diseases; Phenylalanine; Rodent Diseases; Transaminases; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1969 |
Subcellular distribution of tyrosine aminotransferase in rat brain.
Topics: Animals; Brain; Cell Nucleus; Centrifugation, Density Gradient; Dihydroxyphenylalanine; Ketoglutaric Acids; Kinetics; Male; Microscopy, Electron; Microsomes; Mitochondria; Monoamine Oxidase; Monoiodotyrosine; Nerve Endings; Oxaloacetates; Phenylalanine; Pyruvates; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1969 |
Effect of antidepressant drugs on accumulation and disappearance of monoamines formed in vivo from labelled precursors in mouse brain.
Topics: Amitriptyline; Animals; Antidepressive Agents; Brain; Carbon Isotopes; Desipramine; Dopamine; Imipramine; Male; Mice; Norepinephrine; Nortriptyline; Serotonin; Tritium; Tryptophan; Tyrosine | 1970 |
Increased release of dopane from striatal dopaminergic terminals in the rat after treatment with a neuroleptic: thioproperazine.
Topics: Amphetamine; Animals; Basal Ganglia; Brain; Brain Chemistry; Chlorpromazine; Dopamine; Drug Synergism; In Vitro Techniques; Male; Medulla Oblongata; Nerve Endings; Phenothiazines; Serotonin; Tritium; Tryptophan; Tyrosine | 1970 |
Fluorometric assay of amino acids.
Topics: Amino Acid Oxidoreductases; Amino Acids; Arginine; Benzoates; D-Amino-Acid Oxidase; Fluorometry; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Leucine; Methionine; Methods; Phenylacetates; Phenylalanine; Proline; Stereoisomerism; Tryptophan; Tyrosine | 1968 |
Evaluation of the liver adenosine 3',5'-monophosphate response to glucagon.
Topics: Adenine Nucleotides; Adrenal Glands; Animals; Blood Glucose; Cortisone; Cyclic AMP; Ergotamine; Fasting; Glucagon; Isoproterenol; Liver; Male; Propranolol; Rats; Tryptophan; Tyrosine | 1971 |
Purification, properties, and identity of liver mitochondrial tyrosine aminotransferase.
Topics: Amino Acids; Animals; Antibodies; Asparagine; Aspartate Aminotransferases; Aspartic Acid; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Crystallization; Cysteine; Cytoplasm; Diffusion; Dihydroxyphenylalanine; Fenclonine; Glutamates; Isoelectric Focusing; Isoenzymes; Ketoglutaric Acids; Male; Methionine; Mitochondria, Liver; Molecular Weight; Monoiodotyrosine; Oxaloacetates; Phenylpyruvic Acids; Rats; Stereoisomerism; Tryptophan; Tyrosine; Tyrosine Transaminase; Ultracentrifugation; Vibration | 1971 |
Regulation of tyrosine biosynthesis in Escherichia coli K-12: isolation and characterization of operator mutants.
Topics: Aldehyde-Lyases; Alleles; Cell-Free System; Chromosome Mapping; Coliphages; Conjugation, Genetic; Culture Media; Diploidy; Drug Resistance, Microbial; Enzyme Repression; Escherichia coli; Genes; Genetics, Microbial; Mutation; Oxidoreductases; Phenylalanine; Phosphotransferases; Transduction, Genetic; Tryptophan; Tyrosine; Tyrosine Transaminase | 1971 |
Studies of the activity of chymotrypsin.
Topics: Amides; Chemical Phenomena; Chemistry; Chymotrypsin; Circular Dichroism; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Leucine; Phenylalanine; Protein Binding; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine | 1970 |
Repression of aromatic amino acid biosynthesis in Escherichia coli K-12.
Topics: Aldehyde-Lyases; Alleles; Cell-Free System; Chromosome Mapping; Culture Media; Cyclohexanecarboxylic Acids; Enzyme Repression; Escherichia coli; Genes, Regulator; Genetics, Microbial; Heptoses; Hydro-Lyases; Isoenzymes; Mutation; Oxidoreductases; Phenylalanine; Quinic Acid; Tetroses; Transaminases; Transduction, Genetic; Tryptophan; Tyrosine; Tyrosine Transaminase | 1971 |
Mutant strains of Escherichia coli K12 that use D-amino acids.
Topics: Amino Acids; Arginine; Chromosome Mapping; Coliphages; D-Amino-Acid Oxidase; Escherichia coli; Genetic Linkage; Genotype; Histidine; Isoleucine; Isomerism; Leucine; Lysine; Mutation; Phenylalanine; Proline; Serine; Threonine; Transduction, Genetic; Tryptophan; Tyrosine; Valine | 1971 |
Relationship between catecholamines and serotonin in sympathetic nerves of the rat pineal gland.
Topics: Animals; Brain; Catecholamines; Circadian Rhythm; Dopamine; Female; Hydrazines; Injections, Intraperitoneal; Injections, Subcutaneous; Methyltyrosines; Norepinephrine; Pineal Gland; Rats; Rats, Inbred Strains; Serotonin; Sympathetic Nervous System; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1969 |
Starvation and refeeding: effects on the periodicity of tryptophan and tyrosine metabolism in mice.
Topics: Animal Nutritional Physiological Phenomena; Animals; Liver; Male; Mice; Periodicity; Starvation; Time Factors; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1972 |
[Hydroxylation of phenylalanine by Hydrogenomonas eutropha H 16].
Topics: Cell-Free System; Chromatography, Gel; Enzyme Induction; Mixed Function Oxygenases; NAD; NADP; Phenylalanine; Phenylalanine Hydroxylase; Phenylpyruvic Acids; Pseudomonas; Tryptophan; Tyrosine | 1972 |
Rapid effects of monoamine oxidase inhibitors on synthesis and release of central monoamines.
Topics: Amphetamine; Animals; Brain; Carbon Isotopes; Catecholamines; Caudate Nucleus; Dopamine; Feedback; Hydrazines; In Vitro Techniques; Kinetics; Mice; Monoamine Oxidase Inhibitors; Norepinephrine; Pargyline; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1972 |
The influence of the aromatic amino acid side-chains on the sign of the Soret Cotton effect in chironomus hemoglobin (CTT 3).
Topics: Circular Dichroism; Diptera; Hemoglobins; Optical Rotatory Dispersion; Phenylalanine; Tryptophan; Tyrosine | 1972 |
Some kinetics of the interaction of divalent cations with glutamine synthetase from Escherichia coli. Metal ion induced conformational changes.
Topics: Adenosine Monophosphate; Binding Sites; Binding, Competitive; Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Cobalt; Enzyme Activation; Escherichia coli; Glutamate-Ammonia Ligase; Guanidines; Hydrogen-Ion Concentration; Kinetics; Macromolecular Substances; Magnesium; Manganese; Optical Rotatory Dispersion; Protein Binding; Protein Conformation; Protons; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Ultraviolet Rays; Zinc | 1972 |
Variation of the conformational states of Escherichia coli glutamine synthetase by interaction with different divalent cations.
Topics: Cadmium; Calcium; Catalysis; Cations, Divalent; Cobalt; Enzyme Activation; Escherichia coli; Glutamate-Ammonia Ligase; Glutamates; Hydrogen-Ion Concentration; Kinetics; Magnesium; Protein Conformation; Quaternary Ammonium Compounds; Spectrophotometry, Ultraviolet; Spermidine; Spermine; Tryptophan; Tyrosine | 1972 |
Nonidentity of the aspartate and the aromatic aminotransferase components of transaminase A in Escherichia coli.
Topics: Aspartate Aminotransferases; Aspartic Acid; Cell-Free System; Chromatography, Gel; Culture Media; Electrophoresis, Disc; Enzyme Repression; Escherichia coli; Genetics, Microbial; Hot Temperature; Molecular Weight; Mutation; Phenylalanine; Transaminases; Tryptophan; Tyrosine; Tyrosine Transaminase | 1972 |
Simultaneous measurement of tyrosine and tryptophan hydroxylase activities in brain in vivo using an inhibitor of the aromatic amino acid decarboxylase.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Carboxy-Lyases; Catecholamines; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; Male; Methyltyrosines; Mixed Function Oxygenases; Rats; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Lipolytic and hypoglycemic compounds obtained from cystoseira barbata J. Ag.
Topics: Alanine; Animals; Arginine; Aspartic Acid; Autoanalysis; Blood Glucose; Chromatography, Gel; Chromatography, Paper; Eukaryota; Glutamine; Histidine; Leucine; Lipid Metabolism; Lysine; Methionine; Peptide Fragments; Rabbits; Rats; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1974 |
Measurement of protein by spectrophotometry at 205 nm.
Topics: Animals; Cattle; Evaluation Studies as Topic; Mathematics; Methods; Muramidase; Proteins; Serum Albumin, Bovine; Species Specificity; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
Structure and function of transferrins. I. Physical, chemical, and iron-binding properties.
Topics: Amino Acids; Bicarbonates; Carbonates; Chemical Phenomena; Chemistry; Electrophoresis; Indicators and Reagents; Iodine; Iron; Lactoferrin; Ligands; Metals; Methylation; Protein Binding; Solvents; Species Specificity; Structure-Activity Relationship; Succinates; Transferrin; Tryptophan; Tyrosine; Viscosity | 1974 |
Intestinal transport of aromatic amino acids, glucose and electrolytes in a patient with phenylketonuria.
Topics: Adult; Biological Transport; Female; Glucose; Humans; Intestinal Mucosa; Male; Molecular Weight; Phenylalanine; Phenylketonurias; Polyethylene Glycols; Potassium; Sodium; Time Factors; Tryptophan; Tyrosine | 1974 |
Regulation of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthetase in Brevibacterium flavum.
Topics: Aldehyde-Lyases; Amino Acids; Aminobenzoates; Brevibacterium; Cobalt; Dithiothreitol; Heptoses; Hydrogen-Ion Concentration; Hydroxymercuribenzoates; Phenylalanine; Phosphoenolpyruvate; Sugar Phosphates; Tetroses; Tryptophan; Tyrosine | 1974 |
The complexity of the fluorescence of peroxidase.
Topics: Freeze Drying; Histidine; Peroxidases; Plants; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
Plasma tryptophan and 5-HT metabolism in the CNS of the newborn rat.
Topics: Aging; Amino Acids; Animals; Animals, Newborn; Biological Transport; Blood-Brain Barrier; Brain; Brain Stem; Chlordiazepoxide; Chromatography, Gel; Chromatography, Ion Exchange; Female; Hydroxyindoleacetic Acid; In Vitro Techniques; Kinetics; Male; Organ Specificity; Pregnancy; Rats; Salicylates; Serotonin; Time Factors; Tritium; Tryptophan; Tyrosine; Ultrafiltration | 1974 |
Composition of the rhodopsin-core obtained by proteolysis of retinal rod outer segments with papain, and its regenerability after photobleaching.
Topics: Alanine; Animals; Arginine; Carbohydrates; Cattle; Chromatography, Thin Layer; Electrophoresis; Glutamates; Glycine; Histidine; Leucine; Light; Lysine; Papain; Photoreceptor Cells; Retinal Pigments; Retinaldehyde; Rhodopsin; Threonine; Tryptophan; Tyrosine | 1974 |
Tryptophan inhibition of the blockade of a 2-halogenoalkylamine.
Topics: Animals; Dose-Response Relationship, Drug; Guinea Pigs; Histidine; Male; Methylamines; Muscle Contraction; Mustard Compounds; Naphthalenes; Norepinephrine; Phenylephrine; Receptors, Drug; Tryptophan; Tyrosine; Vas Deferens | 1974 |
Tryptophan metabolism in Ochromonas malhamensis.
Topics: Adenine; Culture Media; Eukaryota; Folic Acid; Indoles; Phenylalanine; Pyridoxal; Tryptophan; Tryptophan Synthase; Tyrosine; Vitamin B 12 | 1974 |
A spectroscopic study of bovine lactoferrin.
Topics: Acetates; Animals; Binding Sites; Cats; Circular Dichroism; Colostrum; Dimethyl Sulfoxide; Electrophoresis, Polyacrylamide Gel; Ethylene Glycols; Female; Glycerol; Guanidines; Iron; Lactoferrin; Lactoglobulins; Mammary Glands, Animal; Milk; Pregnancy; Protein Binding; Protein Conformation; Solvents; Spectrophotometry; Spectrophotometry, Ultraviolet; Sucrose; Tryptophan; Tyrosine; Urea | 1974 |
Hepatitis B surface antigen (HBs Ag): tryptophan content and biological activity.
Topics: Bromine; Hepatitis B Antigens; Hydrogen-Ion Concentration; Molecular Weight; Radioimmunoassay; Spectrophotometry; Succinimides; Tryptophan; Tyrosine; Urea; Viral Proteins | 1974 |
[Studies on phage lysozyme. IV. The molecular cause of the cold-sensitive phenotype of the phage T4D mutant csebu56: the amino acid substitution tyrosine 88 leads to histidine].
Topics: Cold Temperature; Coliphages; DNA Viruses; Electrophoresis; Genetics, Microbial; Histidine; Indicators and Reagents; Molecular Biology; Muramidase; Mutation; Phenotype; Temperature; Tryptophan; Tyrosine | 1974 |
Plasma concentrations of tryptophan and other amino acids in manic-depressive patients.
Topics: Alanine; Arginine; Aspartic Acid; Bipolar Disorder; Emotions; Glutamates; Glycine; Humans; Isoleucine; Leucine; Methionine; Psychology; Serine; Threonine; Tryptophan; Tyrosine | 1974 |
Electron radiation damage of thin films of glycine, diglycine, and aromatic amino acids.
Topics: Amino Acids; Dipeptides; Dose-Response Relationship, Radiation; Electrons; Glycine; Histidine; Microscopy, Electron, Scanning; Phenylalanine; Radiation Effects; Tryptophan; Tyrosine | 1974 |
[Amino acid levels in the blood serum of patients with chronic colitis].
Topics: Adult; Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Betaine; Chronic Disease; Citrulline; Colitis; Glutamates; Glutamine; Glycine; Histidine; Humans; Middle Aged; Ornithine; Phenylalanine; Proline; Serine; Taurine; Threonine; Tryptophan; Tyrosine; Urea | 1974 |
Regulation of aromatic amino acid biosynthesis in higher plants. Properties of an aromatic amino acid-sensitive chorismate mutase (CM-1) from mung bean.
Topics: Antimetabolites; Cations, Divalent; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Cyclohexanecarboxylic Acids; Enzyme Activation; Hydrogen-Ion Concentration; Hydroxyapatites; Isoenzymes; Isomerases; Isomerism; Kinetics; Molecular Weight; Phenylalanine; Plants; Structure-Activity Relationship; Sulfhydryl Reagents; Tryptophan; Tyrosine; Vinyl Compounds | 1974 |
Purification and some properties of bovine pineal tryptophan 5-monooxygenase.
Topics: Animals; Carbon Radioisotopes; Cattle; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dithiothreitol; Iron; Kinetics; Liver; Mixed Function Oxygenases; Molecular Weight; Phenylalanine; Phenylalanine Hydroxylase; Pineal Gland; Pterins; Rats; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 1974 |
Thermal difference spectra of aromatic amino acids in water.
Topics: Acetates; Ethanol; Mathematics; Molecular Conformation; Phenylalanine; Spectrophotometry, Ultraviolet; Temperature; Tryptophan; Tyrosine; Water | 1974 |
Free amino acid levels in the boll weevil (Coleoptera: Curculionidae): the effect of five different diets.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Chromatography, Gas; Coleoptera; Diet; Dietary Proteins; Glutamates; Glycine; Gossypium; Histidine; Isoleucine; Leucine; Male; Mass Spectrometry; Methionine; Phenylalanine; Proline; Threonine; Tryptophan; Tyrosine; Valine | 1974 |
Solution topography of proteins by charge transfer. Model complexes, ribonuclease, and lysozyme.
Topics: Electrochemistry; Energy Transfer; Muramidase; Pyridinium Compounds; Ribonucleases; Solutions; Surface Properties; Tryptophan; Tyrosine | 1974 |
Control of brain serotonin by the diet.
Topics: Animals; Blood Glucose; Brain; Circadian Rhythm; Dietary Carbohydrates; Dietary Proteins; Fatty Acids, Nonesterified; Indoles; Insulin; Isoleucine; Leucine; Phenylalanine; Protein Binding; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine; Valine | 1974 |
The concentrations of the monoamines and their precursor amino acids in three areas of mouse brain during pregnancy.
Topics: Amino Acids; Animals; Biogenic Amines; Brain Chemistry; Dopamine; Estrus; Female; Male; Mesencephalon; Mice; Norepinephrine; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Third; Serotonin; Time Factors; Tryptophan; Tyrosine | 1974 |
Constitutive aromatic L-amino acid decarboxylase from Micrococcus percitreus.
Topics: Carboxy-Lyases; Chromatography, Gel; Chromatography, Ion Exchange; Crystallization; Drug Stability; Electrophoresis, Polyacrylamide Gel; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Micrococcus; Molecular Weight; Phenylalanine; Protamines; Protein Binding; Pyridoxal Phosphate; Spectrophotometry; Spectrophotometry, Ultraviolet; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Tyrosine; Ultracentrifugation | 1974 |
Bone morphogenesis in implants of residues of radioisotope labelled bone matrix.
Topics: Animals; Autoradiography; Bone Matrix; Buffers; Collagen; Hydrogen-Ion Concentration; Osteogenesis; Peptide Hydrolases; Phenylalanine; Radioisotopes; Rats; Sodium Isotopes; Solutions; Sulfates; Transplantation, Homologous; Tritium; Trypsin; Tryptophan; Tyrosine | 1974 |
Genetic mapping and complementation of aromatic mutants in Streptomyces coelicolor A3(2).
Topics: Chromosome Mapping; Crosses, Genetic; Genes; Genetic Complementation Test; Genetic Linkage; Mutation; Phenylalanine; Quinic Acid; Recombination, Genetic; Shikimic Acid; Streptomyces; Tryptophan; Tyrosine; Vitamins | 1974 |
The quenching of the tryptophyl and tyrosyl fluorescence of proteins by cesium ion.
Topics: Cesium; Chlorides; Fibrinogen; Iodides; Muramidase; Osmolar Concentration; Potassium; Potassium Chloride; Protein Binding; Proteins; Ribonucleases; Serum Albumin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1974 |
[Spectroscopic study of thermic perturbations of beta-lactoglobulin at low temperature in various solvents].
Topics: Buffers; Cold Temperature; Glycols; Hydrogen-Ion Concentration; Lactoglobulins; Protein Conformation; Sodium Chloride; Solvents; Spectrophotometry, Atomic; Temperature; Tryptophan; Tyrosine; Water | 1974 |
3-Deoxy-D-arabino-heptulosonate-7-phosphate synthetase of Mycobacterium phlei: partial purification anD feedback inhibition.
Topics: Aldehyde-Lyases; Cobalt; Feedback; Hydrogen-Ion Concentration; Kinetics; Mycobacterium; Phenylalanine; Phosphoenolpyruvate; Sugar Phosphates; Tetroses; Tryptophan; Tyrosine; Zinc | 1974 |
Separability of enzymes of the common aromatic biosynthetic pathway in Mycobacterium phlei.
Topics: Alcohol Oxidoreductases; Aldehyde-Lyases; Chromatography, DEAE-Cellulose; Cyclohexanecarboxylic Acids; Heptoses; Hydro-Lyases; Isoenzymes; Isomerases; Ligases; Mycobacterium; Phenylalanine; Phosphoenolpyruvate; Shikimic Acid; Spectrophotometry; Tetroses; Tryptophan; Tyrosine | 1974 |
Histochemistry of the haptor sclerites for some species of the genus Tetraonchus Diesing, 1850 (Monogenoidea).
Topics: Animals; Fishes; Gills; Histocytochemistry; Proteins; Sulfhydryl Compounds; Trematoda; Tryptophan; Tyrosine | 1974 |
Further studies on monoamine metabolism in three regions of mouse brain during pregnancy: monoamine metabolite concentrations and the effects of injected hormones.
Topics: Animals; Biogenic Amines; Brain; Dopamine; Drug Synergism; Estrus; Ethinyl Estradiol; Female; Hydroxyindoleacetic Acid; Mice; Norepinephrine; Normetanephrine; Pregnancy; Pregnancy, Animal; Progesterone; Serotonin; Time Factors; Tryptophan; Tyrosine | 1974 |
Regulation of prephenate dehydratase in Brevibacterium flavum.
Topics: Brevibacterium; Enzyme Activation; Hydro-Lyases; Hydrogen-Ion Concentration; Molecular Weight; Phenylalanine; Tryptophan; Tyrosine | 1974 |
Levels of tyrosine and tryptophan in the plasma and brain of spontaneously hypertensive rats.
Topics: Animals; Blood Pressure; Brain Chemistry; Brain Stem; Diet; Hypertension; Nitrogen; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Telencephalon; Tryptophan; Tyrosine | 1974 |
Independence of glucocorticosteroids and blood-brain barrier amino acid permeability.
Topics: Animals; Blood-Brain Barrier; Brain; Carbon Radioisotopes; Corticosterone; Hydrocortisone; Injections, Intra-Arterial; Injections, Intraperitoneal; Male; Rats; Time Factors; Tritium; Tryptophan; Tyrosine | 1974 |
[Testicular protein secretions of Alytes obstetricans after a gonadotrope hormone injection (author's transl)].
Topics: Animals; Anura; Carbohydrates; Chromatography, Thin Layer; Follicle Stimulating Hormone; Gonadotropins, Pituitary; Lipids; Male; Proteins; Secretory Rate; Spermatozoa; Testis; Tryptophan; Tyrosine | 1974 |
Effects of cation binding on the conformation of calsequestrin and the high affinity calcium-binding protein of sarcoplasmic reticulum.
Topics: Animals; Calcium; Circular Dichroism; Hydrogen-Ion Concentration; Muscle Proteins; Muscles; Osmolar Concentration; Phenylalanine; Protein Binding; Protein Conformation; Rabbits; Sarcoplasmic Reticulum; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
Interaction of promazine with bovine serum albumin and hexadecyltrimethylammonium bromide using light absorption and fluorometric techniques.
Topics: Animals; Bromides; Cattle; Chemical Phenomena; Chemistry; Detergents; Hydrogen-Ion Concentration; Membranes; Promazine; Proteins; Quaternary Ammonium Compounds; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
Displacement of sulfaethidole from bovine serum albumin by some alkyldimethylbenzylammonium chlorides.
Topics: Animals; Benzyl Compounds; Binding Sites; Cattle; Circular Dichroism; Molecular Conformation; Protein Binding; Quaternary Ammonium Compounds; Serum Albumin, Bovine; Sodium Dodecyl Sulfate; Spectrophotometry, Ultraviolet; Sulfathiazoles; Tryptophan; Tyrosine | 1974 |
Biosynthesis of acetylcholine in turtle photoreceptors.
Topics: Acetylcholine; Acetylcholinesterase; Acyltransferases; Aminobutyrates; Animals; Carbon Isotopes; Choline; Coenzyme A; Dopamine; Electrophoresis, Paper; Glutamates; Papain; Photoreceptor Cells; Retina; Tritium; Tryptophan; Turtles; Tyrosine; Ultracentrifugation | 1972 |
Translation of messenger RNA for histones from HeLa cells by a cell-free extract from mouse ascites tumor.
Topics: Amino Acids; Animals; Carbon Isotopes; Cell Fractionation; Cell-Free System; Electrophoresis, Disc; Electrophoresis, Paper; HeLa Cells; Histones; Humans; Lysine; Methods; Mice; Neoplasms, Experimental; Phenylalanine; RNA, Messenger; RNA, Neoplasm; Tritium; Trypsin; Tryptophan; Tyrosine | 1972 |
-Chymotrypsin: what can we learn about catalysis from x-ray diffraction?
Topics: Acetates; Acridines; Acylation; Benzyl Compounds; Binding Sites; Catalysis; Chymotrypsin; Formates; Histidine; Hydrogen-Ion Concentration; Hydrolysis; Isomerism; Methylation; Models, Structural; Nitrophenols; Phenylalanine; Protein Conformation; Spectrophotometry; Structure-Activity Relationship; Tryptophan; Tyrosine; X-Ray Diffraction | 1972 |
Cell-free synthesis of histones directed by messenger RNA from sea urchin embryos.
Topics: Amino Acids; Animals; Carbon Isotopes; Cell-Free System; Centrifugation, Density Gradient; Electrophoresis, Polyacrylamide Gel; Embryo, Nonmammalian; Histones; Peptides; Phenylalanine; Protein Biosynthesis; RNA, Messenger; Sea Urchins; Tritium; Trypsin; Tryptophan; Tyrosine | 1973 |
Transport of neurotransmitter precursors into cultured cells.
Topics: Acetylcholine; Amino Acids; Animals; Biological Transport; Carbon Isotopes; Catecholamines; Cell Line; Cells, Cultured; Choline; Clone Cells; Glycine; Kinetics; Leucine; Mice; Neuroblastoma; Neurons; Phenylalanine; Taurine; Tritium; Tryptophan; Tyrosine | 1973 |
The role of a tyrosyl residue in the mechanism of action of carboxypeptidase B: luminescence studies.
Topics: Animals; Apoproteins; Carboxypeptidases; Spectrometry, Fluorescence; Structure-Activity Relationship; Swine; Tryptophan; Tyrosine; Zinc | 1973 |
Composition, fluorescence, and circular dichroism of rat lysozyme.
Topics: Amino Acid Sequence; Amino Acids; Animals; Chickens; Circular Dichroism; Egg White; Fluorescence; Humans; Hydrogen-Ion Concentration; Leukemia, Myeloid; Muramidase; Neoplasms, Experimental; Rats; Species Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
Triplet-triplet energy transfer in alpha-trypsin.
Topics: Amidines; Cyclohexanecarboxylic Acids; Energy Transfer; Guanidines; Hydrogen-Ion Concentration; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine | 1973 |
Further studies on the circular dichroism of human lysozyme. Implications for structure and comparison of predicted secondary structures in homologous lysozymes.
Topics: Acetates; Acute Disease; Amino Acids; Animals; Binding Sites; Chemical Phenomena; Chemistry; Chickens; Circular Dichroism; Egg White; Glucosamine; Humans; Hydrogen-Ion Concentration; Leukemia, Myeloid; Mathematics; Mice; Muramidase; Protein Binding; Protein Conformation; Rats; Tryptophan; Tyrosine | 1974 |
Effect of near-ultraviolet and visible light on mammalian cells in culture II. Formation of toxic photoproducts in tissue culture medium by blacklight.
Topics: Animals; Cell Line; Cell Survival; Cells, Cultured; Cricetinae; Culture Media; Fibroblasts; Humans; Light; Photochemistry; Radiation Effects; Riboflavin; Tryptophan; Tyrosine | 1974 |
The interactions between biogenic amines and pyridoxal, pyridoxal phosphate, and pyridoxal kinase.
Topics: 5-Hydroxytryptophan; Adenosine Triphosphate; Amines; Animals; Biogenic Amines; Brain; Cattle; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopamine; Norepinephrine; Phosphotransferases; Picolines; Pyridoxal Phosphate; Pyridoxine; Serotonin; Spectrophotometry; Tryptophan; Tyrosine; Zinc | 1972 |
Amino acid decarboxylase activity in "nude" mouse liver.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Carboxy-Lyases; Dihydroxyphenylalanine; Female; Genotype; Glutamates; Histidine; Infertility; Kidney; Liver; Male; Mice; Mutation; Thymus Gland; Transplantation, Homologous; Tryptophan; Tyrosine; Ultrasonics | 1973 |
Comparative Arrhenius plots of enzyme activity from Penicillium.
Topics: Cell-Free System; Cyclohexanecarboxylic Acids; Drug Stability; Enzyme Activation; Glutathione Reductase; Leucovorin; Ligases; Penicillium; Phenylalanine; Phosphotransferases; Species Specificity; Spectrophotometry; Statistics as Topic; Temperature; Tryptophan; Tyrosine | 1973 |
50-S ribosomal proteins. Purification and partial characterization of two acidic proteins, A 1 and A 2, isolated from 50-S ribosomes of Escherichia coli.
Topics: Alanine; Amino Acids; Autoanalysis; Bacterial Proteins; Chromatography, DEAE-Cellulose; Cysteine; Electrophoresis; Escherichia coli; Histidine; Isoelectric Focusing; Molecular Weight; Ribosomes; Sodium Dodecyl Sulfate; Tryptophan; Tyrosine; Ultracentrifugation | 1972 |
[Study on the fluorescence of Escherichia coli alkaline phosphatase. I. Properties of the excited state].
Topics: Alkaline Phosphatase; Amides; Amino Acid Sequence; Amino Acids; Chemical Phenomena; Chemistry; Dioxins; Escherichia coli; Fluorescence; Peptides; Potassium Iodide; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1972 |
[Study of the fluorescence of Escherichia coli alkaline phosphatase. II. Intranolecular transfer of excitation energy].
Topics: Alkaline Phosphatase; Amides; Chemical Phenomena; Chemistry; Dioxins; Energy Transfer; Escherichia coli; Fluorescence; Glycerol; Mathematics; Optical Rotation; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry; Temperature; Tryptophan; Tyrosine | 1972 |
Studies on the catalytic mechanism of pepsin using a new synthetic substrate.
Topics: Acetophenones; Animals; Azo Compounds; Bromine; Catalysis; Deuterium; Endopeptidases; Fluoroacetates; Glycine; Humans; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; Mathematics; Models, Chemical; Pepsin A; Phenylalanine; Protein Binding; Structure-Activity Relationship; Swine; Tryptophan; Tyrosine | 1972 |
On the biological activities of the synthetic tetrapeptide pyroglutamyl-tyrosyl-arginyl-tryptophanyl-amide.
Topics: Amides; Animals; Arginine; Biological Assay; Castration; Cells, Cultured; Female; Follicle Stimulating Hormone; Glutamates; Luteinizing Hormone; Magnetic Resonance Spectroscopy; Mass Spectrometry; Optical Rotation; Peptides; Pituitary Gland; Pituitary Hormone-Releasing Hormones; Radioimmunoassay; Rats; Structure-Activity Relationship; Tryptophan; Tyrosine | 1972 |
Magnetic circular dichroism studies. XIX. Determination of the tyrosine: tryptophan ratio in proteins.
Topics: Alcohol Oxidoreductases; Animals; Cattle; Chickens; Circular Dichroism; Humans; Immunoglobulins; Magnetics; Mathematics; Methods; Muramidase; Ovalbumin; Pepsin A; Proteins; Serum Albumin, Bovine; Spectrophotometry; Spectrum Analysis; Swine; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays; Yeasts | 1972 |
Conformational changes in aspartate trancarbamylase. I. Studies of ligand binding and of subunit interactions by circular dichroism spectroscopy.
Topics: Allosteric Regulation; Aspartate Carbamoyltransferase; Binding Sites; Carbamates; Circular Dichroism; Cytosine Nucleotides; Escherichia coli; Hydrogen-Ion Concentration; Macromolecular Substances; Organophosphorus Compounds; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Succinates; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Fluorescence studies on substrate binding to seryl-tRNA synthetase from yeast.
Topics: Adenosine Triphosphate; Amino Acyl-tRNA Synthetases; Binding Sites; Cytosine Nucleotides; Kinetics; Methods; Phenylalanine; RNA, Transfer; Saccharomyces cerevisiae; Serine; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Tyrosine | 1972 |
Characterization of a mouse ascites cell-free system.
Topics: Animals; Carcinoma, Krebs 2; Cell-Free System; Escherichia coli; Globins; HeLa Cells; Histones; Kinetics; Lysine; Magnesium; Mice; Osmolar Concentration; Peptide Biosynthesis; Phenylalanine; Protein Biosynthesis; RNA, Bacterial; RNA, Messenger; RNA, Neoplasm; RNA, Ribosomal; Sea Urchins; Tritium; Tryptophan; Tyrosine | 1972 |
A possible role for histone in the synthesis of DNA.
Topics: Acrylates; Animals; Canavanine; Centrifugation, Density Gradient; Chickens; Cycloheximide; Cytarabine; Dactinomycin; DNA; DNA Replication; Erythrocytes; Histones; Indoles; Kinetics; Leucine; Peptide Elongation Factors; Thymidine; Tritium; Tryptophan; Tyrosine; Uridine | 1972 |
Kinetics of the reaction of nitrous acid with model compounds and proteins, and the conformational state of N-terminal groups in the chymotrypsin family.
Topics: Amines; Amino Acids; Animals; Chemical Phenomena; Chemistry; Chymotrypsin; Endopeptidases; Esters; Hydrogen-Ion Concentration; Indoleacetic Acids; Isoleucine; Kinetics; Nitrites; Nitroso Compounds; Osmolar Concentration; Pancreatic Elastase; Pepsin A; Peptides; Protein Conformation; Proteins; Serine; Spectrophotometry, Ultraviolet; Swine; Trypsin; Tryptophan; Tyrosine | 1972 |
The state of tyrosine in inorganic pyrophosphatase of baker's yeast.
Topics: Chromatography, DEAE-Cellulose; Indoles; Molecular Biology; Phenols; Pyrophosphatases; Saccharomyces cerevisiae; Tryptophan; Tyrosine | 1972 |
Structure of a hypothalamic peptide possessing gonadotropin-releasing activity.
Topics: Amino Acid Sequence; Amino Acids; Animals; Arginine; Carbon Isotopes; Glutamates; Glycine; Gonadotropins; Histidine; Hypothalamus; Leucine; Mass Spectrometry; Peptide Chain Termination, Translational; Pituitary Hormone-Releasing Hormones; Proline; Serine; Swine; Tryptophan; Tyrosine | 1972 |
Reversal by aromatic amino acids of 2-thiazole-DL-alanine inhibition of Salmonella typhimurium.
Topics: Amino Acids; Cell-Free System; Enzyme Repression; Feedback; Histidine; Hydro-Lyases; Membrane Transport Proteins; Phenylalanine; Salmonella typhimurium; Spectrophotometry; Stereoisomerism; Thiazoles; Tryptophan; Tyrosine | 1973 |
Photooxidation of histidine residues in asparaginase in relation to its enzymic activity.
Topics: Amino Acids; Asparaginase; Escherichia coli; Histidine; Hydrogen-Ion Concentration; Kinetics; Light; Macromolecular Substances; Methionine; Methylene Blue; Oxidation-Reduction; Protein Conformation; Tryptophan; Tyrosine | 1973 |
Common mechanism for repellents and attractants in bacterial chemotaxis.
Topics: Acetates; Amino Acids; Butyrates; Chemotaxis; Fatty Acids, Volatile; Indoles; Isoleucine; Leucine; Phenols; Propionates; Salmonella typhimurium; Tryptophan; Tyrosine; Valine | 1973 |
Independent expression of the A gene of the tryptophan operon of Escherichia coli during tryptophan starvation.
Topics: Bacterial Proteins; Cell-Free System; Chromatography, Ion Exchange; Escherichia coli; Genes; Mutation; Operon; Recombination, Genetic; RNA, Bacterial; Spectrophotometry; Transduction, Genetic; Tryptophan; Tryptophan Synthase; Tyrosine | 1973 |
Physical studies comparing a genetically fused enzyme of the histidine operon with its component enzymes.
Topics: Alcohol Oxidoreductases; Amino Alcohols; Chemical Phenomena; Chemistry; Circular Dichroism; Genetics, Microbial; Histidine; Hydrogen-Ion Concentration; Imidazoles; Macromolecular Substances; Multienzyme Complexes; Operon; Peptides; Protein Conformation; Pyridoxal Phosphate; Salmonella typhimurium; Schiff Bases; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Transaminases; Tryptophan; Tyrosine | 1973 |
Tryptophol formation by Zygosaccharomyces priorianus.
Topics: 5-Hydroxytryptophan; Acetaldehyde; Amino Alcohols; Chromatography, Thin Layer; Fermentation; Fluorometry; Indoleacetic Acids; Indoles; Magnetic Resonance Spectroscopy; Phenylalanine; Pyruvates; Saccharomyces; Saccharomyces cerevisiae; Spectrophotometry, Infrared; Stereoisomerism; Tryptamines; Tryptophan; Tyrosine | 1973 |
Embryonic and adult chymotrypsinogens of chicken pancreas.
Topics: Amylases; Animals; Chick Embryo; Chickens; Chromatography, DEAE-Cellulose; Chymotrypsin; Chymotrypsinogen; Leucine; Pancreas; Tryptophan; Tyrosine | 1973 |
Interaction of a hydrophobic fluorescent probe with mouse embryo fibroblasts.
Topics: Anilino Naphthalenesulfonates; Animals; Binding Sites; Cell Line; Cell Membrane; Cell Nucleus; Cells, Cultured; Cytoplasm; Fibroblasts; Histological Techniques; Methods; Mice; Microscopy, Fluorescence; Protein Binding; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1973 |
Fluorescence studies of E. coli ribosomal proteins S-4 and S-7 in regard to reconstitution conditions.
Topics: Bacterial Proteins; Diffusion; Escherichia coli; Mathematics; Ribosomes; Rotation; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 1973 |
High-resolution NMR investigation of base pairing structure of transfer RNA.
Topics: Arginine; Base Sequence; Binding Sites; Chromatography, Gel; Escherichia coli; Glutamates; Hot Temperature; Magnetic Resonance Spectroscopy; Methionine; Nucleic Acid Conformation; Oligonucleotides; Phenylalanine; Ribonucleases; RNA, Bacterial; RNA, Transfer; Saccharomyces cerevisiae; Serine; Species Specificity; Tryptophan; Tyrosine | 1973 |
Effect of inhibitors of protein synthesis on the formation of phenols derived from acetate and shikimic acid in Aspergillus fumigatus.
Topics: Acetates; Aspergillus fumigatus; Azaguanine; Benzoates; Benzyl Compounds; Culture Media; Cycloheximide; Fluorine; Fungal Proteins; Nitriles; Phenols; Phenylalanine; Phenylpyruvic Acids; Shikimic Acid; Toluene; Tryptophan; Tyrosine | 1974 |
Histochemical studies on calcified tissues. 3. Amino acid histochemistry of carious dentine and dentinal reactions to caries.
Topics: Amino Acids; Arginine; Cysteine; Decalcification Technique; Dental Caries; Dentin; Histidine; Histocytochemistry; Humans; Lysine; Tryptophan; Tyrosine | 1974 |
Stereoisomers of luteinizing hormone-releasing hormone.
Topics: Amino Acid Oxidoreductases; Amino Acid Sequence; Amino Acids; Animals; Arginine; Biological Assay; Castration; Chromatography, Thin Layer; Estrogens; Female; Glutamates; Gonadotropin-Releasing Hormone; Histidine; Leucine; Luteinizing Hormone; Optical Rotation; Ovary; Progesterone; Rats; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Tyrosine | 1974 |
In vitro assembly of L-asparaginase subunits.
Topics: Asparaginase; Asparagine; Aspartic Acid; Escherichia coli; Hydrogen-Ion Concentration; Hydrolysis; Macromolecular Substances; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Stereoisomerism; Time Factors; Tryptophan; Tyrosine; Ultracentrifugation; Urea | 1974 |
Nucleotide sequences of transfer ribonucleic acids.
Topics: Alanine; Arginine; Aspartic Acid; Base Sequence; Biological Evolution; Escherichia coli; Evaluation Studies as Topic; Glutamates; Glutamine; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Methods; Phenylalanine; Plants; RNA, Bacterial; RNA, Transfer; Saccharomyces cerevisiae; Serine; Species Specificity; Tryptophan; Tyrosine; Valine | 1974 |
Fast relaxation processes inn a protein revealed by the decay kinetics of tryptophan fluorescence.
Topics: Animals; Chickens; Computers; Hydrogen-Ion Concentration; Kinetics; Mathematics; Pepsin A; Pepsinogens; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Atomic; Tryptophan; Tyrosine | 1974 |
An alternative mechanism for beneficial effects of intestinal sterilization in hepatic encephalopathy.
Topics: Animals; Brain Chemistry; Female; Hepatic Encephalopathy; Kanamycin; Norepinephrine; Octopamine; Phenylalanine; Portacaval Shunt, Surgical; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1974 |
Significance of altered carbon flow in aromatic amino acid synthesis: an approach to the isolation of regulatory mutants in Pseudomonas aeruginosa.
Topics: Alanine; Amino Acids; Biological Assay; Carbon; Cell-Free System; Culture Media; Cyclohexanecarboxylic Acids; Drug Resistance, Microbial; Fluorine; Fluorometry; Fructose; Genetics, Microbial; Hydro-Lyases; Leuconostoc; Methods; Mutation; ortho-Aminobenzoates; Pentosyltransferases; Phenylalanine; Pseudomonas aeruginosa; Transaminases; Tryptophan; Tyrosine | 1972 |
Feedback regulation of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase from a marine bacterium, Vibrio MB22.
Topics: Aldehyde-Lyases; Carbon Isotopes; Chromatography, DEAE-Cellulose; Chromatography, Thin Layer; Cobalt; Culture Media; Cyclohexanecarboxylic Acids; Edetic Acid; Feedback; Heptoses; Isoenzymes; Marine Biology; Phenylalanine; Seawater; Tetroses; Tryptophan; Tyrosine; Vibrio; Water Microbiology | 1972 |
Intrinsic fluorescence of actin.
Topics: Actins; Adenosine Triphosphate; Animals; Copper; Drug Stability; Edetic Acid; Energy Transfer; Fluorescence; Hot Temperature; Kinetics; Light; Muscle Proteins; Protein Binding; Protein Denaturation; Rabbits; Scattering, Radiation; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Urea | 1972 |
Evidence of phenylalanine transaminase activity in the isoenzymes of aspartate transaminase.
Topics: Animals; Aspartate Aminotransferases; Binding Sites; Brain; Carbon Isotopes; Chemical Phenomena; Chemistry; Electrophoresis, Starch Gel; Immunodiffusion; Isoenzymes; Ketoglutaric Acids; Mitochondria, Muscle; Myocardium; Phenylalanine; Phenylpyruvic Acids; Protein Binding; Pyridoxal; Pyridoxamine; Rabbits; Spectrophotometry; Subcellular Fractions; Swine; Transaminases; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Some regulatory properties of phospho-2-keto-3-deoxyheptonate aldolase from the blue-green alga Anacystis nidulans.
Topics: Aldehyde-Lyases; Allosteric Regulation; Ammonium Sulfate; Chromatography, Gel; Culture Media; Cyanobacteria; Feedback; Heptoses; Kinetics; Phenylalanine; Phosphoenolpyruvate; Protamines; Protein Binding; Structure-Activity Relationship; Sulfuric Acids; Tetroses; Tryptophan; Tyrosine | 1972 |
Studies on candicidin biogenesis.
Topics: Acetates; Amino Acids; Aminobenzoates; Antifungal Agents; Culture Media; Depression, Chemical; Fermentation; Glucose; Methionine; Phenylalanine; Shikimic Acid; Streptomyces; Streptomyces griseus; Tryptophan; Tyrosine | 1972 |
Carbonic anhydrase from Neisseria sicca, strain 6021. II. Properties of the purified enzyme.
Topics: Acetates; Amino Acids; Carbonic Anhydrase Inhibitors; Carbonic Anhydrases; Catalysis; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Circular Dichroism; Erythrocytes; Humans; Molecular Weight; Neisseria; Nitrophenols; Proline; Protein Binding; Species Specificity; Spectrophotometry, Ultraviolet; Sulfonamides; Tryptophan; Tyrosine; Ultracentrifugation; Zinc | 1972 |
[Spectrophotometric determination of the tyrosine and tryptophan content of bovine fibrinogen].
Topics: Animals; Cattle; Fibrinogen; Guanidines; Hydrogen-Ion Concentration; Methods; Potassium Chloride; Spectrophotometry; Tryptophan; Tyrosine | 1972 |
Magnetic circular dichroism of tryptophanyl residues in proteins. Azurin and carbonic anhydrases.
Topics: Bacterial Proteins; Carbonic Anhydrases; Circular Dichroism; Copper; Magnetics; Metalloproteins; Protein Denaturation; Proteins; Tryptophan; Tyrosine | 1972 |
Genetic analysis of phenylalanine-responding mutants of Pseudomonas aeruginosa.
Topics: Cell-Free System; Culture Media; Cyclohexanecarboxylic Acids; Cyclohexanes; Genes; Hydro-Lyases; Mutagens; Mutation; Nitrosoguanidines; Phenylalanine; Pseudomonas aeruginosa; Pyruvates; Recombination, Genetic; Shikimic Acid; Spectrophotometry; Transaminases; Transduction, Genetic; Tryptophan; Tyrosine | 1972 |
Allosteric inhibition of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase by tyrosine, tryptophan and phenylpyruvate in Pseudomonas aeruginosa.
Topics: Aldehyde-Lyases; Allosteric Regulation; Heptoses; Kinetics; Models, Biological; Mutation; Phenylpyruvic Acids; Phosphoenolpyruvate; Pseudomonas aeruginosa; Tetroses; Tryptophan; Tyrosine | 1973 |
[Characteristics of the chemical structure of chick fibrinogen].
Topics: Animals; Blood Coagulation; Chickens; Fibrinogen; Glycopeptides; Hexosamines; Hexoses; Neuraminic Acids; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1972 |
[Synaptosomal transport of cerebral tryptophan and tyrosine: inhibition by chlorimipramine of high-affinity uptake systems].
Topics: Animals; Biological Transport, Active; Brain; Dibenzazepines; In Vitro Techniques; Male; Mesencephalon; Nerve Endings; Rats; Synaptic Vesicles; Synaptosomes; Tryptophan; Tyrosine | 1972 |
Human carbonic anhydrases. X. Preparation of large peptide fragments of carbonic anhydrase B used for sequence studies.
Topics: Amino Acid Sequence; Amino Acids; Arginine; Carbonic Anhydrases; Chromatography, Gel; Cyanogen Bromide; Cysteine; Erythrocytes; Freeze Drying; Guanidines; Humans; Hydrogen-Ion Concentration; Lysine; Methionine; Peptides; Phenylalanine; Solubility; Spectrophotometry, Ultraviolet; Trypsin; Tryptophan; Tyrosine | 1973 |
Analysis of isoaccepting transfer ribonucleic acid species of Bacillus subtilis: changes in chromatography of transfer ribonucleic acids associated with stage of development.
Topics: Amino Acyl-tRNA Synthetases; Bacillus subtilis; Chromatography; Leucine; Lysine; Mutation; RNA, Bacterial; RNA, Transfer; Spores, Bacterial; Transfer RNA Aminoacylation; Tryptophan; Tyrosine | 1973 |
Perturbation of tryptophanyl fluorescence of bovine growth hormone.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry; Ethanol; Fluorescence; Growth Hormone; Humans; Hydrogen-Ion Concentration; Iodides; Mathematics; Potassium; Proteins; Tryptophan; Tyrosine; Ultracentrifugation | 1972 |
Peptide aldehydes inhibiting chymotrypsin.
Topics: Acetates; Aldehydes; Benzyl Compounds; Butanones; Chemical Phenomena; Chemistry; Chymotrypsin; Formates; Imidazoles; Kinetics; Leucine; Oxidation-Reduction; Peptides; Phenethylamines; Phenylalanine; Structure-Activity Relationship; Succinimides; Tryptophan; Tyrosine | 1972 |
Delayed hypersensitivity to azobenzenearsonate amino acids conjugates. In vitro study of the specificity of the immune response by 3 H-thymidine incorporation into lymph node cells.
Topics: Animals; Antigens; Arsenicals; Azo Compounds; Benzene; Cross Reactions; Guinea Pigs; Histidine; Hypersensitivity, Delayed; Lymphocyte Activation; Serum Albumin; Skin Tests; Thymidine; Tritium; Tryptophan; Tyrosine | 1972 |
The effects of high phenylalanine concentrations on serotonin and catecholamine metabolism in the human brain.
Topics: Adolescent; Adult; Amino Acids; Brain; Catecholamines; Chromatography; Dopamine; Humans; Hydroxyindoleacetic Acid; Norepinephrine; Phenylacetates; Phenylalanine; Phenylketonurias; Probenecid; Serotonin; Tryptophan; Tyrosine | 1972 |
Amino acid uptake by Xenopus laevis embryos: effect of triiodo-L-thyronine.
Topics: Amino Acids; Animals; Carbon Isotopes; Female; Glycine; Lysine; Male; Metamorphosis, Biological; Methionine; Phenylalanine; Scintillation Counting; Time Factors; Triiodothyronine; Tritium; Tryptophan; Tyrosine; Xenopus | 1972 |
Hydrogen isotope exchange in tyrosine and tryptophan.
Topics: Chemical Phenomena; Chemistry; Hydrogen; Isotope Labeling; Tritium; Tryptophan; Tyrosine | 1972 |
Competitive inhibition of Sephadex-bound chymotrypsin and trypsin.
Topics: Arginine; Benzyl Compounds; Binding, Competitive; Chymotrypsin; Dextranase; Dextrans; Diffusion; Esters; Hydrolysis; Kinetics; Protein Binding; Resins, Plant; Trypsin Inhibitors; Tryptophan; Tyrosine | 1972 |
Studies on phytohemagglutinins. XL. Importance of tryptophan residues for the activity of pea phytohemagglutinin.
Topics: Amino Acids; Arginine; Binding Sites; Chromatography, Gel; Circular Dichroism; Hemagglutination; Histidine; Hydrogen-Ion Concentration; Lectins; Manganese; Methylene Blue; Protein Binding; Protein Conformation; Radiation Effects; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1972 |
[Effect of a uniform magnetic field on serum and plasma. Spectrophotometric study].
Topics: Absorption; Black People; Blood Chemical Analysis; Blood Coagulation; Humans; Magnetics; Male; Molecular Conformation; Plasma; Spectrophotometry; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Selective chemical cleavage of tryptophanyl peptide bonds in peptides and proteins.
Topics: Bromine; Chemical Phenomena; Chemistry; Cyclohexanes; Cysteine; Glucagon; Hydrogen-Ion Concentration; Ketones; Kinetics; Magnetic Resonance Spectroscopy; Methionine; Muramidase; Oxidation-Reduction; Peptides; Potentiometry; Ribonucleases; Spectrophotometry, Ultraviolet; Sulfonic Acids; Sulfoxides; Tryptophan; Tyrosine | 1972 |
[Amino acid metabolism pathology in the convulsive syndrome in young children].
Topics: Alanine; Amino Acids; Arginine; Asparagine; Child, Preschool; Cystine; Female; Glutamates; Glutamine; Glycine; Histidine; Humans; Infant; Infant, Newborn; Leucine; Lysine; Male; Methionine; Proline; Seizures; Serine; Tryptophan; Tyrosine; Valine | 1972 |
[Hemocyanin of the crustacean decapod Carcinus maenas L. studied by circular dichroism and magnetic circular dichroism].
Topics: Amino Acid Sequence; Animals; Brachyura; Circular Dichroism; Hemocyanins; Protein Conformation; Tryptophan; Tyrosine | 1972 |
[The effect of amino acids on their distribution and on that of physiologically active amines in the rat brain and blood].
Topics: Amines; Amino Acids; Animals; Brain Chemistry; Glutamates; Methionine; Rats; Serotonin; Tryptophan; Tyrosine | 1972 |
Studies on the effect of pH on the structural and functional properties of pancreatic amylase.
Topics: Amylases; Animals; Binding, Competitive; Hydrogen-Ion Concentration; Maltose; Pancreas; Protein Binding; Protein Denaturation; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Swine; Tryptophan; Tyrosine | 1972 |
Interaction of oligopeptides containing aromatic amino acids with nucleic acids. Fluorescence and proton magnetic resonance studies.
Topics: Adenine Nucleotides; Animals; Cattle; Deuterium; DNA; Magnetic Resonance Spectroscopy; Mathematics; Oligopeptides; Polynucleotides; Spectrometry, Fluorescence; Thymus Gland; Tryptophan; Tyrosine | 1972 |
Comparison of the conformation of mammalian globins in solution.
Topics: Amino Acid Sequence; Animals; Biological Evolution; Cattle; Circular Dichroism; Dogs; Globins; Horses; Humans; Macromolecular Substances; Molecular Weight; Optical Rotatory Dispersion; Protein Conformation; Protein Denaturation; Rabbits; Rats; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1972 |
Inter- and intramolecular interactions of -lactalbumin. XI. Comparison of the "exposure" of tyrosyl, tryptophyl, and lysyl side chains in the goat and bovine proteins.
Topics: Acetates; Acetylation; Animals; Cattle; Chemical Precipitation; Chromatography, Gel; Goats; Hydrogen-Ion Concentration; Imidazoles; Lactalbumin; Lysine; Mathematics; Nitrobenzenes; Protein Conformation; Protein Denaturation; Solvents; Species Specificity; Spectrophotometry, Ultraviolet; Sulfates; Sulfonic Acids; Tryptophan; Tyrosine | 1972 |
[Resolutions of fluorescence spectra using the decay measurements. Application to the study of human serum albumin].
Topics: Animals; Charcoal; Chromatography, Gel; Chromatography, Ion Exchange; Fluorescence; Humans; Immunoelectrophoresis; Kinetics; Macromolecular Substances; Mathematics; Rabbits; Serum Albumin; Spectrometry, Fluorescence; Spectrum Analysis; Tryptophan; Tyrosine | 1972 |
Toxic effects of aromatic amino acids on the livability of bull spermatozoa.
Topics: Animals; Catalase; Cattle; Cell Survival; Dialysis; Egg Yolk; Female; Hydrogen Peroxide; In Vitro Techniques; Male; Phenylalanine; Quaternary Ammonium Compounds; Spermatozoa; Stereoisomerism; Tryptophan; Tyrosine | 1972 |
Specific spindle cells and certain mesenchymal cells in tooth germ.
Topics: Animals; Cell Nucleus; Female; Histocytochemistry; Mice; Nucleoproteins; Tooth Germ; Tryptophan; Tyrosine | 1972 |
Studies on the low molecular weight protein of myosin.
Topics: Amino Acids; Animals; Chickens; Electrophoresis, Disc; Gels; Molecular Weight; Myosins; Phenylalanine; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Urea | 1972 |
Quantitative effects of nutritional essential amino acid deficiency upon immune responses to tumors in mice.
Topics: Adenocarcinoma; Amino Acids; Animals; Antibodies, Neoplasm; Antigen-Antibody Complex; Arginine; Cells, Cultured; Cysteine; Cytotoxicity Tests, Immunologic; Deficiency Diseases; Diet; Histidine; Immunity, Cellular; Isoleucine; Lysine; Male; Mammary Neoplasms, Experimental; Methionine; Mice; Mice, Inbred C3H; Mice, Inbred CBA; Phenylalanine; Threonine; Time Factors; Tryptophan; Tyrosine; Valine | 1973 |
Fluorimetric measurement of the phenylalanine content of human granulocytes.
Topics: Amino Acids; Buffers; Copper; Erythrocytes; Female; Filtration; Fluorometry; Humans; Hydrogen-Ion Concentration; Indicators and Reagents; Leukocytes; Male; Peptides; Phenylalanine; Spectrometry, Fluorescence; Time Factors; Trichloroacetic Acid; Tryptophan; Tyrosine | 1973 |
Globin synthesis on reticulocyte membrane-bound ribosomes.
Topics: Acetone; Amino Acids; Animals; Carbon Isotopes; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Female; Globins; Isotope Labeling; Membranes; Peptides; Protein Conformation; Rabbits; Reticulocytes; Ribosomes; Tritium; Trypsin; Tryptophan; Tyrosine | 1973 |
Amino acid metabolism in plants. IV. Kinetic studies with a multispecific aminotransferase purified from bushbean seedlings (Phaseolus vulgaris L.).
Topics: Amino Acids; Aspartic Acid; Binding, Competitive; Dopamine; Enzyme Activation; Glutamates; Ketoglutaric Acids; Kinetics; Phenylalanine; Plants; Time Factors; Transaminases; Tryptophan; Tyrosine | 1973 |
Effects of amino acids on the isolated chicken retina, and on its response to glutamate stimulation.
Topics: Amino Acids; Aminobutyrates; Animals; Arginine; Carbon Isotopes; Chickens; Chromatography, Paper; Citrulline; Cortical Spreading Depression; Glutamates; Glutarates; In Vitro Techniques; Isoleucine; Leucine; Lysine; Methionine; Ornithine; Perfusion; Phenylalanine; Retina; Sclera; Taurine; Tryptophan; Tyrosine | 1973 |
Stereospecificity of blood-brain barrier permeability to amino acids.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Histidine; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Rats; Threonine; Tritium; Tryptophan; Tyrosine; Valine | 1973 |
Effect of hypoxia on tyrosine and tryptophan hydroxylation in unanaesthetized rat brain.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Brain Chemistry; Dihydroxyphenylalanine; Hydroxylation; Hypoxia; Male; Nitrogen; Oxygen; Rats; Serotonin; Tryptophan; Tyrosine | 1973 |
[Synaptosomal transport of cerebral tryptophan nd tyrosine. Existence of systems with different uptake affinity].
Topics: Animals; Carbon Isotopes; Extracellular Space; Filtration; Mathematics; Mesencephalon; Nerve Endings; Rats; Synaptic Vesicles; Synaptosomes; Tryptophan; Tyrosine | 1973 |
Effect of other amino acids on recovery of tryptophan following acid hydrolysis.
Topics: Amino Acids; Chromatography, Ion Exchange; Colorimetry; Cystine; Hydrochloric Acid; Hydrolysis; Hydroxyproline; Proteins; Serine; Tryptophan; Tyrosine | 1973 |
Evidence for three isozymes of chorismate mutase in alfalfa.
Topics: Catechols; Chlorogenic Acid; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Thin Layer; Cinnamates; Coumarins; Cyclohexanecarboxylic Acids; Electrophoresis, Polyacrylamide Gel; Isoenzymes; Isomerases; Models, Biological; Molecular Weight; Multienzyme Complexes; Phenylalanine; Plant Cells; Plants; Spectrophotometry, Ultraviolet; Subcellular Fractions; Temperature; Tryptophan; Tyrosine; Vinyl Compounds | 1973 |
Low plasma tryptophan levels in recently hospitalized schizophrenics.
Topics: Acute Disease; Adolescent; Adult; Age Factors; Aged; Bipolar Disorder; Chronic Disease; Depression; Diet; Female; Hospitalization; Humans; Length of Stay; Male; Middle Aged; Phenylalanine; Racial Groups; Schizophrenia; Sex Factors; Tryptophan; Tyrosine | 1973 |
Association of plasma tryptophan levels with clinical change in female schizophrenic patients.
Topics: Acute Disease; Adolescent; Adult; Aged; Chronic Disease; Female; Hospitalization; Humans; Length of Stay; Male; Middle Aged; Phenylalanine; Racial Groups; Remission, Spontaneous; Schizophrenia; Sex Factors; Tryptophan; Tyrosine | 1973 |
The tyrosine-tryptophan-diagram in a longtime study with depressed patients.
Topics: Catecholamines; Depression; Humans; Indoles; Tryptophan; Tyrosine | 1973 |
Metal-combining properties of human lactoferrin. The effect of nitration of lactoferrin with tetranitromethane.
Topics: Amino Acids; Apoproteins; Autoanalysis; Binding Sites; Chemical Phenomena; Chemistry; Female; Humans; Hydrolysis; Iron; Lactoferrin; Lactoglobulins; Methane; Milk, Human; Nitro Compounds; Pregnancy; Protein Binding; Protein Conformation; Spectrophotometry; Tryptophan; Tyrosine | 1973 |
Optical and hydrodynamic studies of the structure of bacteriophage f2.
Topics: Centrifugation, Density Gradient; Chromatography, Gel; Circular Dichroism; Coliphages; Electrophoresis, Polyacrylamide Gel; Mathematics; Molecular Weight; Nucleic Acid Conformation; Protein Conformation; RNA, Viral; Sodium Dodecyl Sulfate; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Ultrafiltration; Viral Proteins | 1973 |
Some effects of the acute and chronic administration of sex hormones on brain monoamine concentrations.
Topics: Animals; Biogenic Amines; Brain Chemistry; Dopamine; Estrogens; Female; Hydroxyindoleacetic Acid; Mice; Norepinephrine; Normetanephrine; Progesterone; Serotonin; Time Factors; Tryptophan; Tyrosine | 1973 |
An allosteric alpha-glucan phosphorylase from banana fruits.
Topics: Adenosine Triphosphate; Allosteric Regulation; Ammonium Sulfate; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Freezing; Kinetics; Phenylalanine; Phosphorylases; Plants; Tryptophan; Tyrosine | 1973 |
[Analytical studies on Reissner's fiber in cattle. 1. Protein components].
Topics: Amino Acids; Animals; Cattle; Chromatography, Ion Exchange; Glycoproteins; Mesencephalon; Methods; Neuraminic Acids; Neurons; Neurosecretion; Spinal Cord; Tryptophan; Tyrosine | 1973 |
Saturation of blood brain barrier transport of amino acids in phenylketonuria.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Histidine; Humans; Intellectual Disability; Isoleucine; Leucine; Lysine; Male; Methionine; Ornithine; Phenylalanine; Phenylketonurias; Rats; Threonine; Tryptophan; Tyrosine; Valine | 1973 |
Affinity labeling by m-nitrobenzenediazonium fluoroborate of porcine anti-dinitrophenyl antibodies. Localization of labeled tyrosine in the -chains.
Topics: Amino Acid Sequence; Animals; Binding Sites, Antibody; Borates; Chromatography, Affinity; Cystine; Diazonium Compounds; Dinitrophenols; Guinea Pigs; Humans; Immunoglobulins; Mice; Nitrobenzenes; Peptides; Rabbits; Species Specificity; Swine; Thermolysin; Tryptophan; Tyrosine | 1973 |
The isolation and properties of a tyrosine-rich protein from wool: component 0.62.
Topics: Animals; Autoanalysis; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Circular Dichroism; Electrophoresis, Starch Gel; Glycine; Hydrogen-Ion Concentration; Isoelectric Focusing; Keratins; Molecular Weight; Phenylalanine; Serine; Sheep; Solubility; Tryptophan; Tyrosine; Ultracentrifugation; Wool | 1973 |
The primary structure of a protein, component 0.62, rich in glycine and aromatic residues, obtained from wool keratin.
Topics: Amino Acid Sequence; Animals; Autoanalysis; Chromatography, Paper; Chymotrypsin; Electrophoresis, Paper; Glycine; Keratins; Peptides; Phenylalanine; Sheep; Thermolysin; Trypsin; Tryptophan; Tyrosine; Wool | 1973 |
Leaving group specificity in the chymotrypsin-catalyzed hydrolysis of peptides. A stereochemical interpretation.
Topics: Acetates; Acylation; Amides; Amino Acids; Aniline Compounds; Animals; Binding Sites; Carboxylic Acids; Catalysis; Cattle; Chymotrypsin; Furans; Hydrazines; Hydrolysis; Kinetics; Models, Chemical; Pancreas; Peptides; Phenylalanine; Stereoisomerism; Structure-Activity Relationship; Thermodynamics; Trypsin Inhibitors; Tryptophan; Tyrosine | 1973 |
Structural transitions of bovine plasma albumin. Location of tyrosyl and tryptophyl residues by solvent perturbation difference spectra.
Topics: Animals; Cattle; Glycerol; Glycols; Hydrogen-Ion Concentration; Optical Rotatory Dispersion; Serum Albumin, Bovine; Solvents; Spectrophotometry; Sucrose; Tryptophan; Tyrosine | 1973 |
Conformational changes induced by the interaction of sodium dodecyl sulfate with bovine plasma albumin.
Topics: Acetates; Animals; Cattle; Deuterium; Fatty Acids; Hydrogen-Ion Concentration; Potassium Chloride; Protein Binding; Protein Conformation; Serum Albumin, Bovine; Sodium; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 1973 |
Solvent perturbation studies and analysis of protein and model compound data in denaturing organic solvents.
Topics: 1-Propanol; Acetates; Alcohols; Animals; Apoproteins; Cattle; Cetacea; Chlorine; Dimethyl Sulfoxide; Ethanol; Fluorine; Mathematics; Methanol; Methods; Myoglobin; Ovalbumin; Protein Denaturation; Serum Albumin, Bovine; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1973 |
Amino acid requirement of the growing rabbits: an estimate of quantitative needs.
Topics: Amino Acids; Animal Nutritional Physiological Phenomena; Animals; Arginine; Body Weight; Cystine; Female; Glycine; Glycine max; Histidine; Isoleucine; Leucine; Lysine; Methionine; Nutritional Requirements; Phenylalanine; Plant Proteins; Rabbits; Species Specificity; Threonine; Tryptophan; Tyrosine; Valine | 1973 |
Changes in brain monoamine metabolism associated with CO2-induced amnesia in rats.
Topics: Aminobutyrates; Amnesia; Animals; Behavior, Animal; Biogenic Amines; Brain; Brain Chemistry; Carbon Dioxide; Dopamine; Electroshock; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Norepinephrine; Normetanephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1973 |
Some effects of the hallucinogenic drug 2, 5-dimethoxy-4-methyl amphetamine on the metabolism of biogenic amines in the rat brain.
Topics: Amphetamine; Animals; Behavior, Animal; Biogenic Amines; Brain Chemistry; DOM 2,5-Dimethoxy-4-Methylamphetamine; Dopamine; Male; Norepinephrine; Piloerection; Rats; Serotonin; Tryptophan; Tyrosine | 1973 |
Luminescence of the tryptophan and tyrosine residues of trypsin.
Topics: Amino Acid Sequence; Binding Sites; Binding, Competitive; Deuterium; Fluorescence; Iodine Radioisotopes; Luminescent Measurements; Protein Conformation; Protein Denaturation; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Structure-Activity Relationship; Temperature; Thermodynamics; Time Factors; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine; Urea | 1973 |
The quenching of tyrosine and tryptophan fluorescence by H20 and D20.
Topics: Deuterium; Mathematics; Quantum Theory; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Water | 1973 |
14CO2 elimination from (14C)tryptophan and (14C)tyrosine in human sleep and wakefulness.
Topics: Adult; Bicarbonates; Carbon Dioxide; Carbon Radioisotopes; Electroencephalography; Electromyography; Electrooculography; Humans; Male; Middle Aged; Respiration; Sleep; Tryptophan; Tyrosine; Wakefulness | 1973 |
Chromatography of plant aminoacyl-tRNA synthetases on omega-aminoalkyl sepharose columns.
Topics: Amines; Amino Acyl-tRNA Synthetases; Butylamines; Carbon Radioisotopes; Chromatography, Affinity; Ethylamines; Hydrogen-Ion Concentration; Molecular Weight; Phenylalanine; Plants; Polysaccharides; Seeds; Serine; Spectrophotometry, Ultraviolet; Tritium; Tryptophan; Tyrosine; Valine | 1973 |
[New biochemical conception of chronic alcoholism].
Topics: Alcoholism; Biogenic Amines; Chronic Disease; Ethanol; Humans; Tryptophan; Tyrosine | 1973 |
Chemical ionization mass spectrometry of complex molecules: biogenic amines.
Topics: Biogenic Amines; Dihydroxyphenylalanine; Histidine; Ions; Mass Spectrometry; Tryptophan; Tyrosine | 1973 |
Photo-oxidation of lens proteins by sunlight in the presence of fluorescent derivatives of kynurenine, isolated from the human lens.
Topics: Amino Acids; Chromatography, Gel; Color; Crystallins; Cysteine; Fluorescence; Histidine; Humans; Kynurenine; Methionine; Oxidation-Reduction; Peptide Hydrolases; Photochemistry; Spectrum Analysis; Sunlight; Tryptophan; Tyrosine | 1973 |
Uncorporation of phenylalanine as a single unit into rat brain protein: reciprocal inhibition by phenylalanine and tyrosine of their respective incorporations.
Topics: Adenosine Triphosphate; Aging; Animals; Asparagine; Brain; Carbon Radioisotopes; Glutamates; Glutamine; Histidine; In Vitro Techniques; Kidney; Kinetics; Liver; Magnesium; Methionine; Nerve Tissue Proteins; Phenylalanine; Potassium; Rats; Thyroid Gland; Tritium; Tryptophan; Tyrosine | 1973 |
Effect of chronic lithium treatment on monoamine metabolism in rat brain.
Topics: Administration, Oral; Animals; Body Weight; Brain; Carbon Radioisotopes; Dopamine; Hydroxyindoleacetic Acid; Lithium; Liver; Male; Norepinephrine; Rats; Serotonin; Spinal Cord; Tritium; Tryptophan; Tryptophan Oxygenase; Tyrosine | 1973 |
Hatching, attachment, and outgrowth of mouse blastocysts in vitro: fixed nitrogen requirements.
Topics: Amino Acids, Essential; Animals; Blastocyst; Chorionic Gonadotropin; Collagen; Culture Media; Cystine; Female; Glutamine; Gonadotropins, Equine; Histidine; Immune Sera; In Vitro Techniques; Methionine; Mice; Nitrogen; Ovulation; Threonine; Tryptophan; Tyrosine; Valine | 1973 |
[Hartnup disease (author's transl)].
Topics: Adolescent; Amino Acids; Child; Feces; Female; Hartnup Disease; Hippurates; Histidine; Humans; Malabsorption Syndromes; Nicotinic Acids; Pyridoxine; Renal Aminoacidurias; Tryptophan; Tyrosine | 1973 |
[Aromatic compounds in certain infectious diseases].
Topics: Amino Acids; Erysipelas; Homogentisic Acid; Humans; Indican; Infections; Kynurenine; Liver Diseases; Nicotinic Acids; Phenylpyruvic Acids; Pneumonia; Tryptophan; Tyrosine; Xanthurenates | 1973 |
Histochemical characteristics of the hematopoietic organs of albino rats.
Topics: Animals; Bone Marrow; Cell Nucleolus; Cell Nucleus; Chromatin; Cytoplasm; Disulfides; Histidine; Histocytochemistry; Lymph Nodes; Nucleoproteins; Proteins; Rats; Spleen; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1973 |
Fluorescence and circular dichroism studies on the Streptomyces R61 DD-carboxypeptidase-transpeptidase. Penicillin binding by the enzyme.
Topics: Acyltransferases; Binding Sites; Carboxypeptidases; Cephalosporins; Circular Dichroism; Fluorescence; Guanidines; Hot Temperature; Mercaptoethanol; Penicillins; Peptides; Peptidoglycan; Protein Binding; Protein Denaturation; Salts; Spectrophotometry, Ultraviolet; Streptomyces; Temperature; Tryptophan; Tyrosine | 1973 |
The metabolism of amino acids in the bovine lens. Their oxidation as a source of energy.
Topics: Adenosine Triphosphate; Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Carbon Dioxide; Carbon Radioisotopes; Cattle; Collagen; Energy Metabolism; Glucose; Glutamates; Glutathione; In Vitro Techniques; Lactates; Lens, Crystalline; Leucine; Lipid Metabolism; Lysine; Oxidation-Reduction; Proline; Serine; Taurine; Tryptophan; Tyrosine | 1973 |
The uptake and efflux of L-phenylalanine and L-tyrosine from rat brain cerebral cortex slices.
Topics: Animals; Biological Transport, Active; Cerebral Cortex; In Vitro Techniques; Kinetics; Phenylalanine; Potassium; Rats; Sodium; Tryptophan; Tyrosine; Water | 1973 |
Anomalous pH dependence of kcat-KM in enzyme reactions. Rate constants for the association of chymotrypsin with substrates.
Topics: Acetates; Binding Sites; Chymotrypsin; Hydrogen-Ion Concentration; Kinetics; Mathematics; Nitrophenols; Oscillometry; Phenylalanine; Protein Binding; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1973 |
The influence of probenecid on the metabolism of serotonin, dopamine and their precursors in man.
Topics: Adult; Aged; Amino Acids; Brain; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Probenecid; Serotonin; Time Factors; Tryptophan; Tyrosine | 1973 |
The effect of a new tetracyclic anti-depressant compound, Org GB 94, on the turnover of dopamine, noradrenalin and serotonin in the rat brain.
Topics: Amitriptyline; Animals; Antidepressive Agents; Brain; Carbon Radioisotopes; Dibenzazepines; Dopamine; Imipramine; In Vitro Techniques; Male; Norepinephrine; Pyrazines; Rats; Serotonin; Stimulation, Chemical; Time Factors; Tritium; Tryptophan; Tyramine; Tyrosine | 1973 |
[Diagnosis and therapy of the secondary disease: dermatology].
Topics: Candidiasis; Diabetes Complications; Female; Herpes Zoster; Humans; Liver Diseases; Malabsorption Syndromes; Male; Parathyroid Diseases; Phenylalanine; Pigmentation Disorders; Skin Diseases; Skin Manifestations; Tryptophan; Tyrosine; Vitamin B 12 Deficiency | 1973 |
Supplemental effect of lysine on growth depression of rats fed wheat gluten diets containing excessive amount of some individual amino acids.
Topics: Amino Acids; Animals; Arginase; Arginine; Depression, Chemical; Diet; Glutens; Growth; Liver; Lysine; Male; Methionine; Phenylalanine; Rats; Triticum; Tryptophan; Tyrosine | 1973 |
Chemical reactivity and state of tryptophan residues in neocarzinostatin under physiological condition.
Topics: Antibiotics, Antineoplastic; Arginine; Chemical Phenomena; Chemistry; Lysine; Sulfides; Tryptophan; Tyrosine | 1973 |
Specific interaction of peptides with nucleic acids. Evidence for a "selective bookmark" recognition hypothesis.
Topics: Amino Acid Sequence; Animals; Chemical Phenomena; Chemistry; Chromatin; Circular Dichroism; Dialysis; Dipeptides; DNA; DNA, Bacterial; Lysine; Magnetic Resonance Spectroscopy; Male; Models, Chemical; Nucleic Acid Conformation; Nucleic Acid Denaturation; Oligopeptides; Peptides; Phenylalanine; Salmon; Spermatozoa; Temperature; Tryptophan; Tyrosine; Viscosity | 1973 |
Reaction of turkey egg-white lysozyme with tetranitromethane. Modification of tyrosine and tryptophan.
Topics: Amino Acid Sequence; Amino Acids; Animals; Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Ion Exchange; Egg White; Female; Hydrolysis; Macromolecular Substances; Methane; Muramidase; Nitro Compounds; Peptides; Species Specificity; Tosyl Compounds; Trypsin; Tryptophan; Turkeys; Tyrosine | 1973 |
Effects of isolation and fighting in mice on the rate of synthesis of noradrenaline, dopamine and 5-hydroxytryptamine in the brain.
Topics: Aggression; Animals; Behavior, Animal; Benzyl Compounds; Brain; Brain Chemistry; Dopamine; Humans; Hydrazines; Hydroxyindoleacetic Acid; Male; Mice; Norepinephrine; Serotonin; Social Isolation; Tryptophan; Tyrosine | 1973 |
On the mechanism of formation of a partially active aldolase by tryptic digestion.
Topics: Acetates; Amino Acid Sequence; Amino Acids; Animals; Bromine; Chloromercuribenzoates; Cysteine; Electrophoresis, Polyacrylamide Gel; Fructose-Bisphosphate Aldolase; Fructosephosphates; Kinetics; Molecular Weight; Muscle Proteins; Muscles; Peptide Chain Termination, Translational; Peptides; Rabbits; Trypsin; Tryptophan; Tyrosine | 1973 |
Further studies on the circular dichroism of carboxypeptidase A (ANSON). Reduced-monoalkylated carboxypeptidase A, and carboxypeptidase Aalpha, Abeta, and Agamma.
Topics: Acetamides; Alkylation; Animals; Benzoates; Carboxypeptidases; Cattle; Chromatography, DEAE-Cellulose; Circular Dichroism; Disulfides; Hydrogen-Ion Concentration; Iodoacetates; Kinetics; Mercuribenzoates; Oxidation-Reduction; Pancreas; Phenylalanine; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1973 |
Effect of high tyrosine content on the determination of tryptophan in protein by the acidic ninhydrin method. Application to chicken ovoinhibitor.
Topics: Animals; Chickens; Colorimetry; Indicators and Reagents; Kinetics; Muramidase; Proteins; Serum Albumin; Spectrophotometry; Tryptophan; Tyrosine | 1973 |
[The effect of amino acid loading on their distribution and the concentration of amines in the brains of rats].
Topics: Amino Acids; Animals; Brain Chemistry; Catecholamines; Cerebellum; Cerebral Cortex; Dopamine; Epinephrine; Glutamates; Medulla Oblongata; Memory; Methionine; Norepinephrine; Rats; Serotonin; Thalamus; Tryptophan; Tyrosine | 1973 |
Excited-state interactions and energy transfer between aromatic amino acids and nucleic acid components.
Topics: Energy Transfer; Luminescent Measurements; Nucleic Acids; Photochemistry; Tryptophan; Tyrosine | 1973 |
Inhibition of Azotobacter vinelandii ribonucleic acid polymerase by glutamyl, tyrosyl copolymers.
Topics: Adenine Nucleotides; Aspartic Acid; Azotobacter; DNA-Directed RNA Polymerases; Glutamates; Leucine; Magnesium Sulfate; Osmolar Concentration; Peptides; Phenylalanine; Phosphorus Radioisotopes; Potassium Chloride; Protein Binding; Structure-Activity Relationship; Templates, Genetic; Thymine Nucleotides; Tritium; Tryptophan; Tyrosine; Ultracentrifugation | 1974 |
Dopamine and serotonin metabolism in hepatic encephalopathy.
Topics: Acetaminophen; Acute Disease; Adult; Aged; Brain; Dopamine; Fatty Acids, Nonesterified; Female; Halothane; Hepatic Encephalopathy; Hepatitis A; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methionine; Middle Aged; Phenylalanine; Serotonin; Tryptophan; Tyrosine | 1974 |
Proteins lacking certain amino acids.
Topics: Arginine; Aspartic Acid; Cysteine; Glutamates; Histidine; Leucine; Lysine; Methionine; Peptides; Phenylalanine; Proteins; Tryptophan; Tyrosine; Valine | 1974 |
Fluorescence time-resolved spectroscopy and fluorescence anisotropy decay of the Staphylococcus aureus endonuclease.
Topics: Binding Sites; Deoxyribonucleases; Endonucleases; Mathematics; Protein Binding; Protein Conformation; Quantum Theory; Ribonucleases; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Staphylococcus; Thymine Nucleotides; Time Factors; Tryptophan; Tyrosine | 1974 |
Conformational changes and proton uptake in the reversible aggregation of tobacco-mosaic-virus protein.
Topics: Circular Dichroism; Densitometry; Hydrogen-Ion Concentration; Osmolar Concentration; Protein Conformation; Protein Denaturation; Solubility; Spectrophotometry, Ultraviolet; Temperature; Tobacco Mosaic Virus; Tryptophan; Tyrosine; Ultracentrifugation; Viral Proteins | 1974 |
The application of insolubilized alpha-chymotrypsin to kinetic studies on the effect of aprotic dipolar organic solvents.
Topics: Acetates; Acylation; Anilides; Benzoates; Catalysis; Chemical Phenomena; Chemistry; Chymotrypsin; Dioxins; Gels; Glass; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Models, Chemical; Protein Binding; Solubility; Structure-Activity Relationship; Tryptophan; Tyrosine | 1974 |
[Synaptosomal transport of cerebral tryptophan and tyrosine. Stimulation of the rate of uptake after administration of reserpine or monoamine oxidases inhibitor].
Topics: Animals; Brain; Carbon Radioisotopes; Caudate Nucleus; Chromatography; Hypothalamus; In Vitro Techniques; Kinetics; Male; Mesencephalon; Monoamine Oxidase Inhibitors; Nerve Endings; Nerve Tissue Proteins; Phenelzine; Rats; Reserpine; Spectrometry, Fluorescence; Synaptosomes; Tryptophan; Tyrosine | 1974 |
Influence of globin structure on the state of the heme. I. Human deoxyhemoglobin.
Topics: Arginine; Australia; Chemical Phenomena; Chemistry; Circular Dichroism; Globins; Heme; Hemoglobins; Hemoglobins, Abnormal; Humans; Hydrogen-Ion Concentration; Inositol; Macromolecular Substances; Magnetic Resonance Spectroscopy; Magnetics; Mutation; Organophosphorus Compounds; Oxygen; Oxyhemoglobins; Protein Binding; Spectrophotometry; Spectrophotometry, Ultraviolet; Succinimides; Tryptophan; Tyrosine; X-Ray Diffraction | 1974 |
Effect of electroconvulsive therapy on plasma unesterified fatty acid and free tryptophan concentrations in man.
Topics: Adult; Aged; Electroconvulsive Therapy; Fatty Acids, Nonesterified; Female; Humans; Male; Middle Aged; Serotonin; Time Factors; Tryptophan; Tyrosine | 1974 |
Effect of complexation of flavin radical with tryptophan on electron transfer rates: a model for flavin-protein interactions.
Topics: Binding Sites; Ferricyanides; Flavins; Flavoproteins; Free Radicals; Glycine; Hydrogen-Ion Concentration; Indoles; Kinetics; Luminescent Measurements; Methionine; Models, Chemical; Oxidation-Reduction; Oxygen; Protein Binding; Time Factors; Tryptophan; Tyrosine | 1974 |
On the importance of decarboxylation in the metabolism of phenylalanine, tyrosine, and tryptophan.
Topics: Administration, Oral; Amino Acids; Animals; Benserazide; Carbon Radioisotopes; Carboxy-Lyases; Dopa Decarboxylase; Kidney; Leucine; Liver; Male; Phenylalanine; Rats; Time Factors; Tryptophan; Tyramine; Tyrosine; Valine | 1974 |
Circular dichroism of squid retinochrome.
Topics: Animals; Circular Dichroism; Cysteine; Decapodiformes; Hydrogen-Ion Concentration; Light; Optical Rotation; Photochemistry; Protein Conformation; Protein Denaturation; Retinal Pigments; Spectrophotometry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
[Statistical aspects of the tyrosine-tryptophan diagram in depression (author's transl)].
Topics: Depression; Follow-Up Studies; Humans; Psychiatric Status Rating Scales; Remission, Spontaneous; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1974 |
Ruminal biosynthesis of aromatic amino acids from arylacetic acids, glucose, shikimic acid and phenol.
Topics: Amino Acids; Animals; Bacteria; Bacterial Proteins; Carbon Radioisotopes; Female; Glucose; Indoleacetic Acids; Male; Phenols; Phenylacetates; Phenylalanine; Rumen; Shikimic Acid; Tryptophan; Tyrosine | 1974 |
Melanogenesis from tryptophan. Biogenetic experiments with Harding-Passey mouse melanoma.
Topics: Animals; Carbon Radioisotopes; Kynurenine; Melanins; Melanoma; Mice; Neoplasm Transplantation; Neoplasms, Experimental; Tryptophan; Tyrosine | 1974 |
Nucleus ruber and L-dopa psychosis: biochemical post-mortem findings.
Topics: Aged; Amygdala; Autopsy; Biogenic Amines; Caudate Nucleus; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Female; Globus Pallidus; Gyrus Cinguli; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Norepinephrine; Parkinson Disease; Psychoses, Substance-Induced; Red Nucleus; Serotonin; Substantia Nigra; Tryptophan; Tyrosine | 1974 |
Elevation of serum free tryptophan, but not brain tryptophan, by serum nonesterified fatty acids.
Topics: Adult; Animals; Blood Glucose; Brain; Brain Chemistry; Dialysis; Diet; Dietary Carbohydrates; Dietary Fats; Fatty Acids, Nonesterified; Humans; Insulin; Male; Oleic Acids; Protein Binding; Rats; Serum Albumin; Time Factors; Tryptophan; Tyrosine | 1974 |
The major role of the tryptophan active transport in the diurnal variations of 5-hydroxytryptamine synthesis in the rat brain.
Topics: Animals; Biological Transport, Active; Brain; Brain Stem; Catecholamines; Circadian Rhythm; Hydroxyindoleacetic Acid; Hypothalamus; In Vitro Techniques; Kinetics; Rats; Serotonin; Sleep Deprivation; Time Factors; Tritium; Tryptophan; Tyrosine | 1974 |
Some effects of a new tetracyclic anti-depressant compound, Org GB 94, on the metabolism of monoamines in the rat brain.
Topics: Aminobutyrates; Animals; Antidepressive Agents; Behavior; Biogenic Amines; Brain; Brain Stem; Cerebral Cortex; Corpus Striatum; Dibenzazepines; Dopamine; Hydroxyindoleacetic Acid; Male; Mesencephalon; Mice; Norepinephrine; Normetanephrine; Pyrazines; Rats; Serotonin; Time Factors; Tryptamines; Tryptophan; Tyramine; Tyrosine | 1974 |
Aromatic amino acid-lysine copolymers. Conformation and specificity of nucleotide interaction.
Topics: Amino Acids; Binding Sites; Circular Dichroism; Dialysis; Lysine; Methanol; Molecular Conformation; Molecular Weight; Nucleotides; Phenylalanine; Polymers; Solutions; Spectrophotometry; Tryptophan; Tyrosine; Water | 1974 |
Studies concerning the biochemical genetics of activity and feedback inhibition mutants of Schizosaccharomyces pombe 3-deoxy-D-arabino-neptulosomate-7-phosphate synthase.
Topics: Aldehyde-Lyases; Allosteric Regulation; Ascomycota; Chromatography, Gel; Crosses, Genetic; Diploidy; Genetic Complementation Test; Genetic Linkage; Hydrogen-Ion Concentration; Mutation; Nitrosoguanidines; Phenylalanine; Spectrophotometry; Spores, Fungal; Sugar Phosphates; Tryptophan; Tyrosine | 1974 |
Intrinsic fluorescence of a protein devoid of tyrosine and tryptophan: horse hepatocuprein.
Topics: Animals; Cellulose; Copper; Electrophoresis; Electrophoresis, Disc; Horses; Hydrogen-Ion Concentration; Liver; Metalloproteins; Quantum Theory; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1974 |
Subtilisin-catalyzed hydrolysis of peptide methyl esters.
Topics: Benzyl Compounds; Binding Sites; Binding, Competitive; Esters; Glycine; Hydrogen-Ion Concentration; Kinetics; Methanol; Nitrophenols; Oligopeptides; Protein Binding; Structure-Activity Relationship; Subtilisins; Tryptophan; Tyrosine | 1974 |
The synthesis of oligopeptidyl-tRNA.
Topics: Alanine; Binding Sites; Carbon Radioisotopes; Evaluation Studies as Topic; Glycine; Methods; Nitrophenols; Oligopeptides; RNA, Transfer; Succinates; Tryptophan; Tyrosine; Valine | 1974 |
Computation of structures of homologous proteins. Alpha-lactalbumin from lysozyme.
Topics: Amino Acid Sequence; Amino Acids; Animals; Cattle; Chemical Phenomena; Chemistry; Chickens; Egg White; Histidine; Lactalbumin; Mathematics; Methionine; Models, Structural; Muramidase; Oligopeptides; Protein Conformation; Tryptophan; Tyrosine; X-Ray Diffraction | 1974 |
Malate dehydrogenase. XI. Absence of tryptophan in porcine heart mitochondrial enzyme.
Topics: Amino Acids; Animals; Chromatography, Ion Exchange; Guanidines; Half-Life; Hydrogen-Ion Concentration; Luminescent Measurements; Malate Dehydrogenase; Mitochondria, Muscle; Myocardium; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Swine; Tryptophan; Tyrosine | 1974 |
Solvent perturbation difference spectra of a purified sheep antibody.
Topics: Animals; Antibodies; Dimethyl Sulfoxide; Dithiothreitol; Ethylenes; Glycerol; Glycols; Models, Chemical; Polyethylene Glycols; Precipitin Tests; Sheep; Solvents; Spectrophotometry; Tryptophan; Tyrosine; Urea | 1974 |
The effect of calcium and magnesium on the ultraviolet spectrum of bovine pancreatic deoxyribonuclease A.
Topics: Animals; Binding Sites; Calcium; Cattle; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Chromatography, Ion Exchange; Deoxyribonucleases; Hydrogen-Ion Concentration; Isoflurophate; Kinetics; Magnesium; Pancreas; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Sucrose; Tryptophan; Tyrosine | 1974 |
Chromatography of 3-deoxy-D-arabinoheptulosonic acid-7-phosphate synthetase (trp) on diethylaminoethyl cellulose: a correction.
Topics: Chromatography; Escherichia coli; Ligases; Mutation; Phenylalanine; Tryptophan; Tyrosine | 1967 |
[Histochemical demonstration of protein elements in the structures of the inner ear].
Topics: Animals; Arginine; Cochlea; Guinea Pigs; Histocytochemistry; Histological Techniques; Proteins; Tryptophan; Tyrosine | 1966 |
Epistasis between deletion mutations in the tryptophan region and mutations affecting the general aromatic pathway in Escherichia coli K-12.
Topics: Amino Acids; Aminobenzoates; Benzoates; Chromosome Mapping; Coliphages; Escherichia coli; Genes; Genetic Code; Indoles; Mutation; Phenylalanine; Shikimic Acid; Transduction, Genetic; Tryptophan; Tyrosine | 1967 |
Comparative regulation of isoenzymic 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetases in microorganisms.
Topics: Bacteria; Enzyme Repression; Escherichia; Escherichia coli; Isoenzymes; Ligases; Neurospora; Phenylalanine; Pseudomonas; Salmonella typhimurium; Tryptophan; Tyrosine | 1968 |
Detection of in vivo protein photooxidation by means of tritium loss from the histidine moieties.
Topics: Acridines; Arginine; Benzopyrenes; Escherichia coli; Histidine; Leucine; Light; Methylene Blue; Oxidation-Reduction; Proteins; Tritium; Tryptophan; Tyrosine | 1968 |
Studies of the location of tyrosyl and tryptophyl residues in protein. II. Applications of model data to solvent perturbation studies of proteins rich in both tyrosine and tryptophan.
Topics: Animals; Fructose-Bisphosphate Aldolase; Hydrogen-Ion Concentration; Indicators and Reagents; Muscles; Pepsin A; Protein Denaturation; Rabbits; Serum Albumin, Bovine; Spectrophotometry; Tryptophan; Tyrosine; Urea | 1968 |
Fractionation of Escherichia coli transfer RNA on benzoylated DEAE-cellulose.
Topics: Benzoates; Cellulose; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Escherichia coli; Genetics, Microbial; RNA, Bacterial; RNA, Transfer; Serine; Suppression, Genetic; Tryptophan; Tyrosine | 1968 |
Amino acid transport systems in Escherichia coli K-12.
Topics: Alanine; Amino Acids; Azides; Biological Transport; Calcium; Carbon Isotopes; Escherichia coli; Glycine; Hydrogen-Ion Concentration; Kinetics; Leucine; Methionine; Phenylalanine; Serine; Sodium; Temperature; Tryptophan; Tyrosine; Valine | 1968 |
[On possible physical mechanism of thermoluminescence of certain aromatic amino acids and proteins].
Topics: Amino Acids; Chemical Phenomena; Chemistry, Physical; Cold Temperature; Deuterium; Hot Temperature; Kinetics; Luminescence; Pepsin A; Proteins; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1966 |
Regulation of aromatic amino acid biosynthesis Escherichia coli K12.
Topics: Enzyme Repression; Escherichia coli; Genes, Regulator; Heptoses; Hydro-Lyases; Isomerases; Ligases; Phenylalanine; Tryptophan; Tyrosine | 1968 |
Pathways of biosynthesis of aromatic amino acids and vitamins and their control in microorganisms.
Topics: Aminobenzoates; Bacteria; Benzoates; Chromosome Mapping; Enterobacter; Enzyme Repression; Escherichia coli; Feedback; Isoenzymes; Ligases; Phenylalanine; Tryptophan; Tyrosine; Ubiquinone; Vitamin K | 1968 |
[Determination of the pepsin activity of the serum by the Mirsky method. II. Problems posed by the determination of the hydrolysis products].
Topics: Colorimetry; Hemoglobins; Methods; Pepsin A; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1968 |
The effect of pH on the kinetic constants of peptic substrates and inhibitors.
Topics: Binding Sites; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Esters; Hydrogen-Ion Concentration; Kinetics; Models, Chemical; Osmolar Concentration; Pepsin A; Tryptophan; Tyrosine | 1969 |
Formation of aminoacyl-sRNA synthetases during growth phases of Escherichia coli.
Topics: Adenosine Triphosphate; Escherichia coli; Isoleucine; Leucine; Ligases; Methionine; Phenylalanine; Tryptophan; Tyrosine; Ultrasonics; Valine | 1969 |
Regulation of the Escherichia coli tryptophan operon by early reactions in the aromatic pathway.
Topics: Aldehyde-Lyases; Amino Acids; Chromatography, DEAE-Cellulose; Culture Media; Enzyme Repression; Escherichia coli; Genetics, Microbial; Heptoses; Molecular Biology; Mutation; Operon; ortho-Aminobenzoates; Phenylalanine; Transaminases; Tryptophan; Tyrosine | 1970 |
On the chemical structure of antigens and antibodies bound to fluorescent dyes. I. Structure of the antihuman gamma-globulin of the goat bound to the fluorochrome lissamine rhodamine B.
Topics: Amino Acids; Animals; Antibodies, Anti-Idiotypic; Antigens; Arginine; Aspartic Acid; Chromatography, Paper; Chymotrypsin; Electrophoresis; Fluorescent Dyes; Fluorometry; Goats; Histidine; Lysine; Oxidation-Reduction; Pepsin A; Protein Binding; Serine; Sulfides; Trypsin; Tryptophan; Tyrosine | 1966 |
[Differential action of 2,3,4-trihydroxybenzylhydrazine on amino acid decarboxylases].
Topics: 5-Hydroxytryptophan; Animals; Aspartate Aminotransferases; Brain; Carboxy-Lyases; Dopa Decarboxylase; Escherichia coli; Glutamates; Hydrazines; Kidney; Pyridoxal Phosphate; Rabbits; Tryptophan; Tyrosine | 1967 |
Formation of aromatic amino acid pools in Escherichia coli K-12.
Topics: Amino Acids; Biological Transport; Carbon Isotopes; Chromosome Mapping; Dinitrophenols; Escherichia coli; Glucose; Molecular Biology; Mutation; Phenylalanine; Transduction, Genetic; Tryptophan; Tyrosine | 1970 |
Horse liver alcohol dehydrogenase. The primary structure of an N-terminal part of the protein chain of the ethanol-active isoenzyme.
Topics: Alcohol Oxidoreductases; Amino Acid Sequence; Animals; Binding Sites; Carbon Isotopes; Chromatography, Gel; Chymotrypsin; Crustacea; Cyanides; Cysteine; Ethanol; Glyceraldehyde-3-Phosphate Dehydrogenases; Horses; Iodoacetates; Isoenzymes; Liver; Maleates; Pepsin A; Serine; Species Specificity; Swine; Trypsin; Tryptophan; Tyrosine | 1970 |
Inhibition by phenylalanine of thiazole biosynthesis in Escherichia coli.
Topics: Depression, Chemical; Escherichia coli; Genetics, Microbial; Mutation; Phenylalanine; Shikimic Acid; Thiamine; Thiazoles; Tryptophan; Tyrosine | 1970 |
The primary structure of transfer ribonucleic acid.
Topics: Alanine; Aspartic Acid; Cryptococcus; Escherichia coli; Genetic Code; Isoleucine; Leucine; Methionine; Methylation; Nucleotides; Phenylalanine; RNA, Transfer; Saccharomyces; Serine; Tryptophan; Tyrosine; Valine | 1971 |
Effect of histidine on the enzyme which catalyzes the first step of histidine biosynthesis in Salmonella typhimurium.
Topics: Chemical Phenomena; Chemistry; Circular Dichroism; Feedback; Fluorescence; Fluorometry; Glycerol; Histidine; Ions; Mutation; Pentosephosphates; Protein Binding; Protein Denaturation; Salmonella typhimurium; Solvents; Spectrophotometry; Spectrum Analysis; Transferases; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1971 |
Implication of tyrosine in iron binding in hemerythrin.
Topics: Alkanes; Amino Acid Sequence; Amino Acids; Chromatography, Gel; Indenes; Iron; Ketones; Kinetics; Nitrates; Oxidation-Reduction; Oxygen; Pepsin A; Peptides; Protein Binding; Protein Denaturation; Proteins; Pyrrolidinones; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1971 |
Studies on the enzymatic and chemical inactivation of hypothalamic follicle-stimulating hormone-releasing hormone.
Topics: Amino Acid Sequence; Aniline Compounds; Animals; Chemical Phenomena; Chemistry; Chromatography, Gel; Chymotrypsin; Endopeptidases; Follicle Stimulating Hormone; Formates; Histidine; Hydrochloric Acid; Papain; Pituitary Hormone-Releasing Hormones; Pyrrolidinones; Sulfonic Acids; Swine; Tryptophan; Tyrosine | 1971 |
Catechol- and indolamines in some endocrine cell systems. An autoradiographical, histochemical and radioimmunological study.
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Carbon Isotopes; Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Epinephrine; Female; Gastric Mucosa; Histocytochemistry; Insulin Antagonists; Islets of Langerhans; Male; Mice; Microscopy, Electron; Microscopy, Fluorescence; Monoamine Oxidase; Norepinephrine; Pancreas; Rabbits; Radioimmunoassay; Serotonin; Thyroid Gland; Tritium; Tryptophan; Tyrosine | 1971 |
Composition and subunit structure of glycerol kinase from Escherichia coli.
Topics: Acridines; Adenosine Triphosphate; Amino Acids; Chemical Phenomena; Chemical Precipitation; Chemistry, Physical; Chromatography, DEAE-Cellulose; Chromatography, Gel; Colorimetry; Crystallization; Cysteine; Electrophoresis; Escherichia coli; Glycerol; Hydrazines; Iodoacetates; Macromolecular Substances; Methods; Molecular Weight; Peptides; Phosphorus Isotopes; Phosphotransferases; Protein Denaturation; Quaternary Ammonium Compounds; Spectrophotometry; Sulfates; Sulfhydryl Reagents; Tetroses; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1971 |
Fractionation of the nonpolar transfer ribonucleic acids from rat liver, yeast, and Escherichia coli by partition chromatography.
Topics: Amino Acid Sequence; Amino Acids; Animals; Arginine; Aspartic Acid; Chromatography; Chromatography, Gel; Cysteine; Escherichia coli; Genetic Code; Glutamates; Leucine; Liver; Lysine; Methionine; Nucleosides; Phenylalanine; Rats; RNA, Transfer; Saccharomyces; Serine; Species Specificity; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Structure of the porcine LH- and FSH-releasing hormone. I. The proposed amino acid sequence.
Topics: Acetates; Amino Acid Sequence; Amino Acids; Anhydrides; Animals; Arginine; Chemical Phenomena; Chemistry; Chymotrypsin; Endopeptidases; Follicle Stimulating Hormone; Glutamates; Glycine; Histidine; Hydrogen-Ion Concentration; Hydrolysis; Hypothalamus; Leucine; Luteinizing Hormone; Mass Spectrometry; Methods; Naphthalenes; Peptides; Pituitary Hormone-Releasing Hormones; Proline; Serine; Sulfonic Acids; Swine; Thiocyanates; Tritium; Tryptophan; Tyrosine | 1971 |
Amino acid replacements of the glutamic acid residue at position 48 in the tryptophan synthetase A protein of Escherichia coli.
Topics: Amino Acid Sequence; Crosses, Genetic; Escherichia coli; Genetic Code; Genetics, Microbial; Glutamates; Ligases; Methionine; Molecular Biology; Mutation; Suppression, Genetic; Tryptophan; Tyrosine; Valine | 1968 |
Sugar transport. 3. Purification and properties of a phosphocarrier protein (HPr) of the phosphoenolpyruvate-dependent phosphotransferase system of Escherichia coli.
Topics: Amino Acids; Bacterial Proteins; Carbon Isotopes; Carrier Proteins; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cysteine; Electrophoresis; Electrophoresis, Disc; Escherichia coli; Hexosamines; Histidine; Hot Temperature; Hydrolysis; Imidazoles; Molecular Weight; Phosphoenolpyruvate; Phosphoproteins; Phosphorus Isotopes; Phosphotransferases; Protein Binding; Proteins; Spectrophotometry; Time Factors; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1971 |
Location of aromatic amino acids and belix content in Escherichia coli ribonucleic acid polymerase.
Topics: Amino Acids; Escherichia coli; Glycerol; Mercaptoethanol; Molecular Biology; Optical Rotatory Dispersion; RNA Nucleotidyltransferases; Spectrum Analysis; Tryptophan; Tyrosine; Urea | 1971 |
Fingerprint maps of tryptic peptides from subunits of Escherichia coli and T 4 -modified DNA-dependent RNA polymerases.
Topics: Arginine; Chromatography; Coliphages; DNA; Electrophoresis; Escherichia coli; Formates; Histidine; Hydrolysis; Indenes; Indicators and Reagents; Ketones; Molecular Weight; Peptides; RNA Nucleotidyltransferases; Trypsin; Tryptophan; Tyrosine | 1971 |
L-Asparaginase from Escherichia coli B. Physicochemical studies of the dissociation process.
Topics: Alcohols; Asparaginase; Binding Sites; Detergents; Dioxins; Escherichia coli; Fluorometry; Macromolecular Substances; Protein Binding; Protein Denaturation; Spectrophotometry; Sulfuric Acids; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Urea | 1971 |
Discovery of a new synthetic tetrapeptide having luteinizing releasing hormone (LRH) activity.
Topics: Amino Acid Sequence; Arginine; Biological Assay; Chromatography, Thin Layer; Glutamates; Hypothalamus; Luteinizing Hormone; Peptides; Pituitary Hormone-Releasing Hormones; Stimulation, Chemical; Tryptophan; Tyrosine | 1971 |
Simple and rapid procedure for chromatographic identification of multiple transfer RNA species from Escherichia coli.
Topics: Benzoates; Carbon Isotopes; Chromatography, DEAE-Cellulose; Cysteine; Escherichia coli; Ethanol; Isotope Labeling; Methods; Phenylalanine; RNA, Transfer; Sulfur Isotopes; Tryptophan; Tyrosine | 1971 |
Study of the spectrum of mutations caused by formaldehyde in Escherichia coli K-12 3.0SO in different periods of a synchronized lag phase.
Topics: Cell Division; Chromosome Mapping; Crosses, Genetic; DNA Replication; Escherichia coli; Formaldehyde; Histidine; Mutation; Penicillins; Purines; Recombination, Genetic; Shikimic Acid; Time Factors; Tryptophan; Tyrosine | 1971 |
Control of aromatic acid biosynthesis in Bacillus subtilis: sequenial feedback inhibition.
Topics: Bacillus subtilis; Feedback; Hydro-Lyases; In Vitro Techniques; Ligases; Oxidoreductases; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1966 |
Further evidence concerning the configuration of transforming deoxyribonucleic acid during entry into Bacillus subtilis.
Topics: Bacillus subtilis; Chromosome Mapping; Chromosomes; DNA; In Vitro Techniques; Tryptophan; Tyrosine | 1966 |
Tryptophan- and indole-excreting prototrophic mutant of Escherichia coli.
Topics: Carbonic Anhydrases; Enzyme Repression; Escherichia coli; Indoles; Ligases; Mutagens; Mutation; Phenylalanine; Tryptophan; Tyrosine | 1964 |
Inactivation of transforming deoxyribonucleic acid by carzinophillin and mitomycin C.
Topics: Bacillus subtilis; Chemical Phenomena; Chemistry; DNA, Bacterial; Histidine; Hot Temperature; Mitomycins; Mutation; Shikimic Acid; Tryptophan; Tyrosine | 1966 |
Amino-acid protection of ultra-violet-irradiated Bacillus subtilis.
Topics: Acid-Base Equilibrium; Alanine; Bacillus subtilis; Culture Media; Glycine; Histidine; Phenylalanine; Proline; Radiation Effects; Serine; Threonine; Tryptophan; Tyrosine; Ultraviolet Rays | 1966 |
A histochemical study on the Reichert membrane of the rat's placenta.
Topics: Animals; Arginine; Cysteine; Cystine; Female; Ferricyanides; Histocytochemistry; Indicators and Reagents; Membranes; Neuraminic Acids; Placenta; Polysaccharides; Pregnancy; Rats; Tryptophan; Tyrosine | 1965 |
Comparative control of a branch-point enzyme in microorganisms.
Topics: Actinomycetales; Aeromonas; Aminobenzoates; Bacillus; Bacteria; Benzoates; Culture Media; Cyclohexanecarboxylic Acids; Enterobacter; Erwinia; Escherichia; Feedback; Fungi; Isoenzymes; Ligases; Micrococcus; Phenylalanine; Proteus; Pseudomonas; Salmonella; Serratia; Streptococcus; Tryptophan; Tyrosine; Xanthomonas | 1967 |
[Regulation of biosynthesis of aromatic amino acids by Calviceps paspali].
Topics: Aldehyde-Lyases; Amino Acids; Ascomycota; Cellulose; Centrifugation, Zonal; Chromatography, Ion Exchange; Enzyme Inhibitors; Isoenzymes; Ligases; Models, Biological; Oxidoreductases; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1967 |
Modification of sRNA and regulation of protein synthesis.
Topics: Bacillus subtilis; Bacterial Proteins; Chromatography; Chromosome Mapping; Coliphages; Escherichia coli; Genetic Code; Leucine; RNA, Messenger; RNA, Transfer; Tryptophan; Tyrosine | 1966 |
Itoic acid synthesis in Bacillus subtilis.
Topics: Bacillus subtilis; Benzoates; Carbon Isotopes; Glycine; Iron; ortho-Aminobenzoates; Phenylalanine; Tryptophan; Tyrosine | 1968 |
The nature of 3-deoxy-d-arabino-heptulosonate 7-phosphate synthase in extracts of wild-type Neurospora crassa: a reaction controlled by two activating substrates and three allosteric negative modifiers.
Topics: Aldehyde-Lyases; Cobalt; Edetic Acid; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Neurospora; Phenylalanine; Phosphates; Pyruvates; Spectrophotometry; Tryptophan; Tyrosine | 1968 |
[A further contribution to the understanding of the chemical nature of vitelline globules in Aplysia depilans L. (Moll. Gast. Opis.)].
Topics: Animals; Arginine; Female; Ovum; Snails; Tryptophan; Tyrosine | 1967 |
Comparative aspects of tyrosine hydroxylase and tryptophan hydroxylase inhibition: arterenones and dihydroxyphenylacetamide (H 22-54).
Topics: Acetophenones; Adrenal Medulla; Amides; Animals; Brain; Cattle; Iron; Mast-Cell Sarcoma; Methyltyrosines; Mice; Mixed Function Oxygenases; Norepinephrine; Phenylacetates; Phenylalanine; Sarcoma, Experimental; Tritium; Tryptophan; Tyrosine | 1968 |
Regulation of enzyme synthesis in the aromatic amino acid pathway of Bacillus subtilus.
Topics: Arabinose; Bacillus subtilis; Enzyme Repression; Heptoses; Ligases; Molecular Biology; Mutation; ortho-Aminobenzoates; Oxidoreductases; Phosphotransferases; Shikimic Acid; Tryptophan; Tyrosine | 1969 |
Microbiological plate assay methods for free amino acid levels in blood.
Topics: Amino Acids; Arginine; Biological Assay; Culture Media; Cystine; Enterococcus faecalis; Histidine; Humans; Lactobacillus; Lysine; Methionine; Methods; Pediococcus; Threonine; Tryptophan; Tyrosine | 1969 |
Isolation of amino acid transport-negative mutants of Pseudomonas aeruginosa and cells with repressed transport activity.
Topics: Amino Acids; Arginine; Biological Transport; Carbon Isotopes; Enzyme Repression; Membrane Transport Proteins; Mutation; Phenylalanine; Proline; Pseudomonas aeruginosa; Tryptophan; Tyrosine | 1969 |
Regulated enzymes of aromatic amino acid synthesis: control, isozymic nature, and aggregation in Bacillus subtilis and Bacillus licheniformis.
Topics: Bacillus; Bacillus subtilis; Enzyme Repression; Genetics, Microbial; Ligases; Molecular Biology; Phenylalanine; Phosphotransferases; Shikimic Acid; Transferases; Tryptophan; Tyrosine | 1969 |
Association-dissociation phenomena in glycinin.
Topics: Chemical Phenomena; Chemistry; Electrophoresis, Disc; Hot Temperature; Hydrogen-Ion Concentration; Immunodiffusion; Mercaptoethanol; Plant Proteins; Protein Denaturation; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
[Structural histochemical study of the caudel neurosecretory system in Cyrpinus carpio L].
Topics: Amino Acids; Animals; Cholesterol; Choline; Cyprinidae; Fats, Unsaturated; Histidine; Histocytochemistry; Lipids; Neurosecretion; Spinal Cord; Tryptophan; Tyrosine | 1968 |
The localization of N6-(delta 2-isopentenyl) adenosine among the acceptor species of transfer ribonucleic acid of Lactobacillu acidophilus.
Topics: Alkenes; Amino Acids; Anhydrides; Carbon Isotopes; Cellulose; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography; Chromatography, Ion Exchange; Culture Media; Cysteine; Genetic Code; Lactobacillus acidophilus; Leucine; Mevalonic Acid; Nucleosides; RNA, Bacterial; RNA, Transfer; Serine; Tritium; Tryptophan; Tyrosine | 1969 |
[Histochemical studies on the secretion of human and mammalian urethral glands].
Topics: Animals; Bulbourethral Glands; Cattle; Cricetinae; Exocrine Glands; Glycoproteins; Guinea Pigs; Histocytochemistry; Histological Techniques; Horses; Male; Mice; Proteins; Rabbits; Rats; Tryptophan; Tyrosine; Urethra | 1969 |
Studies on chemically modified cytochrome c. 3. The 22-acetyl-cytochrome c.
Topics: Acetates; Animals; Biochemical Phenomena; Biochemistry; Carbon Monoxide; Cattle; Cytochromes; Edetic Acid; Hydrogen-Ion Concentration; Iron; Lysine; Methionine; Oxidation-Reduction; Spectrophotometry; Tryptophan; Tyrosine | 1969 |
Effect of calcium ion on S-100, a protein of the nervous system.
Topics: Acrylates; Animals; Antigens; Brain Chemistry; Calcium; Cattle; Chemical Phenomena; Chemistry; Chymotrypsin; Cysteine; Electrophoresis; Fluorometry; Immune Sera; Immunodiffusion; Magnesium; Methods; Nerve Tissue Proteins; Optical Rotatory Dispersion; Phenylalanine; Potassium; Protein Binding; Protein Denaturation; Quaternary Ammonium Compounds; Rabbits; Sodium; Solubility; Spectrophotometry; Strontium; Sulfhydryl Compounds; Time Factors; Tryptophan; Tyrosine; Urea; Viscosity | 1969 |
Incorporation of 5-methyl- and 5-hydroxy-tryptophan into the protein of Bacillus subtilis.
Topics: Amino Acids; Bacillus subtilis; Carbon Isotopes; Centrifugation, Density Gradient; Chromatography, Thin Layer; Culture Media; Lysine; Phenylalanine; Protein Hydrolysates; Ribosomes; Serotonin; Starvation; Tryptophan; Tyrosine; Uracil | 1970 |
Equine immunoglobulins: a comparison of molecular properties.
Topics: Amino Acids; Animals; Antibodies; Antigens; Blood Glucose; Chromatography, Gel; Diphtheria Toxin; Electrophoresis; Erythema; Hexoses; Horses; Hydrogen-Ion Concentration; Immune Sera; Immunodiffusion; Immunoelectrophoresis; Immunoglobulin G; Molecular Weight; Optical Rotatory Dispersion; Rabbits; Skin Tests; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Urea | 1969 |
Regulation of chemoautotrophic metabolism. II. Competition between amino acids for incorporation into Thiobacillus.
Topics: Amino Acids; Carbon Isotopes; Depression, Chemical; Phenylalanine; Pseudomonas aeruginosa; Thiobacillus; Tryptophan; Tyrosine | 1969 |
Properties and reaction with iodoacetamide of adenosine 5'-triphosphate-creatine phosphotransferase from human skeletal muscle. Further evidence about the role of the essential thiol group in relation to the mechanism of action.
Topics: Adenosine Triphosphate; Amino Acids; Animals; Creatine Kinase; Electrophoresis; Haplorhini; Humans; Iodoacetates; Kinetics; Magnesium; Molecular Weight; Muscles; Nitrogen; Rabbits; Tryptophan; Tyrosine | 1970 |
[Effect of fixative components on some histochemical properties of freeze substituted tissue].
Topics: Acetates; Animals; Cerebellum; Chromates; Ethanol; Freezing; Guinea Pigs; Histidine; Histocytochemistry; Indicators and Reagents; Intestine, Small; Kidney; Liver; Mercury; Myocardium; Phosphotungstic Acid; Picrates; Rats; Salicylates; Stomach; Submandibular Gland; Sulfides; Trichloroacetic Acid; Tryptophan; Tyrosine; Uranium | 1970 |
Regulation of the chorismic acid branch-point in aromatic acid synthesis in blue-green and green algae.
Topics: Acids; Cell-Free System; Chlorophyta; Cyanobacteria; Cyclohexanecarboxylic Acids; Depression, Chemical; Ligases; Phenylalanine; Phosphotransferases; Species Specificity; Spectrum Analysis; Stimulation, Chemical; Tryptophan; Tyrosine | 1969 |
An effect of temperature on the Bacillus subtillis transfer RNA's which respond to codons beginning with U and A correlation with cytokinin activity.
Topics: Adenine; Bacillus subtilis; Binding Sites; Chromatography, DEAE-Cellulose; Cystine; Ethanol; Genetic Code; Hot Temperature; Kinins; Leucine; Phenylalanine; RNA, Bacterial; RNA, Transfer; Serine; Sodium Chloride; Tryptophan; Tyrosine; Uridine | 1970 |
The inhibition of intestinal absorption of phenylalanine in the rhesus monkey.
Topics: Alanine; Animals; Diet; Haplorhini; Intestinal Absorption; Leucine; Male; Phenylalanine; Tryptophan; Tyrosine | 1970 |
Metabolic interlock. The multi-metabolite control of prephenate dehydratase activity in Bacillus subtilis.
Topics: Bacillus subtilis; Cyclohexanes; Feedback; Hydro-Lyases; Leucine; Methionine; Mutation; Phenylalanine; Pyruvates; Tryptophan; Tyrosine | 1970 |
Transport of aromatic amino acids by Pseudomonas aeruginosa.
Topics: Amino Acids; Autoradiography; Biological Transport; Carbon Isotopes; Chromatography, Thin Layer; Culture Media; Genetics, Microbial; Glucose; Mutation; Phenylalanine; Pseudomonas aeruginosa; Tryptophan; Tyrosine | 1971 |
[Chemical modification and catalytic activity of carbonate-hydro-lyase B from bovine erythrocytes. Modification of arginine, histidine, lysine, tyrosine and tryptophan].
Topics: Arginine; Carbonic Anhydrases; Chemical Phenomena; Chemistry; Erythrocytes; Histidine; Hydrogen-Ion Concentration; Lysine; Molecular Biology; Tryptophan; Tyrosine | 1971 |
Structural investigations on pancreatic alpha-amylase. The effect of urea on the ultraviolet absorption.
Topics: Amylases; Animals; Calcium; Chemical Phenomena; Chemistry; Edetic Acid; Hydrogen-Ion Concentration; Kinetics; Pancreas; Protein Binding; Protein Denaturation; Solvents; Spectrophotometry; Swine; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1970 |
Metabolic interlock. The role of the subordinate type of enzyme in the regulation of a complex pathway.
Topics: Bacillus subtilis; Binding Sites; Cell-Free System; Cyclohexanecarboxylic Acids; Enzyme Repression; Feedback; Genetics, Microbial; Hybridization, Genetic; Isomerases; Mutation; Phenylalanine; Pyruvates; Shikimic Acid; Tryptophan; Tyrosine | 1971 |
The effect of tyrosyl modification on the activity of -lactalbumin in the lactose synthetase reaction.
Topics: Albumins; Amino Acids; Animals; Catechol Oxidase; Cattle; Chemical Phenomena; Chemistry; Chromatography, DEAE-Cellulose; Chromatography, Gel; Electrophoresis, Disc; Galactose; Glucose; Histidine; Iodine; Kinetics; Macromolecular Substances; Milk; Nitro Compounds; Nucleoside Diphosphate Sugars; Phenylalanine; Transferases; Tryptophan; Tyrosine; Uracil Nucleotides | 1971 |
Studies on inosine-5-phosphate dehydrogenase of Bacillus subtilis. Purification and general properties.
Topics: Amino Acid Sequence; Amino Acids; Autoanalysis; Bacillus subtilis; Chemical Phenomena; Chemical Precipitation; Chemistry; Chloromercuribenzoates; Chromatography, Gel; Drug Stability; Electrophoresis; Electrophoresis, Disc; Enzyme Repression; Ethylmaleimide; Glutathione; Hydrogen-Ion Concentration; Kinetics; Maleates; Molecular Weight; Mutation; Nitrobenzenes; Nucleotides; Oxidation-Reduction; Oxidoreductases; Protamines; Quaternary Ammonium Compounds; Sulfates; Sulfuric Acids; Tryptophan; Tyrosine; Ultracentrifugation | 1971 |
Structural proteins of adenoviruses. VII. Purification and properties of an arginine-rich core protein from adenovirus type 2 and type 3.
Topics: Adenoviridae; Alanine; Amino Acids; Animals; Antigens; Arginine; Autoanalysis; Carcinoma; Cell Line; Chromatography, Thin Layer; Complement Fixation Tests; Cricetinae; Electrophoresis, Disc; Fluorometry; Immune Sera; Immunodiffusion; Molecular Weight; Mouth Neoplasms; Rabbits; Serotyping; Spectrophotometry; Sulfur Isotopes; Tritium; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Viral Proteins; Virus Cultivation | 1971 |
Effect of modification on physiochemical and biological properties of haptoglobin. 3. Antigenic reactivity of haptoglobin with blocked tyrosine or tryptophan residues.
Topics: Acetates; Acylation; Animals; Antigens; Binding Sites; Chemical Phenomena; Chemistry; Cross Reactions; Haptoglobins; Horses; Humans; Imidazoles; Immune Sera; Immunodiffusion; Immunoelectrophoresis; Nitrophenols; Peroxidases; Precipitin Tests; Protein Conformation; Rabbits; Tryptophan; Tyrosine | 1971 |
Studies on the minor haemoglobin components of anthropoid apes and new world monkeys.
Topics: Animals; Arginine; Blood Protein Electrophoresis; Chloromercuribenzoates; Chromatography, Ion Exchange; Chromatography, Paper; Electrophoresis, Paper; Haplorhini; Hemoglobins; Histidine; Hominidae; Humans; Hybridization, Genetic; Macaca; Macromolecular Substances; Pan troglodytes; Peptides; Polymorphism, Genetic; Species Specificity; Trypsin; Tryptophan; Tyrosine | 1971 |
Effect of oxidation on the transition of penicillinase conformation.
Topics: Bacillus cereus; beta-Lactamase Inhibitors; Catalysis; Diiodotyrosine; Hydrogen Peroxide; Hydrogen-Ion Concentration; Iodine; Kinetics; Monoiodotyrosine; Nitrogen; Oxidation-Reduction; Penicillinase; Protein Conformation; Protein Denaturation; Spectrophotometry; Sulfites; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Circular dichroism studies on the variable and constant halves of kappa-type Bence-Jones proteins.
Topics: Amino Acids; Animals; Bence Jones Protein; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Circular Dichroism; Electrophoresis, Disc; Humans; Immunodiffusion; Immunoelectrophoresis; Multiple Myeloma; Peptides; Protein Conformation; Rabbits; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Viscosity | 1971 |
Co-ordinate control of tryptophan, histidine and tyrosine enzyme synthesis in Bacillus subtilis.
Topics: Amino Acids; Bacillus subtilis; Chromosome Mapping; Cyclohexanes; Genes; Genetic Code; Genetics, Microbial; Glutamine; Histidine; Ligases; Mutation; Oxidoreductases; Pyruvates; Shikimic Acid; Transaminases; Tryptophan; Tyrosine | 1971 |
Separation and properties of isozymes of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthetase from Saccharomyces cerevisiae.
Topics: Aldehyde-Lyases; Chromatography, Affinity; Chromatography, Thin Layer; Cobalt; Dipeptides; Drug Stability; Edetic Acid; Glycine; Heptoses; Hydrogen-Ion Concentration; Isoenzymes; Kinetics; Manganese; Molecular Weight; Phenylalanine; Phosphoenolpyruvate; Saccharomyces; Saccharomyces cerevisiae; Temperature; Tryptophan; Tyrosine; Zinc | 1971 |
On the structure of the hypothalamic luteinizing releasing hormone. Evidence for the presence of arginine, tyrosine, and tryptophan by inactivation.
Topics: Aldehydes; Animals; Arginine; Biological Assay; Catechol Oxidase; Cattle; Chromatography, Gel; Ethylmaleimide; Female; Glyoxylates; Hypothalamus; Iodine Isotopes; Luteinizing Hormone; Methane; Nitro Compounds; Nitrophenols; Onium Compounds; Peptides; Pituitary Hormone-Releasing Hormones; Radioimmunoassay; Rats; Stimulation, Chemical; Swine; Trypsin; Tryptophan; Tyrosine | 1971 |
Activity of a new synthetic tetrapeptide in hypothalamic luteinizing and follicle stimulating releasing hormone assay systems.
Topics: Amino Acid Sequence; Animals; Arginine; Biological Assay; Castration; Female; Follicle Stimulating Hormone; Glutamates; Histidine; In Vitro Techniques; Iodine Isotopes; Luteinizing Hormone; Mice; Peptides; Pituitary Gland; Pituitary Hormone-Releasing Hormones; Proline; Radioimmunoassay; Rats; Thyrotropin; Thyrotropin-Releasing Hormone; Tryptophan; Tyrosine | 1971 |
3-D-eoxy-D-arabino-heptulosonate-7-phosphate synthase of Streptomyces aureofaciens Tü 24. II. Repression and inhibition by tryptophan and tryptophan analogues.
Topics: 5-Hydroxytryptophan; Aldehyde-Lyases; Allosteric Regulation; Enzyme Repression; Hydrogen-Ion Concentration; Phenylalanine; Phosphoenolpyruvate; Stereoisomerism; Streptomyces; Streptomyces aureofaciens; Tetroses; Tryptophan; Tyrosine | 1971 |
Influence of energy transfer on the photoionization of tryptophan and tyrosine in basic media.
Topics: Energy Transfer; Fluorescence; Hydrogen-Ion Concentration; Photochemistry; Tryptophan; Tyrosine | 1972 |
Effects of -radiation on concentrated solutions of -chymotrypsin.
Topics: Air; Albumins; Anilides; Carbamates; Caseins; Chymotrypsin; Cobalt Isotopes; Electrophoresis; Esters; Hemoglobins; Hydrochloric Acid; Imidazoles; Leucine; Nitro Compounds; Nitrogen; Nitrophenols; Peptides; Phenylalanine; Radiation Effects; Radiochemistry; Riboflavin; Solutions; Structure-Activity Relationship; Tryptophan; Tyrosine | 1972 |
Marked change of circular dichroism of L-cystine solution with temperature.
Topics: Chemical Phenomena; Chemistry; Circular Dichroism; Cystine; Disulfides; Ethanol; Guanidines; Protein Conformation; Stereoisomerism; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Specificity of Aeromonas aminopeptidase toward amino acid amides and dipeptides.
Topics: Aeromonas; Alanine; Amides; Amino Acids; Aminocaproates; Aminopeptidases; Dipeptides; Glycine; Isoleucine; Kinetics; Leucine; Methionine; Phenylalanine; Structure-Activity Relationship; Tryptophan; Tyrosine; Valerates; Valine | 1972 |
[Therapy of phenylketonuria].
Topics: Diet Therapy; Humans; Methionine; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1972 |
[Tryptophan and tyrosine content of formolized tetanus toxoid protein].
Topics: Colorimetry; Hydrolysis; Spectrophotometry; Tetanus Toxoid; Tryptophan; Tyrosine | 1972 |
Participation of the tyrosine residue at position 139 of tobacco mosaic virus protein in the reconstitution reaction.
Topics: Amino Acid Sequence; Amino Acids; Bromine; Centrifugation, Density Gradient; RNA, Viral; Succinimides; Sucrose; Tobacco Mosaic Virus; Tryptophan; Tyrosine; Viral Proteins | 1972 |
Fluorescence studies of human growth hormone.
Topics: Amides; Dioxins; Ethanol; Fluorescence; Growth Hormone; Guanidines; Humans; Hydrogen-Ion Concentration; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1972 |
Thermal perturbation difference spectroscopy of proteins.
Topics: Absorption; Hydrogen-Ion Concentration; Hydrolysis; Insulin; Muramidase; Proteins; Ribonucleases; Serum Albumin; Spectrum Analysis; Surface Properties; Thermodynamics; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Location of tryptophyl and tyrosyl residues in human chorionic gonadotropin.
Topics: Chorionic Gonadotropin; Deuterium; Glycols; Humans; Mercaptoethanol; Protein Conformation; Spectrophotometry; Sucrose; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1972 |
Kinetics of influx of phenylalanine, tyrosine, tryptophan, histidine and leucine into slices of brain cortex from adult and 7-day-old rats.
Topics: Amino Acids; Animals; Biological Transport, Active; Cerebral Cortex; Histidine; Leucine; Phenylalanine; Rats; Tritium; Tryptophan; Tyrosine | 1972 |
Phosphorescence properties of hemocyanin from Levantina hierosolima.
Topics: Amino Acids; Animals; Apoproteins; Copper; Energy Transfer; Hemocyanins; Kinetics; Luminescent Measurements; Oxygen; Snails; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1972 |
Metabolism of aromatic acids in plant organelles.
Topics: Cinnamates; Hydroxylation; Magnoliopsida; Organoids; Phenylalanine; Plant Cells; Plants; Plants, Toxic; Ricinus; Tryptophan; Tyrosine | 1972 |
Structure-function relationships of neurotoxins isolated from Naja haje venom. Physiochemical properties and identification of the active site.
Topics: Acylation; Amides; Amino Acids; Animals; Binding Sites; Chemical Phenomena; Chemistry; Dansyl Compounds; Hot Temperature; Hydrogen-Ion Concentration; Lysine; Mice; Nitrates; Optical Rotatory Dispersion; Protein Conformation; Protein Denaturation; Snakes; Spectrometry, Fluorescence; Spectrophotometry; Structure-Activity Relationship; Toxins, Biological; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays; Urea; Venoms | 1972 |
Specificity in enzyme inhibition. 2. -Aminohydroxamic acids as inhibitors of histidine decarboxylase and 3,4-dihydroxyphenylalanine decarboxylase.
Topics: Alanine; Amino Acids; Aromatic Amino Acid Decarboxylase Inhibitors; Binding Sites; Carboxy-Lyases; Drug Antagonism; Histidine; Hydroxamic Acids; Imidazoles; Models, Chemical; Phenylalanine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1972 |
Snake venom toxins. The amino acid sequences of two toxins from Dendroaspis polylepis polylepis (black mamba) venom.
Topics: Alkylation; Amino Acid Sequence; Amino Acids; Animals; Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Ion Exchange; Chymotrypsin; Disulfides; Lethal Dose 50; Mice; Molecular Weight; Oxidation-Reduction; Peptides; Protein Conformation; Snakes; Species Specificity; Tritium; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation; Venoms | 1972 |
Solvent perturbation of the tyrosyl and tryptophyl residues in subtilisin BPN'.
Topics: Chemical Phenomena; Chemistry; Circular Dichroism; Deuterium; Dimethyl Sulfoxide; Endopeptidases; Glycerol; Glycols; Optical Rotatory Dispersion; Protein Conformation; Solvents; Spectrophotometry; Sucrose; Tryptophan; Tyrosine; Ultraviolet Rays; X-Ray Diffraction | 1972 |
Increase of brain tryptophan by electroconvulsive shock in rats.
Topics: Animals; Brain; Electric Stimulation; Electroshock; Hydroxyindoleacetic Acid; Kinetics; Male; Rats; Serotonin; Tryptophan; Tyrosine | 1972 |
Local and systemic effects of phenylalanine on intestinal transport of tyrosine and tryptophan.
Topics: Amino Acids; Animals; Diet; Electrophoresis; Female; Glucose; In Vitro Techniques; Intestinal Absorption; Intestinal Mucosa; Intestine, Small; Methods; Perfusion; Phenylalanine; Rats; Rats, Inbred Strains; Spectrophotometry; Tryptophan; Tyrosine | 1972 |
Serotonin synthesis with rat brain synaptosomes. Effects of L-dopa, L-3-methoxytyrosine and catecholamines.
Topics: Animals; Brain; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Mitochondria; Nerve Endings; Norepinephrine; Rats; Serotonin; Synaptic Vesicles; Synaptosomes; Time Factors; Tritium; Tryptophan; Tyrosine | 1972 |
Serotonin synthesis with rat brain synaptosomes. Effects of serotonin and monoamineoxidase inhibitors.
Topics: Animals; Brain; Brain Stem; Carbon Isotopes; Diencephalon; Kinetics; Mitochondria; Monoamine Oxidase Inhibitors; Nerve Endings; Rats; Rats, Inbred Strains; Serotonin; Synaptic Vesicles; Synaptosomes; Tritium; Tryptophan; Tryptophan Oxygenase; Tyrosine | 1972 |
Amino acid sequence of thermolysin. Isolation and characterization of the fragments obtained by cleavage with cyanogen bromide.
Topics: Amino Acid Sequence; Amino Acids; Carbohydrates; Carboxypeptidases; Chromatography, Gel; Chromatography, Paper; Cyanates; Cyanogen Bromide; Electrophoresis; Endopeptidases; Fluorine; Guanidines; Isoleucine; Lysine; Molecular Weight; Nitrobenzenes; Sodium Dodecyl Sulfate; Spectrophotometry; Thermolysin; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Specificity and spectral resolution of an L-glutamate dehydrogenase-monocarboxylic amino acid complex.
Topics: Alanine; Amino Acids; Aminobutyrates; Aminocaproates; Binding Sites; Glutamate Dehydrogenase; Isoleucine; Leucine; Methionine; Protein Binding; Spectrophotometry; Structure-Activity Relationship; Tryptophan; Tyrosine; Ultraviolet Rays; Valine | 1972 |
Iodination of ovotransferrin and its iron complex. Extent of involvement of tyrosine phenolic groups in the iron binding.
Topics: Amino Acid Sequence; Chromatography, Ion Exchange; Diiodotyrosine; Histidine; Iodine; Monoiodotyrosine; Protein Binding; Spectrophotometry; Transferrin; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Further chemical modification studies on concanavalin A, the carbohydrate binding protein of the jack bean.
Topics: Acetates; Acylation; Alkylation; Azo Compounds; Benzyl Compounds; Bromine; Butanones; Chemical Phenomena; Chemical Precipitation; Chemistry; Concanavalin A; Dextrans; Glycosides; Imidazoles; Kinetics; Lectins; Nitrophenols; Protein Binding; Protein Denaturation; Spectrophotometry; Succinimides; Sulfenic Acids; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Effects of immobilization and food deprivation on rat brain tryptophan metabolism.
Topics: Adrenalectomy; Animals; Brain; Food Deprivation; Hydroxyindoleacetic Acid; Immobilization; Indoles; Male; Rats; Serotonin; Stress, Physiological; Tryptophan; Tyrosine | 1972 |
Interaction in the cerebral metabolism of the biogenic amines. Effect of phenelzine on this interaction.
Topics: Animals; Brain; Brain Chemistry; Caudate Nucleus; Dogs; Dopamine; Injections, Intravenous; Male; Phenelzine; Phenylacetates; Tryptophan; Tyramine; Tyrosine | 1972 |
Chemical modification of the high-affinity bilirubin-binding site of human-serum albumin.
Topics: Acylation; Arginine; Aspirin; Bilirubin; Binding Sites; Chemical Phenomena; Chemistry; Chromatography, Gel; Cysteine; Electrophoresis; Histidine; Humans; Lysine; Protein Binding; Protein Conformation; Serum Albumin; Tryptophan; Tyrosine | 1972 |
Human tryptophan and tyrosine metabolism: effects of acute exposure to cold stress.
Topics: Adult; Amino Acids; Body Temperature; Circadian Rhythm; Cold Climate; Humans; Hydrocortisone; Kynurenic Acid; Male; Stress, Physiological; Tryptophan; Tryptophan Oxygenase; Tyrosine; Xanthurenates | 1972 |
Evidence that in rats 1-benzyl- -methoxy-3-trifluoromethylphenethylamine (SK& F 1-39728) dissociates anorexia from central stimulation and actions on brain monoamine stores.
Topics: Animals; Appetite; Appetite Depressants; Benzyl Compounds; Biogenic Amines; Body Temperature; Brain; Brain Chemistry; Central Nervous System; Dextroamphetamine; Dopamine; Fenfluramine; Fluorine; Kinetics; Male; Motor Activity; Norepinephrine; Phenethylamines; Rats; Rats, Inbred Strains; Serotonin; Stimulation, Chemical; Tritium; Tryptophan; Tyrosine | 1972 |
The -chymotrypsin-catalyzed hydrolysis of esters of -amino acids.
Topics: Amino Acids; Catalysis; Chemical Phenomena; Chemistry; Chymotrypsin; Esters; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Nitrophenols; Tryptophan; Tyrosine | 1972 |
Fluorescence and circular dichroism of Bence-Jones proteins at high temperature.
Topics: Bence Jones Protein; Chemical Phenomena; Chemical Precipitation; Chemistry; Circular Dichroism; Fluorescence; Hot Temperature; Hydrogen-Ion Concentration; Protein Conformation; Solubility; Thermodynamics; Tryptophan; Tyrosine | 1972 |
Selective free radical reactions with proteins and enzymes: reactions of inorganic radical anions with amino acids.
Topics: Alanine; Amino Acids; Bromides; Carbonates; Chlorides; Cysteine; Free Radicals; Histidine; Hydrogen-Ion Concentration; Iodides; Kinetics; Methionine; Muramidase; Proteins; Radiation Effects; Radiochemistry; Spectrophotometry; Thiocyanates; Tryptophan; Tyrosine | 1972 |
Circular dichroism of iron, copper, and zinc complexes of transferrin.
Topics: Circular Dichroism; Copper; Disulfides; Humans; Iron; Mathematics; Optical Rotatory Dispersion; Protein Binding; Protein Conformation; Spectrophotometry; Transferrin; Tryptophan; Tyrosine; Ultraviolet Rays; Zinc | 1972 |
Magnetic circular dichroism studies. XVII. Magnetic circular dichroism spectra of proteins. A new method for the quantitative determination of tryptophan.
Topics: Circular Dichroism; Magnetics; Methods; Peptides; Proteins; Spectrum Analysis; Tryptophan; Tyrosine | 1972 |
Elevation of plasma tryptophan by insulin in rat.
Topics: Amino Acids; Animals; Blood Glucose; Brain; Dietary Carbohydrates; Fluorometry; Glucagon; Insulin; Male; Rats; Serotonin; Tryptophan; Tyrosine | 1972 |
The molecular properties of human growth hormone.
Topics: Amino Acid Sequence; Amino Acids; Animals; Chemical Phenomena; Chemistry; Circular Dichroism; Drug Stability; Growth Hormone; Humans; Hydrogen-Ion Concentration; Peptides; Prolactin; Protein Conformation; Sheep; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Urea | 1972 |
Characterization of protein triplet states by optical detection of magnetic resonance.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry, Physical; Cold Temperature; Luminescent Measurements; Methods; Radiation Effects; Serum Albumin, Bovine; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Band-shape analysis and display of fine structure in protein spectra: a new approach to perturbation spectroscopy.
Topics: Acetates; Animals; Apoproteins; Aspartate Aminotransferases; Cattle; Chymotrypsinogen; Computers; Cysteine; Egg White; Ethanol; Glucagon; Mathematics; Methods; Muramidase; Myocardium; Pancreas; Phenylalanine; Protein Conformation; Protein Denaturation; Ribonucleases; Spectrophotometry; Swine; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1972 |
Some effects of calcium ions on the structure of bovine pancreatic deoxyribonuclease A.
Topics: Animals; Calcium Chloride; Cattle; Circular Dichroism; Deoxyribonucleases; Magnesium; Manganese; Optical Rotatory Dispersion; Pancreas; Protein Binding; Protein Conformation; Spectrophotometry; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1972 |
The labelling of proteins by irradiation in tritiated water.
Topics: Alkylation; Amino Acids; Animals; Cetacea; Chromatography, Ion Exchange; Cysteine; Egg White; Endopeptidases; Histidine; Isotope Labeling; Leucyl Aminopeptidase; Muramidase; Myoglobin; Phenylalanine; Photolysis; Pronase; Radiation Effects; Tritium; Tryptophan; Tyrosine; Ultraviolet Rays; Water; Wool | 1972 |
[Biochemical studies on the age-related variations of the human intervertebral disc].
Topics: Adolescent; Adult; Aged; Aging; Child; Child, Preschool; Chromatography; Collagen; Galactosamine; Glucosamine; Hexosamines; Humans; Infant; Intervertebral Disc; Lumbar Vertebrae; Middle Aged; Phenylalanine; Potassium; Sodium; Thoracic Vertebrae; Tryptophan; Tyrosine | 1972 |
New protein reagents. II. 4-chloro-3,5-dinitrophenacyl bromide.
Topics: Acetophenones; Animals; Bromine; Carboxylic Acids; Cattle; Chemical Phenomena; Chemistry; Chlorine; Chromatography, Thin Layer; Diazomethane; Histidine; Hydrolysis; Indicators and Reagents; Nitrates; Nitro Compounds; Pancreas; Phenylalanine; Ribonucleases; Spectrophotometry; Sulfhydryl Compounds; Tryptophan; Tyrosine; Ultraviolet Rays | 1972 |
Localization of affinity-labeled residues on the heavy and light chain of two myeloma proteins with anti-hapten activity.
Topics: Acetates; Amino Acid Sequence; Amino Acids; Animals; Bromine; Carbon Isotopes; Carboxypeptidases; Chromatography, Affinity; Chromatography, Gel; Ethylenediamines; Haptens; Lysine; Mice; Myeloma Proteins; Nitro Compounds; Peptides; Spectrophotometry; Trypsin; Tryptophan; Tyrosine | 1972 |
The denaturation of muscle phosphorylase b by urea.
Topics: Animals; Circular Dichroism; Electrophoresis, Disc; Glucosyltransferases; Macromolecular Substances; Muscles; Phosphorylases; Protein Conformation; Protein Denaturation; Pyridoxamine; Rabbits; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Urea | 1972 |
The influence of various amines and amino acids on K + -stimulated release of dopamine and serotonin from rat striatum.
Topics: Amines; Amino Acids; Aminobutyrates; Animals; Basal Ganglia; Corpus Striatum; Dopamine; Glutamates; Histamine; In Vitro Techniques; Male; Norepinephrine; Potassium; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1972 |
Some effects of dl-4-(2-hydroxy-3-isopropylaminopropoxy) indole (LB46) on brain monoamines and their precursors.
Topics: Aminobutyrates; Animals; Behavior, Animal; Biogenic Amines; Body Temperature; Brain; Brain Chemistry; Dextroamphetamine; Dopamine; Germ-Free Life; Hexobarbital; Methylation; Methyltyrosines; Mice; Norepinephrine; Pindolol; Rats; Reserpine; Serotonin; Sleep; Tryptophan; Tyramine; Tyrosine | 1972 |
Incorporation of phenylalanine, tyrosine and tryptophan into protein of homogenates from developing rat brain: kinetics of incorporation and reciprocal inhibition.
Topics: Age Factors; Animals; Brain; Nerve Tissue Proteins; Phenylalanine; Rats; Tritium; Tryptophan; Tyrosine | 1972 |
Brain serotonin content: physiological regulation by plasma neutral amino acids.
Topics: Amino Acids; Animals; Brain Chemistry; Dietary Carbohydrates; Dietary Proteins; Hydroxyindoleacetic Acid; Isoleucine; Leucine; Male; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine; Valine | 1972 |
Conformational energy calculations of enzyme-substrate interactions. I. Computation of preferred conformations of some substrates of -chymotrypsin.
Topics: Chymotrypsin; Phenylalanine; Protein Conformation; Tryptophan; Tyrosine | 1972 |
Histochemical investigations on the human foetal subcommissural organ. I. Carbohydrates and mucosubstances, proteins and nucleoproteins, esterase, acid and alkaline phosphatase.
Topics: Acid Phosphatase; Alkaline Phosphatase; Arginine; Blood-Brain Barrier; Brain; Brain Chemistry; Carbohydrates; Cell Membrane; Chondroitin; Cystine; Cytoplasm; Epithelium; Esterases; Glycogen; Glycoproteins; Histocytochemistry; Humans; Hyaluronic Acid; Mucoproteins; Nucleoproteins; Tryptophan; Tyrosine | 1972 |
[Histochemical studies on female genital organs during fetal development. VI. Protein histochemistry of the uterine tubes].
Topics: Arginine; Cysteine; Cystine; Epithelial Cells; Epithelium; Fallopian Tubes; Female; Fetus; Gestational Age; Histidine; Histocytochemistry; Humans; Hydroxylysine; Lysine; Pregnancy; Proteins; Tryptophan; Tyrosine | 1972 |
Halogenated tyrosines from the cuticle of Limulus polyphemus (L.).
Topics: Animals; Brachyura; Bromine; Butanols; Chlorine; Chromatography, Gel; Hydrogen-Ion Concentration; Hydrolysis; Iodine; Mass Spectrometry; Pronase; Seawater; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1972 |
Circular dichroism studies on chemically modified derivatives of concanavalin A.
Topics: Bromine; Chemical Phenomena; Chemistry; Circular Dichroism; Concanavalin A; Cyanates; Dioxins; Fluorides; Hydrogen Peroxide; Hydrogen-Ion Concentration; Imidazoles; Lectins; Methane; Nitrogen; Oxidation-Reduction; Ribonucleases; Spectrophotometry, Ultraviolet; Spectrum Analysis; Succinimides; Tryptophan; Tyrosine; Urea | 1972 |
Transamination of amino acids in homogenates of rat brzain.
Topics: Age Factors; Alanine; Amino Acids; Animals; Animals, Newborn; Asparagine; Aspartic Acid; Brain; Chromatography; Culture Media; Electrophoresis, Paper; Glutamates; Glutamine; Isoleucine; Ketoglutaric Acids; Male; Methionine; Organ Culture Techniques; Ornithine; Phenylalanine; Pyruvates; Rats; Transaminases; Tryptophan; Tyrosine; Valine | 1971 |
Quenching of the emission of tryptophan, tyrosine, and serum albumins by cupric ion.
Topics: Animals; Cattle; Copper; Fluorescence; Humans; Serum Albumin; Serum Albumin, Bovine; Spectrum Analysis; Tryptophan; Tyrosine | 1971 |
Effect of excess levels of individual amino acids on growth of rats fed casein diets.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Caseins; Cystine; Depression, Chemical; Dietary Proteins; DNA; Glutamates; Glycine; Growth; Histidine; Isoleucine; Leucine; Liver; Lysine; Male; Methionine; Organ Size; Phenylalanine; Proline; Proteins; Rats; RNA; Serine; Stereoisomerism; Stimulation, Chemical; Threonine; Tryptophan; Tyrosine; Valine | 1971 |
Inter- and intramolecular interactions of alpha-lactalbumin. X. Effect of acylation of tyrosyl and lysyl side chains on molecular conformations.
Topics: Albumins; Animals; Aspartic Acid; Cattle; Chemical Phenomena; Chemistry; Circular Dichroism; Fluorescence; Glutamates; Hydrogen-Ion Concentration; Imidazoles; Lysine; Mathematics; Models, Structural; Protein Denaturation; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Determination of metabolites of tyrosine and of tryptophan and related compounds by gas-liquid chromatography.
Topics: Animals; Chromatography, Gas; Indoles; Kynurenine; Phenylalanine; Rats; Serotonin; Silicon; Tryptamines; Tryptophan; Tyrosine | 1971 |
Probing the topography of proteins in solution by photosensitized oxidation. The heme environment in horse heart ferrocytochrome c.
Topics: Amino Acids; Animals; Chromatography, Gel; Cyanides; Cytochromes; Heme; Histidine; Horses; Hydrogen-Ion Concentration; Iron; Light; Methionine; Myocardium; Oxidation-Reduction; Peptides; Photochemistry; Radiation Effects; Tryptophan; Tyrosine | 1971 |
Fluorescent substances in protein hydrolysates. II. Comparison of some protein and peptide hydrolysates.
Topics: Animals; Cattle; Chromatography, Gel; Collagen; Crystallins; Fluorescence; Fluorometry; Hydrochloric Acid; Hydrogen-Ion Concentration; Hydrolysis; Insulin; Oxidation-Reduction; Papain; Peptide Hydrolases; Peptides; Protamines; Protein Hydrolysates; Radiation Effects; Rats; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Isolation and characterization of two phospholipase A's from the venom of Agkistrodon lays blomhoffii.
Topics: Animals; Chemical Phenomena; Chemistry; Chloromercuribenzoates; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Circular Dichroism; Diffusion; Drug Stability; Electrophoresis, Disc; Hexosamines; Hexoses; Hydrogen-Ion Concentration; Isoelectric Focusing; Methods; Molecular Weight; Neuraminic Acids; Nitrogen; Optical Rotatory Dispersion; Phosphatidylcholines; Phospholipases; Snakes; Spectrophotometry; Sulfhydryl Compounds; Sulfur; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Venoms; Viscosity | 1971 |
Conformational changes in rabbit muscle aldolase. Ultraviolet spectroscopic studies.
Topics: Alkanes; Animals; Binding Sites; Chemical Phenomena; Chemistry; Drug Stability; Esters; Fructose-Bisphosphate Aldolase; Hot Temperature; Indoles; Models, Chemical; Muscles; Nitriles; Pentosephosphates; Phenols; Protein Denaturation; Rabbits; Spectrophotometry; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Near-ultraviolet absorption bands of tryptophan. Studies using horseradish peroxidase isoenzymes, bovine and horse heart cytochrome c, and N-stearyl-L-tryptophan n-hexyl ester.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry; Cold Temperature; Cyclohexanes; Cytochromes; Energy Transfer; Esters; Glycerol; Heme; Horses; Hydrogen-Ion Concentration; Indoles; Isoenzymes; Myocardium; Peroxidases; Phenylalanine; Plants; Spectrophotometry; Stearic Acids; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Effect of stress on the disposition of catecholamines localized in various intraneuronal storage forms in the brain stem of the rat.
Topics: Animals; Brain Stem; Catecholamines; Chromatography, Ion Exchange; Dopamine; Electroshock; Fluorometry; Humans; In Vitro Techniques; Neurons; Norepinephrine; Rats; Serotonin; Spectrum Analysis; Stress, Psychological; Tritium; Tryptophan; Tyrosine | 1971 |
Paramagnetic metal ions as protectors of selected regions of protein molecules from photodynamic action.
Topics: Amino Acids; Animals; Aspartic Acid; Binding Sites; Cattle; Chromatography, Gel; Chromatography, Ion Exchange; Cobalt; Copper; Drug Stability; Glutamates; Guanidines; Histidine; Hydrogen-Ion Concentration; Kynurenine; Light; Methionine; Micrococcus; Muramidase; Oxidation-Reduction; Pancreas; Photochemistry; Protein Denaturation; Radiation Effects; Ribonucleases; Spectrophotometry; Sulfoxides; Temperature; Time Factors; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays; Zinc | 1971 |
The identification of a tryptophan residue essential to the catalytic activity of bovine pancreatic deoxyribonuclease.
Topics: Amino Acids; Animals; Benzyl Compounds; Binding Sites; Calcium Chloride; Cattle; Chromatography, Ion Exchange; Circular Dichroism; Deoxyribonucleases; Drug Stability; Histidine; Mathematics; Mercaptoethanol; Methionine; Nitrobenzenes; Oxidation-Reduction; Pancreas; Pyrrolidinones; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
The molecular properties of human chorionic somatomammotropin.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry; Circular Dichroism; Female; Fluorometry; Growth Hormone; Humans; Hydrogen-Ion Concentration; Light; Mathematics; Naphthalenes; Placental Hormones; Placental Lactogen; Pregnancy; Prolactin; Protein Denaturation; Rotation; Sheep; Spectrophotometry; Sulfonic Acids; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1971 |
The acute effects of oestrogen and progesterone on the monoamine levels of the brain of ovariectomised rats.
Topics: Affective Symptoms; Animals; Brain Chemistry; Castration; Catecholamines; Dopamine; Drug Synergism; Estrus; Ethinyl Estradiol; Female; Humans; Norepinephrine; Ovary; Pregnancy; Progesterone; Rats; Serotonin; Sexual Behavior, Animal; Tryptophan; Tyrosine | 1971 |
Ontogenesis of phenylalanine and tryptophan hydroxylation in rat brain and liver.
Topics: Animals; Animals, Newborn; Brain; Carbon Isotopes; Chromatography; Female; Fetus; Injections, Intraperitoneal; Injections, Spinal; Liver; Mixed Function Oxygenases; Phenylalanine; Pregnancy; Rats; Tryptophan; Tyrosine | 1971 |
A simple procedure for calculating the synthesis rate of norepinephrine, dopamine and serotonin in rat brain.
Topics: Animals; Brain Chemistry; Brain Stem; Diencephalon; Dopamine; Kinetics; Male; Mathematics; Methods; Models, Biological; Norepinephrine; Rats; Serotonin; Telencephalon; Tritium; Tryptophan; Tyrosine | 1971 |
Daily variations in the concentrations of individual amino acids in rat plasma.
Topics: Alanine; Amino Acids; Animals; Circadian Rhythm; Glutamates; Glycine; Isoleucine; Leucine; Methionine; Phenylalanine; Rats; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1971 |
Optical rotatory dispersion and circular dichroism of mono- and oligonucleotide-amino acids (amidates).
Topics: Adenine Nucleotides; Alanine; Amines; Amino Acids; Chemical Phenomena; Chemistry; Chromatography, Paper; Circular Dichroism; Cytosine Nucleotides; Deoxyribonucleotides; Electrophoresis, Paper; Guanine Nucleotides; Inosine Nucleotides; Methylamines; Models, Structural; Nucleotides; Optical Rotatory Dispersion; Phenylalanine; Polynucleotides; Thymine Nucleotides; Tryptophan; Tyrosine; Ultraviolet Rays; Uracil Nucleotides | 1971 |
The structure of the acidic polypeptide chains from alpha-crystallin. Amino acid composition, peptide mapping, and N-terminus.
Topics: Acetates; Alkylation; Amino Acids; Animals; Cattle; Chromatography, Ion Exchange; Chromatography, Paper; Crystallins; Electrophoresis, Paper; Fluoroacetates; Iodoacetates; Molecular Weight; Peptides; Protein Conformation; Trypsin; Tryptophan; Tyrosine | 1971 |
Studies on the conformation of amino acids. V. Conformation of amino acids with delta-atoms.
Topics: Amino Acids; Chemical Phenomena; Chemistry, Physical; Histidine; Leucine; Models, Structural; Phenylalanine; Thermodynamics; Tryptophan; Tyrosine | 1971 |
The chymotrypsinogens and procarboxypeptidases of chick pancreas.
Topics: Acetates; Amylases; Animals; Benzoates; Carboxypeptidases; Chickens; Chromatography, DEAE-Cellulose; Chymotrypsin; Chymotrypsinogen; Endopeptidases; Enzyme Activation; Enzyme Precursors; Hippurates; Lactates; Leucine; Lipase; Methanol; Pancreas; Phenylalanine; Trypsin; Trypsinogen; Tryptophan; Tyrosine | 1971 |
Urinary organic acids found in B6-deficient rats and calcium oxalate calculus patients.
Topics: Acids; Amino Acids; Animals; Calcium; Chromatography, Paper; Citrates; Coenzyme A; Folic Acid Deficiency; Hippurates; Humans; Hydroxyproline; Ketoglutaric Acids; Kynurenic Acid; Male; Oxalates; Pyridoxine; Pyruvates; Rats; Tryptophan; Tyrosine; Urinary Calculi; Vitamin B 6 Deficiency; Xanthurenates | 1971 |
The effect of dietary fluoride on plasma free amino acid concentrations in the rat.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Diet; Feeding Behavior; Female; Fluorides; Glutamates; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proline; Rats; Rats, Inbred Strains; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1971 |
[Gel chromatography of tyrosine and tryptophan peptides on Sephadex G-10 and G-15].
Topics: Chromatography; Chromatography, Gel; Glycine; Methods; Peptides; Tryptophan; Tyrosine | 1971 |
Brain serotonin content: increase following ingestion of carbohydrate diet.
Topics: Animals; Blood Glucose; Body Weight; Brain Chemistry; Dietary Carbohydrates; Insulin; Male; Organ Size; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1971 |
Chelation of some bivalent metal ions by racemic and enantiomeric forms of tyrosine and tryptophan.
Topics: Cadmium; Chelating Agents; Chemical Phenomena; Chemistry; Copper; Drug Stability; Hydrogen-Ion Concentration; Kinetics; Lead; Mathematics; Nickel; Nitrates; Osmolar Concentration; Potentiometry; Stereoisomerism; Tryptophan; Tyrosine; Zinc | 1971 |
An immunoglobulin light chain of subgroup III-1 of lambda type with a free sulfhydryl group.
Topics: Amino Acid Sequence; Ammonium Sulfate; Bence Jones Protein; Chemical Precipitation; Chromatography, Gel; Cysteine; Dansyl Compounds; Dithiothreitol; Electrophoresis; Guanidines; Humans; Immunoglobulin G; Immunoglobulins; Iodine Isotopes; Iodoacetates; Methylation; Multiple Myeloma; Myeloma Proteins; Oxidation-Reduction; Peptides; Protein Denaturation; Sulfhydryl Compounds; Tryptophan; Tyrosine; Urea; Valine | 1971 |
A method for studying norepinephrine and serotonin metabolism in small regions of rat brain: effect of ovariectomy on amine metabolism in anterior and posterior hypothalamus.
Topics: Animals; Carbon Isotopes; Castration; Estradiol; Female; Hypothalamus; Injections; Kinetics; Norepinephrine; Ovary; Progesterone; Rats; Serotonin; Tryptophan; Tyrosine | 1971 |
[Histochemical studies of female genitalia during fetal development. IV. Protein histochemistry of the uterus].
Topics: Alloxan; Amino Acids; Arginine; Cervix Uteri; Cysteine; Cystine; Cytoplasm; Female; Fetus; Gestational Age; Histidine; Histocytochemistry; Humans; Hydroxylysine; Imidazoles; Lysine; Nitrobenzenes; Proteins; Schiff Bases; Sulfhydryl Compounds; Tetrazolium Salts; Tryptophan; Tyrosine; Uterus | 1971 |
Separation and characterization of -gliadin fractions.
Topics: Amino Acids; Chlorides; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis; Glutens; Hydrogen-Ion Concentration; Plant Proteins; Spectrophotometry; Sulfhydryl Compounds; Triticum; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Urea | 1971 |
A search for conformational change on ligand binding in a human M macroglobulin. I. Circular dichroism and hydrogen exchange.
Topics: Aminocaproates; Binding Sites; Circular Dichroism; Humans; Hydrogen; Immunoglobulins; Kinetics; Macroglobulins; Nitrophenols; Protein Conformation; Tritium; Trypsin; Tryptophan; Tyrosine | 1971 |
Electrical conductivity of some organic materials containing metals.
Topics: Cobalt; Copper; Cytochromes; Electric Conductivity; Electron Transport; Heme; Iron; Organometallic Compounds; Proteins; Tryptophan; Tyrosine | 1971 |
Organ-specific inhibition of human alkaline phosphatase isoenzymes of liver, bone, intestine and placenta; L-phenylalanine, L-tryptophan and L homoarginine.
Topics: Alkaline Phosphatase; Amino Acids; Bile Acids and Salts; Bone and Bones; Cysteine; Dihydroxyphenylalanine; Guanidines; Histidine; Humans; Intestines; Isoenzymes; Liver; Organ Specificity; Phenylalanine; Phosphoric Acids; Placenta; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Tyrosine | 1971 |
Changes in the exposure of the tyrosyl and tryptophyl residues in trypsin due to diisopropylphosphoryl and benzamidine inhibition.
Topics: Amidines; Benzene Derivatives; Binding Sites; Chemical Phenomena; Chemistry; Circular Dichroism; Dimethyl Sulfoxide; Glycerol; Glycols; Hydrogen-Ion Concentration; Isoflurophate; Mathematics; Protein Conformation; Spectrophotometry; Sucrose; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1971 |
Fluorescence of tyrosine and tryptophane either free or present in proteins. Specific fluorescence of some of their derivatives occurring in nerve cells.
Topics: Biogenic Amines; Fluorescence; Histocytochemistry; Humans; Hydrogen-Ion Concentration; Nerve Tissue Proteins; Neurons; Proteins; Tryptophan; Tyrosine | 1971 |
Relative standard deviations in determinations of amino acids.
Topics: Amino Acids; Analysis of Variance; Cysteine; Factor Analysis, Statistical; Methionine; Plant Proteins; Tryptophan; Tyrosine | 1971 |
Interaction in the cerebral metabolism of the biogenic amines: effect of intravenous infusion of L-tryptophan on tryptophan and tyrosine in brain and body fluids.
Topics: Animals; Biological Transport; Brain; Brain Chemistry; Dogs; Erythrocytes; Plasma; Tryptophan; Tyrosine | 1971 |
Effect of p-nitromethylamphetamine on biogenic amines and their amino-acid precursors in rat brain.
Topics: Amino Acids; Aminobutyrates; Animals; Behavior, Animal; Biogenic Amines; Brain; Brain Chemistry; Catecholamines; Dopamine; Drug Synergism; Female; Methamphetamine; Nitro Compounds; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyramine; Tyrosine | 1971 |
The effect of L-dopa on the concentrations of tryptophan, tyrosine and serotonin in rat brain.
Topics: Animals; Brain; Brain Chemistry; Depression, Chemical; Dihydroxyphenylalanine; Injections, Intraperitoneal; Male; Metabolism; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1971 |
Conformational studies on the tryptic digestion fragments of human immunoglobulin G.
Topics: Acetamides; Alkylation; Animals; Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Detergents; Electrophoresis; Goats; Guanidines; Humans; Hydrochloric Acid; Hydrogen-Ion Concentration; Immune Sera; Immunoelectrophoresis; Immunoglobulin G; Immunoglobulins; Iodoacetates; Mercaptoethanol; Multiple Myeloma; Oxidation-Reduction; Peptides; Phosphates; Protein Conformation; Protein Denaturation; Sodium; Sodium Chloride; Sodium Hydroxide; Spectrophotometry; Sulfuric Acids; Temperature; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Viscosity | 1971 |
Exposure of the tyrosyl and tryptophyl residues in trypsin and trypsinogen.
Topics: Animals; Arginine; Benzyl Compounds; Binding Sites; Calcium Chloride; Catalysis; Cattle; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Circular Dichroism; Dimethyl Sulfoxide; Formates; Glucose; Glycerol; Glycols; Hydrogen-Ion Concentration; Lysine; Mathematics; Nitrophenols; Optical Rotatory Dispersion; Protein Conformation; Protein Denaturation; Solvents; Spectrophotometry; Sucrose; Sulfonic Acids; Toluene; Trypsin; Trypsinogen; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1971 |
Nature of the alteration of the fluorescence spectrum of bovine serum albumin produced by the binding of dodecyl sulfate.
Topics: 1-Propanol; Acetates; Amides; Animals; Binding Sites; Cattle; Chemical Phenomena; Chemistry; Chromatography; Chromatography, Thin Layer; Detergents; Egg Yolk; Female; Fluorescence; Fluorometry; Hydrogen-Ion Concentration; Lysophosphatidylcholines; Protein Binding; Protein Conformation; Serum Albumin, Bovine; Spectrophotometry; Sulfuric Acids; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Enhancement of polyribosome formation and induction of tryptophan-rich proteins by gibberellic acid.
Topics: Amino Acids; Animals; Binding Sites; Carbon Isotopes; Centrifugation, Density Gradient; Edible Grain; Enzyme Activation; Gibberellins; Liver; Peptide Biosynthesis; Peptide Chain Initiation, Translational; Plant Proteins; Protein Binding; Puromycin; Rats; Ribonucleases; Ribosomes; RNA, Ribosomal; Tritium; Tryptophan; Tyrosine | 1971 |
[Effect of modifying tyrosine and tyrptophan residues on some properties of the lactosomatropic and lactogenic hormones].
Topics: Animals; Cattle; Gonadotropins, Pituitary; Nitro Compounds; Prolactin; Tryptophan; Tyrosine | 1971 |
Differences between bovine and human serum albumins: binding isotherms, optical rotatory dispersion, viscosity, hydrogen ion titration, and fluorescence effects.
Topics: Animals; Binding Sites; Cattle; Detergents; Energy Transfer; Fatty Acids; Fatty Alcohols; Humans; Hydrogen-Ion Concentration; Optical Rotatory Dispersion; Potentiometry; Protein Binding; Protein Conformation; Serum Albumin; Serum Albumin, Bovine; Sodium Dodecyl Sulfate; Species Specificity; Spectrometry, Fluorescence; Spectrophotometry; Sulfonic Acids; Thermodynamics; Tryptophan; Tyrosine; Ultraviolet Rays; Viscosity | 1971 |
Studies on soybean trypsin inhibitors. II. Accidentally modified Kunitz soybean trypsin inhibitor.
Topics: Amino Acid Sequence; Amino Acids; Autoanalysis; Chemical Phenomena; Chemistry; Chromatography, Gel; Glycine max; Methionine; Oxidation-Reduction; Spectrum Analysis; Trypsin Inhibitors; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Fluorescence studies of the interaction of nucleotides with the active site of the nuclease of Staphylococcus aureus.
Topics: Amines; Binding Sites; Chemical Phenomena; Chemistry; Deoxyribonucleases; Dioxins; Ethanol; Fluorescence; Fluorometry; Hydrogen-Ion Concentration; Naphthalenes; Nucleotides; Ribonucleases; Spectrum Analysis; Staphylococcus; Sulfonic Acids; Tryptophan; Tyrosine | 1967 |
The influence of short-range interactions on protein conformation. I. Side chain-backbone interactions within a single peptide unit.
Topics: Alanine; Amino Acid Sequence; Arginine; Asparagine; Aspartic Acid; Binding Sites; Cystine; Glutamates; Glutamine; Glycine; Histidine; Isoleucine; Kinetics; Leucine; Lysine; Methionine; Muramidase; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1968 |
The growth-stimulating activity of peptides on human hematopoietic cell cultures.
Topics: Alanine; Amino Acids; Cell Division; Cell Line; Culture Media; Culture Techniques; Dipeptides; Growth Substances; Hematopoiesis; Humans; Kinetics; Leukemia, Myeloid, Acute; Lymphocyte Activation; Lymphocytes; Peptides; Phenylalanine; Tryptophan; Tyrosine; Valine | 1969 |
The role of vitamin B6 in the toxicity of hydrazines.
Topics: Amino Acids; Animals; Brain Chemistry; Calcium; Hydrazines; Injections; Injections, Intraperitoneal; Potassium; Pyridoxal Phosphate; Pyridoxine; Rats; Seizures; Sodium; Tryptophan; Tyrosine | 1969 |
Effect of vitamin B 6 on blood 5-hydroxytryptamine concentration.
Topics: Animals; Animals, Newborn; Birth Weight; Body Weight; Brain; Carboxy-Lyases; Desoxycorticosterone; Diet; Female; Fetus; Humans; In Vitro Techniques; Indoleacetic Acids; Infant; Infant, Newborn; Kidney; Liver; Phenylalanine; Phenylketonurias; Postpartum Period; Pregnancy; Pyridoxine; Rats; Serotonin; Tryptophan; Tyrosine; Umbilical Cord; Vitamin B 6 Deficiency | 1969 |
Chemical and structural differences between antibodies capable of binding a particular hapten group: evidence for limited heterogeneity.
Topics: Amino Acids; Animals; Antibodies; Antigen-Antibody Reactions; Antigens; Azo Compounds; Binding Sites; Electrophoresis, Disc; Guanidines; Haptens; Immunochemistry; Quaternary Ammonium Compounds; Rabbits; Tryptophan; Tyrosine | 1970 |
Isoaccepting transfer RNA's of L-M cells in culture and after tumor induction in C3H mice.
Topics: Alanine; Animals; Arginine; Aspartic Acid; Cell Line; Chromatography; Connective Tissue; Culture Media; Culture Techniques; Female; Fibrosarcoma; Glycine; Histidine; Isoleucine; Leucine; Ligases; Lysine; Male; Methionine; Mice; Phenylalanine; Proline; RNA, Transfer; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1969 |
Energy transfer in rhodopsin, N-retinyl-opsin, and rod outer segments.
Topics: Energy Transfer; Fluorescence; Photoreceptor Cells; Proteins; Retinal Pigments; Spectrophotometry; Spectrum Analysis; Tryptophan; Tyrosine | 1971 |
Effects of castration and replacement therapy on major salivary glands of male wistar rats.
Topics: Animals; Castration; Histocytochemistry; Hypophysectomy; Male; Parotid Gland; Rats; RNA; Salivary Glands; Schiff Bases; Staining and Labeling; Sublingual Gland; Submandibular Gland; Testis; Testosterone; Thyroxine; Tolonium Chloride; Triiodothyronine; Tryptophan; Tyrosine | 1971 |
Energy transfer in relation to water-content in solid proteins.
Topics: Animals; DNA; Energy Transfer; Fluorescence; In Vitro Techniques; Macromolecular Substances; Proteins; Radiation Protection; Radiobiology; Serum Albumin, Bovine; Spectrophotometry; Sulfonamides; Tryptophan; Tyrosine; Water | 1965 |
Effect of analogs of phenylalanine and tryptophan on kinetics of DOPA decarboxylase in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Hydrogen-Ion Concentration; Kinetics; Male; Methyldopa; Phenylalanine; Pyridoxal Phosphate; Rats; Tryptophan; Tyrosine | 1966 |
[Autoradiographic study of the basal clear cell in the gastric gland].
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Chromium; Dihydroxyphenylalanine; Gastric Mucosa; Histocytochemistry; Injections, Intraperitoneal; Injections, Subcutaneous; Male; Methyldopa; Mice; Rats; Reserpine; Serotonin; Silver; Tryptophan; Tyrosine | 1967 |
Urinary exeretion of phenolic and indolic compounds, metacatecholamines, and VMA by full-term and premature infants.
Topics: 5-Hydroxytryptophan; Benzoates; Catecholamines; Cinnamates; Creatinine; Humans; Indoleacetic Acids; Infant, Newborn; Infant, Premature; Kynurenine; Lactates; Mandelic Acids; Phenylacetates; Phenylalanine; Phenylpyruvic Acids; Phthalic Acids; Propionates; Tryptophan; Tyrosine | 1968 |
[The localization of biogenic amines in the autonomic nervous system (electron microscopic study in conjunction with autoradiography)].
Topics: 5-Hydroxytryptophan; Amines; Animals; Autonomic Nervous System; Autoradiography; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ganglia, Autonomic; Genitalia, Male; Histamine; Histidine; Histocytochemistry; Intestine, Small; Male; Methods; Microscopy, Electron; Neurons; Norepinephrine; Pineal Gland; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1968 |
Activity of aromatic aminotransferases in rat brain.
Topics: 5-Hydroxytryptophan; Age Factors; Amino Acids; Animals; Brain; Dihydroxyphenylalanine; Fetus; Histidine; Humans; Infant, Newborn; Methods; Phenylalanine; Rats; Transaminases; Tryptophan; Tyrosine | 1968 |
Chemistry of gonadotrophins in relation to their antigenic properties.
Topics: Amino Acids; Antigens; Chorionic Gonadotropin; Complement Fixation Tests; Cysteine; Follicle Stimulating Hormone; Gonadotropins; Histidine; Humans; Immune Sera; Luteinizing Hormone; Methionine; Neuraminic Acids; Prolactin; Radioimmunoassay; Tryptophan; Tyrosine | 1969 |
X- and gamma-radiolysis of some tryptophan dipeptides.
Topics: Alanine; Chromatography, Thin Layer; Glycine; Leucine; Models, Chemical; Peptides; Phenylalanine; Radiation Effects; Tryptophan; Tyrosine | 1970 |
Histochemistry of corneal granular dystrophy.
Topics: Adult; Aged; Amyloid; Arginine; Cornea; Corneal Dystrophies, Hereditary; Epithelium; Eye Proteins; Female; Fibroblasts; Histocytochemistry; Humans; Male; Microscopy, Electron; Middle Aged; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1969 |
DL-[2-14C]p-chlorophenylalanine as an inhibitor of tryptophan 5-hydroxylase.
Topics: 5-Hydroxytryptophan; Animals; Brain; Carbon Isotopes; Centrifugation, Density Gradient; Chromatography, Paper; Dialysis; In Vitro Techniques; Liver; Male; Mixed Function Oxygenases; Phenylalanine; Pyruvates; Rats; Spectrophotometry; Tryptophan; Tyrosine | 1970 |
Acid catalysis of the formaldehyde condensation reaction for a sensitive histochemical demonstration of tryptamines and 3-methoxylated phenylethylamines. 2. Characterization of amine fluorophores and application to tissues.
Topics: 5-Hydroxytryptophan; Animals; Catecholamines; Dopamine; Epinephrine; Female; Fluorescence; Formaldehyde; Freeze Drying; Histamine; Histocytochemistry; Hydrochloric Acid; Male; Melatonin; Mescaline; Methods; Microscopy, Fluorescence; Norepinephrine; Normetanephrine; Pancreas; Phenethylamines; Rats; Serotonin; Spectrophotometry; Submandibular Gland; Tryptamines; Tryptophan; Tyramine; Tyrosine | 1971 |
Alpha-keto analogues of amino acids as inhibitors of alpha-chymotrypsin, carboxypeptidase A, and pepsin.
Topics: Caproates; Carboxypeptidases; Chymotrypsin; Enzymes; Indoleacetic Acids; Indoles; Keto Acids; Ketoglutaric Acids; Kinetics; Lactates; Pepsin A; Phenylalanine; Phenylpyruvic Acids; Propionates; Pyruvates; Tryptophan; Tyrosine | 1965 |
Control of aromatic biosynthesis: the multiplicity of 7-phospho-2-oxo-3-deoxy-D-arabino-heptonate D-erythrose-4-phosphate-lyase (pyruvate-phosphorylating) in Escherichia coli W.
Topics: Aldehyde-Lyases; Amino Acids; Chemistry Techniques, Analytical; Enzyme Repression; Enzymes; Escherichia coli; In Vitro Techniques; Isoenzymes; Phenylalanine; Shikimic Acid; Tryptophan; Tyrosine | 1965 |
Control of three isoenzymic 7-phospho-2-oxo-3-deoxy-Darabino-heptonate-D-erythrose-4-phosphate lyases of Escherichia coli W and derived mutants by repressive and "inductive" effects of the aromatic amino acids.
Topics: Aldehyde-Lyases; Enzyme Induction; Enzyme Repression; Escherichia coli; Isoenzymes; Molecular Biology; Mutation; Phenylalanine; Shikimic Acid; Tryptophan; Tyrosine | 1966 |
Genetic and biochemical analysis of the isoenzymes concerned in the first reaction of aromatic biosynthesis in Escherichia coli.
Topics: Amino Acids; Chromatography; Chromosome Mapping; Enzyme Repression; Escherichia coli; Isoenzymes; Ligases; Mutation; Phenylalanine; Tryptophan; Tyrosine | 1967 |
Beta-pyrrolo-L-alanine, a new antimetabolite of phenylalanine and tyrosine in Escherichia coli.
Topics: Alanine; Antimetabolites; Chemistry, Organic; Escherichia coli; Organic Chemistry Phenomena; Phenylalanine; Pyrroles; Tryptophan; Tyrosine | 1966 |
Studies on the specificity of pepsin.
Topics: Amino Acid Sequence; Animals; Chemical Phenomena; Chemistry; Chemistry, Organic; Enzymes; Ethers; Histidine; Kinetics; Leucine; Organic Chemistry Phenomena; Pepsin A; Peptides; Phenylalanine; Spectrophotometry; Swine; Tryptophan; Tyrosine | 1967 |
Genetic analysis of aromatic mutants of Salmonella typhimurium.
Topics: Amino Acids; Chromosome Mapping; Culture Media; Genes; Genetics; Mutation; Phenylalanine; Salmonella Phages; Salmonella typhimurium; Tryptophan; Tyrosine | 1967 |
Electronic properties of N-heteroaromatics. XXXVI. Interaction of the carcinogenic 4-nitroquinoline 1-oxide with proteins and aromatic amino acids.
Topics: Albumins; Amino Acids; Carcinogens; Dialysis; Histidine; Phenylalanine; Protein Denaturation; Proteins; Quinolines; Ribonucleases; Spectrum Analysis; Tryptophan; Tyrosine | 1969 |
Intramolecular singlet excitation transfer. Applications to polypeptides.
Topics: Chymotrypsin; Energy Transfer; Enzyme Precursors; Fluorometry; Glycols; Hot Temperature; Mathematics; Peptides; Ribonucleases; Solvents; Spectrophotometry; Tryptophan; Tyrosine; Water | 1969 |
Quantitative chromatography of aromatic amino acids on Sephadex G-10.
Topics: Amino Acids; Caseins; Chromatography, Gel; Methods; Peptides; Phenylalanine; Protein Hydrolysates; Proteins; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1969 |
Tyrosine, histidineand tryptophan residues in TPCK-modifiechymotrypsin.
Topics: Azoles; Biochemical Phenomena; Biochemistry; Chymotrypsin; Histidine; Hydrogen Peroxide; Tryptophan; Tyrosine | 1969 |
Resonance transfer of excitation energy between aromatic amino acids and carcinogenic aromatic compounds as a possible mechanism in carcinogenesis.
Topics: Amino Acids; Carcinogens; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1969 |
Electrochemical studies on the adsorption of amino acids in relation to the compatibility of prosthetic materials and the human body.
Topics: Adsorption; Alanine; Amino Acids; Arginine; Computers; Electrochemistry; Histidine; Hydroxyproline; Lysine; Phenylalanine; Proline; Prostheses and Implants; Surface Tension; Tryptophan; Tyrosine | 1969 |
Effect of cholesteryl 14-methylhexadecanoate on the activity of some amino acid-transfer ribonucleic acid ligases from mammalian tissues.
Topics: Alanine; Animals; Carbon Isotopes; Ligases; Liver; Pancreas; Rats; RNA, Transfer; Sterols; Threonine; Tritium; Tryptophan; Tyrosine | 1969 |
Macromolecule--small molecule interactions. Strong binding and cooperativity in a model synthetic polymer.
Topics: Binding Sites; Chemical Phenomena; Chemistry; Coloring Agents; Fatty Acids; Imines; Lactoglobulins; Macromolecular Substances; Polyethylenes; Polymers; Serum Albumin; Solubility; Spectrum Analysis; Tryptophan; Tyrosine; Urea | 1969 |
Studies of the properties of tryptophan and tyrosine side chains in tobacco mosaic virus and tobacco mosaic virus protein.
Topics: Chemical Phenomena; Chemistry; Chemistry Techniques, Analytical; Esters; Glycols; Hydrogen-Ion Concentration; Indoles; Light; Microscopy, Electron; Osmolar Concentration; Peptides; Pyrrolidinones; Spectrophotometry; Tobacco Mosaic Virus; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Viral Proteins | 1969 |
Inactivation of subtilism BPN' by N-bromosuccinimide.
Topics: Amino Acids; Bromine; Electrophoresis; Endopeptidases; Enzyme Activation; Methionine; Oxidation-Reduction; Pyrrolidinones; Spectrophotometry; Succinates; Tryptophan; Tyrosine | 1969 |
The nature of amino-acid chloranil complexes.
Topics: Amino Acids; Chemical Phenomena; Chemistry, Physical; Glutamates; Glycine; Hydrogen-Ion Concentration; Infrared Rays; Quinones; Serine; Spectrophotometry; Tryptophan; Tyrosine; Valine | 1969 |
Regulation of chemoautotrophic metabolism. I. Toxicity of phenylalanine to thiobacilli.
Topics: Amino Acids; Bacterial Proteins; Biological Assay; Carbon Dioxide; Carbon Isotopes; Chromatography, Paper; Depression, Chemical; ortho-Aminobenzoates; Phenylalanine; Phenylpyruvic Acids; Shikimic Acid; Stimulation, Chemical; Thiobacillus; Tryptophan; Tyrosine | 1969 |
Regulation of chemoautotrophic metabolism. 3. DAHP synthetase in Thiobacillus neapolitanus.
Topics: Aldehyde-Lyases; Amino Acids; Bacterial Proteins; Depression, Chemical; Dialysis; Fluorides; Histidine; Hydrogen-Ion Concentration; Phenylalanine; Spectrophotometry; Thiobacillus; Tryptophan; Tyrosine | 1969 |
Transaminase activity in sheep rumen content.
Topics: Alanine; Alanine Transaminase; Animals; Arginine; Aspartic Acid; Cysteine; Eukaryota; Glutamates; Hydrogen-Ion Concentration; Isoleucine; Leucine; Methionine; Phenylalanine; Rumen; Serine; Sheep; Temperature; Threonine; Tryptophan; Tyrosine; Valine | 1969 |
A study of biochemical correlates of the affective constitution among Edinburgh business executives.
Topics: Adult; Affective Symptoms; Aged; Drive; Humans; Leadership; Male; Middle Aged; Personality; Personality Inventory; Personnel Management; Potassium; Serotonin; Sodium; Tryptophan; Tyrosine; Uric Acid | 1969 |
Morphological and histochemical studies on fibrillopathia epitheliocapsularis.
Topics: Aged; Amylases; Arginine; Cataract; Cysteine; Cystine; Endopeptidases; Epithelium; Eye Diseases; Histocytochemistry; Humans; Hyaluronoglucosaminidase; In Vitro Techniques; Lens, Crystalline; Microscopy, Electron; Middle Aged; Ribonucleases; Time Factors; Tryptophan; Tyrosine | 1969 |
Studies on human somatotropin. Preparation and some physico-chemical properties.
Topics: Amino Acid Sequence; Amino Acids; Ammonium Sulfate; Animals; Biological Assay; Body Weight; Carboxypeptidases; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography, Gel; Chromatography, Paper; Disulfides; Electrophoresis; Electrophoresis, Disc; Female; Fluorine; Formates; Freeze Drying; Growth Hormone; Humans; Hydrogen-Ion Concentration; Hypophysectomy; Isoflurophate; Macromolecular Substances; Molecular Weight; Nitrobenzenes; Oxidation-Reduction; Polarography; Polymers; Rats; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
Dye-sensitized selective photo-oxidation of cysteine.
Topics: Acetates; Amino Acids; Chromatography, Gel; Chromatography, Paper; Chromatography, Thin Layer; Coloring Agents; Cresols; Cysteine; Cystine; Egg White; Gentian Violet; Glutathione; Guanidines; Histidine; Hydrochloric Acid; Hydrogen-Ion Concentration; Kinetics; Light; Mercaptoethanol; Methionine; Muramidase; Optical Rotation; Oxidation-Reduction; Peptides; Radiation Effects; Spectrophotometry; Structure-Activity Relationship; Sulfonic Acids; Tryptophan; Tyrosine; Ultraviolet Rays | 1969 |
Inhibitors of chemical carcinogens as probes for molecular targets: DNA as decisive receptor for metabolite from N-hydroxy-N-2-fluorenylacetamide.
Topics: Acetamides; Acetanilides; Animals; Carbon Isotopes; Cell Transformation, Neoplastic; Chloramphenicol; DNA; Drug Antagonism; Fluorenes; Guanine; Hydroxamic Acids; Indoles; Inosine; Liver; Male; Methionine; Proteins; Rats; Rats, Inbred Strains; RNA, Ribosomal; Stimulation, Chemical; Subcellular Fractions; Toluidines; Tryptophan; Tyrosine | 1969 |
Fluorescence and protein structure. XVII. On the mechanism of peptide quenching.
Topics: Amino Acid Sequence; Chemical Phenomena; Chemistry, Physical; Fluorescence; Fluorometry; Hydrogen-Ion Concentration; Methyltyrosines; Peptides; Tryptophan; Tyrosine | 1970 |
The demonstration of tryptophan, tyrosine and carbohydrate-containing proteins in disc electrophoresis gels.
Topics: Blood Protein Electrophoresis; Electrophoresis, Disc; Gels; Glycoproteins; Histocytochemistry; Humans; Tryptophan; Tyrosine | 1970 |
Luminescence of the tryptophan and tyrosine residues of papain in solution.
Topics: Cold Temperature; Cysteine; Deuterium; Fluorescence; Glucose; Glycols; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Papain; Tryptophan; Tyrosine | 1970 |
Alterations of individual free amino acids in brain during acute hepatic coma.
Topics: Amino Acids; Animals; Brain Chemistry; Cerebral Cortex; Disease Models, Animal; Dogs; Hepatic Encephalopathy; Histidine; Liver; Models, Biological; Nitrogen; Phenylalanine; Tryptophan; Tyrosine; Water | 1970 |
Topography of the active site of staphylococcal nuclease. Affinity labeling with diazonium substrate analogues.
Topics: Amino Acid Sequence; Amino Acids; Binding Sites; Calcium; Chemical Phenomena; Chemistry; Chromatography, Paper; Deoxyribonucleases; Diazonium Compounds; Histidine; Hydrogen-Ion Concentration; Nucleotides; Peptides; Ribonucleases; Spectrophotometry; Staphylococcus; Time Factors; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Flavinyl peptides. 3. Studies of intramolecular interactions in flavinyl aromatic amino acids by proton magnetic resonance.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Deuterium; Dimethyl Sulfoxide; Esters; Flavins; Magnetic Resonance Spectroscopy; Models, Structural; Peptides; Phenylalanine; Temperature; Tryptophan; Tyrosine | 1970 |
Isoenzymes and allosteric inhibition of Neurospora crassa 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase.
Topics: Aldehyde-Lyases; Binding Sites; Buffers; Carbohydrates; Chromatography, Gel; Isoenzymes; Maleates; Mutation; Neurospora; Phenylalanine; Phosphates; Pyruvates; Species Specificity; Tromethamine; Tryptophan; Tyrosine | 1970 |
An investigation of the subunit structure of yeast enolase.
Topics: Alanine; Amino Acid Sequence; Arginine; Chromatography; Cyanides; Electrophoresis, Disc; Glycerophosphates; Glycine; Histidine; Hydro-Lyases; Peptides; Spectrum Analysis; Trypsin; Tryptophan; Tyrosine; Urea; Yeasts | 1970 |
Polyacrylamide adsorption chromatography of purines and related compounds.
Topics: Acrylic Resins; Adsorption; Allopurinol; Amino Acids; Chromatography; Chromatography, Gel; Hydrogen-Ion Concentration; Hypoxanthines; Purinones; Tryptophan; Tyrosine; Xanthines | 1970 |
The rotational isomerism of the aromatic amino acids by nuclear magnetic resonance.
Topics: Chemical Phenomena; Chemistry; Histidine; Magnetic Resonance Spectroscopy; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine | 1970 |
Synthesis and release of serotonin in the median eminence of the rat.
Topics: Animals; Chromatography, Ion Exchange; Female; Hypothalamus; In Vitro Techniques; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1970 |
L-tryptophan antagonism of epinephrine-induced hyperglycemia in rats.
Topics: Animals; Blood Glucose; Epinephrine; Female; Histidine; Hyperglycemia; Phenylalanine; Rats; Time Factors; Tryptophan; Tyrosine | 1970 |
Regulation of aromatic amino acid biosynthesis in phenazine-producing strains of Pseudomonas.
Topics: Amino Acids; Isomerases; Phenazines; Phenylalanine; Pseudomonas; Species Specificity; Stereoisomerism; Tryptophan; Tyrosine | 1970 |
Purity of amino acids.
Topics: Amino Acids; Arginine; Biological Assay; Cysteine; Histidine; Lysine; Methionine; Pediococcus; Streptococcus; Threonine; Tryptophan; Tyrosine | 1970 |
Kinetics and mechanism of oxidation-reduction reactions between pyridine nucleotides and flavins.
Topics: Alanine; Amino Acids; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; Flavins; Hot Temperature; Hydrocarbons; Kinetics; Nucleotides; Oxidation-Reduction; Peptides; Phenylalanine; Pyridines; Tryptophan; Tyrosine | 1970 |
Influences of pH and substrate analogs on ribonuclease T1 fluorescence.
Topics: Adenine Nucleotides; Binding Sites; Chemical Phenomena; Chemistry; Cytosine Nucleotides; Fluorescence; Fluorometry; Guanine Nucleotides; Hydrogen-Ion Concentration; Protein Binding; Ribonucleases; Tryptophan; Tyrosine | 1970 |
Effect of selective inhibitors of tyrosine and tryptophan hydroxylases on self-stimulation in the rat.
Topics: Animals; Electric Stimulation; Hypothalamus; Male; Methyltyrosines; Mixed Function Oxygenases; Phenylalanine; Rats; Reserpine; Self Stimulation; Tryptophan; Tyrosine | 1970 |
Molecular weight and amino acid composition of five-times-crystallized phosphoglucose isomerase from rabbit skeletal muscle.
Topics: Amides; Amino Acids; Animals; Barium; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Crystallization; Cysteine; Diffusion; Glucose-6-Phosphate Isomerase; Hydrochloric Acid; Hydroxides; Molecular Weight; Muscles; Nitrogen; Oxygen; Rabbits; Serine; Threonine; Tryptophan; Tyrosine; Ultracentrifugation; Viscosity | 1970 |
Effects of denaturing agents on the phenylalanyl circular dichroism bands of horseradish peroxidase isoenzymes and apoisoenzymes.
Topics: Amides; Detergents; Guanidines; Hydrogen-Ion Concentration; Isoenzymes; Peroxidases; Phenylalanine; Plants; Protein Denaturation; Spectrum Analysis; Sulfides; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Biological molecules in their excited states.
Topics: Adenine Nucleotides; Antibodies; Coloring Agents; Detergents; DNA; Energy Transfer; Fluorescence; Guanine Nucleotides; Molecular Biology; Naphthalenes; New York; Optical Rotatory Dispersion; Peptides; Polynucleotides; Proteins; Pyrimidines; Retinal Pigments; RNA, Transfer; Spectrum Analysis; Thymine; Tryptophan; Tyrosine | 1970 |
Phenylalanine uptake and phenylalanine-binding material in Comamonas sp. (ATCC 11299a).
Topics: Asparagine; Bacteria; Biological Transport; Carbon Isotopes; Depression, Chemical; Dialysis; Dinitrophenols; Enzyme Induction; Ethylmaleimide; Filtration; Kinetics; Malonates; Osmolar Concentration; Phenylalanine; Protein Biosynthesis; Tryptophan; Tyrosine | 1970 |
Alternative allosteric effects exerted by end products upon a two-substrate enzyme in Rhodomicrobium vannielii.
Topics: Aldehyde-Lyases; Bacteria; Chemical Phenomena; Chemistry; Enzyme Activation; Heptoses; Kinetics; Phenylalanine; Phosphoric Acids; Pyruvates; Tetroses; Tryptophan; Tyrosine | 1970 |
Fluorescence studies on ribonuclease T-1.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Detergents; Dioxins; Fluorescence; Hydrogen-Ion Concentration; Nucleotidyltransferases; Protein Denaturation; Tryptophan; Tyrosine; Urea | 1970 |
[Chorismate mutase from Claviceps. I. Properties of chorismate mutase from different strains of Claviceps].
Topics: Ascomycota; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cyclohexanecarboxylic Acids; Electrophoresis; Enzyme Activation; Hydrogen-Ion Concentration; Isomerases; Kinetics; Molecular Weight; Phenylalanine; Phosphotransferases; Stereoisomerism; Tryptophan; Tyrosine | 1970 |
[Tryptophan-tRNA synthetase from beef pancreas. Characteristics of its intrinsic and extrinsic chromophores in relation to the conformation of the enzyme and its active site].
Topics: Amino Acids; Animals; Binding Sites; Cattle; Chemical Phenomena; Chemistry; Coloring Agents; Fluorometry; Glycerol; Glycols; Ligases; Methods; Pancreas; Spectrophotometry; Tryptamines; Tryptophan; Tyrosine; Urea | 1970 |
From the Clinical Conference St. Louis Children's Hospital. Phenylketonuria. Diagnostic and therapeutic dilemma.
Topics: Amino Acid Metabolism, Inborn Errors; Child, Preschool; Diet Therapy; Female; Humans; Infant; Intellectual Disability; Phenylalanine; Phenylketonurias; Transaminases; Tryptophan; Tyrosine | 1970 |
[Physical basis of microscopic photometry].
Topics: DNA; Histocytochemistry; Optics and Photonics; Photometry; RNA; Tryptophan; Tyrosine | 1970 |
[Chorismate mutase from Claviceps. II. Activation and inhibition by analogues of the effectors tryptophan, phenylalanine and tyrosine].
Topics: Ascomycota; Chemical Phenomena; Chemistry; Chromatography, DEAE-Cellulose; Cyclohexanecarboxylic Acids; Cysteine; Enzyme Activation; Histidine; Kinetics; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1970 |
Spectroscopic studies on the configurational structures of ribonuclease T 1.
Topics: Chemical Phenomena; Chemistry; Fluorometry; Hot Temperature; Optical Rotatory Dispersion; Protein Denaturation; Ribonucleases; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Studies on the photooxidation of Ribonuclease T1.
Topics: Amino Acids; Binding Sites; Chromatography, Gel; Fluorescence; Hydrogen-Ion Concentration; Light; Nucleotides; Oxidation-Reduction; Ribonucleases; Tryptophan; Tyrosine | 1970 |
The mechanism of tissue norepinephrine depletion by alpha, alpha'-dipyridyl.
Topics: Adrenal Glands; Animals; Blood Pressure; Body Temperature; Brain; Brain Chemistry; Catecholamines; Dopamine; Male; Mixed Function Oxygenases; Myocardium; Norepinephrine; Pyridines; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1970 |
Release of norepinephrine in the central nervous system by theophylline and caffeine.
Topics: Animals; Brain; Brain Chemistry; Brain Stem; Caffeine; Carbon Isotopes; Cerebral Cortex; Female; Guinea Pigs; Male; Norepinephrine; Rats; Tritium; Tryptophan; Tyrosine | 1970 |
Methionine toxicity and ornithine delta-aminotransferase in Chang's liver cells.
Topics: Arginine; Carbon Isotopes; Cell Division; Cell Line; Glycine; Histidine; Homocysteine; Humans; Kidney; Leucine; Liver; Methionine; Ornithine; Proteins; Serine; Stimulation, Chemical; Transaminases; Tryptophan; Tyrosine | 1970 |
Replacement of all tryptophan residues in T4 bacteriophage lysozyme by tyrosine residues.
Topics: Amino Acid Sequence; Antibodies; Chromatography; Coliphages; Genetic Code; Muramidase; Mutation; Spectrophotometry; Tryptophan; Tyrosine | 1970 |
X- and gamma-irradiation of dilute solutions of chymotrypsin in atmospheres of air and nitrogen: effects on activity towards various substrates.
Topics: Air; Chymotrypsin; Esters; Mathematics; Nitrogen; Radiation Effects; Spectrum Analysis; Tryptophan; Tyrosine | 1970 |
Ultraviolet difference spectra in human hemoglobin. I. Difference spectra in hemoglobin A and their relation to the function of hemoglobin.
Topics: Amino Acid Sequence; Animals; Blood; Carbon Monoxide; Chemical Phenomena; Chemistry; Cyanides; Ferricyanides; Fetal Hemoglobin; Hemoglobins; Histidine; Humans; Hydrogen-Ion Concentration; Molecular Weight; Oxygen; Peptides; Potassium Chloride; Species Specificity; Spectrophotometry; Swine; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays; Umbilical Cord | 1970 |
[Effect of temperature on the structure of fibrinogen].
Topics: Animals; Cattle; Chemical Phenomena; Chemistry; Chemistry Techniques, Analytical; Fibrinogen; Light; Molecular Weight; Rotation; Spectrophotometry; Temperature; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1970 |
Amino acid interactions in chick nutrition. 3. Interdependence in amino acid requirements.
Topics: Amino Acids; Animal Nutritional Physiological Phenomena; Animals; Arginine; Chickens; Glycine; Isoleucine; Leucine; Lysine; Methionine; Nutritional Requirements; Phenylalanine; Threonine; Tryptophan; Tyrosine; Valine | 1970 |
Separation of contributions of tryptophans and tyrosines to the ultraviolet circular dichroism spectrum of hen egg-white lysozyme.
Topics: Animals; Binding Sites; Chemical Phenomena; Chemistry; Chickens; Circular Dichroism; Glucosamine; Iodine; Models, Structural; Muramidase; Oligosaccharides; Ovalbumin; Oxidation-Reduction; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Selective reaction of tyrosyl side chains with iodine in D-glyceraldehyde 3-phosphate dehydrogenase. 1. Study of the differential formation of monoiodo and diiodo derivatives.
Topics: Animals; Autoradiography; Chemical Phenomena; Chemistry; Diiodotyrosine; Glyceraldehyde-3-Phosphate Dehydrogenases; Iodine; Iodine Isotopes; Monoiodotyrosine; Muscles; Optical Rotatory Dispersion; Peptides; Protein Denaturation; Solvents; Spectrophotometry; Spectrum Analysis; Swine; Time Factors; Trypsin; Tryptophan; Tyrosine; Urea; Viscosity | 1970 |
Chorismate mutase from Euglena gracilis. Purification and regulatory properties.
Topics: Acids; Benzene Derivatives; Chromatography; Cyclohexanecarboxylic Acids; Electrophoresis; Enzyme Activation; Euglena; Hydrogen-Ion Concentration; Isomerases; Molecular Weight; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1970 |
Effect of epinephrine and its precursors on activity of proteolytic enzymes.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Enzyme Activation; Epinephrine; Liver; Muscles; Peptide Hydrolases; Phenylalanine; Threonine; Tryptophan; Tyrosine | 1970 |
The middle ultraviolet spectra of proteins. I. Studies on model compounds.
Topics: Amino Acids; Benzene; Cresols; Cysteine; Histidine; Hydrogen-Ion Concentration; Imidazoles; Indoles; Methionine; Phenols; Phenylalanine; Proteins; Spectrophotometry; Spectrum Analysis; Toluene; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Response of adult rats to low dietary levels of essential amino acids.
Topics: Amino Acids; Animals; Body Weight; Cystine; Deficiency Diseases; Diet; Dietary Proteins; Female; Growth; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Rats; Threonine; Tryptophan; Tyrosine; Valine | 1970 |
Nuclear magnetic resonance studies of the structure and binding sites of enzymes. XIV. Inhibitor binding to staphylococcal nuclease.
Topics: Binding Sites; Calcium; Deoxyribonucleases; Histidine; Magnetic Resonance Spectroscopy; Nucleotides; Staphylococcus; Tryptophan; Tyrosine | 1970 |
[Properties of Chorismate-mutase from Saccharomyces cerexisiae S 288 C].
Topics: Chromatography, DEAE-Cellulose; Clinical Enzyme Tests; Cyclohexanecarboxylic Acids; Electrophoresis; Enzyme Activation; Isomerases; Molecular Weight; Phosphotransferases; Saccharomyces; Temperature; Tryptophan; Tyrosine | 1970 |
Fluorescent substances in protein hydrolyzates. I. Acid "hydrolyzates" of individual amino acids.
Topics: Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Paper; Fluorescence; Fluorometry; Histidine; Hydrochloric Acid; Hydrogen-Ion Concentration; Phenylalanine; Protein Hydrolysates; Tryptophan; Tyrosine | 1970 |
The tryptophan microenvironments in apomyoglobin.
Topics: Acrylates; Animals; Cetacea; Chemical Phenomena; Chemistry; Electrophoresis; Fluorescence; Gels; Histidine; Hydrogen-Ion Concentration; Male; Myoglobin; Spectrophotometry; Tryptophan; Tyrosine | 1970 |
Chemical characterization of tetanus toxin and toxoid. Amino acid composition, number of SH and S-S groups and N-terminal amino acid.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Culture Media; Dinitrophenols; Formaldehyde; Sulfhydryl Compounds; Sulfides; Tetanus Toxin; Tetanus Toxoid; Tryptophan; Tyrosine | 1970 |
Evidence for the importance of tryptophan residues in the antibody-antigen reactions of anti-DNP and anti-poly Glu56Lys38Tyr6 antibodies.
Topics: Animals; Antibodies; Antigen-Antibody Reactions; Binding Sites; Cattle; Dinitrophenols; Fluorescence; Glutamates; Haptens; Hydrogen Peroxide; Lysine; Nitrobenzenes; Oxidation-Reduction; Rabbits; Tryptophan; Tyrosine | 1970 |
Circular dichroism spectra of alpha-lactalbumin.
Topics: Albumins; Chemical Phenomena; Chemistry; Circular Dichroism; Cystine; Hydrogen-Ion Concentration; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Selective reaction of tyrosyl side chains with iodine in glyceraldehyde-3-phosphate dehydrogenase. 3. Specificity of the reaction in urea. Determination of reacting histidine and tryptophan (short communication).
Topics: Chemical Phenomena; Chemistry; Glyceraldehyde-3-Phosphate Dehydrogenases; Histidine; Iodine; Iodine Isotopes; Pyrrolidinones; Spectrophotometry; Tryptophan; Tyrosine; Urea | 1970 |
The effect of some hallucinogenic drugs on the amino acid precursors of brain monoamines.
Topics: Animals; Behavior, Animal; Brain; Brain Chemistry; Cyclopentanes; Hallucinogens; Lysergic Acid Diethylamide; Mandelic Acids; Mescaline; Phencyclidine; Piperidines; Rats; Tryptophan; Tyrosine | 1970 |
[Some remarks on the hemodynamics of spiral vessels and their modification through use of pyridoxine].
Topics: Blood Vessels; Cytoplasmic Granules; Endometrium; Female; Hemodynamics; Humans; Menstruation; Pyridoxine; Serotonin; Tryptophan; Tyramine; Tyrosine | 1970 |
[Properties of phospho-2-oxo-3-deoxyheptonate aldolase from Claviceps SD 58].
Topics: Aldehyde-Lyases; Ascomycota; Chloromercuribenzoates; Chromatography, Gel; Hot Temperature; Hydrogen-Ion Concentration; Keto Acids; Kinetics; Molecular Weight; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1970 |
The affinity of flavin semiquinones for certain aromatic compounds and disulfides.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Flavin Mononucleotide; Glutathione; Methods; Nicotinic Acids; Oxidation-Reduction; Phenylalanine; Picolinic Acids; Pyridines; Quinones; Riboflavin; Serotonin; Sulfides; Tryptophan; Tyrosine | 1970 |
Low temperature circular dichroism of tyrosyl and tryptophanyl diketopiperazines.
Topics: Chemical Phenomena; Chemistry; Circular Dichroism; Cold Temperature; Dipeptides; Models, Chemical; Models, Structural; Piperazines; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Preparation and properties of human prothrombn complex.
Topics: Arsenicals; Barium; Blood Coagulation Factors; Blood Coagulation Tests; Blood Protein Electrophoresis; Blood Proteins; Chromatography; Chromatography, Gel; Enzyme Repression; Filtration; Glycoproteins; Humans; Isoelectric Focusing; Membranes, Artificial; Prothrombin; Prothrombin Time; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation | 1970 |
[Disturbance of tyrosine and tryptophane metabolism in depression].
Topics: Adolescent; Adult; Circadian Rhythm; Depression; Female; Humans; Kynurenine; Male; Middle Aged; Tryptophan; Tyrosine | 1970 |
Effects of thyroid hormones on the multiple molecular forms of mitochondrial malate-dehydrogenase.
Topics: Animals; Centrifugation, Density Gradient; Chemical Phenomena; Chemistry, Physical; Cyanides; Hydrogen-Ion Concentration; Iodine; Iodine Isotopes; Malate Dehydrogenase; Mitochondria; Myocardium; Proteins; Rabbits; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Sucrose; Sulfhydryl Compounds; Swine; Thyroid Hormones; Thyroxine; Tryptophan; Tyrosine | 1970 |
The susceptibility of N-acetyl-S-alkyl- and N-acetyl-S-aryl-cysteine ethyl esters to chymotryptic hydrolysis.
Topics: Acetates; Alkanes; Amines; Animals; Benzene Derivatives; Butylamines; Caproates; Cattle; Chymotrypsin; Cysteine; Esters; Kinetics; Methionine; Pancreas; Phenylalanine; Tryptophan; Tyrosine; Valerates | 1970 |
Laser-excited Raman spectroscopy of biomolecules. II. Native ribonuclease and alpha-chymotrypsin.
Topics: Amides; Amino Acids; Animals; Cattle; Chemical Phenomena; Chemistry; Chymotrypsin; Cystine; Deuterium; Glutamates; Histidine; Hydrogen-Ion Concentration; Lasers; Muramidase; Peptides; Phenylalanine; Protein Denaturation; Ribonucleases; Spectrum Analysis; Sulfides; Tryptophan; Tyrosine | 1970 |
The properties of bovine growth hormone. IV. Circular dichroism of native and iodinated molecules.
Topics: Animals; Carbonates; Cattle; Chemical Phenomena; Chemistry; Circular Dichroism; Growth Hormone; Hydrogen-Ion Concentration; Iodine; Models, Chemical; Phenylalanine; Piperazines; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1970 |
Structural location of the tyrosyl and tryptophanyl residues of tuna heart cytochrome c.
Topics: Amino Acid Sequence; Animals; Chemical Phenomena; Chemistry; Cytochromes; Diiodotyrosine; Fishes; Heme; Hydrogen-Ion Concentration; Iodine; Iron; Monoiodotyrosine; Myocardium; Oxidation-Reduction; Solvents; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1970 |
Tyrosine and tryptophan residues and amino groups in thrombin related to enzymic activities.
Topics: Amines; Animals; Cattle; Dioxins; Horses; Hydrogen Peroxide; Hydrogen-Ion Concentration; Imidazoles; Naphthoquinones; Osmolar Concentration; Spectrophotometry; Sulfonic Acids; Thrombin; Trypsin; Tryptophan; Tyrosine | 1970 |
Protein fluorescence and solvent perturbation spectra as probes of flavin--protein interactions in the Shethna flavoprotein.
Topics: Azotobacter; Bacterial Proteins; Circular Dichroism; Energy Transfer; Flavin Mononucleotide; Flavins; Fluorescence; Free Radicals; Glycols; Kinetics; Oxidation-Reduction; Quinones; Solvents; Spectrophotometry; Spectrum Analysis; Tryptophan; Tyrosine | 1971 |
Purification and characterization of phospholipase A from the venom of Naja nigricollis.
Topics: Animals; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dextrans; Electrophoresis; Erythrocytes; Hydrogen-Ion Concentration; Immunoelectrophoresis; Isoelectric Focusing; Isoenzymes; Mice; Molecular Weight; Orthomyxoviridae; Phospholipases; Snakes; Tryptophan; Tyrosine; Ultracentrifugation; Venoms | 1971 |
Effect of essential amino acid restriction on the growth of female C57BL mice and their implanted BW10232 adenocarcinomas.
Topics: Adenocarcinoma; Amino Acids; Animals; Body Weight; Deficiency Diseases; Female; Isoleucine; Leucine; Lysine; Mice; Neoplasm Transplantation; Neoplasms, Experimental; Phenylalanine; Rats; Threonine; Transplantation, Homologous; Tryptophan; Tyrosine; Valine | 1971 |
Fluorescence quenching due to mercuric ion interaction with aromatic amino acids and proteins.
Topics: Benzoates; Chemical Phenomena; Chemistry; Chymotrypsin; Energy Transfer; Enzyme Precursors; Fluorescence; Indoles; Lactoglobulins; Mercury; Nitrates; Ovalbumin; Phenylalanine; Serum Albumin; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Some properties of the 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase isoenzymes from mutant strains of Neurospora crassa.
Topics: Aldehyde-Lyases; Alleles; Chromatography, Gel; Genetics, Microbial; Heptoses; Isoenzymes; Molecular Weight; Mutation; Neurospora; Phenylalanine; Polymers; Tryptophan; Tyrosine | 1971 |
[The dependence of the photosensitivity of animo acids on their micro-environment].
Topics: Amino Acids; Cystine; Phenylalanine; Photosensitivity Disorders; Polymers; Radiation Effects; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Studies on thermolysin. I. Inactivation of thermolysin by rose bengal-catalyzed photooxidation--evidence for the presence of a critical histidine residue.
Topics: Amino Acids; Autoanalysis; Catalysis; Histidine; Hydrogen-Ion Concentration; Ketones; Light; Optical Rotatory Dispersion; Oxidation-Reduction; Peptide Hydrolases; Protease Inhibitors; Rose Bengal; Tryptophan; Tyrosine | 1971 |
Tyrosine and tryptophan contents in heavy meromyosin and subfragment-1.
Topics: Methods; Muscle Proteins; Spectrophotometry; Tryptophan; Tyrosine | 1971 |
States of tyrosyl and tryptophyl residues in Bence Jones proteins.
Topics: Bence Jones Protein; Bromides; Chemical Phenomena; Chemistry; Imidazoles; Nitrobenzenes; Protein Denaturation; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1971 |
The fluorescence quenching of aromatic amino acid and flavin portions of flavinyl peptides.
Topics: Flavins; Fluorescence; Peptides; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1971 |
The kinetics of ligand binding and of the association-dissociation reactions of human hemoglobin. Properties of deoxyhemoglobin dimers.
Topics: Carbon Monoxide; Chemical Phenomena; Chemistry; Computers; Haptoglobins; Hemoglobins; Humans; Hydrogen-Ion Concentration; Kinetics; Photolysis; Polymers; Protein Binding; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation | 1971 |
Investigations of the chymotrypsin-catalyzed hydrolysis of specific substrates. V. Determination of pre-steady state kinetic parameters for specific substrate esters by stopped flow techniques.
Topics: Acridines; Amides; Arginine; Chemical Phenomena; Chemistry; Chymotrypsin; Esters; Ethanol; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Leucine; Methanol; Phenylalanine; Protein Binding; Spectrophotometry; Tryptophan; Tyrosine | 1971 |
Proton magnetic resonance studies of oligopeptides containing aromatic residues.
Topics: Deuterium; Dimethyl Sulfoxide; Dipeptides; Histidine; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Peptides; Phenylalanine; Protein Denaturation; Proteins; Protons; Tryptophan; Tyrosine | 1971 |
Intermolecular nuclear shielding due to the aromatic amino acids of proteins and to porphyrins.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Histidine; Magnetic Resonance Spectroscopy; Porphyrins; Proteins; Protons; Tryptophan; Tyrosine | 1971 |
Placental transfer of amino acids in the rat. II. Aromatic amino acids.
Topics: Animals; Biological Transport, Active; Female; Fetus; Maternal-Fetal Exchange; Phenylalanine; Placenta; Pregnancy; Rats; Time Factors; Tryptophan; Tyrosine | 1971 |
Amino acid metabolism in the isolated perfused rat liver.
Topics: Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Chromatography; Glutamates; Glycine; In Vitro Techniques; Liver; Lysine; Male; Methionine; Nitrogen Isotopes; Perfusion; Phenylalanine; Proline; Rats; Serine; Threonine; Tryptophan; Tyrosine; Urea | 1971 |
Membrane structure: the reactivity of tryptophan, tyrosine and lysine in proteins of the microsomal structure.
Topics: Alkanes; Amino Acids; Animals; Carbamates; Carbohydrates; Cell Fractionation; Centrifugation, Density Gradient; Chemical Phenomena; Chemistry; Coliphages; Cyanates; Depression, Chemical; Detergents; Lipids; Lysine; Membranes; Microsomes, Liver; Nitro Compounds; Oxidation-Reduction; Pancreas; Peptides; Proteins; Pyrrolidinones; Rats; Ribonucleases; Stimulation, Chemical; Sulfuric Acids; Time Factors; Tryptophan; Tyrosine; Urea | 1971 |
The entry of amino acids into the myocardium of the growing rat in vivo.
Topics: Amino Acids; Animals; Aspartic Acid; Diffusion; Glycine; Heart; Histidine; Isoleucine; Leucine; Lysine; Methionine; Myocardium; Phenylalanine; Protein Binding; Protein Biosynthesis; Rats; Serine; Taurine; Tryptophan; Tyrosine; Valine | 1971 |
The subunit structure of formyltetrahydrofolate synthetase.
Topics: Adenosine Triphosphate; Ammonium Chloride; Carbohydrates; Chemical Phenomena; Chemistry; Chlorides; Chromatography, Gel; Clostridium; Drug Stability; Enzyme Activation; Folic Acid; Formates; Guanidines; Hydrogen-Ion Concentration; Ligases; Macromolecular Substances; Magnesium; Mercaptoethanol; Metals; Molecular Weight; Optical Rotatory Dispersion; Phenylalanine; Potassium; Rubidium; Spectrophotometry; Tromethamine; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 1971 |
Sodium trichloroacetate as a denaturation reagent for proteins.
Topics: Chymotrypsin; Enzyme Precursors; Hydrogen-Ion Concentration; Insulin; Muramidase; Optical Rotatory Dispersion; Protein Denaturation; Ribonucleases; Sodium; Spectrophotometry; Trichloroacetic Acid; Tryptophan; Tyrosine | 1971 |
Circular dichroism studies on the conformation and interaction of T 1 ribonuclease.
Topics: Aspergillus; Binding Sites; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Circular Dichroism; Guanine Nucleotides; Hydrogen-Ion Concentration; Nucleotides; Quaternary Ammonium Compounds; Ribonucleases; Spectrophotometry; Sulfates; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1971 |
Effects of excess phenylalanine on in vitro and in vivo RNA and protein synthesis and polyribosome levels in brains of mice.
Topics: Age Factors; Animals; Brain; Glutamates; Injections, Intraperitoneal; Leucine; Liver; Mice; Nerve Tissue Proteins; Phenylalanine; Ribosomes; RNA; Tryptophan; Tyrosine | 1971 |
Essential amino acids in the culture of Leishmania tarentolae.
Topics: Alanine; Amino Acids; Arginine; Aspartic Acid; Culture Media; Glucose; Glutamates; Glycine; Histidine; Leishmania; Leucine; Lysine; Methionine; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1971 |
Structural genes for DAHP synthase isoenzymes in Neurospora crassa.
Topics: Aldehyde-Lyases; Binding Sites; Feedback; Genes; Genetic Complementation Test; Heptoses; Isoenzymes; Mutation; Neurospora; Phenylalanine; Tetroses; Tryptophan; Tyrosine | 1971 |
Flavin-sensitized photooxidations of tryptophan and tyrosine.
Topics: Acetates; Colorimetry; Dimethyl Sulfoxide; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; Flavins; Hydrogen-Ion Concentration; Kinetics; Light; Oxidation-Reduction; Peptides; Photochemistry; Radiation Effects; Temperature; Tryptophan; Tyrosine | 1971 |
Circular dichroism studies on human chorionic somatomammotropin.
Topics: Acetates; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Circular Dichroism; Female; Glycine; Guanidines; Humans; Hydrochloric Acid; Hydrogen-Ion Concentration; Molecular Weight; Osmotic Pressure; Phenylalanine; Placental Hormones; Placental Lactogen; Pregnancy; Protein Denaturation; Sodium Hydroxide; Tromethamine; Tryptophan; Tyrosine; Ultraviolet Rays | 1971 |
Effects of olfactory bulb lesions on brain monoamines.
Topics: Animals; Brain Chemistry; Brain Stem; Catecholamines; Dihydroxyphenylalanine; Dopamine; Female; Light; Limbic System; Mixed Function Oxygenases; Norepinephrine; Rats; Serotonin; Telencephalon; Tritium; Tryptophan; Tyrosine | 1971 |
Stimulation of serotonin synthesis by lithium.
Topics: Animals; Basal Ganglia; Brain; Carbonates; Hydroxyindoleacetic Acid; Lithium; Male; Motor Activity; Pargyline; Phenylacetates; Rats; Serotonin; Stimulation, Chemical; Tryptophan; Tyrosine | 1971 |
L-dopa: disaggregation of brain polysomes and elevation of brain tryptophan.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Phenylalanine; Rats; Ribosomes; Time Factors; Tryptophan; Tyrosine | 1971 |
Some neurochemical effects of amphetamine, methylamphetamine and p-bromomethylamphetamine in the rat.
Topics: Amphetamine; Animals; Brain Chemistry; Dopamine; Female; Male; Methamphetamine; Norepinephrine; Phenethylamines; Rats; Serotonin; Tryptophan; Tyramine; Tyrosine | 1971 |
Conformational studies on modified proteins and peptides. IV. Conformation of lysozyme derivatives modified at tyrosine or at tryptophan residues.
Topics: Amines; Antigens; Binding Sites; Chemical Phenomena; Chemistry; Circular Dichroism; Detergents; Hydrogen-Ion Concentration; Muramidase; Nitrates; Nitrobenzenes; Optical Rotatory Dispersion; Oxidation-Reduction; Protein Binding; Sulfenic Acids; Sulfides; Sulfuric Acids; Tryptophan; Tyrosine | 1971 |
Effects of morpholino-, pyrrolidino-, piperizino-, and cyclo-octyl-derivatives of beta-alanine on brain amines and amino acids.
Topics: Alanine; Amines; Amino Acids; Aminobutyrates; Animals; Blood Platelets; Brain Chemistry; Cycloparaffins; Dopamine; Female; Humans; Hydroxyindoleacetic Acid; Lysergic Acid Diethylamide; Male; Morpholines; Norepinephrine; Piperazines; Pyrrolidines; Rats; Serotonin; Tryptophan; Tyrosine | 1971 |
Hallucinogens and non-hallucinogens: a comparison of the effects on 5-hydroxytryptamine and noradrenaline.
Topics: Animals; Brain Chemistry; Dopamine; Ephedrine; Ergolines; Female; Hallucinogens; Male; Myocardium; Norepinephrine; Phenethylamines; Rats; Serotonin; Tryptophan; Tyrosine | 1971 |
Column chromatographic analysis of tryptophan with the basic amino acids.
Topics: Amino Acids; Autoanalysis; Chromatography, Ion Exchange; Fasting; Female; Humans; Male; Methods; Phenylalanine; Tryptophan; Tyrosine | 1971 |
Isolation and characterization of seryl-tRNA synthetase from yeast.
Topics: Autolysis; Chemistry Techniques, Analytical; Chromatography; Chromatography, DEAE-Cellulose; Electrophoresis; Electrophoresis, Disc; Gels; Ligases; Molecular Weight; RNA, Transfer; Serine; Spectrum Analysis; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Yeasts | 1971 |
Polyribosome disaggregation and cell-free protein synthesis in preparations from cerebral cortex of hyperphenylalaninemic rats.
Topics: Animals; Animals, Newborn; Brain; Brain Chemistry; Cell Aggregation; Cell-Free System; Cerebral Cortex; In Vitro Techniques; Injections, Intraperitoneal; Liver; Microsomes; Nerve Tissue Proteins; Phenylalanine; Protein Biosynthesis; Rats; Ribosomes; Serotonin; Tryptophan; Tyrosine | 1971 |
[Demonstration of enzymes for the biosynthesis of aromatic amino acids in Claviceps paspali].
Topics: Ascomycota; Ligases; Oxidoreductases; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1967 |
[Studies on the pathogenesis of acrodermatitis enteropathica Danbolt-Closs].
Topics: Acrodermatitis; Adolescent; Amino Acids; Child; Female; Humans; Kynurenine; Liver; Tryptophan; Tyrosine | 1967 |
Cytochrome c peroxidase. 3. The amino acid composition of cytochrome c peroxidase of Baker's yeast.
Topics: Amino Acids; Ammonia; Chemical Phenomena; Chemistry; Cysteine; Cytochromes; Lysine; Molecular Weight; Peroxidases; Saccharomyces; Tryptophan; Tyrosine | 1967 |
Effect of pH on the ultraviolet optical rotatory dispersion and circular dichroism of lysozyme.
Topics: Acids; Alkalies; Animals; Chickens; Ducks; Hydrogen-Ion Concentration; Muramidase; Ovalbumin; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1967 |
[Studies on the comparability of chemical and histochemical findings in human aortas changed by arteriosclerosis].
Topics: Adolescent; Adult; Age Factors; Aged; Aortic Diseases; Arteriosclerosis; Child; Child, Preschool; Cholesterol; Connective Tissue; Female; Hexosamines; Histocytochemistry; Humans; Hydroxyproline; Infant; Infant, Newborn; Male; Middle Aged; Tryptophan; Tyrosine | 1967 |
[Tryptophan and tyrosine administration in acrodermatitis enteropathica (Danbolt)].
Topics: Acrodermatitis; Adult; Child; Female; Humans; Indican; Intestinal Diseases; Kynurenic Acid; Kynurenine; Male; Tryptophan; Tyrosine; Xanthurenates | 1967 |
[On the biosynthesis of aromatic amino acids in Lactobacillus arabinosus].
Topics: Cyclohexanecarboxylic Acids; Lactobacillus; Ligases; ortho-Aminobenzoates; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1967 |
[Hyperaminoaciduria in children suffering from progressive muscular dystrophy].
Topics: Adolescent; Alanine; Amino Acid Metabolism, Inborn Errors; Arginine; Aspartic Acid; Child; Child, Preschool; Creatine; Creatinine; Female; Glutamates; Histidine; Humans; Leucine; Lysine; Male; Methionine; Muscular Dystrophies; Nitrogen; Phenylalanine; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
[On some problems of paper chromatographic amino acid analysis of natural materials].
Topics: Amino Acids; Chromatography, Paper; Cystine; Edible Grain; Formates; Histidine; Medicago sativa; Methionine; Methods; Oxidation-Reduction; Phenylalanine; Proteins; Triticum; Tryptophan; Tyrosine | 1967 |
[The protein nature of specific cellular inclusions (Lewy's bodies) in Parkinson's disease].
Topics: Acetylcholinesterase; Acid Phosphatase; Alkaline Phosphatase; Amino Acids; Cholinesterases; Cystine; Cytoplasmic Granules; Histidine; Histocytochemistry; Humans; Lipase; Lysine; Microscopy, Electron; Neurons; Parkinson Disease; Proteins; Substantia Nigra; Sulfites; Tryptophan; Tyrosine | 1967 |
[Paper chromatographic amino acids analysis of natural compounds].
Topics: Amino Acids; Arginine; Chemistry Techniques, Analytical; Chromatography, Paper; Cystine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Methods; Oxidation-Reduction; Phenylalanine; Proteins; Solvents; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Essential amino acids for milk protein synthesis in the in vitro secretory cell and stimulation by elevated levels.
Topics: Amino Acids; Animals; Arginine; Carbon Isotopes; Caseins; Cattle; Culture Techniques; Cystine; Female; Glutamine; Histidine; Isoleucine; Lactation; Lactoglobulins; Leucine; Lysine; Mammary Glands, Animal; Methionine; Phenylalanine; Pregnancy; Rats; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Structural changes associated with the acid inactivation of horse liver alcohol dehydrogenase.
Topics: Acids; Alcohol Oxidoreductases; Animals; Catalysis; Depression, Chemical; Fluorometry; Horses; Kinetics; Liver; Spectrophotometry; Tryptophan; Tyrosine | 1967 |
Ammonia production by rumen microbes in vitro.
Topics: Alanine; Amino Acids; Ammonia; Animals; Arginine; Asparagine; Aspartic Acid; Cysteine; Glutamates; Glutamine; Glycine; Histidine; Hydrogen-Ion Concentration; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proline; Rumen; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Studies on progressive muscular dystrophy. IV. Effects of original amino acids mixture on progressive muscular dystrophy.
Topics: Adenosine Triphosphate; Adolescent; Adult; Amino Acids; Arginine; Asparagine; Aspartic Acid; Blood Proteins; Child; Deficiency Diseases; Glutamates; Glycine; Histidine; Humans; Isoleucine; Leucine; Lysine; Male; Methionine; Muscles; Muscular Dystrophies; Phenylalanine; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Amino acid composition and peptide maps of beta-lactoglobulin variants.
Topics: Amino Acid Sequence; Amino Acids; Animals; Autoanalysis; Cattle; Chromatography, Paper; Electrophoresis; Goats; Indicators and Reagents; Lactoglobulins; Peptides; Sheep; Species Specificity; Spectrum Analysis; Trypsin; Tryptophan; Tyrosine | 1968 |
Histochemical differentiation of cell types in the pars intermedia of the rat pituitary gland.
Topics: Acid Phosphatase; Animals; Arginine; Cell Nucleus; Cytoplasm; Glucosephosphate Dehydrogenase; Glutamate Dehydrogenase; Glycerolphosphate Dehydrogenase; Histocytochemistry; Hydroxybutyrate Dehydrogenase; Isocitrate Dehydrogenase; L-Lactate Dehydrogenase; Malate Dehydrogenase; Melanocyte-Stimulating Hormones; Oxidoreductases; Pituitary Gland; Rats; Tryptophan; Tyrosine | 1968 |
Aromatic biosynthesis in yeast. II. Feedback inhibition and repression of 3-deoxy-D-arabino-heptulosonic acid 7-phosphate synthase.
Topics: Aldehyde-Lyases; Binding Sites; Chemical Precipitation; Enzyme Repression; Feedback; Isoenzymes; Phenylalanine; Saccharomyces; Tryptophan; Tyrosine | 1968 |
Non-heme iron proteins. V. The amino acid sequence of rubredoxin from Peptostreptococcus elsdenii.
Topics: Amino Acid Sequence; Amino Acids; Bacteria; Bacterial Proteins; Chromatography; Chymotrypsin; Cysteine; Iron; Lysine; Peptococcus; Spectrum Analysis; Trypsin; Tryptophan; Tyrosine | 1968 |
The biosynthesis of phenylalanine and tyrosine in the pea (Pisum sativum): chorismate mutase.
Topics: Cellulose; Chromatography, Ion Exchange; Feedback; Phenylalanine; Phosphotransferases; Plants; Tryptophan; Tyrosine | 1968 |
Histochemistry of myelin. V. Trypsin-digestible and trypsin-resistant proteins.
Topics: Animals; Brain; Cysteine; Cystine; Histocytochemistry; Myelin Sheath; Nerve Tissue Proteins; Peptide Hydrolases; Rats; Sciatic Nerve; Trypsin; Tryptophan; Tyrosine | 1968 |
Human serum albumin. Tyrosyl residues and strongly binding sites.
Topics: Binding Sites; Chemical Phenomena; Chemistry; Fatty Acids; Humans; Optical Rotatory Dispersion; Serum Albumin; Spectrophotometry; Tryptophan; Tyrosine | 1968 |
[On the composition of hemoglobin of the freshwater turtle Glemys caspica rivulata and the eel Anguilla anguilla].
Topics: Amino Acids; Animals; Arginine; Blood Protein Electrophoresis; Eels; Electrophoresis; Hemoglobins; Histidine; Lysine; Paper; Peptides; Species Specificity; Starch; Trypsin; Tryptophan; Turtles; Tyrosine | 1968 |
Inhibition of heat-induced denaturation of serum proteins by mixtures of nonsteroidal anti-inflammatory agents and amino acids.
Topics: Amino Acids; Anti-Inflammatory Agents; Arthritis, Rheumatoid; Cysteine; Depression, Chemical; Flufenamic Acid; Fluorine; Histamine; Histidine; Hot Temperature; Indomethacin; ortho-Aminobenzoates; Phenylalanine; Phenylbutazone; Protein Denaturation; Serine; Serum Albumin, Bovine; Solutions; Tryptophan; Tyrosine | 1968 |
The phosphorescence of oligopeptides containing tryptophan and tyrosine.
Topics: Glycols; Hydrogen-Ion Concentration; Luminescent Measurements; Peptides; Spectrophotometry; Tryptophan; Tyrosine | 1968 |
Automated measurement of proteolytic enzymes.
Topics: Autoanalysis; Caseins; Cathepsins; Colorimetry; Coloring Agents; Endopeptidases; Fluorometry; Hemoglobins; Hydrogen-Ion Concentration; Indicators and Reagents; Methods; Papain; Protein Denaturation; Spectrophotometry; Tryptophan; Tyrosine | 1968 |
Detection of aromatic amino acid derivatives on thin-layer chromatograms by various electron acceptors.
Topics: Amino Acids; Benzene Derivatives; Chromatography, Thin Layer; Electron Transport; Histidine; Indicators and Reagents; Methods; Peptides; Phenylalanine; Tryptophan; Tyrosine | 1968 |
Peroxidase isoenzymes from horseradish roots. 3. Circular dichroism of isoenzymes and apoisoenzymes.
Topics: Binding Sites; Heme; Isoenzymes; Peroxidases; Phenylalanine; Plants; Spectrophotometry; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1968 |
Three-dimensional Fourier synthesis of horse oxyhaemoglobin at 2.8 A resolution: the atomic model.
Topics: Amino Acid Sequence; Animals; Crystallography; Hemoglobins; Horses; Models, Chemical; Models, Structural; Myoglobin; Oxygen; Peptides; Tryptophan; Tyrosine | 1968 |
Studies of the location of tyrosyl and tryptophyl residues in proteins. I. Solvent perturbation data of model compounds.
Topics: Deuterium; Erythritol; Glucose; Glycerol; Glycols; Indicators and Reagents; Methanol; Muramidase; Protein Denaturation; Proteins; Ribonucleases; Spectrophotometry; Sucrose; Sulfoxides; Tryptophan; Tyrosine; Urea | 1968 |
The isolation of yeast tyrosine and tryptophan transfer ribonucleic acids.
Topics: Amino Acids; Carbon Isotopes; Cellulose; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; RNA, Transfer; Saccharomyces; Spectrophotometry; Tryptophan; Tyrosine | 1968 |
Investigation of energy transfer in peptides by excitation difference spectra techniques.
Topics: Energy Transfer; Fluorometry; Luminescent Measurements; Peptides; Spectrum Analysis; Tryptophan; Tyrosine | 1968 |
[Certisone and substrate in the induction of enzymes in the rat liver].
Topics: Adrenalectomy; Animals; Cortisone; Dactinomycin; Injections, Intraperitoneal; Liver; Oxygenases; Puromycin; Rats; RNA, Messenger; Stimulation, Chemical; Transaminases; Tryptophan; Tyrosine | 1968 |
Inhibition of rat brain tryptophan hydroxylase by 6-halotryptophans.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Halogens; In Vitro Techniques; Methyltyrosines; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1968 |
Formation and occurrence of N-malonylphenylalanine and related compounds in plants.
Topics: Amino Acids; Carbon Isotopes; Chromatography, Paper; Chromatography, Thin Layer; Edible Grain; Esters; Infrared Rays; Isoleucine; Leucine; Malonates; Phenylalanine; Seeds; Spectrophotometry; Stereoisomerism; Tryptophan; Tyrosine; Valine | 1968 |
High-resolution nuclear magnetic resonance spectra of selectively deuterated staphylococcal nuclease.
Topics: Amino Acids; Asparagine; Aspartic Acid; Calcium; Deoxyribonucleases; Deuterium; Glutamates; Glutamine; Histidine; Magnetic Resonance Spectroscopy; Methionine; Nucleotides; Ribonucleases; Staphylococcus; Tryptophan; Tyrosine | 1968 |
A study of 2,4,6-trinitrobenzenesulfonic acid for automated amino acid chromatography.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Autoanalysis; Chromatography; Cystine; Glycine; Histidine; Hydrogen-Ion Concentration; Indicators and Reagents; Isoleucine; Leucine; Lysine; Methionine; Methods; Nitrobenzenes; Phenylalanine; Proline; Serine; Spectrophotometry; Sulfonic Acids; Temperature; Threonine; Tryptophan; Tyrosine; Urea; Valine | 1968 |
Studies on proteolytic inhibitors. 3. Stability of trypsin in trypsin-inhibitor complexes to specific chemical inactivating agents.
Topics: Animals; Arginine; Ascaris; Autoanalysis; Cattle; Chickens; Glycine; Histidine; In Vitro Techniques; Isoflurophate; Ketones; Methods; Pancreatic Extracts; Proteins; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine | 1968 |
The transference of triplet state excitation energy. II. Kinetics of formation and decay of triplet state species.
Topics: Energy Transfer; Kinetics; Mathematics; Tryptophan; Tyrosine | 1968 |
Binding-induced alterations in ultraviolet absorption of native serum albumin.
Topics: Animals; Binding Sites; Cattle; Cystine; Detergents; Histidine; Phenylalanine; Protein Binding; Serum Albumin, Bovine; Spectrum Analysis; Sulfates; Sulfonic Acids; Tryptophan; Tyrosine; Ultraviolet Rays; Viscosity | 1968 |
Trace metal requirements for malformin biosynthesis.
Topics: Alanine; Amino Acids; Anti-Bacterial Agents; Arginine; Aspartic Acid; Aspergillus; Chromium; Cobalt; Copper; Cysteine; Glutamine; Glycine; Histidine; Iron; Isoleucine; Leucine; Lysine; Manganese; Metals; Molybdenum; Peptide Biosynthesis; Phenylalanine; Plant Growth Regulators; Proline; Serine; Trace Elements; Tryptophan; Tyrosine; Valine; Zinc | 1968 |
[An improved differentiation of amino acids with ninhydrin].
Topics: Amino Acids; Aminoisobutyric Acids; Biochemical Phenomena; Biochemistry; Chromatography; Fluorescence; Glutamates; Indicators and Reagents; Methods; Phenylalanine; Tryptophan; Tyrosine; Ultraviolet Rays | 1968 |
Structure and function of a cellulase from Penicillium notatum as studies by chemical modification and solvent accessibility.
Topics: Azoles; Chemical Phenomena; Chemistry; Diazonium Compounds; Fluorescence; Glycoside Hydrolases; Histidine; Hot Temperature; Hydrogen-Ion Concentration; Nitrates; Oxidation-Reduction; Penicillium; Riboflavin; Spectrophotometry; Succinates; Tryptophan; Tyrosine | 1968 |
The circular dichroism of tryosyl and tryptophanyl diketopiperazines.
Topics: Piperazines; Spectrum Analysis; Tryptophan; Tyrosine | 1968 |
Tryptophan derivatives as inhibitors of tyrosine hydroxylase in vivo and in vitro.
Topics: Animals; Brain; Catecholamines; Guinea Pigs; Indoles; Kinetics; Mixed Function Oxygenases; Myocardium; Norepinephrine; Rats; Sleep; Tryptophan; Tyrosine | 1968 |
[L-tryptophan metabolism in phenylketonuria].
Topics: Adolescent; Adult; Child; Diet Therapy; Female; Humans; Indoles; Kynurenine; Male; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1968 |
Chemically induced cofactor requirement for bacteriopage T4D.
Topics: Adsorption; Alkylating Agents; Alkylation; Chemical Phenomena; Chemistry; Coliphages; Indoles; Methane; Nitrobenzenes; Nitrogen; Temperature; Tryptophan; Tyrosine | 1968 |
[Fundamental study on the treatment of retinitis pigmentosa. 7].
Topics: Adolescent; Adult; Aged; Female; Humans; Male; Middle Aged; Phenylalanine; Retinitis Pigmentosa; Tryptophan; Tyrosine | 1968 |
Decreased tyrosine--tryptophan ration in a 6.6S cryoglobulin, as determined by a spectrophotometric technique.
Topics: Blood Protein Disorders; Chromatography, Gel; Chromatography, Ion Exchange; Cryoglobulins; Dialysis; Humans; Immunoglobulin G; Multiple Myeloma; Solubility; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation | 1968 |
The fluorescence of tyrosyl and tryptophanyl diketopiperazines.
Topics: Dimethyl Sulfoxide; Dioxins; Fluorescence; Glycerol; Peptides; Piperazines; Spectrum Analysis; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays; Water | 1968 |
Tryptophan transaminase from Clostridium sporogenes.
Topics: Buffers; Cell-Free System; Centrifugation, Density Gradient; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography, Ion Exchange; Clostridium; Electrophoresis; Hydrogen-Ion Concentration; Ketoglutaric Acids; Kinetics; Models, Biological; Molecular Weight; Phenylalanine; Pyridoxal Phosphate; Spectrophotometry; Transaminases; Tryptophan; Tyrosine | 1968 |
Isolation and chemical properties of porcine thyrocalcitonin.
Topics: Amino Acids; Animals; Autoanalysis; Calcitonin; Carbohydrates; Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Ion Exchange; Chromatography, Thin Layer; Cystine; Electrophoresis, Disc; Hydrogen-Ion Concentration; Iodine; Methionine; Molecular Weight; Solubility; Spectrophotometry; Sulfoxides; Swine; Thyroid Gland; Tryptophan; Tyrosine | 1968 |
[Histochemical studies of the subcommissural organ and Reissner's fiber of Lampetra planeri (Bloch)].
Topics: Animals; Brain; Brain Chemistry; Cystine; Diencephalon; Female; Fishes; Hydrolases; Lipid Metabolism; Lyases; Male; Oxidoreductases; Polysaccharides; Proteins; RNA; Spinal Cord; Tryptophan; Tyrosine | 1968 |
Change of tryptophan residue at the 158th position of T4 bacteriophage lysozyme into a tyrosine residue by suppression and spontaneous reversion of an amber mutatnt.
Topics: Amino Acid Sequence; Chromatography, Ion Exchange; Coliphages; Molecular Biology; Muramidase; Mutation; Suppression, Genetic; Trypsin; Tryptophan; Tyrosine | 1968 |
Fluorescence and protein structure. XV. Tryptophan fluorescence in helical muscle protein.
Topics: Detergents; Dipeptides; Fluorescence; Glycine; Hydrogen-Ion Concentration; Models, Chemical; Muscle Proteins; Protein Denaturation; Spectrum Analysis; Sulfates; Tryptophan; Tyrosine; Urea | 1968 |
Two procedures for accelerated separation of amino acids by column chromatography.
Topics: Alanine; Amino Acids; Aspartic Acid; Autoanalysis; Buffers; Chromatography, Ion Exchange; Cystine; Glutamates; Glycine; Isoleucine; Leucine; Methionine; Methods; Phenylalanine; Proline; Serine; Temperature; Threonine; Tryptophan; Tyrosine; Valine | 1968 |
An analysis of perturbations in the ultraviolet absorption spectra of proteins and model compounds.
Topics: 1-Propanol; Chymotrypsin; Dioxins; Esters; Ethanol; Glycols; Muramidase; Protein Denaturation; Proteins; Serum Albumin; Serum Albumin, Bovine; Solvents; Spectrophotometry; Tryptophan; Tyrosine; Urea | 1968 |
States of amino acid residues in proteins. XVI. Naphthoquinones with two sulfonic groups as a reagent for discrimation of amino groups in proteins.
Topics: Alanine; Amino Acids; Arginine; Aspartic Acid; Chymotrypsin; Colorimetry; Freezing; Glycine; Histidine; Hydrogen-Ion Concentration; Imidazoles; Indicators and Reagents; Insulin; Lysine; Muramidase; Naphthoquinones; Proline; Proteins; Ribonucleases; Serine; Spectrophotometry; Sulfonic Acids; Tryptophan; Tyrosine | 1968 |
Amine formation by rat mast cells in vitro.
Topics: Adenosine Triphosphate; Age Factors; Animals; Carbon Isotopes; Dopamine; Histamine; Hydrogen-Ion Concentration; In Vitro Techniques; Ion Exchange; Mast Cells; Rats; Serotonin; Temperature; Time Factors; Tryptophan; Tyrosine | 1968 |
[Deficit of essential amino acids in endogenous depression].
Topics: Adolescent; Adult; Aged; Antidepressive Agents; Depression; Female; Humans; Injections, Intravenous; Male; Middle Aged; Phenylalanine; Tryptophan; Tyrosine | 1968 |
Structural features of gamma-immunoglobulin, antibody, and their fragments. Circular dichroism studies.
Topics: Animals; Antibodies; Chemical Phenomena; Chemistry; Cystine; Dinitrophenols; Guanidines; Hydrogen-Ion Concentration; Immunoglobulin G; Peptides; Rabbits; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1968 |
Molecular excitations in radiation damage as studies by the radiation-induced luminescence of proteins.
Topics: Energy Transfer; Luminescent Measurements; Proteins; Radiation Effects; Spectrum Analysis; Temperature; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1968 |
Histochemical studies on the accessory body of cajal in neurones of the cat.
Topics: Amino Acids; Animals; Arginine; Brain Chemistry; Cats; Cell Nucleolus; DNA; Female; Histidine; Histocytochemistry; Histones; Lipids; Male; Neurons; RNA; Sex Chromatin; Spinal Cord; Tryptophan; Tyrosine | 1968 |
[Protein metabolism of the skin in uremia (histochemical study)].
Topics: Adolescent; Adult; Aged; Blood Urea Nitrogen; Capillary Permeability; Child; DNA; Female; Histidine; Histocytochemistry; Humans; Male; Methods; Middle Aged; Proteins; RNA; Skin; Tryptophan; Tyrosine; Uremia | 1968 |
Steroid-protein interactions studies by fluorescence quenching.
Topics: 17-Ketosteroids; Amino Acids; Androstanes; Animals; Cattle; Chemical Phenomena; Chemistry; Fluorescence; Fluorometry; Gelatin; Hydrogen-Ion Concentration; Proteins; Serum Albumin, Bovine; Testosterone; Tryptophan; Tyrosine; Urea | 1968 |
Muramidase from tissue fluid of syphilitic rabbit testes. II. Comparative study of the enzyme and hen egg white muramidase.
Topics: Animals; Chloromercuribenzoates; Chromatography; Egg White; Electrophoresis; Extracellular Space; Hydrogen-Ion Concentration; Iodoacetates; Male; Micrococcus; Mucoproteins; Muramidase; Rabbits; Spectrum Analysis; Starch; Syphilis; Testicular Diseases; Testis; Tryptophan; Tyrosine | 1968 |
Structural investigations on pancreatic alpha-amylase. I. Difference spectra and optical rotatory dispersion measurements.
Topics: Amylases; Animals; Hydrogen-Ion Concentration; Optical Rotatory Dispersion; Pancreas; Spectrophotometry; Spectrum Analysis; Swine; Tryptophan; Tyrosine | 1968 |
[Tyrosine and tryptophan metabolism in the livers of traumatized white rats].
Topics: Animals; Liver; Male; Oxidation-Reduction; Rats; Shock, Traumatic; Tryptophan; Tyrosine | 1968 |
Physicochemical studies of bovine fibrinogen. IV. Ultraviolet absorption and its relation to the structure of the molecule.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry; Fibrinogen; Glycols; Guanidines; Hydrogen-Ion Concentration; Protein Denaturation; Solvents; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1968 |
Effect of different patterns of excess amino acids on performance of chicks fed amino acid-deficient diets.
Topics: Amino Acids; Animals; Arginine; Body Weight; Chickens; Cystine; Deficiency Diseases; Diet Therapy; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Threonine; Tryptophan; Tyrosine | 1969 |
Stability of the conformation of saccharifying bacterial alpha-amylase.
Topics: Amylases; Calcium; Chemical Phenomena; Chemistry, Physical; Light; Molecular Weight; Optical Rotatory Dispersion; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Viscosity | 1969 |
The state of amino acid residues in beta-lactoglobulin.
Topics: Amino Acids; Animals; Cattle; Chemical Phenomena; Chemistry; Cysteine; Electrochemistry; Genetic Variation; Goats; Homozygote; Hydrogen-Ion Concentration; Lactoglobulins; Milk; Models, Structural; Molecular Biology; Optical Rotatory Dispersion; Protein Denaturation; Solvents; Spectrophotometry; Spectrum Analysis; Tryptophan; Tyrosine; Ultracentrifugation | 1969 |
Structural studies on rabbit muscle glycerol 3-phosphate dehydrogenase and a comparison of chemical and physical determinations of its molecular weight.
Topics: Alkylation; Amino Acids; Animals; Arginine; Autoradiography; Bees; Carbon Isotopes; Centrifugation, Density Gradient; Chromatography, Gel; Chymotrypsin; Cysteine; Glycerolphosphate Dehydrogenase; Histidine; Isomerases; Kinetics; Lysine; Molecular Weight; Muscles; Rabbits; Rats; Species Specificity; Trypsin; Tryptophan; Tyrosine; Ultracentrifugation | 1969 |
Reactivity of tyrosine and tryptophan residues in haptoglobin.
Topics: Alkylation; Animals; Bromides; Chemical Phenomena; Chemistry; Dogs; Haptoglobins; Hydrogen-Ion Concentration; Imidazoles; Protein Denaturation; Spectrophotometry; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
Kinetic properties of the alpha-lytic protease of Sorangium sp., a bacterial homologue of the pancreatopeptidases.
Topics: Acetates; Amino Acid Sequence; Arginine; Bacteria; Catalysis; Chymotrypsin; Deuterium; Electrophoresis; Esters; Histidine; Hydrogen-Ion Concentration; Kinetics; Nitrophenols; Pancreatic Elastase; Peptide Hydrolases; Protease Inhibitors; Protein Binding; Serine; Spectrophotometry; Trypsin; Tryptophan; Tyrosine | 1969 |
Solvent perturbation studies of heme proteins and other colored proteins.
Topics: Animals; Catalase; Cattle; Cetacea; Cytochromes; Deuterium; Glycerol; Glycols; Heme; Hemoglobins; Horses; Hydrogen-Ion Concentration; Liver; Myoglobin; Optical Rotatory Dispersion; Solvents; Spectrum Analysis; Sucrose; Tryptophan; Tyrosine; Ultraviolet Rays; Urea; Water | 1969 |
On the location of the tyrosyl and tryptophyl residues in trypsin and trypsinogen.
Topics: Chemical Phenomena; Chemistry; Glycerol; Glycols; Protein Denaturation; Spectrum Analysis; Trypsin; Trypsinogen; Tryptophan; Tyrosine | 1969 |
Circadian periodicity of blood amino acids in normal and adrenalectomized mice.
Topics: Adrenal Cortex Hormones; Adrenal Glands; Adrenalectomy; Alanine; Amino Acids; Aminobutyrates; Animals; Arginine; Aspartic Acid; Circadian Rhythm; Cystine; Densitometry; Glutamates; Glutamine; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Mice; Serine; Threonine; Tryptophan; Tryptophan Oxygenase; Tyrosine; Valine | 1969 |
The effect of brain stem lesions on tyrosine and tryptophan hydroxylases in various structures of the telencephalon of the cat.
Topics: Animals; Brain Stem; Cats; Female; Functional Laterality; Histocytochemistry; Male; Mixed Function Oxygenases; Neurons; Succinate Dehydrogenase; Telencephalon; Thalamus; Tryptophan; Tyrosine | 1969 |
Absorption spectrum of rhodopsin: 280 nm absorption band.
Topics: Animals; Cattle; Guanidines; Hydrochloric Acid; Protein Denaturation; Retinal Pigments; Spectrophotometry; Tryptophan; Tyrosine | 1969 |
Flavinyl peptides. II. Intramolecular interactions in flavinyl aromatic amino acid peptides.
Topics: Chemical Phenomena; Chemistry; Dimethylformamide; Flavins; Fluorescence; Fluorometry; Peptides; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1969 |
Optical rotatory dispersion of human hemoglobins A, F, S, C, and M.
Topics: Chemical Phenomena; Chemistry; Fetal Hemoglobin; Genes; Heme; Hemoglobin C; Hemoglobins; Hemoglobins, Abnormal; Humans; Hydrogen-Ion Concentration; Methemoglobin; Optical Rotatory Dispersion; Oxidation-Reduction; Spectrophotometry; Temperature; Tryptophan; Tyrosine | 1969 |
[Alkaloids in the metabolism of plants].
Topics: Alkaloids; Dopamine; Indoles; Isoquinolines; Mevalonic Acid; ortho-Aminobenzoates; Papaver; Penicillium; Phenylalanine; Pipecolic Acids; Plants, Medicinal; Pregnenolone; Quinazolines; Sparteine; Terpenes; Tryptophan; Tyrosine | 1969 |
Fluorescence and absorption studies of the binding of copper and iron to transferrin.
Topics: Binding Sites; Chemical Phenomena; Chemistry; Copper; Energy Transfer; Fluorescence; Fluorometry; Humans; Iron; Protein Binding; Spectrophotometry; Transferrin; Tryptophan; Tyrosine; Ultraviolet Rays | 1969 |
Urinary amino acid patterns in simple and complicated bilharziasis.
Topics: Adolescent; Adult; Aged; Alanine; Amino Acids; Ascites; Chromatography, Paper; Cystinuria; Hepatomegaly; Humans; Liver Diseases; Male; Middle Aged; Schistosomiasis; Splenomegaly; Threonine; Tryptophan; Tyrosine | 1969 |
Synthetic inhibitors and ester substrates of pancreatic kallikrein.
Topics: Amidines; Amino Acids; Animals; Arginine; Chemical Phenomena; Chemistry; Esters; Indoleacetic Acids; Kallikreins; Keto Acids; Leucine; Methionine; Pancreas; Phenylalanine; Phenylpyruvic Acids; Pyruvates; Swine; Trypsin Inhibitors; Tryptamines; Tryptophan; Tyrosine | 1969 |
Separation of phenylalanine, tyrosine and trypotphan by chromatography on poly-N-vinyl pyrrolidone.
Topics: Chromatography; Phenylalanine; Povidone; Tryptophan; Tyrosine | 1969 |
Investigations of the chymotrypsin-catalyzed hydrolysis of specific substrates. IV. Pre-steady state kinetic approaches to the investigation of the catalytic hydrolysis of esters.
Topics: Acridines; Amides; Amino Acids; Chymotrypsin; Computers, Analog; Esters; Hydrogen-Ion Concentration; Kinetics; Methods; Nitrophenols; Oscillometry; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1969 |
Frameshift mutations resulting in the changes of the same amino acid residue (140) in T4 bacteriophage lysozyme and in vivo codons for Trp, Tyr, Met, Val and Ile.
Topics: Amino Acid Sequence; Chromatography; Chymotrypsin; Coliphages; Genetic Code; Isoleucine; Methionine; Molecular Biology; Muramidase; Mutation; Trypsin; Tryptophan; Tyrosine; Valine | 1969 |
Comparative studies on the states of amino acid residues in porcine and bovine trypsins.
Topics: Aldehydes; Amino Acids; Animals; Arginine; Azoles; Cattle; Chemical Phenomena; Chemistry; Cyanides; Dioxins; Fluorides; Glyoxylates; Histidine; Hydrogen Peroxide; Indicators and Reagents; Quinones; Spectrophotometry; Sulfonic Acids; Swine; Tetrazolium Salts; Trypsin; Tryptophan; Tyrosine | 1969 |
Crystalline 3-phosphoglycerate kinase from skeletal muscle.
Topics: Animals; Chromatography; Crystallization; Methods; Molecular Weight; Muscles; Phosphoglycerate Kinase; Rabbits; Swine; Tryptophan; Tyrosine | 1969 |
[Studies on the amino acid composition of some African legumes].
Topics: Amino Acids; Arginine; Aspartic Acid; Canavanine; Chromatography; Cystine; Food Analysis; Glutamine; Glycine; Histidine; Hot Temperature; Isoleucine; Leucine; Lysine; Methionine; Methods; Phenylalanine; Plants, Edible; Proline; Proteins; Serine; Threonine; Tryptophan; Tyrosine; Valine; Vegetables | 1969 |
Photodynamic action of porphyrins on amino acids and proteins. I. Selective photooxidation of methionine in Aqueous solution.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Chlorophyll; Hematoporphyrins; Heme; Histidine; Hydrogen-Ion Concentration; Kinetics; Light; Magnesium; Methionine; Micrococcus; Muramidase; Oxidation-Reduction; Porphyrins; Radiation Effects; Spectrophotometry; Time Factors; Tryptophan; Tyrosine; Water | 1969 |
Studies concerning the biochemical genetics and physiology of activity and allosteric inhibition mutants of Neurospora crassa 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase.
Topics: Aldehyde-Lyases; Binding Sites; Carbohydrates; Chromatography, Gel; Chromosome Mapping; Depression, Chemical; Feedback; Genes; Genetic Code; Genetics, Microbial; Isoenzymes; Mutation; Neurospora; Peptides; Phenylalanine; Polysaccharides; Tryptophan; Tyrosine | 1969 |
The formation of oxalic acid from the side chain of aromatic amino acids in the rat.
Topics: Alanine; Amino Acid Oxidoreductases; Animals; Carbon Dioxide; Carbon Isotopes; Chemical Phenomena; Chemistry; Hippurates; Male; Oxalates; Phenylalanine; Rats; Snakes; Tryptophan; Tyrosine; Venoms | 1969 |
Histones in early embryogenesis.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Chemical Phenomena; Chemistry; Echinodermata; Electrophoresis; Embryo, Nonmammalian; Fishes; Gels; Genetic Code; Glutamates; Glycine; Histidine; Histones; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proline; RNA; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1969 |
States of amino acid residues in proteins. XVII. Tyrosine, histidine and tryptophan residues in bovine trypsin in the presence and absence of benzamidine.
Topics: Amidines; Animals; Caseins; Cattle; Diazonium Compounds; Dioxins; Fluorides; Histidine; Hydrogen Peroxide; Hydrogen-Ion Concentration; Indicators and Reagents; Oxidation-Reduction; Proteins; Spectrophotometry; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine | 1969 |
Purification of antibodies against Newcastle disease virus (NDV) from chicken egg yolk and serum.
Topics: Animals; Antibodies; Antigens; Blood Proteins; Chickens; Egg Yolk; Electrophoresis; Female; Hemagglutination Inhibition Tests; Hydrogen-Ion Concentration; Neutralization Tests; Newcastle disease virus; Proteins; Spectrum Analysis; Tryptophan; Tyrosine; Ultracentrifugation | 1969 |
[Structure of peptides isolated from chymotrypsin hydrolysates of horse myoglobin].
Topics: Amino Acid Sequence; Amino Acids; Animals; Arginine; Carboxypeptidases; Chromatography, Gel; Chymotrypsin; Dinitrophenols; Histidine; Horses; Leucyl Aminopeptidase; Methionine; Myoglobin; Peptides; Phenylalanine; Tryptophan; Tyrosine | 1969 |
Role of bivalent cations in the phosphoglucomutase system. II. Metal ion binding and the structure of binary enzyme-metal complexes.
Topics: Animals; Cadmium; Cobalt; Deuterium; Dimethyl Sulfoxide; Glycols; Guanidines; Magnesium; Manganese; Nickel; Phosphoglucomutase; Propylene Glycols; Protein Binding; Rabbits; Solvents; Spectrophotometry; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays; Zinc | 1969 |
On the unit-cell dimensions and space group of L-tyrosine and L-tryptophane.
Topics: Crystallography; Tryptophan; Tyrosine | 1969 |
A comparison of the effects of ultraviolet and ionizing radiations on trypsin activity and on its constituent amino acids.
Topics: Amino Acids; Cobalt Isotopes; Cystine; Electrons; Energy Transfer; Histidine; Methionine; Radiation Effects; Radiometry; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
Conformational states of native and denatured phosphoglucose isomerase. II. Ultraviolet difference spectroscopy.
Topics: Amino Acids; Animals; Chemical Phenomena; Chemistry; Detergents; Glucose-6-Phosphate Isomerase; Glycols; Histidine; Hydrogen-Ion Concentration; Muscles; Protein Denaturation; Rabbits; Spectrophotometry; Sulfates; Sulfhydryl Compounds; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
Observations on the Folin-Ciocalteu reaction.
Topics: Indicators and Reagents; Methods; Tryptophan; Tyrosine | 1969 |
Lack of abnormality in brain aromatic amines in rats and mice susceptible to audiogenic seizure.
Topics: Acetylcholinesterase; Acyltransferases; Amines; Animals; Brain; Carbon Isotopes; Catecholamines; Dopamine; Enzymes; Fluorometry; Histamine; Mice; Mixed Function Oxygenases; Noise; Norepinephrine; Rats; Seizures; Serotonin; Thiosemicarbazones; Tryptophan; Tyrosine | 1969 |
[On the role of photoproducts of tyrosine and tryptophan in the origin of actinic carcinoma in the white mouse].
Topics: Animals; Mice; Neoplasms, Experimental; Sarcoma, Experimental; Tryptophan; Tyrosine; Ultraviolet Rays | 1963 |
The formation and metabolism of phenyl-substituted fatty acids in the ruminant.
Topics: Animals; Benzoates; Carbon Isotopes; Chromatography, Gas; Fatty Acids; In Vitro Techniques; Intestinal Mucosa; Kidney; Liver; Phenylacetates; Phenylalanine; Propionates; Rumen; Sheep; Tryptophan; Tyrosine; Urine | 1964 |
Transamination in plants. The specificity of an aminotransferase from mung bean.
Topics: Amino Acids; Arginine; Dihydroxyphenylalanine; Glutamine; In Vitro Techniques; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Plants, Edible; Transaminases; Tryptophan; Tyrosine | 1965 |
Inhibitors of purified beef adrenal tyrosine hydroxylase.
Topics: Adrenal Glands; Amino Acids; Animals; Catechols; Cattle; Diiodotyrosine; Enzymes; In Vitro Techniques; Kinetics; Methyltyrosines; Mixed Function Oxygenases; Phenylalanine; Tryptophan; Tyrosine | 1965 |
States of amino acid residues in proteins. 8. Tyrosine, histidine and tryptophan residues in chymotrypsin in the presence of substrate and in diisopropylphosphorylchymotrypsin.
Topics: Chemical Phenomena; Chemistry; Chymotrypsin; Glycine; Histidine; Hydrogen Peroxide; Hydrogen-Ion Concentration; Isoflurophate; Tryptophan; Tyrosine | 1965 |
Conformational changes associated with polymerization and nucleotide binding in actin molecules.
Topics: Absorption; Adenine Nucleotides; Centrifugation; Chemical Phenomena; Chemistry; Chromatography, Paper; Guanidines; In Vitro Techniques; Muscle Proteins; Polymers; Spectrophotometry; Sucrose; Tryptophan; Tyrosine | 1965 |
Effect of temperature on x-ray--induced light emission from powders of amino acids and trypsin.
Topics: Fluorescence; Luminescent Measurements; Phenylalanine; Powders; Radiation Effects; Radiochemistry; Temperature; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1965 |
[On the photodynamic effect of some derivatives of heterocyclic and aromatic combinations, formed under ultrasonic effect].
Topics: Cytosine; Saccharomyces; Tryptophan; Tyrosine; Ultrasonics | 1965 |
[Influence of carcinogenous N-nitroso-morpholine on induction of tryptophan-oxygenase and tyrosine-2-oxoglutarate-transaminase in rat liver].
Topics: Animals; Dactinomycin; Liver; Liver Neoplasms; Morpholines; Oxidoreductases; Rats; Sarcoma, Experimental; Transaminases; Tryptophan; Tyrosine | 1965 |
[Further histochemical observations on the exocrine pancreas of rats exposed to prolonged fasting].
Topics: Animals; Fasting; Pancreas; Rats; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1965 |
[Biochemical and analytical bases of the exploration of phenylalanine metabolism].
Topics: Humans; Intellectual Disability; Metabolism, Inborn Errors; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1964 |
Labelling of beta-lipoprotein with tritium.
Topics: Acetates; Cholesterol; Immunoelectrophoresis; In Vitro Techniques; Indicators and Reagents; Lipoproteins; Methionine; Phenylalanine; Serine; Tritium; Tryptophan; Tyrosine | 1965 |
Ultra-violet absorption spectra of haemoglobins from various vertebrates.
Topics: Animals; Artiodactyla; Birds; Dogs; Guinea Pigs; Hemoglobins; In Vitro Techniques; Phenylalanine; Rabbits; Rats; Sheep; Spectrophotometry; Swine; Tryptophan; Tyrosine; Ultraviolet Rays | 1965 |
Regulation of amino acid accumulation in isolated rat diagphragm: effect of puromycin and insulin.
Topics: Alanine; Amino Acids; Animals; Arginine; Carbon Isotopes; Cystine; Diaphragm; Histidine; In Vitro Techniques; Insulin; Isoleucine; Leucine; Male; Muscles; Phenylalanine; Proteins; Puromycin; Rats; Serine; Tryptophan; Tyrosine | 1965 |
Some experiments in the chemistry of normal sleep.
Topics: Arousal; Attention; Brain; Electroencephalography; Eye Movements; Humans; Methionine; Methyldopa; Methysergide; Serotonin; Sleep; Tryptophan; Tyrosine; Urine | 1966 |
Iodination of the normal and buried tyrosyl residues of lysozyme. II. Spectrophotometric analysis.
Topics: Chemical Phenomena; Chemistry; Chromatography; Iodine; Muramidase; Spectrophotometry; Tryptophan; Tyrosine | 1966 |
The spatial location of chromophoric residues in L-glutamate dehydrogenase.
Topics: Chemical Phenomena; Chemistry, Physical; Deuterium; Glucose; Glutamate Dehydrogenase; Glycerol; Glycols; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1966 |
The optical rotatory dispersion of aromatic amino acids and the side chain-dependent Cotton effects in proteins.
Topics: Chemical Phenomena; Chemistry, Physical; Phenylalanine; Proteins; Tryptophan; Tyrosine | 1966 |
The properties of bovine growth hormone. 3. Behavior in alkaline solution.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry, Physical; Fluorescence; Growth Hormone; Hydrogen-Ion Concentration; Molecular Weight; Solutions; Tryptophan; Tyrosine; Ultracentrifugation; Urea | 1966 |
L-tryptophan metabolism in phenylketonuria.
Topics: Adolescent; Adult; Blood Chemical Analysis; Child; Child, Preschool; Chromatography; Diet; Feces; Female; Humans; Infant; Male; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine; Urine | 1966 |
Studies on the metabolism of larval tapeworms (Cyclophyllidea: Taenia crassiceps). I. Amino acid composition before and after in vitro culture.
Topics: Amino Acids; Animals; Arginine; Body Fluids; Chromatography, Paper; In Vitro Techniques; Mice; Peritoneal Cavity; Taenia; Threonine; Tissue Extracts; Tryptophan; Tyrosine | 1966 |
Some characteristics of amino acid transport in frog ovarian oocytes.
Topics: Animals; Anura; Biological Transport; Carbon Isotopes; Cell Membrane Permeability; Female; In Vitro Techniques; Kinetics; Leucine; Ovum; Phenylalanine; Tryptophan; Tyrosine | 1966 |
Quantitative microspectrophotometric analysis of nucleic acids in concentrated solutions, in solid droplets and in lymphocytes.
Topics: Animals; Cattle; DNA; Lymphocytes; Mice; Phenylalanine; RNA; Solutions; Spectrophotometry; Tryptophan; Tyrosine | 1966 |
Allergens from common rye grass pollen (Lolium perenne). I. Chemical composition and structure.
Topics: Allergens; Amino Acids; Arginine; Chromatography, Paper; Cystine; Electrophoresis; Histidine; Molecular Weight; Poaceae; Pollen; Tryptophan; Tyrosine | 1966 |
On the nature of tyrosine phosphorescence from proteins.
Topics: Chemical Phenomena; Chemistry, Physical; Chymotrypsin; Luminescent Measurements; Oxygenases; Proteins; Ribonucleases; Spectrum Analysis; Tryptophan; Tyrosine | 1966 |
Polyamide layer chromatography of DNP-amino acids.
Topics: Alanine; Amides; Arginine; Aspartic Acid; Chromatography; Dinitrophenols; Glutamates; Glycine; Leucine; Lysine; Methionine; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1966 |
Role of the carboxyl group in intestinal amino acid transport.
Topics: Acids; Adipates; Amino Acids; Animals; Biological Transport, Active; Cricetinae; Glutamates; Glycine; In Vitro Techniques; Intestine, Small; Phenylalanine; Pimelic Acids; Sulfinic Acids; Sulfonic Acids; Tryptophan; Tyrosine | 1966 |
Studies on amino acid substitution in the biosynthesis of the antibiotic polypeptide tyrocidine.
Topics: Anti-Bacterial Agents; Bacillus; Chromatography; Countercurrent Distribution; Dialysis; Leucine; Peptide Biosynthesis; Tryptophan; Tyrosine | 1966 |
Influence of cortisone on the substrate-induction of enzymes in rat liver.
Topics: Adrenalectomy; Animals; Cortisone; Dactinomycin; Liver; Oxygenases; Rats; RNA, Messenger; Transaminases; Tryptophan; Tryptophan Oxygenase; Tyrosine | 1966 |
Tyrosine and tryptophan in cytochrome.
Topics: Chemical Phenomena; Chemistry, Physical; Cytochromes; Imidazoles; Pyrrolidinones; Tryptophan; Tyrosine | 1966 |
The alteration in the reactivity of the tyrosine and tryptophan groups of trypsin upon combination with protein inhibitors.
Topics: Catalysis; Chemical Phenomena; Chemistry; Iodine; Mucoproteins; Pyrrolidinones; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine | 1966 |
Purification of a neurotoxin from the venom of Naja nigricollis.
Topics: Amino Acids; Animals; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis; Immunoelectrophoresis; Mice; Molecular Weight; Snakes; Spectrophotometry; Tryptophan; Tyrosine; Venoms | 1966 |
Tryptophan: a feedback activator for chorismate mutase from Neurospora.
Topics: Enzymes; Feedback; Kinetics; Ligases; Neurospora; Phenylalanine; Phosphotransferases; Tryptophan; Tyrosine | 1966 |
Genetic control of the uptake of amino acids in Neurospora.
Topics: Amino Acids; Arginine; Cysteine; Enzyme Repression; Enzymes; Genes; Histidine; Leucine; Lysine; Methionine; Mutation; Neurospora; Phenylalanine; Tryptophan; Tyrosine; Valine | 1966 |
[Isolation and characterization of a chloramphenicol-destroying bacterium].
Topics: Carbon; Chloramphenicol; Flavobacterium; Nitrogen; Peptones; Phenylalanine; Soil Microbiology; Tryptophan; Tyrosine; Yeasts | 1966 |
[The N-alpha-acetyl-methylamide of lysine, histidine, serine, tyrosine, cystine and tryptophan].
Topics: Chemical Phenomena; Chemistry; Cystine; Histidine; Lysine; Peptides; Serine; Tryptophan; Tyrosine | 1966 |
[Comparative data on the cytochemical characteristics of the visual cortex of the brain in squirrels and rats].
Topics: Amides; Amino Acids; Animals; Histidine; Histocytochemistry; Neural Analyzers; Proteins; Rats; Sciuridae; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1966 |
[Quantum yields of photochemical reactions of tyrosine and tryptophan in solutions].
Topics: Ethanol; Glycine; Hydrogen-Ion Concentration; Light; Luminescence; Oxidation-Reduction; Oxygen; Quantum Theory; Radiation Effects; Sodium Chloride; Tryptophan; Tyrosine | 1966 |
[The influence of certain humoral factors on the rate of food reactions in the fish].
Topics: Alanine; Amino Acids; Animals; Aspartic Acid; Citrates; Feeding Behavior; Fishes; Glucose; Histidine; Leucine; Tryptophan; Tyrosine; Valine | 1966 |
[The effect of gases on the thermoluminescence and prolonged postluminescence of frozen solutions of proteins and aromatic amino acids irradiated with ultraviolet rays].
Topics: Air; Argon; Chymotrypsin; Fluorescence; Freezing; Gases; Hot Temperature; Radiation Effects; Solutions; Tryptophan; Tyrosine; Ultraviolet Rays | 1966 |
[The effect of preliminary short wave ultraviolet irradiation on the luminescence of certain biological objects stimulated by long wave ultraviolet irradiation].
Topics: Amino Acids; Animals; Blood; Cartilage; Cattle; Fluorescence; Glycerol; Humans; Male; Microscopy, Fluorescence; Phenylalanine; Radiation Effects; Tryptophan; Tyrosine; Ultraviolet Rays | 1966 |
[A study of the initial photochemical processes in proteins. IV. Luminescence spectra of initial and final photoproducts of aromatic amino acids and proteins].
Topics: Amino Acids; Fluorescence; Hot Temperature; Hydrogen-Ion Concentration; Indoles; Phenylalanine; Propionates; Proteins; Ribonucleases; Spectrum Analysis; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1966 |
[Chromatographic investigation of free amino acids of the heart, kidneys and brain in experimental myocarditis].
Topics: Alanine; Amino Acids; Animals; Arginine; Asparagine; Brain; Chromatography, Paper; Cystine; Glutamine; Glycine; Histidine; Kidney; Lysine; Methionine; Myocarditis; Myocardium; Phenylalanine; Rabbits; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1966 |
Accessibility and structural function of particular amino acid residues of soy bean trypsin inhibition.
Topics: Chemical Phenomena; Chemistry; Cystine; Electrophoresis; Glycine max; Guanidines; Histidine; Hydrogen Peroxide; Lysine; Pyrrolidinones; Trypsin Inhibitors; Tryptophan; Tyrosine; Urea | 1966 |
Tryptophan deficiency in rabbit reticulocytes: polyribosomes during interrupted growth of hemoglobin chains.
Topics: Animals; Deficiency Diseases; Hemoglobins; Histidine; Leucine; Lysine; Phenylalanine; Rabbits; Reticulocytes; Ribosomes; Serine; Tryptophan; Tyrosine; Valine | 1967 |
The "free" and "buried" tryptophan and tyrosine residues of human plasma alpha 1-acid glycoprotein.
Topics: Bromides; Ethanol; Glycoproteins; Humans; Imidazoles; Indicators and Reagents; Tryptophan; Tyrosine | 1967 |
Rate constants of hydrated electron reactions with peptides and proteins.
Topics: Alanine; Albumins; Asparagine; Electrons; Gelatin; Glycine; Histidine; Hydrogen-Ion Concentration; Kinetics; Leucine; Molecular Weight; Muramidase; Peptides; Phenylalanine; Proline; Proteins; Ribonucleases; Tryptophan; Tyrosine; Valine | 1967 |
Further studies of amino acid transport by embryonic chick bone.
Topics: Alanine; Amino Acids; Aminoisobutyric Acids; Animals; Biological Transport, Active; Bone and Bones; Chick Embryo; Dactinomycin; Ethylmaleimide; Glycine; In Vitro Techniques; Isoleucine; Leucine; Methionine; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Amino acid esters as inhibitors of growth and of aminoacyl transfer ribonucleic acid synthetases in Euglena and Astasia.
Topics: Alanine; Amino Acids; Antimetabolites; Aspartic Acid; Cysteine; Esters; Euglena; Eukaryota; Glutamates; Hydrogen-Ion Concentration; Leucine; Ligases; Methionine; Phenylalanine; RNA, Transfer; Tryptophan; Tyrosine | 1967 |
Effect of pH on the phosphorescence of tryptophan, tyrosine, and proteins.
Topics: Chemical Phenomena; Chemistry, Physical; Hemoglobins; Hydrogen-Ion Concentration; Insulin; Luminescent Measurements; Myoglobin; Ovalbumin; Proteins; Serum Albumin; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1967 |
The activation of chick liver tyrosine transaminase in vitro.
Topics: Animals; Glutamates; Hydrocortisone; In Vitro Techniques; Injections, Intraperitoneal; Ketoglutaric Acids; Liver; Poultry; Pyridoxal Phosphate; Transaminases; Tryptophan; Tyrosine | 1967 |
Gas chromatography of volatile amino acid derivatives. 3. Aspartic acid, lysine, ornithine, tryptophan and tyrosine.
Topics: Aspartic Acid; Chromatography, Gas; Lysine; Ornithine; Silicones; Tryptophan; Tyrosine | 1967 |
A new developing solvent for paper chromatography of various phenolic compounds, sugars and amino acids.
Topics: Amino Acids; Anthocyanins; Arginine; Asparagine; Carbohydrates; Chromatography, Paper; Gallic Acid; Glutamates; Histidine; Indicators and Reagents; Leucine; Lysine; Methionine; Phenols; Phenylalanine; Phloroglucinol; Proline; Resorcinols; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Synthesis and properties of some N-pyridoxyl-L-amino acids and N-(5-phosphopyridoxyl)-L-amino acids.
Topics: Alanine; Aldehydes; Arginine; Aspartic Acid; Chemistry, Organic; Chromatography, Paper; Glutamates; Organic Chemistry Phenomena; Pyridines; Pyridoxal Phosphate; Pyrrolidinones; Serine; Tryptophan; Tyrosine | 1967 |
Optical rotatory dispersion of some aromatic amino acids and peptides.
Topics: Chemical Phenomena; Chemistry, Physical; Glycine; Peptides; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 1967 |
The possible role of thyroid aromatic amino acid decarboxylase in thyroxine biosynthesis.
Topics: Animals; Carbon Isotopes; Carboxy-Lyases; Cattle; Diiodotyrosine; Histidine; In Vitro Techniques; Phenylalanine; Pyridoxal Phosphate; Thyroid Gland; Thyroxine; Tryptophan; Tyrosine | 1967 |
Protection of tryptophan during cleavage of tyrosine peptide bonds by N-bromosuccinimide.
Topics: Chemical Phenomena; Chemistry; Peptides; Pyrrolidinones; Tryptophan; Tyrosine | 1967 |
Fluorometric and spectrophotometric study of heme binding on the apoprotein from a cytochrome b-2-derivative.
Topics: Coenzymes; Cytochromes; Flavins; Fluorometry; Heme; L-Lactate Dehydrogenase; Protein Binding; Spectrophotometry; Trypsin; Tryptophan; Tyrosine; Urea | 1967 |
5-hydroxyindole metabolism in the brain after hepatectomy.
Topics: Animals; Brain; Carbon Isotopes; Dogs; Electrophoresis; Hepatectomy; Hydroxyindoleacetic Acid; Indoles; Muscles; Myocardium; Rats; Serotonin; Tryptophan; Tyrosine | 1967 |
A comparison of the effect of dietary fat and carbohydrate on free amino acids in the blood plasma of chicks.
Topics: Amino Acids; Animals; Birds; Blood Glucose; Body Weight; Diet; Dietary Carbohydrates; Dietary Fats; Fats; Insulin; Leucine; Lysine; Methionine; Threonine; Tryptophan; Tyrosine | 1967 |
Fluorescence studies with tryptophyl peptides.
Topics: Chemical Phenomena; Chemistry, Physical; Energy Transfer; Ethanol; Fluorescence; Fluorometry; Hydrogen-Ion Concentration; Peptides; Tryptophan; Tyrosine | 1967 |
Spectroscopic determination of tryptophan and tyrosine in proteins.
Topics: Chymotrypsin; Guanidines; Hydrogen-Ion Concentration; Models, Chemical; Muramidase; Myoglobin; Proteins; Ribonucleases; Spectrophotometry; Trypsinogen; Tryptophan; Tyrosine | 1967 |
Intra- and intermolecular factors affecting the excited states of aromatic amino acids.
Topics: Acetates; Amides; Cinnamates; Energy Transfer; Fluorescence; Hydrochloric Acid; Hydrogen-Ion Concentration; Luminescent Measurements; Phenols; Phenylalanine; Sodium Chloride; Sodium Hydroxide; Spectrophotometry; Tryptophan; Tyramine; Tyrosine | 1967 |
Kinetic investigations of the alcohol release steps in the chymotrypsin-catalyzed hydrolysis of specific substrate esters.
Topics: Chemical Phenomena; Chemistry; Chymotrypsin; Hydrogen-Ion Concentration; Kinetics; Nitrophenols; Tryptophan; Tyrosine | 1967 |
Phenylalanine hydroxylase in tumor-bearing animals.
Topics: Adrenal Glands; Adrenalectomy; Animals; Carcinoma 256, Walker; Liver; Liver Regeneration; Male; Oxidoreductases; Phenylalanine; Rats; Sarcoma, Experimental; Tryptophan; Tyrosine | 1967 |
Phenylalanine hydroxylase activity in isolated, perfused liver of rats bearing rhodamine sarcoma, hepatoma, and nodular hyperplasia.
Topics: Animals; Carcinoma 256, Walker; Hyperplasia; In Vitro Techniques; Liver; Liver Diseases; Liver Regeneration; Male; Oxidoreductases; Perfusion; Phenylalanine; Rats; Sarcoma, Experimental; Tryptophan; Tyrosine | 1967 |
[Specific non-enzymatic cleavage of polypeptide chains at the level of tyrosine].
Topics: Chemical Phenomena; Chemistry; Kynurenine; Ozone; Peptides; Pyrrolidines; Spectrophotometry; Tryptophan; Tyrosine | 1967 |
A histochemical study of the effect of endocrine alteration upon the submandibular gland of the golden hamster (Cricetus auratus).
Topics: Animals; Cricetinae; Estradiol; Histocytochemistry; Hypophysectomy; Submandibular Gland; Testosterone; Tryptophan; Tyrosine | 1967 |
Effect of mercuric salts on the ultraviolet spectra of aromatic amino acids and proteins.
Topics: Amino Acids; Binding Sites; Chemical Phenomena; Chemistry, Physical; Lactoglobulins; Mercury; Organometallic Compounds; Ovalbumin; Protein Binding; Proteins; Ribonucleases; Serum Albumin; Spectrophotometry; Tryptophan; Tyrosine | 1967 |
Excitation, dissipative, and emissive mechanisms in biochemicals.
Topics: Absorption; Electrons; Fluorescence; Phenylalanine; Quantum Theory; Radiation Effects; Spectrum Analysis; Temperature; Trypsin; Tryptophan; Tyrosine | 1967 |
[Regulation of the biosynthesis of aromatic amino acids in Saccharomyces cerevisiae. 2. Repression, induction and activation].
Topics: Enzyme Induction; Enzyme Repression; Hydro-Lyases; Isomerases; Ligases; Phenylalanine; Saccharomyces; Tryptophan; Tyrosine | 1967 |
Enzymatic determination of pyridoxal phosphate in plasma by decarboxylation of L-tyrosine-14 C (U) and a comparison with the tryptophan load test.
Topics: Adult; Aged; Carbon Isotopes; Child; Chromatography, Paper; Clinical Enzyme Tests; Heparin; Humans; Methods; Pyridoxal Phosphate; Pyridoxine; Tryptophan; Tyramine; Tyrosine; Tyrosine Decarboxylase; Vitamin B Complex; Xanthurenates | 1967 |
Inhibition of brain tyrosine hydroxylase by 5-halotryptophans.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Halogens; Mixed Function Oxygenases; Norepinephrine; Rats; Tryptophan; Tyrosine | 1967 |
Chromatographic analysis of free amino acids of gastric juice in patients with cancer and other stomach diseases.
Topics: Adult; Alanine; Amino Acids; Arginine; Aspartic Acid; Chromatography; Cystine; Duodenal Ulcer; Female; Gastric Juice; Glutamates; Histidine; Humans; Leucine; Lysine; Male; Methionine; Ornithine; Phenylalanine; Polyps; Stomach Diseases; Stomach Neoplasms; Stomach Ulcer; Threonine; Tryptophan; Tyrosine; Valine | 1967 |
Yield of luminescence from x-irradiated biochemicals.
Topics: Amino Acids; Enzymes; Luminescent Measurements; Muramidase; Phenylalanine; Radiation Effects; Radiochemistry; Radiometry; Ribonucleases; Spectrum Analysis; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1967 |
The effect of phenylalanine administration on the activities of phenylalanine hydroxylase, some aminotransferases and decarboxylases in adult rats.
Topics: Animals; Brain; Carboxy-Lyases; Chromatography, Paper; Dopa Decarboxylase; Female; Humans; Injections, Intraperitoneal; Kidney; Liver; Male; Mixed Function Oxygenases; Phenylalanine; Phenylketonurias; Rats; Transaminases; Tryptophan; Tyrosine | 1967 |
Dietary induction of hyperphenylalaninemia in the rat.
Topics: Animals; Body Weight; Diet; Female; Growth; Humans; Liver; Mortality; Oxidoreductases; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy, Animal; Rats; Tryptophan; Tyrosine | 1967 |
The structural environment of the tryptophanyl residue of horse heart ferricytochrome c.
Topics: Amino Acids; Animals; Cytochromes; Heme; Horses; Hydrogen-Ion Concentration; Methionine; Myocardium; Oxidation-Reduction; Spectrophotometry; Tryptophan; Tyrosine; Viscosity | 1967 |
Prevention of cleavage next to tryptophan residues during the oxidative splitting by N-bromosuccinimide of tryosyl peptide bonds in proteins.
Topics: Amino Acids; Animals; Chemical Phenomena; Chemistry; Chickens; Egg White; Globins; Hemoglobins; Humans; Imides; Muramidase; Oxidation-Reduction; Peptides; Proteins; Pyrrolidinones; Spectrophotometry; Tryptophan; Tyrosine | 1967 |
On the luminescence of L-tryptophane and L-tyrosine in aqueous solution at 77 degrees K induced by x-rays and U.V.-light.
Topics: Luminescence; Radiation; Tryptophan; Tyrosine; Ultraviolet Rays | 1967 |
Selective alteration by triiodothyronine of amino acid transport in embryonic bone.
Topics: Amino Acids; Animals; Biological Transport; Bone and Bones; Chick Embryo; Glycine; Histidine; Leucine; Methionine; Phenylalanine; Triiodothyronine; Tryptophan; Tyrosine; Valine | 1967 |
Reaction of N-bromosuccinimide with lysozyme.
Topics: Amino Acids; Autoanalysis; Bromine; Chemical Phenomena; Chemistry; Chemistry, Physical; Histidine; Hydrogen-Ion Concentration; Muramidase; Oxidation-Reduction; Pyrrolidinones; Spectrophotometry; Tryptophan; Tyrosine; Viscosity | 1967 |
Beta-adrenergic influence on brain concentrations of monoamine precursors.
Topics: Amino Acids; Animals; Brain Chemistry; Epinephrine; Isoproterenol; Levodopa; Male; Norepinephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; Tryptophan; Tyrosine | 1984 |
Managanese-induced biochemical changes in growing versus adult rats.
Topics: Aging; Animals; Biogenic Amines; Body Weight; Brain Chemistry; Liver; Male; Manganese; Metals; Neurotransmitter Agents; Rats; Tryptophan; Tyrosine | 1980 |
Nutrients and neurotransmitters.
Topics: Acetylcholine; Animals; Brain; Catecholamines; Choline; Diet; Humans; Neurons; Neurotransmitter Agents; Nutritional Physiological Phenomena; Serotonin; Tryptophan; Tyrosine | 1980 |
Regulatory control of 3-deoxy-D-arabino-heptulosonic acid 7-phosphate synthetase in Streptomyces antibioticus.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aldehyde-Lyases; Chorismic Acid; Enzyme Repression; Hydrogen-Ion Concentration; Kinetics; Phenylalanine; Streptomyces; Streptomyces antibioticus; Tryptophan; Tyrosine | 1980 |
Plasma neutral amino acid ratios in normal man and in patients with hepatic encephalopathy: correlations with self-selected protein and energy consumption.
Topics: Adolescent; Adult; Amino Acids; Amino Acids, Branched-Chain; Diet; Diet, Vegetarian; Dietary Proteins; Energy Intake; Feeding Behavior; Female; Hepatic Encephalopathy; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Neurotransmitter Agents; Tryptophan; Tyrosine | 1981 |
Precursor control of neurotransmitter synthesis.
Topics: Behavior; Choline; Feedback; Humans; Nervous System Diseases; Neurons; Neurotransmitter Agents; Phosphatidylcholines; Synapses; Synaptic Transmission; Tryptophan; Tyrosine | 1980 |
Effect of enzyme concentration on regulation of dissociable chorismate mutase in Brevibacterium flavum.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Brevibacterium; Chorismate Mutase; Feedback; Isomerases; Kinetics; Molecular Weight; Phenylalanine; Polyethylene Glycols; Potassium Chloride; Tryptophan; Tyrosine | 1981 |
Optical studies on the specific interaction of dipyridamole with alpha 1-acid glycoprotein (orosomucoid).
Topics: Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Dialysis; Dipyridamole; Humans; In Vitro Techniques; Orosomucoid; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1982 |
Nutrients that modify brain function.
Topics: Animals; Blood Pressure; Blood-Brain Barrier; Brain; Chemical Phenomena; Chemistry; Choline; Diet; Humans; Memory; Neurotransmitter Agents; Phosphatidylcholines; Rodentia; Serotonin; Tryptophan; Tyrosine | 1982 |
Secretion and secretory cycle of tegumentary serous glands in Pleurodeles waltlii Mich.
Topics: Animals; Cytoplasmic Granules; Phenols; Pleurodeles; Proteins; Salamandridae; Secretory Rate; Skin; Thiamine Pyrophosphatase; Tryptophan; Tyrosine | 1982 |
Neurotransmitter precursors and brain function.
Topics: Animals; Blood Pressure; Brain; Choline; Humans; Mental Disorders; Neurons; Neurotransmitter Agents; Synaptic Transmission; Tryptophan; Tyrosine | 1982 |
[Problems of protein supply in patients with liver cirrhosis].
Topics: Ammonia; Hepatic Encephalopathy; Humans; Liver Cirrhosis; Methionine; Neurotransmitter Agents; Parenteral Nutrition; Phenylalanine; Proteins; Tryptophan; Tyrosine; Urea | 1982 |
[Inhibition of L-tyrosine transport in isolated synaptosomes from rat brain in the presence of L-tryptophan and L-phenylalanine].
Topics: Animals; Binding, Competitive; Biological Transport, Active; Brain; Carrier Proteins; Female; Male; Neurotransmitter Agents; Phenylalanine; Rats; Rats, Inbred Strains; Synaptosomes; Tryptophan; Tyrosine | 1982 |
Regulation of hepatic tyrosine aminotransferase in genetically obese rats.
Topics: Adrenalectomy; Aging; Amino Acids; Animals; Corticosterone; Diet; Disease Models, Animal; Enzyme Activation; Insulin; Liver; Obesity; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1983 |
Nutrient control of brain neurotransmitter synthesis and function.
Topics: Animals; Behavior; Brain; Choline; Humans; Iron Deficiencies; Minerals; Neurotransmitter Agents; Nutritional Physiological Phenomena; Tryptophan; Tyrosine; Vitamins | 1983 |
Behavioural effects of nutrients.
Topics: Amino Acids; Appetite Regulation; Behavior; Brain; Brain Chemistry; Dietary Carbohydrates; Dietary Proteins; Double-Blind Method; Food; Humans; Serotonin; Tryptophan; Tyrosine | 1983 |
Glutamine inhibits the accumulation and hydroxylation of tryptophan in rat striatal synaptosomes.
Topics: Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Female; Glutamine; Kinetics; Rats; Synaptosomes; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1983 |
Precursor loading for monoamines in neurological disease.
Topics: Acetylcholine; Amino Acids, Essential; Brain; Choline; Diet; Humans; Narcotics; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1983 |
Abnormal amino acid concentrations in plasma and urine of experimentally diabetic dogs.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Arginine; Diabetes Mellitus, Experimental; Dogs; Female; Glutamates; Glutamic Acid; Histidine; Male; Phenylalanine; Renal Aminoacidurias; Tryptophan; Tyrosine | 1983 |
A pair of regulatory isozymes for 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase is conserved within group I pseudomonads.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aldehyde-Lyases; Biological Evolution; Isoenzymes; Pseudomonas; Pseudomonas aeruginosa; Pseudomonas fluorescens; Species Specificity; Tryptophan; Tyrosine | 1983 |
Impact of isozymes upon partitioning of carbon flow and regulation of aromatic biosynthesis in prokaryotes.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Bacteria; Chorismate Mutase; Cyanobacteria; Genes; Genes, Bacterial; Genes, Regulator; Isoenzymes; Mutation; Phenylalanine; Pseudomonas; Pseudomonas aeruginosa; Transaminases; Tryptophan; Tyrosine | 1983 |
Simultaneous measurement of tyrosine, tryptophan and related monoamines for determination of neurotransmitter turnover in discrete rat brain regions by liquid chromatography with electrochemical detection.
Topics: Animals; Biogenic Amines; Brain Chemistry; Chromatography, Liquid; Electrochemistry; Male; Neurotransmitter Agents; Rats; Serotonin; Tryptophan; Tyrosine | 1984 |
Differences in properties between aromatic amino acid: aromatic keto acid aminotransferases and aromatic amino acid: alpha-ketoglutarate aminotransferases.
Topics: Animals; Dihydroxyphenylalanine; Ketoglutaric Acids; Liver; Male; Phenylpyruvic Acids; Rats; Rats, Inbred Strains; Transaminases; Tryptophan; Tryptophan Transaminase; Tyrosine; Tyrosine Transaminase | 1984 |
Induction of tyrosine aminotransferase under the influence of D-galactosamine.
Topics: Animals; Enzyme Induction; Galactosamine; Hydrocortisone; Kinetics; Liver; Methionine; Niacinamide; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1984 |
The distribution and metabolism of L-tryptophan in healthy probands under dietary conditions.
Topics: Adult; Blood Platelets; Catecholamines; Diet; Female; Humans; Hydroxyindoleacetic Acid; Male; Serotonin; Tissue Distribution; Tryptophan; Tyrosine | 1980 |
Small-volume electrochemical detector for microcolumn liquid chromatography.
Topics: Chromatography, Liquid; Electrochemistry; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mathematics; Methoxyhydroxyphenylglycol; Microchemistry; Phenylacetates; Tryptophan; Tyrosine; Vanillic Acid | 1980 |
Chemical modifications of riboflavin-binding protein: effects on function and antigenicity.
Topics: Acetamides; Antigens; Binding Sites; Carrier Proteins; Dinitrobenzenes; Epitopes; Glycoproteins; Immunodiffusion; Maleates; Nitrates; Protein Binding; Riboflavin; Succinates; Tryptophan; Tyrosine | 1980 |
Substances related to 5-hydroxytryptamine in plasma and in lumbar and ventricular fluids of psychiatric patients.
Topics: Adult; Affective Symptoms; Cerebral Ventricles; Depression; Fatty Acids, Nonesterified; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Serotonin; Tryptophan; Tyrosine | 1980 |
Effect of microheterogeneity on the structure and function of the myelin basic protein.
Topics: Amino Acids; Animals; Cattle; Energy Transfer; Lipid Metabolism; Myelin Basic Protein; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Tryptophan; Tyrosine | 1980 |
Long lasting effects of intrauterine growth retardation of 5-HT metabolism in the brain of developing rats.
Topics: Animals; Brain; Dopamine; Female; Fetal Growth Retardation; Hydroxyindoleacetic Acid; Maternal-Fetal Exchange; Norepinephrine; Pregnancy; Rats; Serotonin; Tryptophan; Tyrosine | 1981 |
Phosphorescence studies of the interaction of myelin basic protein with phosphatidylserine vesicles.
Topics: Animals; Brain; Kinetics; Luminescent Measurements; Myelin Basic Protein; Phosphatidylserines; Protein Binding; Protein Conformation; Rats; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1981 |
Simultaneous determination of 3,4-dihydroxyphenylalanine, 5-hydroxytryptophan, dopamine, 4-hydroxy-3-methoxyphenylalanine, norepinephrine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, serotonin, and 5-hydroxyindoleacetic acid in rat cerebrospinal fl
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methyltyrosines; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1982 |
Monoamine concentrations in the human brain. A comparison between two methods of tissue handling.
Topics: Aged; Brain; Caudate Nucleus; Dopamine; Humans; Hydroxyindoleacetic Acid; Medulla Oblongata; Middle Aged; Neurotransmitter Agents; Norepinephrine; Serotonin; Specimen Handling; Thalamus; Tryptophan; Tyrosine | 1982 |
Brain transmitter precursors and metabolites in diabetic ketoacidosis.
Topics: Adult; Blood Glucose; Brain; Diabetes Mellitus; Diabetic Ketoacidosis; Dopamine; Fatty Acids, Nonesterified; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1982 |
Acid metabolites and precursor amino acids of 5-hydroxytryptamine and dopamine in affective and other psychiatric disorders.
Topics: Adjustment Disorders; Adult; Aged; Amino Acids; Bipolar Disorder; Depressive Disorder; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mental Disorders; Middle Aged; Probenecid; Protein Precursors; Psychomotor Agitation; Psychotic Disorders; Serotonin; Tryptophan; Tyrosine | 1983 |
Sensitivity of tryptophan, tyrosine and phenylalanine mutants of Saccharomyces cerevisiae to phenethyl alcohol.
Topics: Ethanol; Mutation; Phenylalanine; Phenylethyl Alcohol; Saccharomyces cerevisiae; Species Specificity; Tryptophan; Tyrosine | 1983 |
Hydrogen-deuterium exchange studies on guanidinated pig heart lactate dehydrogenase.
Topics: Animals; Arginine; Deuterium; Drug Stability; Homoarginine; Hot Temperature; Kinetics; L-Lactate Dehydrogenase; Lysine; Myocardium; Protein Conformation; Swine; Tryptophan; Tyrosine | 1983 |
Single-channel studies on linear gramicidins with altered amino acid sequences. A comparison of phenylalanine, tryptophane, and tyrosine substitutions at positions 1 and 11.
Topics: Amino Acid Sequence; Animals; Gramicidin; Ion Channels; Mathematics; Models, Biological; Models, Molecular; Phenylalanine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1984 |
Effect of brain monoamine precursors on stress-induced behavioral and neurochemical changes in aged mice.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aggression; Animals; Biogenic Amines; Brain; Caseins; Dietary Proteins; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mice; Motor Activity; Norepinephrine; Serotonin; Stress, Psychological; Tryptophan; Tyrosine | 1984 |
The effect of long-term ethanol maternal ingestion and withdrawal on brain regional monoamine and amino acid precursors in 15-day-old rats.
Topics: Alcoholism; Amino Acids; Animals; Biogenic Amines; Brain Chemistry; Catecholamines; Female; Humans; Hydroxyindoleacetic Acid; Maternal-Fetal Exchange; Pregnancy; Pregnancy Complications; Rats; Rats, Inbred Strains; Serotonin; Substance Withdrawal Syndrome; Time Factors; Tryptophan; Tyrosine | 1984 |
Neurotransmitters, precursors and metabolites in spinal cord and brain of Lewis rats with EAE.
Topics: Animals; Brain; Dopamine; Encephalomyelitis, Autoimmune, Experimental; Epinephrine; Homovanillic Acid; Hydroxyindoleacetic Acid; Neurotransmitter Agents; Norepinephrine; Rats; Rats, Inbred Lew; Serotonin; Spinal Cord; Tryptophan; Tyrosine | 1984 |
Cerebrospinal fluid measurements suggest precursor availability and sex are involved in the control of biogenic amine metabolism in a primate.
Topics: Animals; Biogenic Amines; Chlorocebus aethiops; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Sex Factors; Tryptophan; Tyrosine | 1984 |
Monoamine metabolites in human cerebrospinal fluid. HPLC/ED method.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; Chromatography, High Pressure Liquid; Depression; Dihydroxyphenylalanine; Electrochemistry; Glycols; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Subarachnoid Hemorrhage; Tryptophan; Tyrosine | 1984 |
Neurochemical and behavioral consequences of acute, uncontrollable stress: effects of dietary tyrosine.
Topics: Animals; Arousal; Blood-Brain Barrier; Brain; Helplessness, Learned; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Motor Activity; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Stress, Physiological; Tryptophan; Tyrosine; Valine | 1984 |
Determination of neurotransmitter systems in human cerebrospinal fluid and rat nervous tissue by high-performance liquid chromatography with on-line data evaluation.
Topics: Animals; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Electrochemistry; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Microcomputers; Nerve Tissue; Neurotransmitter Agents; Rats; Serotonin; Spectrometry, Fluorescence; Spinal Cord; Tryptophan; Tyrosine | 1984 |
CSF neurochemistry of women with anorexia nervosa and normal women.
Topics: Adolescent; Adult; Anorexia Nervosa; Body Weight; Calcium; Choline; Depressive Disorder; Female; gamma-Aminobutyric Acid; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Phenylacetates; Tryptophan; Tyrosine | 1984 |
CSF neurochemistry in depressed, manic, and schizophrenic patients compared with that of normal controls.
Topics: Adolescent; Adult; Age Factors; Aged; Bipolar Disorder; Calcium; Choline; Depressive Disorder; Female; gamma-Aminobutyric Acid; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Research Design; Schizophrenia; Tryptophan; Tyrosine | 1984 |
Effect of amino acid metabolites on lysosomal protein degradation. A regulatory role for kynurenine?
Topics: alpha-Fetoproteins; Amino Acids; Animals; Asialoglycoproteins; Fetuins; Histidine; In Vitro Techniques; Kynurenine; Liver; Male; Microscopy, Electron; Phenylalanine; Proteins; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1984 |
Endogenous fluorescence of coupling factor 1 from spinach chloroplasts.
Topics: Adenosine Triphosphatases; Centrifugation, Density Gradient; Chloroplasts; Fluorescence; Guanidines; Iodides; Plants; Protein Denaturation; Proton-Translocating ATPases; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1982 |
Tryptophan and tyrosine ratios to neutral amino acids in endogenous depression. Relation to antidepressant response to amitriptyline and lithium + L-tryptophan.
Topics: Amino Acids; Amitriptyline; Bipolar Disorder; Depressive Disorder; Drug Therapy, Combination; Female; Humans; Lithium; Male; Middle Aged; Tryptophan; Tyrosine | 1983 |
Stress-induced release of 5-HT in the hippocampus and its dependence on increased tryptophan availability: an in vivo electrochemical study.
Topics: alpha-Methyltyrosine; Animals; Drug Interactions; Fenclonine; Hippocampus; Male; Methyltyrosines; Rats; Rats, Inbred Strains; Restraint, Physical; Stress, Physiological; Tryptophan; Tyrosine; Valine | 1983 |
Nuclear-magnetic-resonance studies of eukaryotic cytochrome c. Assignment of resonances of aromatic amino acids.
Topics: Amino Acids; Animals; Cytochrome c Group; Fishes; Histidine; Horses; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Conformation; Rabbits; Species Specificity; Tryptophan; Tyrosine | 1980 |
Synthesis, in vitro opiate activity, and intramolecular tyrosine--tryptophan distances of [4-tryptophan]enkephalin analogues. A reassessment of conformational models of enkephalin in solution.
Topics: Animals; Chemical Phenomena; Chemistry; Endorphins; Enkephalins; Guinea Pigs; In Vitro Techniques; Molecular Conformation; Muscle Contraction; Muscle, Smooth; Receptors, Opioid; Solutions; Spectrometry, Fluorescence; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine | 1980 |
Chemical modifications of Achromobacter collagenase and their influence on the enzymic activity.
Topics: 2-Hydroxy-5-nitrobenzyl Bromide; Alcaligenes; Arginine; Chemical Phenomena; Chemistry; Cyclohexanones; Electrophoresis, Polyacrylamide Gel; Ethyldimethylaminopropyl Carbodiimide; Ethylenediamines; Maleic Anhydrides; Microbial Collagenase; Molecular Weight; Tetranitromethane; Tryptophan; Tyrosine | 1980 |
Conformational changes of hemoproteins as evidenced by second derivative spectroscopy of aromatic amino acids.
Topics: Adult; Amino Acids; Animals; Cytochrome c Group; Cytochrome P-450 Enzyme System; Hemoglobins; Humans; Male; Microsomes, Liver; Phenylalanine; Protein Conformation; Rabbits; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1980 |
Subunit stoichiometry of cytochrome c oxidase of bovine heart.
Topics: Amino Acid Sequence; Animals; Cattle; Electron Transport Complex IV; Macromolecular Substances; Molecular Weight; Myocardium; Tryptophan; Tyrosine | 1981 |
Advantages of ferric ferricyanide to detect certain peptides and proteins on chromatograms.
Topics: Animals; Cattle; Coloring Agents; Cysteine; Cytochrome c Group; Ferrocyanides; Horses; Myocardium; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1982 |
Structure and heme environment of ferrocytochrome c553 from 1H NMR studies.
Topics: Cyanobacteria; Cytochrome c Group; Heme; Histidine; Magnetic Resonance Spectroscopy; Methionine; Phenylalanine; Protein Conformation; Tryptophan; Tyrosine | 1982 |
The effect of electroconvulsive therapy on plasma cyclic-AMP, non-esterified fatty acid, tryptophan and tyrosine in depression.
Topics: Adult; Cyclic AMP; Depressive Disorder; Electroconvulsive Therapy; Fatty Acids, Nonesterified; Female; Humans; Male; Middle Aged; Time Factors; Tryptophan; Tyrosine | 1981 |
Effects of chemical modification of lysine, tyrosine and tryptophan residues in pea seed nucleoside diphosphate kinase and inhibition of the enzyme with antibodies.
Topics: Antibodies; Fabaceae; Lysine; Nucleoside-Diphosphate Kinase; Phosphotransferases; Plants, Medicinal; Tryptophan; Tyrosine | 1982 |
Effect of experimental diabetes on the levels of aromatic and branched-chain amino acids in rat blood and brain.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Blood-Brain Barrier; Brain; Diabetes Mellitus, Experimental; Dietary Proteins; Insulin; Isoleucine; Leucine; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine; Valine | 1983 |
Plasma amino acids in the alcoholic: nutritional aspects.
Topics: Alcoholism; Amino Acids; Amino Acids, Branched-Chain; Aminobutyrates; Hepatic Encephalopathy; Humans; Nutritional Physiological Phenomena; Protein Deficiency; Tryptophan; Tyrosine | 1983 |
Genetic instability associated with the aroC321 allele in Salmonella typhimurium involves genetic duplication.
Topics: Chromosome Mapping; Chromosomes, Bacterial; Genes, Bacterial; Lyases; Phenylalanine; Phosphorus-Oxygen Lyases; Salmonella typhimurium; Tryptophan; Tyrosine | 1983 |
Acute and chronic effects of caffeine on brain monoamine levels and endocrine function in the rat.
Topics: Animals; Biogenic Amines; Blood Glucose; Brain Chemistry; Caffeine; Endocrine Glands; Fatty Acids, Nonesterified; Insulin; Liver Function Tests; Male; Pancreatic Function Tests; Rats; Rats, Inbred Strains; Serotonin; Time Factors; Tryptophan; Tyrosine | 1984 |
Structural fluctuations in aspartate transcarbamylase. Succinimide quenching and fluorescence depolarization of tryptophan and tyrosine residues.
Topics: Aspartate Carbamoyltransferase; Binding Sites; Escherichia coli; Ligands; Macromolecular Substances; Protein Binding; Spectrometry, Fluorescence; Succinimides; Tryptophan; Tyrosine | 1984 |
Abnormal tryptophan pyrrolase and amino acids related to melanogenesis in vitiligo.
Topics: Adolescent; Adult; Amino Acids; Dihydroxyphenylalanine; Humans; Melanins; Monophenol Monooxygenase; Tryptophan; Tryptophan Oxygenase; Tyrosine; Vitiligo | 1983 |
Corticosteroid response to stress depends upon increased tryptophan availability.
Topics: Adrenal Cortex Hormones; Amino Acids; Animals; Corticosterone; Humans; Male; Rats; Rats, Inbred Strains; Restraint, Physical; Stress, Psychological; Tryptophan; Tyrosine | 1983 |
Complete amino acid sequence of glucose dehydrogenase from Bacillus megaterium.
Topics: Amino Acid Sequence; Bacillus megaterium; Binding Sites; Carbohydrate Dehydrogenases; Chemical Phenomena; Chemistry; Glucose 1-Dehydrogenase; Glucose Dehydrogenases; Histidine; Lysine; Macromolecular Substances; Peptide Fragments; Tryptophan; Tyrosine | 1984 |
Chemical modification studies on Abrus agglutinin. Involvement of tryptophan residues in sugar binding.
Topics: Arginine; Binding Sites; Carbohydrates; Circular Dichroism; Hemagglutination Tests; Histidine; Immunodiffusion; Lactose; Lectins; Lysine; Plant Lectins; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1984 |
Effect of chemical modification on the cryoprecipitation of monoclonal human cryoglobulin M.
Topics: Anisoles; Arginine; Cold Temperature; Cryoglobulins; Diethyl Pyrocarbonate; Formaldehyde; Histidine; Humans; Immunoglobulin M; Lysine; Protein Binding; Trinitrobenzenesulfonic Acid; Tryptophan; Tyrosine; Waldenstrom Macroglobulinemia | 1984 |
Relevance of tryptophan and tyrosine availability in endogenous and 'non-endogenous' depressives treated with imipramine or clomipramine.
Topics: Biological Availability; Clomipramine; Depression; Depressive Disorder; Humans; Imipramine; Time Factors; Tryptophan; Tyrosine | 1981 |
[Effect of electro-acupuncture analgesia on the transport of tryptophan and tyrosine from plasma into brain (author's transl)].
Topics: Acupuncture Therapy; Analgesia; Animals; Blood-Brain Barrier; Rats; Tryptophan; Tyrosine | 1980 |
A modified Lowry assay to measure levels of proteins lacking aromatic amino acid residues (e.g. metallothioneins).
Topics: Metallothionein; Oligopeptides; Proteins; Tryptophan; Tyrosine | 1984 |
Amino acids and obesity.
Topics: Amino Acids; Amino Acids, Branched-Chain; Appetite Depressants; Arginine; Aspartame; Cysteine; Humans; Obesity; Tryptophan; Tyrosine | 1984 |
The influence of starvation and tryptophan administration on the metabolism of phenylalanine, tyrosine and tryptophan in isolated rat liver cells.
Topics: Amino Acids; Animals; In Vitro Techniques; Liver; Male; Phenylalanine; Rats; Rats, Inbred Strains; Starvation; Tryptophan; Tyrosine | 1984 |
Absolute dependence of phenylalanine and tyrosine biosynthetic enzyme on tryptophan in Candida maltosa.
Topics: Candida; Chorismate Mutase; Chromatography, DEAE-Cellulose; Fungal Proteins; Hydro-Lyases; Kinetics; Phenylalanine; Prephenate Dehydrogenase; Tryptophan; Tyrosine | 1984 |
Nuclear magnetic resonance analyses of side chain conformations of histidine and aromatic amino acid derivatives. Solvent and pH dependence.
Topics: Histidine; Hydrogen-Ion Concentration; Indicators and Reagents; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Conformation; Solvents; Structure-Activity Relationship; Tryptophan; Tyrosine | 1984 |
Determination of aromatic amino acids by ion-pair reversed-phase liquid chromatography in human sera from healthy and phenylketonuric individuals.
Topics: Amino Acids; Chromatography, Liquid; Histidine; Humans; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1984 |
Relationship between changes in plasma amino acids and depression in alcoholic patients.
Topics: Adult; Alcoholism; Amino Acids; Brain; Depressive Disorder; Humans; Male; Middle Aged; Phenylalanine; Serotonin; Tryptophan; Tyrosine | 1984 |
Solvent perturbation and surface accessibility of the tryptophyl and tyrosyl groups in black-eyed pea trypsin and chymotrypsin inhibitor.
Topics: Chymotrypsin; Molecular Conformation; Solvents; Spectrum Analysis; Trypsin Inhibitors; Tryptophan; Tyrosine | 1984 |
Decarboxylation of L-dopa and 5-hydroxytryptophan in dispersed rat pancreas acinar cells.
Topics: Animals; Aromatic-L-Amino-Acid Decarboxylases; Binding, Competitive; Decarboxylation; Female; Histidine; In Vitro Techniques; Levodopa; Pancreas; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1984 |
Photochemically induced nuclear polarization study of exposed tyrosines, tryptophans, and histidines in postsynaptic neurotoxins and in membranotoxins of elapid and hydrophid snake venoms.
Topics: Amino Acid Sequence; Animals; Elapid Venoms; Histidine; Magnetic Resonance Spectroscopy; Neurotoxins; Photochemistry; Protein Conformation; Species Specificity; Structure-Activity Relationship; Tryptophan; Tyrosine | 1984 |
The repair of oxidized amino acids by antioxidants.
Topics: Antioxidants; Ascorbic Acid; Azides; Free Radicals; Muramidase; Oxidation-Reduction; Spectrophotometry; Tryptophan; Tyrosine; Uric Acid; Vitamin E | 1984 |
Aminoacids--precursors of melanin synthesis in hamster melanoma.
Topics: Amino Acids; Animals; Cricetinae; Ferrous Compounds; Iron; Levodopa; Male; Melanins; Melanoma; Mesocricetus; Neoplasm Transplantation; Phenylalanine; Tryptophan; Tyrosine | 1984 |
[Intestinal pseudo-obstruction in primary amyloidosis of the intestinal tract].
Topics: Aged; Amyloid; Amyloidosis; Colectomy; Colon; Colonic Diseases; Humans; Intestinal Obstruction; Male; Tryptophan; Tyrosine | 1984 |
Pyridoxal phosphate, tryptophan, and tyrosine in blood and cerebrospinal fluid in elderly patients.
Topics: Adult; Age Factors; Aged; Humans; Hydrocephalus; Middle Aged; Parkinson Disease; Pyridoxal Phosphate; Tryptophan; Tyrosine | 1984 |
Analysis of 1- and 3-methylhistidines, aromatic and basic amino acids in rat and human urine.
Topics: Amino Acids; Animals; Chromatography, Ion Exchange; Histidine; Humans; Hydrogen-Ion Concentration; Hydrolysis; Immobilization; Male; Methylhistidines; Phenylalanine; Rats; Rats, Inbred Strains; Species Specificity; Temperature; Tryptophan; Tyrosine; Ultrafiltration | 1984 |
Inhibition of protein and aminoacyl-tRNA synthesis, and binding and transport sites for aromatic amino acids in the brain in vitro with aromatic acids.
Topics: Amino Acids; Animals; Brain; Brain Chemistry; Cattle; Homogentisic Acid; In Vitro Techniques; Nerve Tissue Proteins; Phenylalanine; Phenylpyruvic Acids; Rats; Rats, Inbred Strains; RNA, Transfer, Amino Acyl; Synaptic Membranes; Synaptosomes; Tritium; Tryptophan; Tyrosine | 1984 |
Influence of DNA binding on the formation and reactions of tryptophan and tyrosine radicals in peptides and proteins.
Topics: DNA; DNA Replication; Free Radicals; Gamma Rays; Oxidation-Reduction; Protein Binding; Pulse Radiolysis; Tryptophan; Tyrosine; Viral Proteins | 1984 |
[Circadian rhythm of the chief gastric cells of the rat fed ad libitum under normal light conditions].
Topics: Animals; Circadian Rhythm; Cytoplasmic Granules; Eating; Enzyme Precursors; Gastric Mucosa; Male; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1983 |
Utilization of tyrosine and tryptophan for protein synthesis by undernourished developing rat brain.
Topics: Animals; Brain; Female; Male; Protein Biosynthesis; Protein Deficiency; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1983 |
Raman spectroscopic study of age-related structural changes in the lens proteins of an intact mouse lens.
Topics: Aging; Animals; Body Water; Crystallins; Disulfides; Lens, Crystalline; Mice; Mice, Inbred ICR; Protein Conformation; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1983 |
Tyrosine and tryptophan influence on tonic immobility in the chicken.
Topics: Animals; Behavior, Animal; Chickens; Eating; Intubation, Gastrointestinal; Male; Motor Activity; Restraint, Physical; Tryptophan; Tyrosine | 1984 |
Repair of amino acid radicals by a vitamin E analogue.
Topics: Amino Acids; Antioxidants; Benzopyrans; Chromans; Free Radicals; Histidine; Methionine; Muramidase; Oxidation-Reduction; Pulse Radiolysis; Tryptophan; Tyrosine | 1984 |
Toluene-induced decrease in rat plasma concentrations of tyrosine and tryptophan.
Topics: Animals; Depression, Chemical; Gases; Injections, Intraperitoneal; Male; Rats; Rats, Inbred Strains; Time Factors; Toluene; Tryptophan; Tyrosine | 1984 |
Determination of tyrosine exposure in proteins by second-derivative spectroscopy.
Topics: Acetylation; Animals; Protein Conformation; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1984 |
[Study of conformational changes in immunoglobulin M using the method of differential spectroscopy].
Topics: Hydrogen-Ion Concentration; Immunoglobulin Fab Fragments; Immunoglobulin Fc Fragments; Immunoglobulin M; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1984 |
Some aspects of studies of thermal transitions in proteins by means of their intrinsic fluorescence.
Topics: Animals; Calcium; Calorimetry, Differential Scanning; Fishes; Magnesium; Muscle Proteins; Muscles; Parvalbumins; Phenylalanine; Protein Conformation; Species Specificity; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 1984 |
Treatment of depression by altering monoamine metabolism: precursors and metabolic inhibitors.
Topics: Biogenic Amines; Catecholamines; Depression; Humans; Levodopa; Monoamine Oxidase Inhibitors; Serotonin; Tryptophan; Tyrosine | 1984 |
An analysis of the H2O2-mediated crosslinking of lens crystallins catalyzed by the heme-undecapeptide from cytochrome c.
Topics: Amino Acids; Animals; Biopolymers; Catalysis; Cattle; Chemical Phenomena; Chemistry; Crystallins; Hemin; Hydrogen Peroxide; Oligopeptides; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1984 |
Repressor--operator interaction in the lac operon. II. Observations at the tyrosines and tryptophans.
Topics: Base Sequence; Deoxyribonucleotides; DNA, Bacterial; Escherichia coli; Isopropyl Thiogalactoside; Lac Operon; Magnetic Resonance Spectroscopy; Repressor Proteins; Spectrometry, Fluorescence; Transcription Factors; Tryptophan; Tyrosine | 1982 |
Reduced brain monoamine synthesis by systemic treatment with terbutaline, a beta 2-receptor agonist.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Male; Monoamine Oxidase; Norepinephrine; Rats; Terbutaline; Tryptophan; Tyrosine | 1980 |
Molecular conformation and function of erabutoxins as studied by nuclear magnetic resonance.
Topics: Chromates; Cyanides; Elapid Venoms; Erabutoxins; Histidine; Hydrogen-Ion Concentration; Lysine; Magnetic Resonance Spectroscopy; Models, Molecular; Protein Binding; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine | 1980 |
Regulation by aromatic amino acids of the biosynthesis of candicidin by Streptomyces griseus.
Topics: Antifungal Agents; Candicidin; Dose-Response Relationship, Drug; Enzyme Inhibitors; Phenylalanine; Streptomyces griseus; Time Factors; Tryptophan; Tyrosine | 1980 |
Regulation of aromatic amino acid biosynthesis in Escherichia coli K-12: control of the aroF-tyrA operon in the absence of repression control.
Topics: Amino Acids; Enzyme Repression; Escherichia coli; GTP Pyrophosphokinase; Ketoses; Operon; Phenylalanine; Sugar Phosphates; Tryptophan; Tyrosine | 1980 |
The binding of dansylated initiation factor 3 to the 30-S subunit of Escherichia coli: a fluorimetric and biochemical study.
Topics: Amino Acid Sequence; Escherichia coli; Fluorescein-5-isothiocyanate; Fluoresceins; Kinetics; Peptide Fragments; Peptide Initiation Factors; Protein Binding; Ribosomal Proteins; Thiocyanates; Tryptophan; Tyrosine | 1981 |
Pathogenesis of hepatic encephalopathy and hyperdynamic syndrome in cirrhosis. Role of false neurotransmitters.
Topics: Adolescent; Adult; Aged; Amino Acids; Cardiac Output; Female; Hemodynamics; Hepatic Encephalopathy; Humans; Liver Cirrhosis, Alcoholic; Male; Middle Aged; Octopamine; Phenylalanine; Syndrome; Tryptophan; Tyrosine; Vascular Resistance | 1981 |
The reaction of aromatic peptides with double helical DNA. Quantitative characterisation of a two step reaction scheme.
Topics: Animals; Cattle; DNA; Kinetics; Lysine; Oligopeptides; Protein Binding; Thermodynamics; Thymus Gland; Tryptophan; Tyrosine | 1981 |
Specific nicking of DNA at apurinic sites by peptides containing aromatic residues.
Topics: Apurinic Acid; Chemical Phenomena; Chemistry; DNA, Circular; DNA, Superhelical; DNA, Viral; Kinetics; Lysine; Oligopeptides; Structure-Activity Relationship; Tryptophan; Tyrosine | 1981 |
[Changes in biological properties of botulinum neurotoxin a induced by chemical modification of its molecule by tryptophan and tyrosine].
Topics: Animals; Antigen-Antibody Complex; Binding Sites; Botulinum Toxins; Bromosuccinimide; Immune Sera; Immunodiffusion; Kinetics; Mice; Protein Binding; Rabbits; Succinimides; Tryptophan; Tyrosine | 1981 |
Inactivation of aspartyl proteinases by butane-2,3-dione. Modification of tryptophan and tyrosine residues and evidence against reaction of arginine residues.
Topics: Amino Acids; Arginine; Aspartic Acid Endopeptidases; Binding Sites; Butanones; Diacetyl; Endopeptidases; Enzyme Activation; Penicillium; Pepsin A; Protease Inhibitors; Spectrum Analysis; Tryptophan; Tyrosine | 1981 |
Behavioural and biochemical effects of tryptophan, tyrosine and phenylalanine in mice.
Topics: Amino Acids; Animals; Biogenic Amines; Brain Chemistry; Male; Mice; Mice, Inbred Strains; Motor Activity; Phenylalanine; Swimming; Tryptophan; Tyrosine | 1982 |
Isoprenaline increases brain concentrations of administered L-dopa and L-tryptophan in the rat.
Topics: Animals; Brain; Dopamine; Isoproterenol; Levodopa; Male; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1982 |
Effect of diazepam on cerebral monoamine synthesis during hypoxia and hypercapnia in the rat.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Cerebrovascular Circulation; Diazepam; Dihydroxyphenylalanine; Hypercapnia; Hypoxia; Male; Oxygen Consumption; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1982 |
Quantitative determination of tryptophanyl and tyrosyl residues of proteins by second-derivative fluorescence spectroscopy.
Topics: Animals; Anura; Chemical Phenomena; Chemistry; Epidermis; Molecular Weight; Monophenol Monooxygenase; Peptide Fragments; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1982 |
Chemical, photochemical and spectroscopic characterization of an alkaline proteinase from Bacillus subtilis variant DY.
Topics: Amino Acids; Bacillus subtilis; Circular Dichroism; Protein Conformation; Spectrometry, Fluorescence; Subtilisins; Tryptophan; Tyrosine | 1982 |
Effects of pH and urea on the conformational properties of subtilisin DY.
Topics: Bacillus subtilis; Hydrogen-Ion Concentration; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Subtilisins; Time Factors; Tryptophan; Tyrosine; Urea | 1982 |
Fluorescent techniques for the selective detection of chromatographically separated peptides.
Topics: Lysine; o-Phthalaldehyde; Peptides; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1982 |
Effect of zinc deficiency on appetite and free amino acid concentrations in rat brain.
Topics: Amino Acids; Animals; Appetite; Brain; Eating; Male; Phenylalanine; Rats; Tryptophan; Tyrosine; Zinc | 1983 |
The radiation inactivation of glutamate dehydrogenase.
Topics: Binding Sites; Cysteine; Electrons; Enzyme Activation; Free Radicals; Gamma Rays; Glutamate Dehydrogenase; Hydrogen-Ion Concentration; NAD; Pulse Radiolysis; Tryptophan; Tyrosine | 1983 |
Nutritional precursors and the treatment of depression.
Topics: Brain; Depression; Humans; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 1983 |
Acute effects of aspartame on large neutral amino acids and monoamines in rat brain.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Aspartame; Brain; Catecholamines; Dipeptides; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1983 |
Plasma phenylalanine, tyrosine, and tryptophan in schizophrenia.
Topics: Administration, Oral; Adult; Heterozygote; Humans; Infusions, Parenteral; Phenylalanine; Phenylketonurias; Schizophrenia; Tryptophan; Tyrosine | 1983 |
Resonance energy transfer between cysteine-34, tryptophan-214, and tyrosine-411 of human serum albumin.
Topics: Circular Dichroism; Cysteine; Energy Transfer; Humans; Hydrogen-Ion Concentration; Kinetics; ortho-Aminobenzoates; Protease Inhibitors; Protein Conformation; Serum Albumin; Spectrophotometry; Tryptophan; Tyrosine | 1983 |
Partial alleviation of phenylalanine toxicity in the chick by supplemental dietary tryptophan.
Topics: Animals; Body Weight; Brain; Chickens; Depression, Chemical; Diet; Male; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine | 1983 |
Tryptophan and tyrosine availability: relation to food choice and sleeping habits of man. A preliminary study.
Topics: Adult; Aged; Amino Acids; Feeding Behavior; Female; Food Preferences; Humans; Middle Aged; Sleep Stages; Tryptophan; Tyrosine | 1983 |
[Problems posed by maternal phenylketonuria].
Topics: Brain; Female; Humans; Infant, Newborn; Infant, Newborn, Diseases; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Tryptophan; Tyrosine | 1983 |
Transport of aromatic amino acids by Brevibacterium linens.
Topics: 2,4-Dinitrophenol; Biological Transport, Active; Brevibacterium; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Dinitrophenols; Hydrogen-Ion Concentration; Hydroxymercuribenzoates; Kinetics; Phenylalanine; Temperature; Tryptophan; Tyrosine | 1983 |
Effects of tyrosine and tryptophan ingestion on plasma catecholamine and 3,4-dihydroxyphenylacetic acid concentrations.
Topics: 3,4-Dihydroxyphenylacetic Acid; Administration, Oral; Adult; Catecholamines; Dopamine; Double-Blind Method; Epinephrine; Humans; Male; Norepinephrine; Phenylacetates; Tryptophan; Tyrosine | 1983 |
o-Iodosobenzoic acid: peptide bond cleavage at tyrosine in addition to tryptophan residues.
Topics: Actins; Amino Acid Sequence; Animals; Molecular Weight; Peptide Fragments; Rabbits; Tryptophan; Tyrosine | 1980 |
Wavelength regulation in rhodopsin: effects of dipoles and amino acid side chains.
Topics: Chemical Phenomena; Chemistry, Physical; Light; Models, Theoretical; Motion; Protein Conformation; Retinal Pigments; Retinaldehyde; Rhodopsin; Tryptophan; Tyrosine; Vitamin A | 1980 |
A new component in protein fluorescence.
Topics: Humans; Proteins; Serum Albumin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1981 |
Evaluation of the relative potency of individual competing amino acids to tryptophan transport in endogenously depressed patients.
Topics: Adult; Aged; Amino Acids; Binding, Competitive; Biological Transport; Depressive Disorder; Female; Humans; Isoleucine; Leucine; Middle Aged; Phenylalanine; Tryptophan; Tyrosine; Valine | 1980 |
Protein dynamics by solid-state NMR: aromatic rings of the coat protein in fd bacteriophage.
Topics: Coliphages; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Conformation; Tryptophan; Tyrosine; Viral Proteins | 1982 |
Effects of acute lithium administration on conditioned avoidance behavior and monoamine synthesis in rats.
Topics: 5-Hydroxytryptophan; Animals; Avoidance Learning; Benzyl Alcohols; Corpus Striatum; Dihydroxyphenylalanine; Hydrazines; Limbic System; Lithium; Male; Rats; Tryptophan; Tyrosine | 1980 |
Inactivation of deoxyribonuclease I in aqueous solution by thermal neutrons.
Topics: Deoxyribonucleases; Dose-Response Relationship, Radiation; Enzyme Activation; Gamma Rays; Neutrons; Peptides; Relative Biological Effectiveness; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1980 |
Lack of effect of a behaviorally active dose of cholecystokinin octapeptide upon aromatic amino acid levels in plasma and brain.
Topics: Amino Acids; Animals; Behavior, Animal; Brain; Cholecystokinin; Insulin; Male; Peptide Fragments; Phenylalanine; Rats; Tryptophan; Tyrosine | 1980 |
Fluorescence spectra of luteinizing hormone releasing hormone, a decapeptide containing histidyl, tryptophyl and tyrosyl residues: analysis by derivative spectroscopy.
Topics: Gonadotropin-Releasing Hormone; Histidine; Peptide Fragments; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1980 |
Characterization of a nonchymotrypsin-like endopeptidase from anterior pituitary that hydrolyzes luteining hormone-releasing hormone at the tyrosyl-glycine and histidyl-tryptophan bonds.
Topics: Animals; Calcium; Cattle; Endopeptidases; Glycine; Gonadotropin-Releasing Hormone; Histidine; Isoflurophate; Kinetics; Pituitary Gland, Anterior; Substrate Specificity; Sulfhydryl Reagents; Tryptophan; Tyrosine | 1980 |
Solvent accessibility and microenvironment in a bacterial protein proteinase inhibitor SSI (Streptomyces subtilisin inhibitor).
Topics: Bacterial Proteins; Chemical Phenomena; Chemistry; Disulfides; Histidine; Macromolecular Substances; Methionine; Models, Molecular; Protein Conformation; Solvents; Subtilisins; Surface Properties; Tryptophan; Tyrosine | 1980 |
Regulation of aromatic amino acid transport by tRNA: role of 2-methylthio-N6-(delta2-isopentenyl)-adenosine.
Topics: Adenosine; Anticodon; Biological Transport; Escherichia coli; Isopentenyladenosine; Kinetics; Mutation; Phenylalanine; RNA, Transfer; Sulfides; Tryptophan; Tyrosine | 1981 |
Aromatic-dependent Salmonella typhimurium are non-virulent and effective as live vaccines.
Topics: Animals; Bacterial Vaccines; Drug Resistance, Microbial; Mice; Mice, Inbred C57BL; Mutation; Phenylalanine; Salmonella typhimurium; Species Specificity; Tetracycline; Transduction, Genetic; Tryptophan; Tyrosine | 1981 |
Fluorescence properties of native and chemically modified mesentericopeptidase.
Topics: Dansyl Compounds; Endopeptidases; Energy Transfer; Fluorescence; Serine Endopeptidases; Temperature; Tryptophan; Tyrosine | 1981 |
Inducer and anti-inducer interactions with the lac repressor seen by nuclear magnetic resonance changes at tyrosines and tryptophans.
Topics: Escherichia coli; Lac Operon; Magnetic Resonance Spectroscopy; Protein Binding; Protein Conformation; Repressor Proteins; Transcription Factors; Tryptophan; Tyrosine | 1981 |
Conformational changes induced by hapten in pig antibodies to the dinitrophenyl group. Analysis by temperature-perturbation and solvent-perturbation spectroscopy.
Topics: Animals; Antibodies; Dinitrobenzenes; Haptens; Nitrobenzenes; Protein Conformation; Solvents; Spectrophotometry, Ultraviolet; Swine; Temperature; Tryptophan; Tyrosine | 1982 |
Relative contributions of tryptophan and tyrosine to the phosphorescence emission of human serum albumin at low temperatures.
Topics: Freezing; Humans; Luminescence; Serum Albumin; Tryptophan; Tyrosine | 1982 |
Calculated tyrosyl circular dichroism of proteins: absence of tryptophan and cystine interferences in avian pancreatic polypeptide.
Topics: Circular Dichroism; Cystine; Pancreatic Polypeptide; Protein Conformation; Tryptophan; Tyrosine | 1982 |
Adrenergic influence on rat plasma concentrations of tyrosine and tryptophan.
Topics: Animals; Dose-Response Relationship, Drug; Epinephrine; Isoproterenol; Male; Norepinephrine; Phenoxybenzamine; Propranolol; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1982 |
Bovine liver glucose dehydrogenase: isolation and characterization.
Topics: Animals; Carbohydrate Dehydrogenases; Cattle; Circular Dichroism; Endoplasmic Reticulum; Glucose Dehydrogenases; Hydrogen-Ion Concentration; Kinetics; Lipids; Liver; Molecular Weight; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 1982 |
Quantitation of aromatic residues in proteins: model compounds for second-derivative spectroscopy.
Topics: Chemical Phenomena; Chemistry; Guanidines; Humans; Melitten; Phenylalanine; Serum Albumin; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1982 |
The effects of Cycloheximide and Anisomycin on monoamine synthesis in a brain synaptosome preparation.
Topics: Animals; Anisomycin; Brain; Cycloheximide; Dopamine; Mice; Mice, Inbred C57BL; Norepinephrine; Pyrrolidines; Serotonin; Synaptosomes; Tryptophan; Tyrosine | 1982 |
Brain availability of monoamine precursors in adult coeliac disease.
Topics: Adult; Aged; Brain; Caseins; Celiac Disease; Depression; Female; Humans; Male; Middle Aged; Tryptophan; Tyrosine | 1982 |
Stability decrease of RNA double helices by phenylalanine-, tyrosine- and tryptophane-amides. Analysis in terms of site binding and relation to melting proteins.
Topics: Chemical Phenomena; Chemistry; Kinetics; Phenylalanine; Poly A-U; Poly I-C; Protein Denaturation; Structure-Activity Relationship; Temperature; Tryptophan; Tyrosine | 1982 |
[Effect of aromatic amino acids on levorin biosynthesis].
Topics: Amino Acids; Antifungal Agents; Candicidin; Culture Media; Phenylalanine; Streptomyces; Tryptophan; Tyrosine | 1982 |
Structure-activity relationships of N-beta-phenylpropionyl-L-tyrosine and its derivatives on the inhibition of an identifiable giant neurone of an African giant snail (Achatina fulica Férussac).
Topics: Animals; In Vitro Techniques; Neurons; Snails; Structure-Activity Relationship; Tryptophan; Tyrosine | 1982 |
Complete assignment of the 1H NMR spectrum of the aromatic residues of lysozyme.
Topics: Animals; Chickens; Egg White; Female; Histidine; Magnetic Resonance Spectroscopy; Models, Molecular; Muramidase; Phenylalanine; Protein Conformation; Quail; Tryptophan; Tyrosine | 1982 |
Some etiological factors in large-bowel cancer.
Topics: Adenoma; Bile Acids and Salts; Colonic Neoplasms; Environment; Fatty Acids, Unsaturated; Humans; Nitrosamines; Steroids; Tryptophan; Tyrosine | 1982 |
Simultaneous determination of tyrosine and tryptophan residues in proteins by second-derivative spectroscopy.
Topics: Hydrogen-Ion Concentration; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1982 |
Interaction between rat lactic dehydrogenase M4 isozyme and vitamin B2 derivatives.
Topics: Animals; Arginine; Binding Sites; Chemical Phenomena; Chemistry; Flavin Mononucleotide; Histidine; Isoenzymes; L-Lactate Dehydrogenase; Rats; Structure-Activity Relationship; Tryptophan; Tyrosine | 1982 |
Intrinsic fluorescence of intact and washed and metabolically active human spermatozoa.
Topics: Fluorescence; Humans; Male; Membrane Proteins; Specimen Handling; Spectrometry, Fluorescence; Spermatozoa; Tryptophan; Tyrosine | 1982 |
1H-NMR and photochemically-induced dynamic nuclear polarization studies on bovine pancreatic phospholipase A2.
Topics: Animals; Cattle; Lasers; Magnetic Resonance Spectroscopy; Micelles; Nuclear Physics; Pancreas; Phospholipases; Phospholipases A; Phospholipases A2; Protein Conformation; Tryptophan; Tyrosine | 1980 |
Age-dependent changes of protein structure. II. Conformational differences of aldolase of young and old rabbits.
Topics: Age Factors; Animals; Binding Sites; Chemical Phenomena; Chemistry; Fructose-Bisphosphate Aldolase; Muscles; Protein Conformation; Rabbits; Rats; Spectrophotometry, Infrared; Temperature; Tryptophan; Tyrosine | 1980 |
Behavioural responses to drugs releasing 5-hydroxytryptamine and catecholamines: effects of treatments altering precursor concentrations in brain.
Topics: Amino Acids; Animals; Behavior, Animal; Brain Chemistry; Catecholamines; Dextroamphetamine; Fenfluramine; Male; p-Chloroamphetamine; Rats; Serotonin; Tryptophan; Tyrosine | 1981 |
Nuclear magnetic resonance characterization of aromatic residues of alpha-lactalbumins. Laser photo chemically induced dynamic nuclear polarization nuclear magnetic resonance studies of surface exposure.
Topics: Animals; Cattle; Goats; Guinea Pigs; Histidine; Humans; Hydrogen-Ion Concentration; Lactalbumin; Lasers; Magnetic Resonance Spectroscopy; Rabbits; Species Specificity; Surface Properties; Tryptophan; Tyrosine | 1981 |
L-dopa competes with tyrosine and tryptophan for human brain uptake.
Topics: Aged; Benserazide; Blood-Brain Barrier; Brain; Female; Humans; Levodopa; Male; Parkinson Disease; Tryptophan; Tyrosine | 1980 |
Resolution of heterogeneous fluorescence from proteins and aromatic amino acids by phase-sensitive detection of fluorescence.
Topics: Humans; Indoles; Proteins; Serum Albumin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1981 |
Optical studies on interaction of biliary contrast agents with native and modified human serum albumin.
Topics: Animals; Biliary Tract; Cattle; Chemical Phenomena; Chemistry; Circular Dichroism; Contrast Media; Dialysis; Humans; Protein Binding; Radiography; Serum Albumin; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1981 |
Plasma tryptophan and five other amino acids in depressed and normal subjects.
Topics: Amino Acids; Depressive Disorder; Female; Humans; Isoleucine; Leucine; Male; Phenylalanine; Psychiatric Status Rating Scales; Tryptophan; Tyrosine; Valine | 1981 |
Role of tryptophanyl and tyrosyl residues of flavoproteins in binding with flavin coenzymes. X-ray structural studies using model complexes.
Topics: Animals; Binding Sites; Flavins; Flavoproteins; Magnetic Resonance Spectroscopy; Models, Biological; Models, Molecular; Molecular Conformation; Protein Binding; Protein Conformation; Tryptophan; Tyrosine; X-Ray Diffraction | 1981 |
Dynamics of amino acid side chains in membrane proteins by high field solid state deuterium nuclear magnetic resonance spectroscopy. Phenylalanine, tyrosine, and tryptophan.
Topics: Bacteriorhodopsins; Carotenoids; Deuterium; Halobacterium; Magnetic Resonance Spectroscopy; Membrane Proteins; Phenylalanine; Protein Conformation; Tryptophan; Tyrosine | 1981 |
Effect of oral contraceptives on tryptophan and tyrosine availability: evidence for a possible contribution to mental depression.
Topics: Adult; Brain Chemistry; Contraceptives, Oral; Contraceptives, Oral, Combined; Depressive Disorder; Ethinyl Estradiol; Female; Humans; Kynurenine; Mestranol; Norethindrone; Norethindrone Acetate; Tryptophan; Tyrosine | 1981 |
Plasma amino acid patterns in experimental acute hepatic failure: comparison between hepatectomy and liver devascularization in pigs.
Topics: Amino Acids; Animals; Female; Hepatectomy; Ischemia; Liver; Liver Diseases; Methionine; Phenylalanine; Swine; Tryptophan; Tyrosine | 1981 |
Blood-brain transport of tryptophan and phenylalanine: effect of portacaval shunt in dogs.
Topics: Animals; Biological Transport, Active; Blood-Brain Barrier; Dogs; Isoleucine; Leucine; Phenylalanine; Portacaval Shunt, Surgical; Tryptophan; Tyrosine; Valine | 1981 |
Human placental alkaline phosphatase: effects on conformation by ligands which alter catalytic activity.
Topics: Alkaline Phosphatase; Circular Dichroism; Female; Humans; Hydrogen-Ion Concentration; Placenta; Pregnancy; Protein Conformation; Solvents; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1981 |
Conformational differences between high clotting human alpha-thrombin and nonclotting gamma-thrombin.
Topics: Circular Dichroism; Humans; Indicators and Reagents; Phenylmethylsulfonyl Fluoride; Protein Binding; Protein Conformation; Protein Denaturation; Spectrophotometry, Ultraviolet; Sulfonium Compounds; Thrombin; Tryptophan; Tyrosine; Urea | 1981 |
Nuclear magnetic resonance study on solvent dependence of side chain conformations of tyrosine and tryptophan derivatives.
Topics: Magnetic Resonance Spectroscopy; Optical Rotation; Phenylalanine; Protein Conformation; Tryptophan; Tyrosine | 1981 |
Aromatic amino acid incorporation into proteins in rat brain slices: influences of other amino acids affecting transport.
Topics: Amino Acids; Animals; Animals, Newborn; Biological Transport; Brain; Cycloheximide; Male; Nerve Tissue Proteins; Phenylalanine; Protein Biosynthesis; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1981 |
Chemical cleavage of tryptophanyl and tyrosyl peptide bonds via oxidative halogenation mediated by o-iodosobenzoic acid.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Iodobenzoates; Kinetics; Oxidation-Reduction; Peptides; Tryptophan; Tyrosine | 1981 |
Effects of hypophysectomy, adrenalectomy and (-)-propranolol on ethanol-induced decrease in plasma amino acids.
Topics: Adrenalectomy; Amino Acids; Animals; Ethanol; Hypophysectomy; Male; Propranolol; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1981 |
Plasma amino acids as markers of liver dysfunction in cirrhotics.
Topics: Adult; Aged; Amino Acids; Ammonia; Female; Galactose; Humans; Liver; Liver Cirrhosis; Liver Function Tests; Male; Methionine; Middle Aged; Phenylalanine; Tryptophan; Tyrosine | 1981 |
Structural studies of tobacco mosaic virus and its components by laser Raman spectroscopy.
Topics: Capsid; Chemical Phenomena; Chemistry; Lasers; RNA, Viral; Spectrum Analysis, Raman; Tobacco Mosaic Virus; Tryptophan; Tyrosine; Viral Proteins | 1981 |
Studies on the structure and histochemistry of the epidermis in the air-breathing teleost Mastacembelus armatus (Mastacembelidae, Pisces).
Topics: Animals; Cytoplasmic Granules; Epidermis; Fishes; Glycoproteins; Histocytochemistry; Proteins; Serotonin; Species Specificity; Tryptophan; Tyrosine | 1981 |
Exposure to solvent of tyrosyl and tryptophanyl residues of bovine antithrombin in the absence and presence of high-affinity and low-affinity heparin.
Topics: Animals; Antithrombin III; Cattle; Ethylene Glycols; Heparin; Hydrogen-Ion Concentration; Iodides; Protein Conformation; Spectrometry, Fluorescence; Spectrum Analysis; Tryptophan; Tyrosine | 1980 |
Stopped-flow studies on the chemical modification with N-bromosuccinimide of model compounds of tryptophan residues.
Topics: Bromosuccinimide; Chemical Phenomena; Chemistry; Dipeptides; Hydrogen-Ion Concentration; Kinetics; Models, Biological; Proteins; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Succinimides; Tryptophan; Tyrosine | 1980 |
Regulation of prephenate dehydratase in Coryneform species of bacteria by L-phenylalanine and by remote effectors.
Topics: Amino Acids; Brevibacterium; Corynebacterium; Kinetics; Methionine; Oxidoreductases; Phenylalanine; Prephenate Dehydrogenase; Species Specificity; Tryptophan; Tyrosine | 1980 |
Histidine, phenylalanine-tyrosine and tryptophan requirements for growth of the young kitten.
Topics: Animals; Cats; Histidine; Nutritional Physiological Phenomena; Nutritional Requirements; Phenylalanine; Tryptophan; Tyrosine | 1980 |
Combined effect of metals on biogenic amines and their distribution in the brain of mice.
Topics: Animals; Biogenic Amines; Brain Chemistry; Copper; Dopamine; Iron; Male; Manganese; Metals; Mice; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 1980 |
Effect of isoprenaline infusion on the distribution of tryptophan, tyrosine and isoleucine between brain and other tissues.
Topics: Animals; Blood Volume; Brain; Hematocrit; Isoleucine; Isoproterenol; Male; Plasma Volume; Rats; Tissue Distribution; Tryptophan; Tyrosine | 1980 |
Comparison of high-performance liquid chromatographic serum profiles of humans and dogs.
Topics: Animals; Blood Chemical Analysis; Chromatography, High Pressure Liquid; Creatinine; Dogs; Humans; Hypoxanthines; Inosine; Kynurenine; Male; Nucleosides; Purines; Tryptophan; Tyrosine; Uric Acid; Xanthines | 1980 |
Induction of single-strand DNA breaks in human cells by H2O2 formed in near-uv (black light) irradiated medium.
Topics: Catalase; Cell Line; Culture Media; DNA; Humans; Hydrogen Peroxide; Photochemistry; Radiation-Sensitizing Agents; Tryptophan; Tyrosine; Ultraviolet Rays | 1980 |
L-Tryptophan transport in human red blood cells.
Topics: Amino Acids; Biological Transport; Erythrocytes; Humans; Kinetics; Phenylalanine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1980 |
Cerebral monoamine and energy metabolism during recovery from hypoxia-oligemia.
Topics: Adenine Nucleotides; Animals; Blood Volume; Brain; Carbohydrate Metabolism; Energy Metabolism; Hydroxylation; Hypoxia; Male; Rats; Time Factors; Tryptophan; Tyrosine | 1980 |
Effects of lithium on blood-brain barrier transport of the neurotransmitter precursors choline, tyrosine and tryptophan.
Topics: Animals; Blood-Brain Barrier; Choline; Dose-Response Relationship, Drug; Lithium; Male; Rats; Tryptophan; Tyrosine | 1980 |
Conformational changes of Carcinus maenas haemocyanin induced by urea.
Topics: Animals; Binding Sites; Brachyura; Circular Dichroism; Copper; Hemocyanins; Protein Binding; Protein Conformation; Protein Denaturation; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Urea | 1980 |
Differential spectrophotometry of iodoamino acids and iodinated proteins. Aqueous ethylene glycol solutions of iodotyrosines, thyroxine and thyroglobulin.
Topics: Animals; Cattle; Diiodotyrosine; Ethylene Glycols; Monoiodotyrosine; Solutions; Solvents; Spectrophotometry; Thyroglobulin; Thyroxine; Tryptophan; Tyrosine; Water | 1980 |
[Growth inhibition by phenylalanine and tyrosine--metabolism of phenylalanine in Flavobacterium devorans (author's transl)].
Topics: Aminobenzoates; Dose-Response Relationship, Drug; Flavobacterium; ortho-Aminobenzoates; Phenylalanine; Tryptophan; Tyrosine | 1980 |
[A prephenate dehydratase from Flavobacterium devorans stimulated by aromatic amino acids (author's transl)].
Topics: Chorismate Mutase; Enzyme Activation; Flavobacterium; Fructose-Bisphosphate Aldolase; Hydro-Lyases; Molecular Weight; Prephenate Dehydratase; Tryptophan; Tyrosine | 1980 |
Electronic spectroscopy and deuteration kinetics of tyrosine and tryptophan residues: an application to the study of erabutoxin b.
Topics: Deuterium; Elapid Venoms; Erabutoxins; Kinetics; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1980 |
Tyrosine fluorescence as a measure of denaturation in thermolysin.
Topics: Energy Transfer; Guanidines; Hot Temperature; Protein Binding; Protein Denaturation; Spectrometry, Fluorescence; Thermolysin; Tryptophan; Tyrosine | 1980 |
Purification and properties of dissociable chorismate mutase from Brevibacterium flavum.
Topics: Amino Acids; Brevibacterium; Chorismate Mutase; Isomerases; Kinetics; Macromolecular Substances; Molecular Weight; Phenylalanine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1980 |
Second-derivative spectroscopy of proteins: studies on tyrosyl residues.
Topics: Chemical Phenomena; Chemistry; Phenylalanine; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1980 |
Electrochemical behaviour of proteins at graphite electrodes. I. Electrooxidation of proteins as a new probe of protein structure and reactions.
Topics: Animals; Cysteine; Cystine; Electrochemistry; Electrodes; Graphite; Oxidation-Reduction; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1980 |
Prevalence of subclinical hepatic encephalopathy in cirrhotics and relationship to plasma amino acid imbalance.
Topics: Adult; Aged; Amino Acids; Amino Acids, Branched-Chain; Ammonia; Blood-Brain Barrier; Female; Hepatic Encephalopathy; Humans; Liver Cirrhosis; Male; Middle Aged; Phenylalanine; Trail Making Test; Tryptophan; Tyrosine | 1980 |
Direct demonstration of electron transfer between tryptophan and tyrosine in proteins.
Topics: Azides; Electron Transport; Hydrogen Bonding; Proteins; Spectrophotometry; Thermodynamics; Tryptophan; Tyrosine | 1980 |
Membrane transport of aromatic amino acids by Hymenolepis diminuta (Cestoda).
Topics: Amino Acids; Animals; Biological Transport; Cell Membrane; Hymenolepis; Kinetics; Phenylalanine; Sodium; Tryptophan; Tyrosine | 1980 |
Liquid-chromatographic quantification of plasma phenylalanine, tyrosine, and tryptophan.
Topics: Amino Acids; Blood Chemical Analysis; Chromatography, High Pressure Liquid; Humans; Microchemistry; Phenylalanine; Tryptophan; Tyrosine | 1981 |
Further characterization and N-terminal sequence of cobra venom phospholipase A2.
Topics: Acetophenones; Amino Acid Sequence; Elapid Venoms; Indicators and Reagents; Phospholipases; Phospholipases A; Phospholipases A2; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1980 |
Influenza virus haemagglutinin: estimation of tryptophan and tyrosine content and localization of tryptophan residues.
Topics: Bromelains; Hemagglutinins, Viral; Influenza A virus; Tryptophan; Tyrosine | 1980 |
Photochemistry and fluorescence of bacteriorhodopsin excited in its 280-nm absorption band.
Topics: Bacteriorhodopsins; Carotenoids; Energy Transfer; Halobacterium; Lasers; Photolysis; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1981 |
Anchoring of tryptophan and tyrosine analogs at the hydrocarbon-polar boundary in model membrane vesicles: parallax analysis of fluorescence quenching induced by nitroxide-labeled phospholipids.
Topics: Cell Membrane; Fluorescence; Hydrocarbons; Membrane Proteins; Membranes, Artificial; Nitro Compounds; Peptides; Phospholipids; Tryptophan; Tyrosine | 1995 |
Interaction of recombinant granulocyte colony stimulating factor with lipid membranes: enhanced stability of a water-soluble protein after membrane insertion.
Topics: Decanoic Acids; Drug Stability; Energy Transfer; Fluorescence; Fluorescent Dyes; Granulocyte Colony-Stimulating Factor; Humans; Hydrogen-Ion Concentration; Liposomes; Phosphatidylglycerols; Protein Conformation; Protein Denaturation; Recombinant Proteins; Solubility; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 1994 |
Comparison of two new inhibitors of catechol O-methylation on striatal dopamine metabolism: a microdialysis study in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amidines; Animals; Biogenic Monoamines; Carbidopa; Catechol O-Methyltransferase Inhibitors; Catechols; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Levodopa; Male; Microdialysis; Neostriatum; Nitriles; Pyridones; Rats; Rats, Wistar; Stereotaxic Techniques; Tryptophan; Tyrosine | 1994 |
Damage of amino acids and proteins induced by nitrogen dioxide, a free radical toxin, in air.
Topics: Air Pollutants; Amino Acids; Animals; Cattle; Cross-Linking Reagents; Crystallins; Free Radicals; gamma-Globulins; Humans; In Vitro Techniques; Nitrogen Dioxide; Proteins; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1994 |
The anticonvulsant effect of citalopram on El mice, and the levels of tryptophan and tyrosine and their metabolites in the brain.
Topics: Animals; Anticonvulsants; Brain; Cerebral Cortex; Citalopram; Corpus Striatum; Hippocampus; Homovanillic Acid; Hydroxyindoleacetic Acid; Kynurenic Acid; Mice; Mice, Neurologic Mutants; Seizures; Serotonin; Tryptophan; Tyrosine | 1994 |
Insulin reverses ammonia-induced anorexia and experimental cancer anorexia.
Topics: Ammonia; Animals; Anorexia; Blood Glucose; Dopamine; Eating; Glucagon; Hydroxyindoleacetic Acid; Hypothalamus; Insulin; Lactates; Lactic Acid; Male; Neoplasms, Experimental; Rats; Rats, Inbred F344; Serotonin; Tryptophan; Tyrosine | 1994 |
Two FK506 resistance-conferring genes in Saccharomyces cerevisiae, TAT1 and TAT2, encode amino acid permeases mediating tyrosine and tryptophan uptake.
Topics: Amino Acid Sequence; Amino Acid Transport Systems; Amino Acids; ATP-Binding Cassette Transporters; Base Sequence; Biological Transport; Chromosome Mapping; Chromosomes, Fungal; Drug Resistance, Microbial; Exoribonucleases; Fungal Proteins; Genes, Fungal; Membrane Transport Proteins; Molecular Sequence Data; Mutagenesis; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Tacrolimus; Trans-Activators; Transcription, Genetic; Tryptophan; Tyrosine | 1994 |
Neocortical dialysate monoamines of rats after acute, subacute, and chronic liver shunt.
Topics: 3,4-Dihydroxyphenylacetic Acid; Acute Disease; Amino Acids; Ammonia; Animals; Biogenic Monoamines; Body Weight; Cerebral Cortex; Chronic Disease; Dialysis; Disease Models, Animal; Dopamine; Extracellular Space; Hepatic Encephalopathy; Hydroxyindoleacetic Acid; Male; Norepinephrine; Phenylalanine; Rats; Rats, Wistar; Serotonin; Tryptophan; Tyrosine | 1995 |
Restricted pulmonary diffusion capacity after exercise is not an ARDS-like injury.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Acute-Phase Proteins; Adult; Blood Proteins; Blood Volume; Capillaries; Creatinine; Deoxyguanosine; Endotoxins; Exercise Test; Free Radicals; Humans; Interleukin-1; Interleukin-8; Male; Physical Exertion; Pulmonary Alveoli; Pulmonary Diffusing Capacity; Reactive Oxygen Species; Respiratory Distress Syndrome; Running; Tryptophan; Tumor Necrosis Factor-alpha; Tyrosine | 1995 |
Identification of residues in the V domain of CD80 (B7-1) implicated in functional interactions with CD28 and CTLA4.
Topics: Abatacept; Amino Acid Sequence; Animals; Antigens, CD; Antigens, Differentiation; B7-1 Antigen; Base Sequence; CD28 Antigens; CTLA-4 Antigen; Humans; Immunoconjugates; Interleukin-2; Lymphocyte Activation; Mice; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Protein Binding; Protein Conformation; Sequence Alignment; Species Specificity; Structure-Activity Relationship; Tryptophan; Tyrosine | 1995 |
The difference in affinity between two fungal cellulose-binding domains is dominated by a single amino acid substitution.
Topics: Adsorption; Amino Acid Sequence; Binding Sites; Cellulose; Cellulose 1,4-beta-Cellobiosidase; Glycoside Hydrolases; Models, Molecular; Molecular Sequence Data; Peptide Fragments; Sequence Alignment; Thermodynamics; Trichoderma; Tryptophan; Tyrosine | 1995 |
Nitric oxide rapidly scavenges tyrosine and tryptophan radicals.
Topics: Dipeptides; Free Radical Scavengers; Free Radicals; Kinetics; Nitric Oxide; Proteins; Tryptophan; Tyrosine | 1995 |
Phosphorescence lifetime of tryptophan in proteins.
Topics: Amino Acid Sequence; Cysteine; Glyceraldehyde-3-Phosphate Dehydrogenases; Guanidine; Guanidines; Histidine; Hydrogen-Ion Concentration; Kinetics; L-Lactate Dehydrogenase; Luminescent Measurements; Molecular Sequence Data; Peptides; Protein Denaturation; Proteins; Tryptophan; Tyrosine; Viscosity | 1995 |
Tryptophan 250 on the alpha subunit plays an important role in flavin and aldehyde binding to bacterial luciferase. Effects of W-->Y mutations on catalytic function.
Topics: Aldehydes; Binding Sites; Enterobacteriaceae; Fatty Acids; Flavin Mononucleotide; Kinetics; Luciferases; Luminescent Measurements; Mutagenesis; Oxidation-Reduction; Point Mutation; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Tyrosine | 1995 |
Functional analysis of sequences adjacent to dapE of Corynebacterium glutamicum reveals the presence of aroP, which encodes the aromatic amino acid transporter.
Topics: Amino Acid Sequence; Amino Acid Transport Systems; Amino Acids; Bacterial Proteins; Base Sequence; Biological Transport; Carrier Proteins; Cloning, Molecular; Corynebacterium; Escherichia coli Proteins; Molecular Sequence Data; Mutagenesis, Insertional; Phenylalanine; Protein Structure, Secondary; Tryptophan; Tyrosine | 1995 |
Aldose reductase as a target for drug design: molecular modeling calculations on the binding of acyclic sugar substrates to the enzyme.
Topics: Aldehyde Reductase; Aldehydes; Amino Acid Sequence; Binding Sites; Calorimetry; Carbohydrate Conformation; Crystallography, X-Ray; Drug Design; Histidine; Humans; Hydrogen Bonding; Kinetics; Least-Squares Analysis; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Pentoses; Protein Conformation; Recombinant Proteins; Stereoisomerism; Thermodynamics; Tryptophan; Tyrosine; Xylose | 1995 |
Secondary and tertiary structure of the A-state of cytochrome c from resonance Raman spectroscopy.
Topics: Animals; Crystallography, X-Ray; Cytochrome c Group; Heme; Horses; Hydrogen Bonding; Iron; Models, Molecular; Molecular Structure; Protein Structure, Secondary; Protein Structure, Tertiary; Spectrum Analysis, Raman; Thermodynamics; Tryptophan; Tyrosine | 1995 |
Leader peptidase from Escherichia coli: overexpression, characterization, and inactivation by modification of tryptophan residues 300 and 310 with N-bromosuccinimide.
Topics: Amino Acid Sequence; Arginine; Base Sequence; Bromosuccinimide; Cysteine; Endopeptidases; Escherichia coli; Histidine; Hydrogen-Ion Concentration; Indicators and Reagents; Kinetics; Membrane Proteins; Molecular Sequence Data; Serine Endopeptidases; Tryptophan; Tyrosine | 1995 |
Serum amino acid concentrations in nine athletes before and after the 1993 Colmar ultra triathlon.
Topics: Adult; Amino Acids; Amino Acids, Branched-Chain; Bicycling; Body Constitution; Brain; Cystine; Extracellular Space; Fatigue; Glutamine; Humans; Intracellular Fluid; Leucine; Male; Methionine; Phenylalanine; Plasma Volume; Running; Serotonin; Swimming; Tryptophan; Tyrosine | 1995 |
Allosteric control of acetylcholinesterase catalysis by fasciculin.
Topics: Acetylcholinesterase; Alanine; Allosteric Regulation; Allosteric Site; Amino Acid Sequence; Animals; Catalysis; Cell Line; Cholinesterase Inhibitors; Elapid Venoms; Humans; Kinetics; Mathematics; Mice; Models, Theoretical; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Protein Conformation; Protein Structure, Secondary; Recombinant Proteins; Transfection; Tryptophan; Tyrosine | 1995 |
Effect of enzymatic desialylation of human serum amyloid P component on surface exposure of laser photo CIDNP (chemically induced dynamic nuclear polarization)--reactive histidine, tryptophan and tyrosine residues.
Topics: Amino Acids; Fourier Analysis; Histidine; Humans; Lasers; Neuraminidase; Photochemistry; Serum Amyloid P-Component; Sialic Acids; Spectrum Analysis; Tryptophan; Tyrosine | 1995 |
Environments of the four tryptophans in the extracellular domain of human tissue factor: comparison of results from absorption and fluorescence difference spectra of tryptophan replacement mutants with the crystal structure of the wild-type protein.
Topics: Base Sequence; Circular Dichroism; Drug Stability; Factor VIIa; Humans; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligodeoxyribonucleotides; Phenylalanine; Point Mutation; Protein Conformation; Protein Structure, Secondary; Recombinant Proteins; Restriction Mapping; Spectrometry, Fluorescence; Thromboplastin; Tryptophan; Tyrosine | 1995 |
Influence of the nature of the aromatic side-chain on the conductance of the channel of linear gramicidin: study of a series of 9,11,13,15-Tyr(O-protected) derivatives.
Topics: Amino Acid Sequence; Electric Conductivity; Gramicidin; Ion Channels; Membrane Lipids; Membranes; Molecular Sequence Data; Structure-Activity Relationship; Tryptophan; Tyrosine | 1993 |
Simultaneous determination of in vivo hydroxylation of tyrosine and tryptophan in rat striatum by microdialysis-HPLC: relationship between dopamine and serotonin biosynthesis.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Homovanillic Acid; Hydrazines; Hydroxyindoleacetic Acid; Hydroxylation; Kinetics; Levodopa; Male; Microdialysis; Rats; Rats, Wistar; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1993 |
Evidence by site-directed mutagenesis supports long-range electron transfer in mouse ribonucleotide reductase.
Topics: Alanine; Animals; Aspartic Acid; Base Sequence; Binding Sites; Electron Transport; Free Radicals; Hydrogen Bonding; Macromolecular Substances; Manganese; Mice; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Recombinant Proteins; Ribonucleotide Reductases; Structure-Activity Relationship; Tryptophan; Tyrosine | 1995 |
Involvement of Tyr24 and Trp108 in substrate binding and substrate specificity of glycolate oxidase.
Topics: Alcohol Oxidoreductases; Binding Sites; Crystallization; Kinetics; Oxalates; Oxalic Acid; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Tyrosine | 1995 |
Studies on the rate of selective uptake of amino acids by Trichinella larvae in vivo.
Topics: Alanine; Amino Acids; Animals; Biological Transport; Glycine; Helminth Proteins; Larva; Male; Mice; Mice, Inbred C57BL; Time Factors; Trichinella; Trichinella spiralis; Trichinellosis; Tritium; Tryptophan; Tyrosine | 1994 |
Characterization of phage that bind plastic from phage-displayed random peptide libraries.
Topics: Amino Acid Sequence; Animals; Bacteriophage M13; Capsid; Immunosorbent Techniques; Milk; Molecular Sequence Data; Peptides; Polysorbates; Polystyrenes; Polyvinyl Chloride; Recombinant Fusion Proteins; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1995 |
Fluorescence of tyrosine and tryptophan in proteins using one- and two-photon excitation.
Topics: Animals; Cattle; Humans; Photochemistry; Photons; Proteins; Purine-Nucleoside Phosphorylase; Serum Albumin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1995 |
Peroxynitrite-mediated oxidative protein modifications.
Topics: Animals; Cysteine; Electrophoresis, Polyacrylamide Gel; Fluorescence; Hydrogen-Ion Concentration; Male; Nitrates; Oxidation-Reduction; Oxidative Stress; Phenylhydrazines; Rats; Rats, Sprague-Dawley; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1995 |
Low concentrations of serum tyrosine in neuroleptic-free schizophrenics with an early onset.
Topics: Adult; Age of Onset; Brain; Chromatography, High Pressure Liquid; Homovanillic Acid; Humans; Male; Middle Aged; Phenylalanine; Schizophrenia; Tryptophan; Tyrosine | 1995 |
Location of the active site of the bean alpha-amylase inhibitor and involvement of a Trp, Arg, Tyr triad.
Topics: alpha-Amylases; Amino Acid Sequence; Arginine; Base Sequence; Binding Sites; Fabaceae; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligodeoxyribonucleotides; Phytohemagglutinins; Pisum sativum; Plant Lectins; Plant Proteins; Plants, Medicinal; Protein Conformation; Recombinant Proteins; Seeds; Sequence Homology, Amino Acid; Trypsin Inhibitors; Tryptophan; Tyrosine | 1995 |
Quantitation of tryptophan and tyrosine residues in proteins by fourth-derivative spectroscopy.
Topics: Enzymes; Oxidation-Reduction; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1994 |
Evidence for residual structures in an unfolded form of yeast phosphoglycerate kinase.
Topics: Guanidine; Guanidines; Mutagenesis, Site-Directed; Phenylalanine; Phosphoglycerate Kinase; Protein Conformation; Protein Folding; Saccharomyces cerevisiae; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Urea | 1995 |
Genetic aspects of aromatic amino acid biosynthesis in Lactococcus lactis.
Topics: 3-Phosphoshikimate 1-Carboxyvinyltransferase; Alkyl and Aryl Transferases; Amino Acid Sequence; Amino Acids; Bacterial Proteins; Base Sequence; Chorismate Mutase; Conserved Sequence; Escherichia coli Proteins; Folic Acid; Genes, Bacterial; Genetic Complementation Test; Lactococcus lactis; Molecular Sequence Data; Multienzyme Complexes; Operon; Phenylalanine; Phosphotransferases (Alcohol Group Acceptor); Prephenate Dehydratase; Promoter Regions, Genetic; Protein Sorting Signals; Sequence Alignment; Sequence Analysis, DNA; Shikimic Acid; Transferases; Tryptophan; Tyrosine | 1995 |
Second derivative spectroscopy of enolase at high hydrostatic pressure: an approach to the study of macromolecular interactions.
Topics: Hydrostatic Pressure; Macromolecular Substances; Muramidase; Phosphopyruvate Hydratase; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Yeasts | 1995 |
Contribution of aromatic moieties of tyrosine 133 and of the anionic subsite tryptophan 86 to catalytic efficiency and allosteric modulation of acetylcholinesterase.
Topics: Acetylcholinesterase; Allosteric Regulation; Binding Sites; Catalysis; Humans; In Vitro Techniques; Kinetics; Ligands; Models, Molecular; Mutagenesis, Site-Directed; Phosphorylation; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine | 1995 |
Identification of an essential tyrosyl residue in the binding site of Schizophyllum commune xylanase A.
Topics: Amino Acid Sequence; Amino Acids; Binding Sites; Bromosuccinimide; Chromatography, High Pressure Liquid; Endo-1,4-beta Xylanases; Hydrogen-Ion Concentration; Molecular Sequence Data; Schizophyllum; Spectrophotometry; Structure-Activity Relationship; Tryptophan; Tyrosine; Xylosidases | 1995 |
Mutation of a conserved amino acid residue (tryptophan 1173) in the tyrosine kinase domain of the IGF-I receptor abolishes autophosphorylation but does not eliminate biologic function.
Topics: 3T3 Cells; Amino Acid Sequence; Animals; Base Sequence; Binding Sites; Conserved Sequence; Deoxyglucose; DNA Primers; Mice; Molecular Sequence Data; Mutation; Phosphorylation; Protein-Tyrosine Kinases; Receptors, Somatomedin; Signal Transduction; Thymidine; Tryptophan; Tyrosine; Wheat Germ Agglutinins | 1995 |
Simultaneous monitoring of the environment of tryptophan, tyrosine, and phenylalanine residues in proteins by near-ultraviolet second-derivative spectroscopy.
Topics: Phenylalanine; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1994 |
[Determination of solvent accessibility of residues of aromatic amino acids in proteins using the second derivative of the UV-absorption spectrum].
Topics: Models, Theoretical; Proteins; Solvents; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1994 |
Transformation of albumin into melanin by hydroxyl radicals.
Topics: Electrophoresis, Polyacrylamide Gel; Hydroxyl Radical; Melanins; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1994 |
Modulation of the allosteric equilibrium of yeast chorismate mutase by variation of a single amino acid residue.
Topics: Allosteric Regulation; Chorismate Mutase; Mutagenesis, Site-Directed; Saccharomyces cerevisiae; Structure-Activity Relationship; Tryptophan; Tyrosine | 1995 |
Amino acid residues controlling reactivation of organophosphonyl conjugates of acetylcholinesterase by mono- and bisquaternary oximes.
Topics: Acetylcholinesterase; Amino Acid Sequence; Animals; Aspartic Acid; Binding Sites; Butyrylcholinesterase; Cell Line; CHO Cells; Cholinesterase Inhibitors; Cholinesterase Reactivators; Cricetinae; Cytomegalovirus; Exons; Humans; Kidney; Kinetics; Models, Molecular; Molecular Structure; Mutagenesis, Site-Directed; Oximes; Promoter Regions, Genetic; Protein Conformation; Pyridinium Compounds; Quinolinium Compounds; Recombinant Proteins; Stereoisomerism; Structure-Activity Relationship; Torpedo; Transfection; Tryptophan; Tyrosine | 1995 |
Peroxynitrite-dependent chemiluminescence of amino acids, proteins, and intact cells.
Topics: Amino Acids; Animals; Bicarbonates; Cells, Cultured; Fatty Acids; Hemin; Histones; Hydrogen-Ion Concentration; Luminescent Measurements; Nitrates; Nucleic Acids; Nucleotides; Oxidation-Reduction; Peroxides; Proteins; Serum Albumin, Bovine; Spectrophotometry; tert-Butylhydroperoxide; Trypanosomatina; Tryptophan; Tyrosine | 1995 |
Sensitivity and selectivity of the electrochemical detection of the copper(II) complexes of bioactive peptides, and comparison to model studies by rotating ring-disc electrode.
Topics: Amino Acid Sequence; Animals; Cattle; Chromatography, High Pressure Liquid; Copper; Cytochrome c Group; Electrochemistry; Electrodes; Molecular Sequence Data; Peptides; Sensitivity and Specificity; Trypsin; Tryptophan; Tyrosine | 1995 |
Simultaneous analyses of monoamines and their metabolites in urine specimens of patients with neuroblastoma.
Topics: Biogenic Monoamines; Chromatography, High Pressure Liquid; Electrochemistry; Humans; Infant; Nervous System Neoplasms; Neuroblastoma; Tryptophan; Tyrosine | 1993 |
Effect of 6R-L-erythro-5,6,7,8-tetrahydrobiopterin on the extracellular levels of dopamine and serotonin in the rat striatum: a microdialysis study with tyrosine or tryptophan infusion.
Topics: Amines; Animals; Biopterins; Corpus Striatum; Dopamine; Extracellular Space; Infusions, Parenteral; Male; Microdialysis; Rats; Rats, Sprague-Dawley; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1994 |
Synergistic action of near-UV and phenylalanine, tyrosine or tryptophan on the inactivation of phage T7: role of superoxide radicals and hydrogen peroxide.
Topics: Bacteriophage T7; DNA Damage; DNA, Viral; Dose-Response Relationship, Radiation; Escherichia coli; Free Radical Scavengers; Humans; Hydrogen Peroxide; Neoplasms, Radiation-Induced; Phenylalanine; Photosensitizing Agents; Skin Neoplasms; Sunlight; Superoxides; Tryptophan; Tyrosine; Ultraviolet Rays | 1994 |
Mechanism of 2-chloro-(epsilon-amino-Lys75)-[6-[4-(N,N- diethylamino)phenyl]-1,3,5-triazin-4-yl]calmodulin interactions with smooth muscle myosin light chain kinase and derived peptides.
Topics: Amino Acid Sequence; Animals; Brain Chemistry; Calmodulin; Cattle; Kinetics; Molecular Sequence Data; Muscle, Smooth; Myosin-Light-Chain Kinase; Peptide Fragments; Potassium Chloride; Spectrometry, Fluorescence; Swine; Tryptophan; Tyrosine | 1994 |
Identification of tryptophan and tyrosine residues in peptides separated by capillary electrophoresis by their second-derivative spectra using diode-array detection.
Topics: Amino Acid Sequence; Electrophoresis; Molecular Sequence Data; Peptides; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1994 |
The role of tryptophan 97 of cytochrome P450 BM3 from Bacillus megaterium in catalytic function. Evidence against the 'covalent switching' hypothesis of P-450 electron transfer.
Topics: Alanine; Bacillus megaterium; Bacterial Proteins; Base Sequence; Catalysis; Circular Dichroism; Cytochrome P-450 Enzyme System; DNA Primers; Electron Spin Resonance Spectroscopy; Electron Transport; Escherichia coli; Heme; Mixed Function Oxygenases; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; NADPH-Ferrihemoprotein Reductase; Phenylalanine; Protein Structure, Secondary; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1994 |
Fluorogenic peptides containing only alpha-amino acids.
Topics: Amino Acid Sequence; Angiotensinogen; Animals; Endopeptidases; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Oligopeptides; Phenylalanine; Renin; Spectrometry, Fluorescence; Substrate Specificity; Swine; Tryptophan; Tyrosine | 1994 |
Analysis of DNA-protein interactions by intrinsic fluorescence.
Topics: Binding Sites; DNA; DNA-Binding Proteins; Fluorescence; Kinetics; Photochemistry; Protein Binding; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1994 |
[Analysis of plasma amino acids-tryptophan and tyrosine ratios to other large neutral amino acids in manic-depressive illness].
Topics: Adolescent; Adult; Aged; Amino Acids; Bipolar Disorder; Female; Humans; Male; Middle Aged; Serotonin; Tryptophan; Tyrosine | 1994 |
Monoamine metabolites in the cerebrospinal fluid in infantile spinal muscular atrophy.
Topics: Biogenic Monoamines; Female; Humans; Infant; Infant, Newborn; Male; Spinal Muscular Atrophies of Childhood; Tryptophan; Tyrosine | 1994 |
Secondary structure and interaction of phage D108 Ner repressor with a 61-base-pair operator: evidence for altered protein and DNA structures in the complex.
Topics: Amides; Amino Acid Sequence; Base Sequence; Binding Sites; Coliphages; DNA-Binding Proteins; Helix-Loop-Helix Motifs; Molecular Sequence Data; Nucleic Acid Conformation; Operator Regions, Genetic; Protein Conformation; Repressor Proteins; Sequence Alignment; Sequence Homology, Amino Acid; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Viral Proteins; Viral Regulatory and Accessory Proteins | 1994 |
Enhancement of a kappa-opioid receptor agonist-induced analgesia by L-tyrosine and L-tryptophan.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics; Animals; Dose-Response Relationship, Drug; Drug Synergism; Male; Mice; Pain Measurement; Pyrrolidines; Receptors, Opioid, kappa; Tryptophan; Tyrosine | 1994 |
Determination of the pKa values of active-center cysteines, cysteines-32 and -35, in Escherichia coli thioredoxin by Raman spectroscopy.
Topics: Amino Acid Sequence; Aspartic Acid; Chemical Phenomena; Chemistry, Physical; Cysteine; Escherichia coli; Glutamates; Glutamic Acid; Hydrogen Bonding; Hydrogen-Ion Concentration; Molecular Sequence Data; Protein Conformation; Protein Structure, Secondary; Solutions; Spectrum Analysis, Raman; Thioredoxins; Tryptophan; Tyrosine | 1993 |
Predicting the topology of eukaryotic membrane proteins.
Topics: Aspartic Acid; Glutamates; Glutamic Acid; Membrane Proteins; Tryptophan; Tyrosine | 1993 |
Regulation of hypothalamic preprogrowth hormone-releasing factor messenger ribonucleic acid expression in food-deprived rats: a role for histaminergic neurotransmission.
Topics: Animals; Dietary Proteins; Food Deprivation; Gene Expression Regulation; Glutamates; Glutamic Acid; Growth Hormone-Releasing Hormone; Histamine; Histidine; Histidine Decarboxylase; Hypothalamus; Male; Methylhistidines; Neurotransmitter Agents; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger; Tryptophan; Tyrosine | 1993 |
Purification of the Escherichia coli regulatory protein TyrR and analysis of its interactions with ATP, tyrosine, phenylalanine, and tryptophan.
Topics: Adenosine Triphosphate; Base Sequence; Cell-Free System; Chromatography, Gel; Chromatography, Ion Exchange; DNA, Bacterial; Escherichia coli; Escherichia coli Proteins; Genes, Bacterial; Genes, Regulator; Kinetics; Macromolecular Substances; Molecular Sequence Data; Molecular Weight; Phenylalanine; Plasmids; Repressor Proteins; Restriction Mapping; Transcription Factors; Tryptophan; Tyrosine | 1994 |
X-ray crystallographic and calorimetric studies of the effects of the mutation Trp59-->Tyr in ribonuclease T1.
Topics: Amino Acid Sequence; Binding Sites; Calorimetry; Crystallography, X-Ray; Hydrogen Bonding; Models, Molecular; Models, Structural; Mutagenesis, Site-Directed; Nucleic Acid Conformation; Point Mutation; Polymerase Chain Reaction; Protein Structure, Secondary; Recombinant Proteins; Ribonuclease T1; Tryptophan; Tyrosine | 1994 |
Shift in pH-rate profile and enhanced discrimination between dicarboxylic and aromatic substrates in mitochondrial aspartate aminotransferase Y70H.
Topics: Amino Acid Sequence; Animals; Aspartate Aminotransferases; Aspartic Acid; Chickens; Circular Dichroism; Hydrogen-Ion Concentration; Kinetics; Mitochondria; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Recombinant Proteins; Spectrophotometry; Substrate Specificity; Tryptophan; Tyrosine | 1994 |
Capillary zone electrophoresis determination of phenylalanine in serum: a rapid, inexpensive and simple method for the diagnosis of phenylketonuria.
Topics: Capillary Action; Electrophoresis; Humans; Phenylalanine; Phenylketonurias; Quality Control; Tryptophan; Tyrosine | 1994 |
NADPH-initiated cytochrome P450-mediated free metal ion-independent oxidative damage of microsomal proteins. Exclusive prevention by ascorbic acid.
Topics: Adenosine Diphosphate; Animals; Ascorbic Acid; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 Enzyme System; Guinea Pigs; Hydrolysis; Iron; Male; Microsomes, Liver; NADP; Oxidation-Reduction; Proteins; Tryptophan; Tyrosine | 1994 |
Amino/aromatic interactions in proteins: is the evidence stacked against hydrogen bonding?
Topics: Amino Acid Sequence; Amino Acids; Arginine; Asparagine; Benzene; Calorimetry; Guanidine; Guanidines; Histidine; Hydrogen Bonding; Mathematics; Models, Molecular; Phenylalanine; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1994 |
Oxidative damage to lysozyme by the hydroxyl radical: comparative effects of scavengers.
Topics: Free Radical Scavengers; Hydroxyl Radical; Muramidase; Oxidation-Reduction; Tryptophan; Tyrosine | 1993 |
A tyrosine residue is involved in the allosteric binding of tryptophan to yeast chorismate mutase.
Topics: Amino Acid Sequence; Binding Sites; Chorismate Mutase; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Saccharomyces cerevisiae; Tetranitromethane; Tryptophan; Tyrosine | 1993 |
Met-8 of the beta 1-bungarotoxin phospholipase A2 subunit is essential for the phospholipase A2-independent neurotoxic effect.
Topics: Animals; Binding Sites; Bungarotoxins; Calcium; Chickens; Chloramines; Histidine; Methionine; Muscle Contraction; Muscles; Oxidation-Reduction; Phospholipases A; Phospholipases A2; Spectrometry, Fluorescence; Structure-Activity Relationship; Tosyl Compounds; Tryptophan; Tyrosine | 1993 |
Trp59 to Tyr substitution enhances the catalytic activity of RNase T1 and of the Tyr to Trp variants in positions 24, 42 and 45.
Topics: Base Sequence; Catalysis; Dinucleoside Phosphates; Esterification; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Ribonuclease T1; Tryptophan; Tyrosine | 1993 |
A 19F-NMR study of the membrane-binding region of D-lactate dehydrogenase of Escherichia coli.
Topics: DNA Mutational Analysis; Escherichia coli; Fluorine; Kinetics; L-Lactate Dehydrogenase; Lactate Dehydrogenases; Magnetic Resonance Spectroscopy; Membranes, Artificial; Mutagenesis, Site-Directed; Spin Labels; Tryptophan; Tyrosine | 1993 |
Glutathione levels of the human crystalline lens in aging and its antioxidant effect against the oxidation of lens proteins.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Aging; Antioxidants; Cataract; Child; Chromatography, High Pressure Liquid; Circular Dichroism; Crystallins; Glutathione; Glutathione Reductase; Humans; Lens, Crystalline; Middle Aged; Oxidation-Reduction; Protein Binding; Thiobarbituric Acid Reactive Substances; Tryptophan; Tyrosine | 1993 |
Roles of the aromatic residues conserved in the active center of Saccharomycopsis alpha-amylase for transglycosylation and hydrolysis activity.
Topics: alpha-Amylases; Amino Acid Sequence; Binding Sites; Conserved Sequence; Glycosylation; Hydrogen Bonding; Hydrolysis; Kinetics; Models, Molecular; Molecular Sequence Data; Molecular Structure; Mutagenesis, Site-Directed; Protein Structure, Secondary; Saccharomycopsis; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine | 1994 |
Compact thermally-denatured state of a staphylococcal nuclease mutant from resonance energy transfer measurements.
Topics: Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Fluorescent Dyes; Heating; Micrococcal Nuclease; Mutation; Naphthalenesulfonates; Protein Conformation; Protein Denaturation; Protein Structure, Tertiary; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 1993 |
Inhibition of 3,5,3'-triiodothyronine binding to its receptor in rat liver by protease inhibitors and substrates.
Topics: Animals; Liver; Male; Molecular Structure; Phenylmethylsulfonyl Fluoride; Protease Inhibitors; Protein Binding; Rats; Rats, Wistar; Receptors, Thyroid Hormone; Structure-Activity Relationship; Sulfones; Tosylarginine Methyl Ester; Tosylphenylalanyl Chloromethyl Ketone; Triiodothyronine; Tryptophan; Tyrosine | 1993 |
High-fat spreadable processed cheese for people with high blood cholesterol.
Topics: Animals; Anticholesteremic Agents; Buffaloes; Butter; Cattle; Cheese; Cholesterol; Fatty Acids, Volatile; Hot Temperature; Humans; Male; Rats; Solubility; Tryptophan; Tyrosine | 1993 |
Local variations in protein structure in the human eye lens: a Raman microspectroscopic study.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Aging; Crystallins; Eye Proteins; Humans; Lens, Crystalline; Microchemistry; Middle Aged; Phenylalanine; Protein Conformation; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1993 |
Tryptophanemia and tyrosinemia in adolescents with impulsive behavior.
Topics: Adolescent; Aggression; Amino Acids; Anorexia Nervosa; Borderline Personality Disorder; Female; Humans; Impulsive Behavior; Male; Schizophrenia; Schizophrenic Psychology; Serotonin; Social Behavior Disorders; Tryptophan; Tyrosine | 1993 |
Fluorescence properties of subtilisins and related proteinases (subtilases): relation to X-ray models.
Topics: Endopeptidases; Protein Conformation; Spectrometry, Fluorescence; Subtilisins; Tryptophan; Tyrosine; X-Ray Diffraction | 1993 |
Circular dichroism studies of barnase and its mutants: characterization of the contribution of aromatic side chains.
Topics: Bacterial Proteins; Circular Dichroism; Histidine; Hydrogen-Ion Concentration; Molecular Structure; Mutagenesis, Site-Directed; Protein Denaturation; Protein Structure, Secondary; Ribonucleases; Tryptophan; Tyrosine; Urea | 1993 |
Dynamic structural and functional relationships in recombinant plasminogen activator inhibitor-1 (rPAI-1).
Topics: Circular Dichroism; Escherichia coli; Humans; Hydrogen-Ion Concentration; Plasminogen Activator Inhibitor 1; Protein Conformation; Protein Structure, Secondary; Recombinant Proteins; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1993 |
Binding of DNA quenches tyrosine fluorescence of RecA without energy transfer to DNA bases.
Topics: Adenosine Triphosphate; DNA; DNA, Single-Stranded; Energy Transfer; Escherichia coli; Fluorescence; Rec A Recombinases; Sodium Chloride; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1993 |
Protein and amino acid oxidation is associated with increased chemiluminescence.
Topics: Antioxidants; Deferoxamine; Dimethyl Sulfoxide; Ethylamines; Heme; Histidine; Kinetics; Luminescent Measurements; Oxidation-Reduction; Oxygen Consumption; Peroxides; Piperazines; Pyridines; Serum Albumin, Bovine; Superoxide Dismutase; tert-Butylhydroperoxide; Tryptophan; Tyrosine | 1993 |
The transport mechanisms of organic cations and their zwitterionic derivatives across rat intestinal brush-border membrane. 1. Binding characteristics to the bio- and lipid-membranes.
Topics: Animals; Biological Transport; Cations; Intestinal Mucosa; Intestine, Small; Liposomes; Male; Microvilli; Phosphatidylserines; Rats; Rats, Wistar; Serotonin; Tryptamines; Tryptophan; Tyramine; Tyrosine | 1993 |
Rapid simultaneous determination of tryptophan and tyrosine in synthetic peptides by derivative spectroscopy.
Topics: Amino Acid Sequence; Chromatography, High Pressure Liquid; Hydrolysis; Molecular Sequence Data; Peptides; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1993 |
Characterization of proline-containing alpha-helix (helix F model of bacteriorhodopsin) by molecular dynamics studies.
Topics: Amino Acid Sequence; Bacteriorhodopsins; Computer Simulation; Hydrogen Bonding; Membrane Proteins; Models, Chemical; Models, Molecular; Molecular Sequence Data; Peptide Fragments; Proline; Protein Structure, Secondary; Tryptophan; Tyrosine | 1993 |
A novel member of the lipocalin superfamily: tammar wallaby late-lactation protein.
Topics: Amino Acid Sequence; Animals; Carrier Proteins; Lactation; Lactoglobulins; Lipocalin 1; Macropodidae; Milk Proteins; Molecular Sequence Data; Salivary Proteins and Peptides; Sequence Alignment; Tryptophan; Tyrosine | 1993 |
Aromatic side-chain contribution to far-ultraviolet circular dichroism of helical peptides and its effect on measurement of helix propensities.
Topics: Alanine; Amino Acid Sequence; Circular Dichroism; Molecular Sequence Data; Peptides; Protein Conformation; Protein Structure, Secondary; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Tryptophan; Tyrosine | 1993 |
Adaptability at the protein-DNA interface is an important aspect of sequence recognition by bZIP proteins.
Topics: Arginine; Base Sequence; Binding Sites; DNA; DNA-Binding Proteins; Fungal Proteins; Gene Expression Regulation, Fungal; Leucine; Leucine Zippers; Lysine; Molecular Sequence Data; Mutagenesis, Site-Directed; Protein Kinases; Regulatory Sequences, Nucleic Acid; Saccharomyces cerevisiae Proteins; Structure-Activity Relationship; Transcription Factors; Tryptophan; Tyrosine; Valine | 1993 |
Determination of the tryptophan:tyrosine ratio in proteins.
Topics: Amino Acid Sequence; Humans; Molecular Sequence Data; Proteins; Recombinant Proteins; Spectrophotometry, Ultraviolet; Thromboplastin; Tryptophan; Tyrosine | 1993 |
Neuroamine related compounds in the CSF of hydrocephalic rabbits.
Topics: Aging; Analysis of Variance; Animals; Chromatography, High Pressure Liquid; Homovanillic Acid; Hydrocephalus; Hydroxyindoleacetic Acid; Rabbits; Tryptophan; Tyrosine | 1995 |
Intravenous gamma-glutamyl-tyrosine elevates brain tyrosine but not catecholamine concentrations in normal rats.
Topics: Animals; Brain; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Dipeptides; Dopamine; Homovanillic Acid; Infusions, Intravenous; Male; Norepinephrine; Parenteral Nutrition, Total; Phenylalanine; Rats; Rats, Sprague-Dawley; Tryptophan; Tyrosine | 1996 |
Analysis of an Escherichia coli mutant TyrR protein with impaired capacity for tyrosine-mediated repression, but still able to activate at sigma 70 promoters.
Topics: Adenosine Triphosphatases; Adenosine Triphosphate; Base Sequence; Binding Sites; DNA Primers; DNA-Directed RNA Polymerases; DNA, Bacterial; Escherichia coli; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Promoter Regions, Genetic; Protein Conformation; Repressor Proteins; Sigma Factor; Tryptophan; Tyrosine | 1995 |
Evidence for two aromatic amino acid-binding sites, one ATP-dependent and the other ATP-independent, in the Escherichia coli regulatory protein TyrR.
Topics: Adenosine Triphosphate; Amino Acids; Binding Sites; Binding, Competitive; Escherichia coli; Escherichia coli Proteins; Kinetics; Phenylalanine; Protein Conformation; Repressor Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1995 |
How to measure and predict the molar absorption coefficient of a protein.
Topics: 1-Propanol; Chemical Phenomena; Chemistry, Physical; Cystine; Guanidine; Guanidines; Proteins; Solvents; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Urea; Water | 1995 |
Determination of the ratios of the aromatic amino acid residues by first- or second-derivative UV spectrometry for a simple characterization of peptides.
Topics: Amino Acid Sequence; Amino Acids; Animals; Benzene Derivatives; Cattle; Chromatography, High Pressure Liquid; Molecular Sequence Data; Peptides; Sequence Homology, Amino Acid; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1995 |
Closure of a tyrosine/tryptophan aromatic gate leads to a compact fold in apo flavodoxin.
Topics: Apoproteins; Crystallography, X-Ray; Flavin Mononucleotide; Flavodoxin; Models, Molecular; Protein Folding; Tryptophan; Tyrosine | 1996 |
An unknown hydrolase activity of human serum albumin: beta-lactamase activity.
Topics: Arginine; beta-Lactamases; Binding Sites; Binding, Competitive; Cephalosporins; Electrophoresis, Polyacrylamide Gel; Histidine; Hot Temperature; Humans; Indicators and Reagents; Lysine; Protein Binding; Serum Albumin; Tryptophan; Tyrosine | 1995 |
Mutation of Tyr235 in the NAD(H)-binding subunit of the proton-translocating nicotinamide nucleotide transhydrogenase of Rhodospirillum rubrum affects the conformational dynamics of a mobile loop and lowers the catalytic activity of the enzyme.
Topics: Asparagine; Binding Sites; Biological Transport; Catalysis; Magnetic Resonance Spectroscopy; NAD; NADP Transhydrogenases; Phenylalanine; Protein Conformation; Rhodospirillum rubrum; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Tyrosine | 1996 |
Role of aromatic transmembrane residues of the delta-opioid receptor in ligand recognition.
Topics: Amino Acid Sequence; Animals; Binding Sites; Computer Simulation; Ligands; Membrane Proteins; Mice; Molecular Sequence Data; Mutagenesis, Site-Directed; Narcotics; Phenylalanine; Protein Structure, Tertiary; Receptors, Opioid, delta; Recombinant Proteins; Structure-Activity Relationship; Tryptophan; Tyrosine | 1996 |
Comparison of the effects of ozone on the modification of amino acid residues in glutamine synthetase and bovine serum albumin.
Topics: Amino Acid Sequence; Amino Acids; Animals; Cattle; Escherichia coli; Glutamate-Ammonia Ligase; Histidine; Kinetics; Methionine; Molecular Sequence Data; Oligopeptides; Oxidation-Reduction; Ozone; Phenylalanine; Serum Albumin, Bovine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1996 |
Long-term effect of dexfenfluramine on amino acid profiles and food selection in obese patients during weight loss.
Topics: Adult; Amino Acids; Appetite Depressants; Dietary Fats; Dietary Proteins; Female; Fenfluramine; Food Preferences; Humans; Male; Obesity; Tryptophan; Tyrosine; Weight Loss | 1996 |
Identification of a critical ligand binding determinant of the human erythropoietin receptor. Evidence for common ligand binding motifs in the cytokine receptor family.
Topics: Alanine; Amino Acid Sequence; Animals; Binding Sites; Cell Line; Cell Membrane; Chlorocebus aethiops; Cloning, Molecular; Conserved Sequence; Erythropoietin; Escherichia coli; Humans; Kinetics; Ligands; Mice; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Protein Structure, Secondary; Receptors, Cytokine; Receptors, Erythropoietin; Recombinant Proteins; Sequence Homology, Amino Acid; Transfection; Tryptophan; Tyrosine | 1996 |
Regulation of the redox potentials of flavodoxins: modification of the flavin binding.
Topics: Aspartic Acid; Binding Sites; Desulfovibrio vulgaris; Flavin Mononucleotide; Flavodoxin; Hydrogen-Ion Concentration; Hydroquinones; Mutagenesis, Site-Directed; Oxidation-Reduction; Point Mutation; Recombinant Proteins; Thermodynamics; Tryptophan; Tyrosine | 1996 |
Aggression and personality: association with amino acids and monoamine metabolites.
Topics: Adult; Aged; Aged, 80 and over; Aggression; Amino Acids; Antisocial Personality Disorder; Blood-Brain Barrier; Brain; Extraversion, Psychological; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Neurotransmitter Agents; Personality Inventory; Reference Values; Serotonin; Tryptophan; Tyrosine | 1996 |
Native fluorescence detection and spectral differentiation of peptides containing tryptophan and tyrosine in capillary electrophoresis.
Topics: Electrophoresis, Capillary; Peptides; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1995 |
Distribution of solvent and ligand molecules around aromatic side chains in proteins and its implication on carbonic anhydrase catalytic mechanism.
Topics: Binding Sites; Carbonic Anhydrases; Catalysis; Humans; Hydrogen Bonding; Ligands; Models, Molecular; Oxygen; Protein Conformation; Proteins; Solvents; Tryptophan; Tyrosine; Water | 1996 |
Unaccustomed high-mileage vs intensity training-related changes in performance and serum amino acid levels.
Topics: Adult; Amino Acids; Arginine; Asparagine; Aspartic Acid; Cystine; Erythrocyte Count; Exercise Test; Fatigue; Glycine; Hematocrit; Hemoglobins; Humans; Lactates; Leukocyte Count; Lysine; Methionine; Phenylalanine; Physical Endurance; Prospective Studies; Running; Serine; Taurine; Tryptophan; Tyrosine | 1996 |
Interactions of oxime reactivators with diethylphosphoryl adducts of human acetylcholinesterase and its mutant derivatives.
Topics: Acetylcholinesterase; Amino Acid Sequence; Binding Sites; Cholinesterase Inhibitors; Cholinesterase Reactivators; Humans; Kinetics; Mutagenesis, Site-Directed; Organophosphorus Compounds; Oximes; Paraoxon; Phenylalanine; Point Mutation; Recombinant Proteins; Trimedoxime; Tryptophan; Tyrosine | 1996 |
Roles of Tyr103 and Tyr264 in the regulation of RecA-DNA interactions by nucleotide cofactors.
Topics: Amino Acid Sequence; DNA; DNA-Binding Proteins; Mutagenesis, Site-Directed; Nucleic Acid Conformation; Polydeoxyribonucleotides; Protein Conformation; Rec A Recombinases; Recombinant Proteins; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Tryptophan; Tyrosine | 1996 |
Effect of transmembrane helix packing on tryptophan and tyrosine environments in detergent-solubilized bacterio-opsin.
Topics: Amino Acid Sequence; Bacteriorhodopsins; Cholic Acids; Cluster Analysis; Detergents; Dimyristoylphosphatidylcholine; Halobacterium; Least-Squares Analysis; Magnetic Resonance Spectroscopy; Micelles; Molecular Sequence Data; Peptide Fragments; Protein Folding; Purple Membrane; Sodium Dodecyl Sulfate; Spectrophotometry, Ultraviolet; Surface-Active Agents; Tryptophan; Tyrosine | 1996 |
Influence of rhodamine 123 on the photosensitizing properties of porphyrins.
Topics: Cations; Electron Spin Resonance Spectroscopy; Free Radicals; Histidine; Light; Methionine; Oxygen; Photochemistry; Photosensitizing Agents; Porphyrins; Rhodamine 123; Rhodamines; Singlet Oxygen; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 1996 |
Comparative molecular field analysis of haptens docked to the multispecific antibody IgE(Lb4)
Topics: Antibodies, Monoclonal; Antigens; Computer Simulation; Haptens; Hydrogen Bonding; Immunoglobulin E; Models, Molecular; Molecular Structure; Structure-Activity Relationship; Tryptophan; Tyrosine | 1996 |
Action on bovine alpha s1-casein of cardosins A and B, aspartic proteinases from the flowers of the cardoon Cynara cardunculus L.
Topics: Animals; Arginine; Aspartic Acid Endopeptidases; Caseins; Cattle; Molecular Weight; Peptide Fragments; Phenylalanine; Plant Proteins; Plants; Sequence Analysis; Substrate Specificity; Tryptophan; Tyrosine | 1996 |
Cation-pi interactions in aromatics of biological and medicinal interest: electrostatic potential surfaces as a useful qualitative guide.
Topics: Benzene; Benzene Derivatives; Cations, Monovalent; Computer Simulation; Gases; Histidine; Models, Molecular; Phenylalanine; Sodium; Static Electricity; Tryptophan; Tyrosine | 1996 |
Tyrosine and tryptophan derivatives in pig lumbar cerebrospinal fluid. Effects of subchronic administration of dopa associated with benserazide.
Topics: 3,4-Dihydroxyphenylacetic Acid; Administration, Oral; Animals; Benserazide; Drug Interactions; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Kynurenine; Levodopa; Male; Methoxyhydroxyphenylglycol; Normetanephrine; Swine; Tryptamines; Tryptophan; Tyrosine | 1996 |
Time-resolved fluorescence. An approach in protein analysis.
Topics: Animals; Cattle; Humans; Models, Theoretical; Phenylalanine; Proteins; Sensitivity and Specificity; Serum Albumin; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Time Factors; Tryptophan; Tyrosine | 1996 |
Enzymatic properties of mutant enzymes at Trp49 and Tyr57 of RNase Rh from Rhizopus niveus.
Topics: Amino Acid Sequence; Base Sequence; Endoribonucleases; Hydrolysis; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Nucleotides; Rhizopus; RNA, Fungal; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Tyrosine | 1996 |
Dissociation equilibrium of human recombinant interferon gamma.
Topics: Biopolymers; Fluorescence Polarization; Humans; Interferon-gamma; Mathematics; Protein Conformation; Recombinant Proteins; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 1996 |
Intrinsic fluorescence studies of the chaperonin GroEL containing single Tyr --> Trp replacements reveal ligand-induced conformational changes.
Topics: Adenosine Diphosphate; Adenylyl Imidodiphosphate; Chaperonin 60; Magnesium; Mutagenesis, Site-Directed; Potassium; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1996 |
Ultraviolet resonance Raman evidence for the absence of tyrosinate in octopus rhodopsin and the participation of Trp residues in the transition to acid metarhodopsin.
Topics: Animals; Hydrogen Bonding; Molecular Conformation; Octopodiformes; Protein Structure, Secondary; Rhodopsin; Schiff Bases; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1996 |
Mutational analysis of the feedback sites of phenylalanine-sensitive 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase of Escherichia coli.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Cloning, Molecular; DNA Mutational Analysis; Dose-Response Relationship, Drug; Escherichia coli; Feedback; Isoenzymes; Phenylalanine; Sequence Analysis, DNA; Tryptophan; Tyrosine | 1997 |
Modification of protein surface hydrophobicity and methionine oxidation by oxidative systems.
Topics: Aging; Animals; Methionine; Oxidation-Reduction; Proteins; Rats; Rats, Inbred F344; Tryptophan; Tyrosine | 1997 |
Conformations and orientations of aromatic amino acid residues of tachyplesin I in phospholipid membranes.
Topics: Amino Acid Sequence; Amino Acids; Animals; Anti-Infective Agents; Antimicrobial Cationic Peptides; Circular Dichroism; DNA-Binding Proteins; Fluorescence Polarization; Horseshoe Crabs; Kinetics; Liposomes; Models, Molecular; Molecular Sequence Data; Peptides, Cyclic; Phenylalanine; Phosphatidylcholines; Phosphatidylglycerols; Protein Conformation; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1997 |
Pulse radiolysis studies of intramolecular electron transfer in model peptides and proteins. 7. Trp-->TyrO radical transformation in hen egg-white lysozyme. Effects of pH, temperature, Trp62 oxidation and inhibitor binding.
Topics: Animals; Chickens; Electron Transport; Enzyme Inhibitors; Free Radicals; Hydrogen-Ion Concentration; Kinetics; Muramidase; Oxidation-Reduction; Pulse Radiolysis; Temperature; Tryptophan; Tyrosine | 1997 |
Strategies for handling polypeptides on a microscale.
Topics: Amino Acid Sequence; Chromatography, High Pressure Liquid; Cysteine; Microchemistry; Molecular Sequence Data; Peptides; Proteins; Sequence Analysis; Specimen Handling; Tryptophan; Tyrosine | 1997 |
High-performance liquid chromatography on-line derivative spectroscopy for the characterization of peptides with aromatic amino acid residues.
Topics: Amino Acids; Chromatography, High Pressure Liquid; Mathematics; Peptide Fragments; Phenylalanine; Phosphotyrosine; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1997 |
[Monoamines, monoamine metabolites, neuron specific enolase and myelin basic protein concentrations in cerebrospinal fluid of resuscitated patients].
Topics: Adult; Aged; Aged, 80 and over; Biogenic Monoamines; Brain Death; Cardiopulmonary Resuscitation; Dopamine; Female; Glasgow Coma Scale; Humans; Hydroxyindoleacetic Acid; Hypoxia, Brain; Male; Metanephrine; Methoxyhydroxyphenylglycol; Middle Aged; Myelin Basic Protein; Persistent Vegetative State; Phosphopyruvate Hydratase; Prognosis; Time Factors; Treatment Outcome; Tryptophan; Tyrosine; Vanillic Acid | 1997 |
Compound heterozygosity for two novel missense mutations in the prothrombin gene in a patient with a severe bleeding tendency.
Topics: Blood Coagulation Factors; Cysteine; Female; Genetic Predisposition to Disease; Genetic Variation; Hemorrhage; Heterozygote; Humans; Hypoprothrombinemias; Infant, Newborn; Point Mutation; Prothrombin; Reference Values; Sequence Analysis, DNA; Tryptophan; Tyrosine | 1997 |
Energy profile of maltooligosaccharide permeation through maltoporin as derived from the structure and from a statistical analysis of saccharide-protein interactions.
Topics: Bacterial Outer Membrane Proteins; Binding Sites; Carbohydrate Conformation; Crystallography, X-Ray; Hydrogen Bonding; Models, Molecular; Oligosaccharides; Porins; Protein Structure, Secondary; Receptors, Virus; Salmonella typhimurium; Substrate Specificity; Thermodynamics; Tryptophan; Tyrosine | 1997 |
[A method of calculation of accessibility to solvent of aromatic amino acid residues of proteins in water-organic mixtures].
Topics: Proteins; Solubility; Solvents; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1996 |
The crystal structure of Citrobacter freundii tyrosine phenol-lyase complexed with 3-(4'-hydroxyphenyl)propionic acid, together with site-directed mutagenesis and kinetic analysis, demonstrates that arginine 381 is required for substrate specificity.
Topics: Arginine; Catalysis; Citrobacter freundii; Crystallization; Crystallography, X-Ray; Isoleucine; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Phenylpropionates; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Tyrosine Phenol-Lyase; Valine | 1997 |
Effects of delayed treatment with nebracetam on neurotransmitters in brain regions after microsphere embolism in rats.
Topics: Acetylcholine; Animals; Brain; Brain Ischemia; Choline; Dopamine; Intracranial Embolism and Thrombosis; Male; Neurotransmitter Agents; Pyrrolidinones; Rats; Rats, Wistar; Tryptophan; Tyrosine | 1997 |
Antimicrobial activity of viridiofungins.
Topics: Antifungal Agents; Bridged Bicyclo Compounds, Heterocyclic; Citrates; Enzyme Inhibitors; Farnesyl-Diphosphate Farnesyltransferase; Fermentation; Microbial Sensitivity Tests; Phenylalanine; Tricarboxylic Acids; Tryptophan; Tyrosine | 1997 |
Viridiofungins, novel inhibitors of sphingolipid synthesis.
Topics: Acyltransferases; Antifungal Agents; Citrates; Enzyme Inhibitors; Farnesyl-Diphosphate Farnesyltransferase; Microbial Sensitivity Tests; Phenylalanine; Serine C-Palmitoyltransferase; Sphingolipids; Tryptophan; Tyrosine | 1997 |
Amino acid residues responsible for galactose recognition in yeast Gal2 transporter.
Topics: Amino Acid Sequence; Amino Acids; Base Sequence; Binding Sites; Biological Transport, Active; Calcium-Binding Proteins; Carrier Proteins; Galactose; Glucose; Glucose Transport Proteins, Facilitative; Kinetics; Membrane Proteins; Models, Molecular; Molecular Sequence Data; Monosaccharide Transport Proteins; Mutagenesis, Site-Directed; Periplasmic Binding Proteins; Protein Structure, Secondary; Recombinant Fusion Proteins; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Tryptophan; Tyrosine | 1997 |
Characterisation of the molybdenum-responsive ModE regulatory protein and its binding to the promoter region of the modABCD (molybdenum transport) operon of Escherichia coli.
Topics: Bacterial Proteins; Base Sequence; Binding Sites; Biological Transport; Circular Dichroism; DNA Footprinting; DNA Primers; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Molecular Sequence Data; Molybdenum; Operon; Promoter Regions, Genetic; Protein Binding; Protein Structure, Secondary; Repressor Proteins; Spectrometry, Fluorescence; Transcription Factors; Transcription, Genetic; Tryptophan; Tungsten Compounds; Tyrosine | 1997 |
Trp128Tyr mutation in the N-lobe of recombinant human serum transferrin: 1H- and 15N-NMR and metal binding studies.
Topics: 1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium Salt; Binding Sites; Circular Dichroism; Humans; Iron; Magnetic Resonance Spectroscopy; Models, Molecular; Mutagenesis, Site-Directed; Protein Conformation; Recombinant Proteins; Transferrin; Tryptophan; Tyrosine | 1997 |
Ovulation rate and the concentrations of LH, FSH, GH, prolactin and insulin in ewes infused with tryptophan, tyrosine or tyrosine plus phenylalanine during the luteal phase of the oestrous cycle.
Topics: Animals; Female; Follicle Stimulating Hormone; Growth Hormone; Infusions, Intravenous; Insulin; Luteal Phase; Luteinizing Hormone; Ovulation; Phenylalanine; Prolactin; Sheep; Tryptophan; Tyrosine | 1997 |
The co-crystal structure of unliganded bovine alpha-thrombin and prethrombin-2: movement of the Tyr-Pro-Pro-Trp segment and active site residues upon ligand binding.
Topics: Animals; Binding Sites; Blood Coagulation; Cattle; Crystallography, X-Ray; Enzyme Precursors; Fibrinogen; Humans; Ligands; Molecular Sequence Data; Motion; Proline; Protein Conformation; Prothrombin; Species Specificity; Thrombin; Tryptophan; Tyrosine | 1997 |
Identification of conserved aromatic residues essential for agonist binding and second messenger production at 5-hydroxytryptamine2A receptors.
Topics: Animals; Binding Sites; Bufotenin; COS Cells; DOM 2,5-Dimethoxy-4-Methylamphetamine; Ligands; Phenylalanine; Phosphatidylinositols; Protein Structure, Secondary; Receptor, Serotonin, 5-HT2A; Receptors, Serotonin; Second Messenger Systems; Serotonin; Serotonin Receptor Agonists; Structure-Activity Relationship; Tryptophan; Tyrosine | 1997 |
Stability studies of amino acid substitutions at tyrosine 27 of the staphylococcal nuclease beta-barrel.
Topics: Amino Acid Sequence; Enzyme Stability; Mass Spectrometry; Micrococcal Nuclease; Mutagenesis, Site-Directed; Protein Denaturation; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1997 |
Correcting the circular dichroism spectra of peptides for contributions of absorbing side chains.
Topics: Amino Acid Sequence; Circular Dichroism; Cysteine; Methionine; Molecular Sequence Data; Peptides; Phenylalanine; Protein Structure, Secondary; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1997 |
Molecular dynamics of individual alpha-helices of bacteriorhodopsin in dimyristol phosphatidylocholine. I. Structure and dynamics.
Topics: Amino Acid Sequence; Bacteriorhodopsins; Computer Simulation; Dimyristoylphosphatidylcholine; Hydrogen Bonding; Lipid Bilayers; Liposomes; Models, Molecular; Molecular Sequence Data; Proline; Protein Structure, Secondary; Software; Tryptophan; Tyrosine | 1997 |
Ultraviolet resonance Raman examination of the light-induced protein structural changes in rhodopsin activation.
Topics: Animals; Cattle; Light; Models, Molecular; Octopodiformes; Protein Conformation; Rhodopsin; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Structure-Activity Relationship; Tryptophan; Tyrosine | 1997 |
Mechanisms of catalysis and allosteric regulation of yeast chorismate mutase from crystal structures.
Topics: Bacillus subtilis; Binding Sites; Bridged Bicyclo Compounds; Chorismate Mutase; Chorismic Acid; Crystallography, X-Ray; Enzyme Inhibitors; Escherichia coli; Models, Molecular; Mutation; Protein Conformation; Tryptophan; Tyrosine; Yeasts | 1997 |
Organizing and computing metabolic pathway data in terms of binary relations.
Topics: Animals; Computer Simulation; Computing Methodologies; Databases as Topic; Enzymes; Genes; Haemophilus influenzae; Information Storage and Retrieval; MEDLINE; Metabolism; Models, Biological; Phenylalanine; Programming Languages; Tryptophan; Tyrosine | 1997 |
Calcium binding to recoverin: implications for secondary structure and membrane association.
Topics: Animals; Calcium; Calcium-Binding Proteins; Cattle; Circular Dichroism; Egtazic Acid; Eye Proteins; Hippocalcin; Lipoproteins; Membranes; Nerve Tissue Proteins; Protein Binding; Protein Conformation; Protein Structure, Secondary; Recoverin; Rod Cell Outer Segment; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1997 |
Differential stabilization of the three FMN redox forms by tyrosine 94 and tryptophan 57 in flavodoxin from Anabaena and its influence on the redox potentials.
Topics: Anabaena; Computer Simulation; Flavin Mononucleotide; Flavodoxin; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Oxidation-Reduction; Point Mutation; Protein Conformation; Recombinant Proteins; Spectrometry, Fluorescence; Spectrophotometry; Thermodynamics; Tryptophan; Tyrosine | 1997 |
Tyrosine and tryptophan structure markers in hemoglobin ultraviolet resonance Raman spectra: mode assignments via subunit-specific isotope labeling of recombinant protein.
Topics: Crystallography, X-Ray; Deuterium; Deuterium Oxide; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Hemoglobins; Humans; Hydrogen Bonding; Mass Spectrometry; Models, Molecular; Protein Conformation; Recombinant Proteins; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1997 |
Comparison of the physiologically equivalent proteins cytochrome c6 and plastocyanin on the basis of their electrostatic potentials. Tryptophan 63 in cytochrome c6 may be isofunctional with tyrosine 83 in plastocyanin.
Topics: Algorithms; Animals; Azurin; Bacterial Proteins; Chlamydomonas reinhardtii; Copper; Cytochromes; Cytochromes f; Electron Transport; Models, Molecular; Photosynthesis; Plant Proteins; Plastocyanin; Protein Structure, Secondary; Protein Structure, Tertiary; Pseudomonas aeruginosa; Structure-Activity Relationship; Tryptophan; Tyrosine | 1997 |
May peripheral and central fatigue be correlated? Can we monitor them by means of clinical laboratory tools?
Topics: Adult; Amino Acids; Amino Acids, Branched-Chain; Biomarkers; Chromatography, High Pressure Liquid; Fatigue; Fatty Acids; Follow-Up Studies; Humans; Hydrocortisone; Hydroxyindoleacetic Acid; Hypoxanthine; Immunoenzyme Techniques; Inosine; Male; Muscle Fatigue; Phenylalanine; Physical Exertion; Purines; Serotonin; Tryptophan; Tyrosine; Xanthine | 1997 |
Effect of meal composition on alertness and performance of hospital night-shift workers. Do mood and performance have different determinants?
Topics: Adult; Affect; Amino Acids; Blood Glucose; Circadian Rhythm; Cognition; Diet; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Employee Performance Appraisal; Fatigue; Female; Food Analysis; Humans; Insulin; Male; Night Care; Personnel, Hospital; Tryptophan; Tyrosine | 1997 |
Role of hydrophobic amino acids in gurmarin, a sweetness-suppressing polypeptide.
Topics: Amino Acid Sequence; Amino Acids; Animals; Disulfides; Drug Interactions; Glutamine; Glycine; Isoleucine; Leucine; Magnetic Resonance Spectroscopy; Male; Molecular Sequence Data; Plant Proteins; Proline; Rats; Rats, Wistar; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Sweetening Agents; Taste; Tryptophan; Tyrosine | 1998 |
UV resonance Raman spectroscopy of DNA and protein constituents of viruses: assignments and cross sections for excitations at 257, 244, 238, and 229 nm.
Topics: Deoxyadenosines; Deoxycytidine; Deoxyguanosine; DNA Viruses; DNA, Viral; Phenylalanine; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Sulfates; Thymidine; Tryptophan; Tyrosine; Viral Proteins | 1998 |
Site-specific spin trapping of tyrosine radicals in the oxidation of metmyoglobin by hydrogen peroxide.
Topics: Amino Acid Substitution; Animals; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Free Radicals; Horses; Hydrogen Peroxide; Metmyoglobin; Models, Chemical; Oxidation-Reduction; Phenylalanine; Protein Conformation; Spectrometry, Mass, Secondary Ion; Spin Labels; Tryptophan; Tyrosine | 1998 |
Separation of inhibition and activation of the allosteric yeast chorismate mutase.
Topics: Allosteric Regulation; Allosteric Site; Chorismate Mutase; Enzyme Activation; Models, Biological; Models, Molecular; Mutation; Protein Structure, Secondary; Saccharomyces cerevisiae; Tryptophan; Tyrosine | 1998 |
Identification of histidine residues in the sugar binding site of snake gourd (Trichosanthes anguina) seed lectin.
Topics: Binding Sites; Cysteine; Galactose; Histidine; Imidazoles; Lectins; Lysine; Plant Lectins; Plant Proteins; Seeds; Tryptophan; Tyrosine | 1998 |
Raman spectroscopic analysis of Tet repressor-operator DNA interaction in deuterium oxide.
Topics: Bacterial Proteins; Buffers; Deuterium Oxide; DNA-Binding Proteins; Helix-Turn-Helix Motifs; Histidine; Models, Molecular; Nucleic Acid Conformation; Operator Regions, Genetic; Peptides; Protein Structure, Secondary; Repressor Proteins; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Water | 1998 |
Steady state and time-resolved fluorescence study of residual structures in an unfolded form of yeast phosphoglycerate kinase.
Topics: Acrylamide; Acrylamides; Cold Temperature; Diffusion; Guanidine; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Phosphoglycerate Kinase; Protein Conformation; Protein Denaturation; Protein Folding; Saccharomyces cerevisiae; Solvents; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Viscosity | 1998 |
Bilirubin is an effective antioxidant of peroxynitrite-mediated protein oxidation in human blood plasma.
Topics: Antioxidants; Bilirubin; Blood Proteins; Carbon Dioxide; Fluorescence; Humans; Hydrogen-Ion Concentration; Nitrates; Oxidation-Reduction; Peroxides; Sodium Bicarbonate; Spectrophotometry; Tryptophan; Tyrosine | 1998 |
Chemical modifications and dissociation characteristics of tyrosine and tryptophan residues in alpha-crystallin.
Topics: Crystallins; Protein Denaturation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1997 |
Tryptophan depletion during continuous CSF sampling in healthy human subjects.
Topics: Adult; Affect; Brain; Catheters, Indwelling; Diet; Drinking; Female; Humans; Hydroxyindoleacetic Acid; Male; Serotonin; Tryptophan; Tyrosine | 1998 |
How the substitution of K188 of trypsin binding site by aromatic amino acids can influence the processing of beta-casein.
Topics: Amino Acid Sequence; Amino Acids, Cyclic; Binding Sites; Caseins; Hydrogen-Ion Concentration; Hydrolysis; Lysine; Models, Molecular; Molecular Sequence Data; Mutation; Peptide Fragments; Peptides; Phenylalanine; Protein Conformation; Substrate Specificity; Trypsin; Tryptophan; Tyrosine | 1998 |
pi-Stacking interactions. Alive and well in proteins.
Topics: Crystallography, X-Ray; Databases, Factual; Dimerization; Histidine; Models, Chemical; Phenylalanine; Protein Conformation; Proteins; Static Electricity; Tryptophan; Tyrosine | 1998 |
Tyrosine quenching of tryptophan phosphorescence in glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus.
Topics: Geobacillus stearothermophilus; Glyceraldehyde-3-Phosphate Dehydrogenases; Kinetics; Luminescence; Mutagenesis, Site-Directed; Point Mutation; Recombinant Proteins; Thermodynamics; Tryptophan; Tyrosine | 1998 |
Tyrosine and tryptophan act through the same binding site at the dimer interface of yeast chorismate mutase.
Topics: Allosteric Regulation; Binding Sites; Chorismate Mutase; Codon; Dimerization; Glycine; Models, Chemical; Mutagenesis, Site-Directed; Saccharomyces cerevisiae; Serine; Threonine; Tryptophan; Tyrosine | 1998 |
Progressive decline in the ability of calmodulin isolated from aged brain to activate the plasma membrane Ca-ATPase.
Topics: Aging; Amino Acid Sequence; Animals; Brain Chemistry; Calcium; Calcium-Transporting ATPases; Calmodulin; Circular Dichroism; Electrophoresis, Polyacrylamide Gel; Enzyme Activation; Erythrocyte Membrane; Mass Spectrometry; Methionine; Molecular Sequence Data; Oxidation-Reduction; Protein Binding; Protein Processing, Post-Translational; Protein Structure, Secondary; Rats; Rats, Inbred F344; Spectrometry, Fluorescence; Swine; Thermodynamics; Tryptophan; Tyrosine | 1998 |
Endogenous alkaloids in the brain of rats loaded with tyrosine/tryptophan & in the serum of patients of neurodegenerative & psychiatric disorders.
Topics: Alkaloids; Animals; Bipolar Disorder; Brain; Chromatography, High Pressure Liquid; Epilepsy; Female; Humans; Parkinson Disease; Rats; Rats, Sprague-Dawley; Tryptophan; Tyrosine | 1998 |
Differential scanning calorimetry study of the thermodynamic stability of some mutants of Sso7d from Sulfolobus solfataricus.
Topics: Alanine; Amino Acid Substitution; Archaeal Proteins; Calorimetry, Differential Scanning; DNA-Binding Proteins; Hydrogen-Ion Concentration; Mutagenesis, Site-Directed; Osmolar Concentration; Phenylalanine; Protein Denaturation; Sulfolobus; Thermodynamics; Tryptophan; Tyrosine | 1998 |
Trp82 and Tyr332 are involved in two quaternary ammonium binding domains of human butyrylcholinesterase as revealed by photoaffinity labeling with [3H]DDF.
Topics: Amino Acid Sequence; Animals; Binding Sites; Borates; Butyrylcholinesterase; Diazonium Compounds; Humans; Mass Spectrometry; Models, Molecular; Molecular Sequence Data; Peptide Fragments; Photoaffinity Labels; Protein Structure, Tertiary; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Swine; Tritium; Tryptophan; Tyrosine | 1998 |
Ultraviolet resonance Raman study of drug binding in dihydrofolate reductase, gyrase, and catechol O-methyltransferase.
Topics: Amino Acid Sequence; Animals; Binding Sites; Catechol O-Methyltransferase; Catechols; DNA Topoisomerases, Type II; Enzyme Inhibitors; Escherichia coli; Liver; Molecular Sequence Data; Mutagenesis, Site-Directed; Novobiocin; Point Mutation; Protein Conformation; Rats; Recombinant Proteins; Spectrum Analysis, Raman; Staphylococcus aureus; Tetrahydrofolate Dehydrogenase; Trimethoprim; Tryptophan; Tyrosine; Ultraviolet Rays | 1998 |
Catalytic site nucleotide binding and hydrolysis in F1F0-ATP synthase.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Binding Sites; Catalysis; Hydrolysis; Kinetics; Magnesium; Mutagenesis, Site-Directed; Proteolipids; Proton Pumps; Proton-Translocating ATPases; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1998 |
Spectroscopic properties and stability of the neurotoxic complex. Vipoxin and its components.
Topics: Acrylamide; Acrylamides; Drug Stability; Energy Transfer; Enzyme Inhibitors; Guanidine; Kinetics; Models, Molecular; Neurotoxins; Phospholipases A; Phospholipases A2; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Viper Venoms | 1998 |
In vitro effects of oxygen-derived free radicals on type I and type II cAMP-dependent protein kinases.
Topics: Animals; Catalysis; Cyclic AMP; Cyclic AMP-Dependent Protein Kinase Type II; Cyclic AMP-Dependent Protein Kinases; Hydroxyl Radical; Phosphotransferases; Protein Binding; Rabbits; Superoxides; Tryptophan; Tyrosine | 1998 |
Thermal stabilization of multimeric proteins: a case study with alpha-globulin.
Topics: Densitometry; Globins; Glycerol; Hot Temperature; Humans; Macromolecular Substances; Protein Denaturation; Seeds; Solvents; Sorbitol; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Sucrose; Thermodynamics; Tryptophan; Tyrosine | 1998 |
Transient kinetic studies on the interaction of Ras and the Ras-binding domain of c-Raf-1 reveal rapid equilibration of the complex.
Topics: Fluorescent Dyes; Guanosine Diphosphate; Guanosine Triphosphate; Humans; Kinetics; Macromolecular Substances; Mutagenesis, Site-Directed; ortho-Aminobenzoates; Peptide Fragments; Protein Binding; Proto-Oncogene Proteins c-raf; ras Proteins; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 1998 |
Raman and CD spectroscopy of recombinant 68-kDa DNA human topoisomerase I and its complex with suicide DNA-substrate.
Topics: Algorithms; Amino Acid Sequence; Circular Dichroism; Disulfides; DNA Topoisomerases, Type I; Humans; Macromolecular Substances; Molecular Sequence Data; Molecular Weight; Oligonucleotides; Protein Conformation; Protein Structure, Secondary; Recombinant Proteins; Spectrum Analysis, Raman; Substrate Specificity; Tryptophan; Tyrosine | 1998 |
Heterodimer formation and crystal nucleation of gramicidin D.
Topics: Anti-Bacterial Agents; Crystallization; Crystallography, X-Ray; Dimerization; Gramicidin; Hydrogen Bonding; Models, Molecular; Molecular Conformation; Protein Folding; Protein Structure, Secondary; Solvents; Tryptophan; Tyrosine | 1998 |
The perturbations of the native state of goat alpha-lactalbumin induced by 1,1'-bis(4-anilino-5-naphthalenesulfonate) are Ca2+-dependent.
Topics: Anilino Naphthalenesulfonates; Animals; Calcium; Calcium-Binding Proteins; Circular Dichroism; Fluorescence; Fluorescent Dyes; Goats; Kinetics; Lactalbumin; Protein Binding; Protein Conformation; Protein Denaturation; Temperature; Tryptophan; Tyrosine | 1998 |
Kinetic analysis and X-ray structure of haloalkane dehalogenase with a modified halide-binding site.
Topics: Acetic Acid; Binding Sites; Bromides; Crystallography, X-Ray; Enzyme Activation; Ethylene Dibromide; Hydrogen-Ion Concentration; Hydrolases; Kinetics; Mutagenesis, Site-Directed; Spectrometry, Fluorescence; Substrate Specificity; Tryptophan; Tyrosine | 1998 |
Water soluble antioxidants in mammalian aqueous humor: interaction with UV B and hydrogen peroxide.
Topics: Aged; Analysis of Variance; Animals; Antioxidants; Aqueous Humor; Ascorbic Acid; Cataract; Chromatography, High Pressure Liquid; Cysteine; Disease Models, Animal; Female; Glutathione; Humans; Hydrogen Peroxide; Mammals; Oxidants; Rabbits; Rats; Rats, Sprague-Dawley; Tryptophan; Tyrosine; Ultraviolet Rays; Uric Acid | 1998 |
An antagonist peptide-EPO receptor complex suggests that receptor dimerization is not sufficient for activation.
Topics: Amino Acid Sequence; Animals; Conserved Sequence; Crystallography, X-Ray; Dimerization; DNA-Binding Proteins; Erythropoietin; Humans; Mice; Milk Proteins; Models, Molecular; Molecular Sequence Data; Peptides, Cyclic; Phosphorylation; Protein Conformation; Receptors, Erythropoietin; Recombinant Fusion Proteins; Signal Transduction; STAT5 Transcription Factor; Trans-Activators; Tryptophan; Tyrosine | 1998 |
Tryptophan fluorescence of the lux-specific Vibrio harveyi acyl-ACP thioesterase and its tryptophan mutants: structural properties and ligand-induced conformational change.
Topics: Acrylamide; Acyltransferases; Bacterial Proteins; Kinetics; Ligands; Mutagenesis, Site-Directed; Protein Conformation; Recombinant Proteins; Spectrometry, Fluorescence; Substrate Specificity; Thiolester Hydrolases; Tryptophan; Tyrosine; Vibrio | 1998 |
Spectroscopic studies of the ncd motor domain.ADP complex: CD spectrum of ADP induced by binding to the motor domain of ncd.
Topics: Adenosine Diphosphate; Animals; Circular Dichroism; Creatine Kinase; Drosophila melanogaster; Drosophila Proteins; Fluorescent Dyes; Kinesins; Macromolecular Substances; Models, Molecular; Protein Binding; Protein Structure, Tertiary; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1998 |
The alpha 3(beta Y341W)3 gamma subcomplex of the F1-ATPase from the thermophilic Bacillus PS3 fails to dissociate ADP when MgATP is hydrolyzed at a single catalytic site and attains maximal velocity when three catalytic sites are saturated with MgATP.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Animals; Azides; Bacillus; Binding Sites; Catalysis; Cattle; Cross-Linking Reagents; Detergents; Dimethylamines; Fluorescence Polarization; Hydrolysis; Kinetics; Mutagenesis, Site-Directed; Proton-Translocating ATPases; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1998 |
L-tryptophan in maternal phenylketonuria.
Topics: Female; Humans; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Tryptophan; Tyrosine | 1998 |
A hydrophobic cluster between transmembrane helices 5 and 6 constrains the thyrotropin-releasing hormone receptor in an inactive conformation.
Topics: Animals; Cell Membrane; Computer Simulation; COS Cells; Luciferases; Midazolam; Models, Molecular; Mutation; Phenylalanine; Plasmids; Protein Conformation; Receptors, Thyrotropin-Releasing Hormone; Transfection; Tryptophan; Tyrosine | 1998 |
Lipid properties and the orientation of aromatic residues in OmpF, influenza M2, and alamethicin systems: molecular dynamics simulations.
Topics: Alamethicin; Computer Simulation; Influenza A virus; Lipid Bilayers; Membrane Lipids; Models, Molecular; Phenylalanine; Porins; Protein Structure, Secondary; Thermodynamics; Tryptophan; Tyrosine; Viral Matrix Proteins | 1998 |
Evidence for kinetic intermediate states during the refolding of GdnHCl-denatured MM-creatine kinase. Characterization of a trapped monomeric species.
Topics: Anilino Naphthalenesulfonates; Animals; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Creatine Kinase; Cysteine; Enzyme Activation; Guanidine; Isoenzymes; Kinetics; Models, Chemical; Protein Binding; Protein Denaturation; Protein Folding; Rabbits; Spectrometry, Fluorescence; Titrimetry; Tryptophan; Tyrosine | 1998 |
Unfolding of Plasmodium falciparum triosephosphate isomerase in urea and guanidinium chloride: evidence for a novel disulfide exchange reaction in a covalently cross-linked mutant.
Topics: Animals; Chromatography, Gel; Circular Dichroism; Cross-Linking Reagents; Cysteine; Disulfides; Guanidine; Models, Molecular; Mutagenesis, Site-Directed; Plasmodium falciparum; Protein Conformation; Protein Denaturation; Recombinant Proteins; Spectrometry, Fluorescence; Triose-Phosphate Isomerase; Tryptophan; Tyrosine; Urea | 1999 |
The differential specificity of chymotrypsin A and B is determined by amino acid 226.
Topics: Alanine; Amino Acid Sequence; Animals; Binding Sites; Catalytic Domain; Cattle; Chymotrypsin; Glycine; Models, Molecular; Molecular Sequence Data; Mutagenesis; Phenylalanine; Protein Isoforms; Rats; Recombinant Proteins; Sequence Homology, Amino Acid; Serine Endopeptidases; Substrate Specificity; Tryptophan; Tyrosine | 1999 |
The structure and orientation of class-A amphipathic peptides on a phospholipid bilayer surface.
Topics: Amino Acid Sequence; Cyclic N-Oxides; Diffusion; Lipid Bilayers; Molecular Sequence Data; Peptides; Phospholipids; Protein Structure, Secondary; Spectrometry, Fluorescence; Spin Labels; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine | 1999 |
Oxidative modification of glutamine synthetase by 2,2'-azobis(2- amidinopropane) dihydrochloride.
Topics: Amidines; Chromatography, High Pressure Liquid; Electrophoresis, Polyacrylamide Gel; Enzyme Activation; Glutamate-Ammonia Ligase; Histidine; Kynurenine; Melitten; Methionine; Molecular Weight; Oxidants; Oxidation-Reduction; Reactive Oxygen Species; Time Factors; Tryptophan; Tyrosine | 1999 |
A novel epitope for the specific detection of exogenous prion proteins in transgenic mice and transfected murine cell lines.
Topics: Amino Acid Sequence; Animals; Antibodies, Monoclonal; Cats; Cattle; Cricetinae; Dogs; Epitopes, B-Lymphocyte; Goats; Guinea Pigs; Humans; Mice; Mice, Transgenic; Molecular Sequence Data; Mutagenesis, Site-Directed; Prions; Protein Conformation; Rabbits; Rats; Sheep; Transfection; Tryptophan; Tumor Cells, Cultured; Tyrosine | 1999 |
Restoration of lectin activity to an inactive abrin B chain by substitution and mutation of the 2 gamma subdomain.
Topics: Abrin; Amino Acid Sequence; Amino Acid Substitution; Animals; Molecular Sequence Data; Mutagenesis, Site-Directed; Point Mutation; Structure-Activity Relationship; Tryptophan; Tyrosine; Xenopus | 1999 |
Opioid peptide receptor studies, 11: involvement of Tyr148, Trp318 and His319 of the rat mu-opioid receptor in binding of mu-selective ligands.
Topics: Animals; Cloning, Molecular; COS Cells; Fentanyl; Histidine; Ligands; Models, Molecular; Molecular Structure; Mutagenesis, Site-Directed; Rats; Receptors, Opioid, mu; Stereoisomerism; Tryptophan; Tyrosine | 1999 |
Transcriptional induction by aromatic amino acids in Saccharomyces cerevisiae.
Topics: Amino Acid Sequence; Amino Acids; Base Sequence; Carrier Proteins; Cloning, Molecular; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Fungal; Genes, Reporter; Molecular Sequence Data; Mutation; Phenylalanine; Promoter Regions, Genetic; Regulatory Sequences, Nucleic Acid; RNA, Messenger; Saccharomyces cerevisiae; Sequence Analysis, DNA; Transaminases; Transcription Factors; Tryptophan; Tyrosine | 1999 |
The individual tyrosines of proteins: their spectra may or may not differ from those in water or other solvents.
Topics: Proteins; Solvents; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Water | 1999 |
Thermodynamic and kinetic analysis of the Escherichia coli thioredoxin-C' fragment complementation system.
Topics: Bacterial Proteins; Calorimetry; Chromatography, Gel; Circular Dichroism; Cyanogen Bromide; Escherichia coli; Hydrogen-Ion Concentration; Kinetics; Peptide Fragments; Protein Binding; Protein Folding; Protein Structure, Secondary; Spectrometry, Fluorescence; Temperature; Thermodynamics; Thioredoxins; Titrimetry; Tryptophan; Tyrosine | 1999 |
Structure/activity studies of the anti-MUC1 monoclonal antibody C595 and synthetic MUC1 mucin-core-related peptides and glycopeptides.
Topics: Amino Acid Sequence; Antibodies, Monoclonal; Aspartic Acid; Binding, Competitive; Circular Dichroism; Epitopes; Glutamic Acid; Glycopeptides; Glycosylation; Humans; Hydrogen-Ion Concentration; Immunoglobulin G; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Mucin-1; Peptide Fragments; Protein Denaturation; Spectrometry, Fluorescence; Structure-Activity Relationship; Temperature; Thermodynamics; Titrimetry; Tryptophan; Tyrosine | 1999 |
Interactions between a single immunoglobulin-binding domain of protein L from Peptostreptococcus magnus and a human kappa light chain.
Topics: Amino Acid Substitution; Bacterial Proteins; Binding Sites; Circular Dichroism; Humans; Hydrogen-Ion Concentration; Immunoglobulin G; Immunoglobulin kappa-Chains; Kinetics; Peptide Fragments; Peptostreptococcus; Protein Binding; Protein Structure, Secondary; Sequence Homology, Amino Acid; Spectrometry, Fluorescence; Static Electricity; Temperature; Thermodynamics; Tryptophan; Tyrosine | 1999 |
Haloalkane dehalogenases: steady-state kinetics and halide inhibition.
Topics: Amino Acid Sequence; Binding, Competitive; Chlorides; Enzyme Inhibitors; Ethylene Chlorohydrin; Gram-Negative Aerobic Bacteria; Hydrogen-Ion Concentration; Hydrolases; Indicators and Reagents; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Nitrophenols; Phenolsulfonphthalein; Phenylalanine; Rhodococcus; Substrate Specificity; Tryptophan; Tyrosine | 1999 |
Intraprotein electron transfer between tyrosine and tryptophan in DNA photolyase from Anacystis nidulans.
Topics: Cyanobacteria; Deoxyribodipyrimidine Photo-Lyase; Electron Transport; Escherichia coli; Flavin-Adenine Dinucleotide; Free Radicals; Kinetics; Lasers; Light; Mercaptoethanol; Oxidation-Reduction; Recombinant Proteins; Tryptophan; Tyrosine | 1999 |
Hysteretic enzyme adaptation to environmental pH: change in storage pH of alkaline phosphatase leads to a pH-optimum in the opposite direction to the applied change.
Topics: Alkaline Phosphatase; Animals; Cattle; Hydrogen-Ion Concentration; Intestines; Kinetics; Phenylalanine; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1999 |
Differential effect of immobilization stress on in vivo synthesis rate of monoamines in medial prefrontal cortex and nucleus accumbens of conscious rats.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Consciousness; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; Kinetics; Male; Microdialysis; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Wistar; Restraint, Physical; Serotonin; Stress, Physiological; Tryptophan; Tyrosine | 1999 |
Ligand-induced conformational changes in lactose repressor: a phosphorescence and ODMR study of single-tryptophan mutants.
Topics: Amino Acid Substitution; Bacterial Proteins; Escherichia coli; Escherichia coli Proteins; Histidine; Isopropyl Thiogalactoside; Lac Repressors; Lactose; Ligands; Luminescent Measurements; Macromolecular Substances; Magnetic Resonance Spectroscopy; Models, Molecular; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Repressor Proteins; Tryptophan; Tyrosine | 1999 |
The iron-oxygen reconstitution reaction in protein R2-Tyr-177 mutants of mouse ribonucleotide reductase. Epr and electron nuclear double resonance studies on a new transient tryptophan radical.
Topics: Animals; Bacterial Proteins; Electron Spin Resonance Spectroscopy; Escherichia coli; Free Radicals; Iron; Kinetics; Mass Spectrometry; Mice; Molecular Structure; Mutation; Oxygen; Ribonucleotide Reductases; Spectrophotometry; Tryptophan; Tyrosine | 1999 |
Contribution of separate tryptophan residues to intrinsic fluorescence of actin. Analysis of 3D structure.
Topics: Actins; Cysteine; Fluorescence; Methionine; Models, Molecular; Phenylalanine; Proline; Protein Structure, Secondary; Solvents; Tryptophan; Tyrosine | 1999 |
Role of the distal phenylalanine 54 on the structure, stability, and ligand binding of Coprinus cinereus peroxidase.
Topics: Binding Sites; Coprinus; Enzyme Stability; Fungal Proteins; Glycine; Hydrogen-Ion Concentration; Imidazoles; Ligands; Mutagenesis, Site-Directed; Peroxidase; Phenylalanine; Sodium Fluoride; Spectrophotometry; Spectrum Analysis, Raman; Structure-Activity Relationship; Titrimetry; Tryptophan; Tyrosine; Valine | 1999 |
Ultraviolet resonance Raman examination of horse apomyoglobin acid unfolding intermediates.
Topics: Animals; Apoproteins; Horses; Hydrochloric Acid; Hydrogen-Ion Concentration; Metmyoglobin; Models, Molecular; Myoglobin; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Spectrophotometry; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 1999 |
Direct energy transfer to study the 3D structure of non-native proteins: AGH complex in molten globule state of apomyoglobin.
Topics: Animals; Apoproteins; Energy Transfer; Horses; Models, Molecular; Myoglobin; Protein Conformation; Protein Folding; Protein Structure, Secondary; Spectrometry, Fluorescence; Spectrophotometry; Tetranitromethane; Tryptophan; Tyrosine | 1999 |
Computer analysis of transcription regulatory patterns in completely sequenced bacterial genomes.
Topics: Arginine; Bacterial Proteins; Base Sequence; Binding Sites; Carrier Proteins; Computational Biology; Conserved Sequence; Escherichia coli; Gene Expression Regulation, Bacterial; Genes, Bacterial; Genome, Bacterial; Haemophilus influenzae; Operon; Phylogeny; Purines; Regulon; Response Elements; Transcription, Genetic; Tryptophan; Tyrosine | 1999 |
Second-site reversion of a human immunodeficiency virus type 1 reverse transcriptase mutant that restores enzyme function and replication capacity.
Topics: Animals; COS Cells; HIV Reverse Transcriptase; HIV-1; Humans; Isoleucine; Methionine; Mutagenesis, Site-Directed; Tryptophan; Tumor Cells, Cultured; Tyrosine; Virus Replication | 1999 |
Pepsin as a catalyst for peptide synthesis: formation of peptide bonds not typical for pepsin substrate specificity.
Topics: Amino Acid Sequence; Catalysis; Pepsin A; Peptides; Substrate Specificity; Tryptophan; Tyrosine | 1999 |
De novo proteins as models of radical enzymes.
Topics: Amino Acid Sequence; Circular Dichroism; Electrochemistry; Free Radicals; Models, Molecular; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Peptide Fragments; Protein Engineering; Protein Folding; Protein Structure, Secondary; Ribonucleotide Reductases; Solutions; Thermodynamics; Tryptophan; Tyrosine; Ultracentrifugation | 1999 |
Packing of aromatic rings against tryptophan residues in proteins.
Topics: Binding Sites; Crystallography, X-Ray; Histidine; Phenylalanine; Protein Conformation; Proteins; Thermodynamics; Tryptophan; Tyrosine | 1999 |
UV resonance Raman studies of alpha-nitrosyl hemoglobin derivatives: relation between the alpha 1-beta 2 subunit interface interactions and the Fe-histidine bonding of alpha heme.
Topics: Carboxyhemoglobin; Electron Spin Resonance Spectroscopy; Heme; Hemoglobins; Histidine; Humans; Hydrogen Bonding; Hydrogen-Ion Concentration; Iron; Models, Molecular; Phytic Acid; Protein Conformation; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Ultraviolet Rays | 1999 |
Binding affinity of N-glycans for aromatic amino acid residues: implications for novel interactions between N-glycans and proteins.
Topics: Amino Acids; Animals; Asparagine; Binding, Competitive; Cattle; Dose-Response Relationship, Drug; Lactalbumin; Phenylalanine; Polysaccharides; Protein Binding; Ribonuclease, Pancreatic; Spectrometry, Fluorescence; Sucrose; Tryptophan; Tyrosine | 1999 |
The aroC gene of Aspergillus nidulans codes for a monofunctional, allosterically regulated chorismate mutase.
Topics: Allosteric Regulation; Amino Acid Sequence; Aspartic Acid; Aspergillus nidulans; Chorismate Mutase; Chorismic Acid; Computer Simulation; Genes, Fungal; Hydrogen-Ion Concentration; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phosphorus-Oxygen Lyases; Protein Conformation; Recombinant Proteins; Sequence Homology, Amino Acid; Tryptophan; Tyrosine | 1999 |
Molten globule versus variety of intermediates: influence of anions on pH-denatured apomyoglobin.
Topics: Animals; Anions; Apoproteins; Energy Transfer; Horses; Hydrogen-Ion Concentration; In Vitro Techniques; Models, Molecular; Myoglobin; Protein Denaturation; Protein Structure, Secondary; Protein Structure, Tertiary; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 1999 |
[Conformational changes in the bacterial RecA protein upon its interaction with ligands: differential spectrofluorometry of tyrosine and tryptophan protein residues].
Topics: Adenosine Diphosphate; Adenosine Triphosphate; DNA, Single-Stranded; Escherichia coli; Ligands; Protein Binding; Protein Conformation; Rec A Recombinases; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1999 |
Cation-pi interactions in structural biology.
Topics: Arginine; Cations; Histidine; Lysine; Models, Chemical; Models, Molecular; Phenylalanine; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1999 |
Activation and desensitization by cyclic antidepressant drugs of alpha2-autoreceptors, alpha2-heteroreceptors and 5-HT1A-autoreceptors regulating monamine synthesis in the rat brain in vivo.
Topics: 5-Hydroxytryptophan; Adrenergic Uptake Inhibitors; Animals; Antidepressive Agents, Tricyclic; Autoreceptors; Brain; Carboxy-Lyases; Cerebral Cortex; Desipramine; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Drug Interactions; Fluoxetine; Hippocampus; Male; Norepinephrine; Protriptyline; Rats; Rats, Sprague-Dawley; Serotonin; Time Factors; Tryptophan; Tyrosine; Zimeldine | 1999 |
Roles of active site aromatic residues in catalysis by ketosteroid isomerase from Pseudomonas putida biotype B.
Topics: Alanine; Amino Acid Substitution; Binding Sites; Catalysis; Equilenin; Kinetics; Mutagenesis, Site-Directed; Nandrolone; Phenylalanine; Pseudomonas putida; Recombinant Proteins; Spectrometry, Fluorescence; Steroid Isomerases; Tryptophan; Tyrosine | 1999 |
A kinetic analysis of the nucleotide-induced allosteric transitions of GroEL.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Allosteric Regulation; Amino Acid Substitution; Binding, Competitive; Chaperonin 60; Escherichia coli; Fluorescence; Fluorometry; Hydrolysis; Kinetics; Models, Chemical; Nucleotides; Phosphates; Protein Conformation; Thermodynamics; Tryptophan; Tyrosine | 1999 |
Sex differences in the effect of obesity on human plasma tryptophan/large neutral amino acid ratio.
Topics: Amino Acids; Body Mass Index; Female; Humans; Leucine; Male; Obesity; Phenylalanine; Sex Characteristics; Tryptophan; Tyrosine; Valine | 1999 |
N5-(L-1-carboxyethyl)-L-ornithine synthase: physical and spectral characterization of the enzyme and its unusual low pKa fluorescent tyrosine residues.
Topics: Amino Acid Oxidoreductases; Amino Acid Sequence; Chymotrypsin; Hydrogen-Ion Concentration; Lactococcus lactis; Molecular Weight; Protein Structure, Secondary; Recombinant Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1999 |
Tryptophan H33 plays an important role in pyrimidine (6-4) pyrimidone photoproduct binding by a high-affinity antibody.
Topics: Alanine; Amino Acid Substitution; Antibody Affinity; Antibody Specificity; Chromatography, Affinity; DNA; Immunoglobulin Fragments; Immunoglobulin Variable Region; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Protein Folding; Pyrimidine Dimers; Spectrometry, Fluorescence; Surface Plasmon Resonance; Tryptophan; Tyrosine | 1999 |
Tyr-->Trp-substituted peptide 115-129 of a Lys49 phospholipase A(2) expresses enhanced membrane-damaging activities and reproduces its in vivo myotoxic effect.
Topics: Amino Acid Sequence; Animals; Cells, Cultured; Creatine Kinase; Crotalid Venoms; Endothelium; Erythrocytes; Escherichia coli; Group II Phospholipases A2; Immunoenzyme Techniques; Injections, Intramuscular; Lysine; Membranes; Mice; Muscle, Skeletal; Neurotoxins; Peptide Fragments; Phospholipases A; Reptilian Proteins; Tryptophan; Tyrosine | 1999 |
A hydrophobic patch in ecotropic murine leukemia virus envelope protein is the putative binding site for a critical tyrosine residue on the cellular receptor.
Topics: 3T3 Cells; Alanine; Amino Acid Sequence; Animals; Binding Sites; Cell Line, Transformed; Friend murine leukemia virus; Glycoproteins; Humans; Membrane Glycoproteins; Methionine; Mice; Models, Molecular; Molecular Sequence Data; Moloney murine leukemia virus; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Protein Processing, Post-Translational; Receptors, Virus; Retroviridae Proteins, Oncogenic; Sequence Homology, Amino Acid; Tryptophan; Tyrosine; Viral Envelope Proteins | 1999 |
Role of the N-terminal region of ribosomal protein S7 in its interaction with 16S rRNA which binds to the concavity formed by the beta-ribbon arm and the alpha-helix.
Topics: Arginine; Circular Dichroism; Dose-Response Relationship, Drug; Geobacillus stearothermophilus; Hydroxyl Radical; Kinetics; Lysine; Models, Genetic; Mutagenesis, Site-Directed; Mutation; Nucleic Acid Conformation; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Ribosomal Proteins; RNA, Ribosomal, 16S; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1999 |
The glycine residue in cyclic lactam analogues of galanin(1-16)-NH2 is important for stabilizing an N-terminal helix.
Topics: Alanine; Amino Acid Sequence; Amino Acid Substitution; Cell Line; Circular Dichroism; Energy Transfer; Galanin; Glycine; Humans; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Peptide Fragments; Peptides, Cyclic; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Tumor Cells, Cultured; Tyrosine | 1999 |
Importance of F1-ATPase residue alpha-Arg-376 for catalytic transition state stabilization.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Aluminum; Arginine; Binding Sites; Catalysis; Cysteine; Enzyme Stability; Escherichia coli; Fluorine; Glutamine; Lysine; Models, Molecular; Mutagenesis, Site-Directed; Proton-Translocating ATPases; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1999 |
Zinc binding reverses the calcium-induced arachidonic acid-binding capacity of the S100A8/A9 protein complex.
Topics: Antigens, Differentiation; Arachidonic Acid; Binding Sites; Calcium; Calcium-Binding Proteins; Calgranulin A; Calgranulin B; Copper; EF Hand Motifs; Humans; Magnesium; Neutrophils; Protein Binding; Protein Conformation; Recombinant Fusion Proteins; S100 Proteins; Tryptophan; Tyrosine; Zinc | 1999 |
Roles of aromatic residues in high interfacial activity of Naja naja atra phospholipase A2.
Topics: Amino Acid Sequence; Amino Acids, Cyclic; Animals; Base Sequence; Binding Sites; Elapid Venoms; Enzyme Activation; Humans; Kinetics; Liposomes; Methoxyhydroxyphenylglycol; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Phospholipases A; Phospholipases A2; Phospholipid Ethers; Phospholipids; Polymers; Recombinant Proteins; Tryptophan; Tyrosine | 1999 |
TRH increases cerebrospinal fluid concentration of kynurenine.
Topics: Adolescent; Anticonvulsants; Child; Child, Preschool; Electrodes; Epilepsy; Female; Humans; Infant; Kynurenine; Male; Receptors, N-Methyl-D-Aspartate; Spasms, Infantile; Thyrotropin-Releasing Hormone; Tryptophan; Tyrosine; Up-Regulation | 1999 |
Biochemical characterization and helix stabilizing properties of HSNP-C' from the thermoacidophilic archaeon Sulfolobus acidocaldarius.
Topics: Amino Acids; Archaeal Proteins; Binding Sites; DNA-Binding Proteins; DNA, Archaeal; Hot Temperature; Nucleic Acid Conformation; Nucleic Acid Denaturation; Spectrophotometry; Sulfolobus acidocaldarius; Tryptophan; Tyrosine | 2000 |
Effects on mood of acute phenylalanine/tyrosine depletion in healthy women.
Topics: Adult; Affect; Amino Acids; Blood Pressure; Double-Blind Method; Female; Heart Rate; Humans; Nutritional Physiological Phenomena; Phenylalanine; Stress, Psychological; Tryptophan; Tyrosine | 2000 |
A possible origin of differences between calorimetric and equilibrium estimates of stability parameters of proteins.
Topics: Biochemistry; Calorimetry; Cytochrome c Group; Heme; Hot Temperature; Hydrogen-Ion Concentration; Models, Chemical; Muramidase; Myoglobin; Protein Conformation; Protein Denaturation; Proteins; Ribonuclease, Pancreatic; Thermodynamics; Tryptophan; Tyrosine | 2000 |
Trp22, Trp24, and Tyr8 play a pivotal role in the binding of the family 10 cellulose-binding module from Pseudomonas xylanase A to insoluble ligands.
Topics: Bromosuccinimide; Cellulose; Circular Dichroism; Endo-1,4-beta Xylanases; Ligands; Mutagenesis, Site-Directed; Nuclear Magnetic Resonance, Biomolecular; Peptide Fragments; Protein Binding; Pseudomonas fluorescens; Recombinant Proteins; Solubility; Titrimetry; Tryptophan; Tyrosine; Xylosidases | 2000 |
The influence of ATP on the binding of aromatic amino acids to the ligand response domain of the tyrosine repressor of Haemophilus influenzae.
Topics: Adenosine Triphosphate; Amino Acid Sequence; Bacterial Proteins; Binding Sites; Circular Dichroism; Conserved Sequence; Escherichia coli Proteins; Haemophilus influenzae; Ligands; Phenylalanine; Protein Binding; Protein Structure, Secondary; Repressor Proteins; Spectrometry, Fluorescence; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine | 2000 |
Self-assembled complexes of oligopeptides and metalloporphyrins: measurements of the reorganization and electronic interaction energies for photoinduced electron-transfer reactions.
Topics: Electrons; Glutamic Acid; Metalloporphyrins; Models, Molecular; Molecular Conformation; Oligopeptides; Photochemistry; Protein Conformation; Thermodynamics; Tryptophan; Tyrosine | 2000 |
X-ray crystal structure of the YM210W mutant reaction centre from Rhodobacter sphaeroides.
Topics: Light-Harvesting Protein Complexes; Models, Molecular; Mutation; Photosynthetic Reaction Center Complex Proteins; Protein Conformation; Rhodobacter sphaeroides; Tryptophan; Tyrosine; X-Ray Diffraction | 2000 |
Computational methodology for estimating changes in free energies of biomolecular association upon mutation. The importance of bound water in dimer-tetramer assembly for beta 37 mutant hemoglobins.
Topics: Biopolymers; Computational Biology; Dimerization; Hemoglobins; Models, Molecular; Point Mutation; Protein Binding; Recombinant Proteins; Software; Solvents; Thermodynamics; Tryptophan; Tyrosine; Water | 2000 |
Functional properties of the heme propionates in cytochrome c oxidase from Paracoccus denitrificans. Evidence from FTIR difference spectroscopy and site-directed mutagenesis.
Topics: Amino Acid Substitution; Arginine; Electron Transport Complex IV; Heme; Histidine; Hydrogen Bonding; Mutagenesis, Site-Directed; Oxidation-Reduction; Paracoccus denitrificans; Propionates; Recombinant Proteins; Spectroscopy, Fourier Transform Infrared; Tryptophan; Tyrosine | 2000 |
Functional inactivation of the nociceptin receptor by alanine substitution of glutamine 286 at the C terminus of transmembrane segment VI: evidence from a site-directed mutagenesis study of the ORL1 receptor transmembrane-binding domain.
Topics: Alanine; Amino Acid Substitution; Animals; Asparagine; CHO Cells; Cricetinae; Glutamine; Humans; Membrane Proteins; Mutagenesis, Site-Directed; Nociceptin Receptor; Phenylalanine; Protein Conformation; Receptors, Opioid; Signal Transduction; Tryptophan; Tyrosine | 2000 |
Peripheral markers of serotonergic and noradrenergic function in post-pubertal, caucasian males with autistic disorder.
Topics: Adolescent; Autistic Disorder; Belgium; Biomarkers; Child; Dopamine; Epinephrine; Humans; Hydroxyindoleacetic Acid; Intelligence; Male; Netherlands; Norepinephrine; Paroxetine; Puberty; Serotonin; Tryptophan; Tyrosine; White People; Yohimbine | 2000 |
Homology modeling, molecular dynamics simulations, and analysis of CYP119, a P450 enzyme from extreme acidothermophilic archaeon Sulfolobus solfataricus.
Topics: Amino Acid Sequence; Archaeal Proteins; Computational Biology; Computer Simulation; Cytochrome P-450 Enzyme System; Enzyme Stability; Glutamine; Models, Molecular; Molecular Sequence Data; Oxidation-Reduction; Oxygenases; Phenylalanine; Proline; Salts; Sequence Homology, Amino Acid; Sulfolobus; Surface Properties; Thermodynamics; Tryptophan; Tyrosine; Water | 2000 |
Expression of tryptophan decarboxylase and tyrosine decarboxylase genes in tobacco results in altered biochemical and physiological phenotypes.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aromatic-L-Amino-Acid Decarboxylases; Chlorogenic Acid; Gene Expression; Genes, Plant; Nicotiana; Nicotine; Phenotype; Phenylalanine; Phenylalanine Ammonia-Lyase; Plants, Genetically Modified; Plants, Toxic; Substrate Specificity; Temperature; Tryptophan; Tyrosine; Tyrosine Decarboxylase | 2000 |
Fluorescence and excitation Escherichia coli RecA protein spectra analyzed separately for tyrosine and tryptophan residues.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; DNA, Bacterial; DNA, Single-Stranded; Escherichia coli; Ligands; Macromolecular Substances; Magnesium; Protein Conformation; Rec A Recombinases; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 2000 |
A study of AroP-PheP chimeric proteins and identification of a residue involved in tryptophan transport.
Topics: Alkaline Phosphatase; Amino Acid Transport Systems; Amino Acid Transport Systems, Neutral; Bacterial Proteins; Base Sequence; Binding Sites; Biological Transport; Carrier Proteins; Escherichia coli; Escherichia coli Proteins; Genes, Bacterial; Membrane Transport Proteins; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Promoter Regions, Genetic; Protein Structure, Secondary; Recombinant Fusion Proteins; Recombination, Genetic; Tryptophan; Tyrosine | 2000 |
The topogenic contribution of uncharged amino acids on signal sequence orientation in the endoplasmic reticulum.
Topics: Amino Acid Sequence; Animals; Asialoglycoprotein Receptor; Base Sequence; COS Cells; Endoplasmic Reticulum; Intracellular Membranes; Models, Molecular; Molecular Sequence Data; Oligodeoxyribonucleotides; Polymerase Chain Reaction; Protein Conformation; Protein Sorting Signals; Protein Structure, Secondary; Receptors, Cell Surface; Recombinant Proteins; Transfection; Tryptophan; Tyrosine; Valine | 2000 |
Molecular basis for hyperactivity in tryptophan 409 mutants of neuronal NO synthase.
Topics: Amino Acid Substitution; Animals; Catalysis; Heme; Kinetics; Models, Chemical; Mutagenesis, Site-Directed; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Rats; Recombinant Proteins; Spectrophotometry; Tryptophan; Tyrosine | 2000 |
Evidence for a role of helix IV in connecting cation- and sugar-binding sites of Escherichia coli melibiose permease.
Topics: Amino Acid Substitution; Binding Sites; Biological Transport; Carbohydrate Metabolism; Carbohydrates; Cations, Monovalent; Escherichia coli; Kinetics; Melibiose; Membrane Transport Proteins; Methylgalactosides; Models, Molecular; Mutation; Nitrophenylgalactosides; Osmolar Concentration; Protein Structure, Secondary; Protein Structure, Tertiary; Proteolipids; Raffinose; Sodium; Spectrometry, Fluorescence; Substrate Specificity; Symporters; Thiogalactosides; Tryptophan; Tyrosine | 2000 |
Lack of glucocorticoids attenuates the self-stimulation-induced increase in the in vivo synthesis rate of dopamine but not serotonin in the rat nucleus accumbens.
Topics: 5-Hydroxytryptophan; Adrenalectomy; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Cortisone; Dihydroxyphenylalanine; Dopamine; Enzyme Inhibitors; Glucocorticoids; Hydrazines; Hydroxylation; Male; Microdialysis; Neurons; Nucleus Accumbens; Rats; Rats, Wistar; Self Administration; Self Stimulation; Serotonin; Tryptophan; Tyrosine | 2000 |
The reduction potential of the beta-carotene.+ /beta-carotene couple in an aqueous micro-heterogeneous environment.
Topics: beta Carotene; Cations; Cysteine; Electron Transport; Free Radicals; Hydrogen-Ion Concentration; Micelles; Oxidants; Photosynthetic Reaction Center Complex Proteins; Pulse Radiolysis; Reducing Agents; Solutions; Spectrophotometry, Infrared; Thermodynamics; Tryptophan; Tyrosine; Water | 2000 |
Molecular recognition of amino acids by RNA aptamers: the evolution into an L-tyrosine binder of a dopamine-binding RNA motif.
Topics: Base Sequence; Binding Sites; Chromatography, Affinity; Cloning, Molecular; Directed Molecular Evolution; Dopamine; Ligands; Molecular Probe Techniques; Nucleic Acid Conformation; Oligoribonucleotides; Phenylalanine; RNA; Substrate Specificity; Thermodynamics; Tryptophan; Tyrosine | 2000 |
Intracranial self-stimulation increases differentially in vivo hydroxylation of tyrosine but similarly in vivo hydroxylation of tryptophan in rat medial prefrontal cortex, nucleus accumbens and striatum.
Topics: 5-Hydroxytryptophan; Animals; Dihydroxyphenylalanine; Dopamine; Enzyme Inhibitors; Hydrazines; Hydroxylation; Male; Microdialysis; Microelectrodes; Neostriatum; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Wistar; Reward; Self Stimulation; Serotonin; Stress, Physiological; Time Factors; Tryptophan; Tyrosine | 2000 |
Specificity in substrate binding by protein folding catalysts: tyrosine and tryptophan residues are the recognition motifs for the binding of peptides to the pancreas-specific protein disulfide isomerase PDIp.
Topics: Amino Acid Sequence; Catalysis; Molecular Sequence Data; Pancreas; Peptides; Protein Disulfide-Isomerases; Protein Folding; Substrate Specificity; Tryptophan; Tyrosine | 2000 |
Generic models for radionuclide dosimetry: 11C-, 18F- or 75Se-labelled amino acids.
Topics: Adult; Amino Acids; Carbon Radioisotopes; Fluorine Radioisotopes; Humans; Methionine; Models, Biological; p-Fluorophenylalanine; Radiation Dosage; Reproducibility of Results; Selenium Radioisotopes; Tissue Distribution; Tryptophan; Tyrosine | 2000 |
Partially unfolded species populated during equilibrium denaturation of the beta-sheet protein Y74W apo-pseudoazurin.
Topics: Amino Acid Sequence; Amino Acid Substitution; Apoproteins; Azurin; Circular Dichroism; Copper; Fluorescence Polarization; Molecular Sequence Data; Mutagenesis, Site-Directed; Paracoccus; Peptide Fragments; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2000 |
Improved photo-CIDNP methods for studying protein structure and folding.
Topics: Animals; Cattle; Flavins; Histidine; Hydrogen Peroxide; Lactalbumin; Light; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Protein Folding; Tryptophan; Tyrosine | 2000 |
DNA-Bound peptide radicals generated through DNA-mediated electron transport.
Topics: Binding Sites; DNA; DNA Damage; Electron Transport; Free Radicals; Intercalating Agents; Kinetics; Lasers; Mass Spectrometry; Oligodeoxyribonucleotides; Organometallic Compounds; Peptides; Phenanthrolines; Spectrophotometry; Tryptophan; Tyrosine | 2000 |
Tryptophan-heme pi-electrostatic interactions in cytochrome f of oxygenic photosynthesis.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Chlamydomonas reinhardtii; Chloroplasts; Cyanobacteria; Cytochromes; Cytochromes f; Heme; Molecular Sequence Data; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Photosynthesis; Static Electricity; Tryptophan; Tyrosine | 2000 |
NMR investigations of protein-carbohydrate interactions: studies on the relevance of Trp/Tyr variations in lectin binding sites as deduced from titration microcalorimetry and NMR studies on hevein domains. Determination of the NMR structure of the complex
Topics: Amino Acid Sequence; Antimicrobial Cationic Peptides; Binding Sites; Calorimetry; Carbohydrate Metabolism; Carbohydrate Sequence; Carbohydrates; Dose-Response Relationship, Drug; Lectins; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Sequence Data; Plant Lectins; Plant Proteins; Protein Binding; Protein Structure, Tertiary; Proteins; Sequence Homology, Amino Acid; Temperature; Thermodynamics; Trisaccharides; Tryptophan; Tyrosine | 2000 |
Chemically prepared hevein domains: effect of C-terminal truncation and the mutagenesis of aromatic residues on the affinity for chitin.
Topics: Amino Acid Substitution; Antimicrobial Cationic Peptides; Chitin; Lectins; Magnoliopsida; Models, Molecular; Nicotiana; Peptide Fragments; Phenylalanine; Plant Lectins; Plant Proteins; Plants, Toxic; Protein Binding; Protein Structure, Tertiary; Sequence Deletion; Sequence Homology, Amino Acid; Structure-Activity Relationship; Tryptophan; Tyrosine | 2000 |
Nucleoprotein photo-cross-linking using halopyrimidine-substituted RNAs.
Topics: Base Sequence; Bromouracil; Capsid; Capsid Proteins; Cross-Linking Reagents; Electrons; Electrophoresis, Polyacrylamide Gel; Kinetics; Models, Chemical; Molecular Sequence Data; Nucleic Acid Conformation; Nucleoproteins; Protein Binding; Pyrimidines; RNA; RNA-Binding Proteins; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays; Uridine; Water | 2000 |
UV absorption by uric acid in diurnal bird aqueous humor.
Topics: Absorption; Animals; Aqueous Humor; Ascorbic Acid; Cattle; Chickens; Chromatography, High Pressure Liquid; Eye Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Turkeys; Tyrosine; Ultraviolet Rays; Uric Acid | 2000 |
Tyr115, gln165 and trp209 contribute to the 1, 2-epoxy-3-(p-nitrophenoxy)propane-conjugating activity of glutathione S-transferase cGSTM1-1.
Topics: Amino Acid Substitution; Animals; Binding Sites; Chickens; Crystallography, X-Ray; Deuterium; Epoxy Compounds; Glutamine; Glutathione; Glutathione Transferase; Hydrogen Bonding; Kinetics; Models, Molecular; Mutation; Nitrophenols; Oxidoreductases; Protein Conformation; Protons; Recombinant Proteins; Structure-Activity Relationship; Temperature; Tryptophan; Tyrosine | 2000 |
Magnesium-adenosine diphosphate binding sites in wild-type creatine kinase and in mutants: role of aromatic residues probed by Raman and infrared spectroscopies.
Topics: Adenosine Diphosphate; Amino Acid Substitution; Animals; Binding Sites; Creatine Kinase; Isoenzymes; Magnesium; Muscle, Skeletal; Mutagenesis, Site-Directed; Rabbits; Solutions; Spectrometry, Fluorescence; Spectrophotometry, Infrared; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2000 |
New probes of the F1-ATPase catalytic transition state reveal that two of the three catalytic sites can assume a transition state conformation simultaneously.
Topics: Adenosine Diphosphate; Arginine; Binding Sites; Catalysis; Drug Synergism; Enzyme Activation; Enzyme Inhibitors; Escherichia coli; Glutamine; Inosine Diphosphate; Lysine; Mutagenesis, Site-Directed; Protein Conformation; Proton-Translocating ATPases; Scandium; Spectrometry, Fluorescence; Titrimetry; Tryptophan; Tyrosine | 2000 |
Metabolism of tryptophan in the liver: interference with decarboxylation of other aromatic amino acids.
Topics: Amino Acids; Animals; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Male; Phenylalanine; Rats; Rats, Wistar; Tryptophan; Tyrosine | 2000 |
Nitration and hydroxylation of aromatic amino acid and guanine by the air pollutant peroxyacetyl nitrate.
Topics: Air Pollutants; Amino Acids, Cyclic; Chromatography, High Pressure Liquid; Guanine; HL-60 Cells; Humans; Hydroxylation; Mass Spectrometry; Nitrates; Nitrogen; Oxidants; Peracetic Acid; Phenylalanine; Tryptophan; Tyrosine | 2000 |
Cytoprotective antioxidant function of tyrosine and tryptophan residues in transmembrane proteins.
Topics: 3T3 Cells; Amino Acids; Animals; Antioxidants; Brain; Cell Death; Cell Membrane; Cystic Fibrosis Transmembrane Conductance Regulator; Dose-Response Relationship, Drug; Humans; Linoleic Acid; Lipid Metabolism; Lipid Peroxidation; Membrane Proteins; Mice; Neurons; Oxidation-Reduction; Oxidative Stress; Oxygen; Phenylalanine; Presenilin-1; Tryptophan; Tumor Cells, Cultured; Tyrosine | 2000 |
Hydrophobic interactions in the hinge domain of DNA polymerase beta are important but not sufficient for maintaining fidelity of DNA synthesis.
Topics: Amino Acid Substitution; Animals; Base Sequence; Catalysis; DNA Mutational Analysis; DNA Polymerase beta; DNA Primers; DNA Replication; Frameshift Mutation; Kinetics; Leucine; Molecular Sequence Data; Phenylalanine; Protein Structure, Tertiary; Rats; Sequence Deletion; Simplexvirus; Thymidine Kinase; Tryptophan; Tyrosine; Viral Proteins | 2000 |
Tryptophan fluorescence reveals the conformational state of a dynamic loop in recombinant porcine fructose-1,6-bisphosphatase.
Topics: Amino Acid Substitution; Animals; Binding Sites; Circular Dichroism; Crystallization; Crystallography, X-Ray; Fructose-Bisphosphatase; Kinetics; Ligands; Metals; Models, Molecular; Mutagenesis, Site-Directed; Protein Conformation; Protein Structure, Secondary; Recombinant Proteins; Spectrometry, Fluorescence; Swine; Thermodynamics; Tryptophan; Tyrosine | 2000 |
Dynamics of a mobile loop at the active site of Escherichia coli asparaginase.
Topics: Asparaginase; Asparagine; Binding Sites; Catalysis; Enzyme Stability; Escherichia coli; Fluorescence; Hydrogen-Ion Concentration; Kinetics; Mutagenesis, Site-Directed; Mutation; Temperature; Time Factors; Tryptophan; Tyrosine | 2000 |
Interactions of superoxide anion with enzyme radicals: kinetics of reaction with lysozyme tryptophan radicals and corresponding effects on tyrosine electron transfer.
Topics: Anions; Ascorbic Acid; Electron Transport; Free Radicals; Hydrogen-Ion Concentration; Kinetics; Micelles; Muramidase; Oxidation-Reduction; Oxygen; Pulse Radiolysis; Superoxides; Tryptophan; Tyrosine | 2000 |
Tryptophan and tyrosine catabolic pattern in neuropsychiatric disorders.
Topics: Adult; Biogenic Monoamines; Brain Diseases; Brain Neoplasms; Digoxin; Epilepsy, Generalized; Erythrocytes; Fatty Acids, Nonesterified; Female; Glioma; Glycine Agents; Humans; Hydroxymethylglutaryl CoA Reductases; Kynurenic Acid; Magnesium; Male; Microvascular Angina; Middle Aged; Morphine; Narcotics; Nicotine; Nicotinic Agonists; Parkinson Disease; Quinolinic Acid; Schizophrenia; Serum Albumin; Sodium-Potassium-Exchanging ATPase; Strychnine; Tryptophan; Tyrosine; Ubiquinone | 2000 |
Dopamine-melanin protects against tyrosine nitration, tryptophan oxidation and Ca(2+)-ATPase inactivation induced by peroxynitrite.
Topics: Animals; Antioxidants; Calcium-Transporting ATPases; Cattle; Erythrocyte Membrane; Humans; Kinetics; Melanins; Nitrates; Oxidants; Oxidation-Reduction; Serum Albumin, Bovine; Tryptophan; Tyrosine | 2000 |
Ancient adaptation of the active site of tryptophanyl-tRNA synthetase for tryptophan binding.
Topics: Acylation; Animals; Bacillus subtilis; Bacterial Proteins; Binding Sites; Cattle; Diphosphates; DNA Mutational Analysis; DNA, Bacterial; Evolution, Molecular; Geobacillus stearothermophilus; Humans; Kinetics; Mice; Mutagenesis, Site-Directed; Protein Binding; Rabbits; RNA, Transfer, Trp; Sequence Homology, Amino Acid; Tryptophan; Tryptophan-tRNA Ligase; Tyrosine | 2000 |
Replacement of tyr62 by trp in the designer protein milk bundle-1 results in significant improvement of conformational stability.
Topics: Amino Acid Substitution; Animals; Bacteria; Dietary Proteins; Mutation; Protein Conformation; Protein Engineering; Proteins; Recombinant Proteins; Thermodynamics; Tryptophan; Tyrosine | 2000 |
Structural requirements for the specific recognition of an m7G mRNA cap.
Topics: Amino Acid Substitution; Circular Dichroism; Eukaryotic Initiation Factor-4E; Flavins; Glutamic Acid; Guanosine; Hydrogen Bonding; Mutagenesis, Site-Directed; Peptide Initiation Factors; Phenylalanine; RNA Caps; RNA, Messenger; Spectrometry, Fluorescence; Static Electricity; Tryptophan; Tyrosine; Vaccinia virus; Viral Proteins | 2000 |
Surface-enhanced Raman scattering: a structure-specific detection method for capillary electrophoresis.
Topics: Aniline Compounds; Chlorophenols; Electrophoresis, Capillary; Nitroso Compounds; Pyridines; Silver; Spectrophotometry; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2000 |
Cerebrospinal fluid levels of monoamine compounds and cholecystokinin peptides after exposure to standardized barometric pressure.
Topics: Adult; Affect; Age Factors; Atmospheric Pressure; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Sincalide; Spinal Puncture; Tetragastrin; Time Factors; Tryptophan; Tyrosine | 2000 |
Endogenous strychnine, nicotine, and morphine--description of hypo and hyper-strychninergic, nicotinergic and morphinergic state in relation to neuropsychiatric diseases.
Topics: Adult; Alkaloids; Brain Neoplasms; Chromatography, High Pressure Liquid; Erythrocyte Membrane; Glioma; Humans; Male; Mental Disorders; Middle Aged; Morphine; Neoplasm Proteins; Nervous System Diseases; Nicotine; Sodium-Potassium-Exchanging ATPase; Strychnine; Tryptophan; Tyrosine | 2000 |
Cation-pi effects in the complexation of Na+ and K+ with Phe, Tyr, and Trp in the gas phase.
Topics: Cations, Monovalent; Kinetics; Mass Spectrometry; Phenylalanine; Potassium; Sodium; Static Electricity; Tryptophan; Tyrosine | 2000 |
Role of aromatic residues at the lipid-water interface in micelle-bound bacteriophage M13 major coat protein.
Topics: Amino Acid Sequence; Amino Acid Substitution; Bacteriophage M13; Capsid; Capsid Proteins; Deoxycholic Acid; Detergents; Electrophoresis, Polyacrylamide Gel; Hot Temperature; Membrane Lipids; Membrane Proteins; Micelles; Molecular Sequence Data; Mutagenesis, Site-Directed; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2000 |
Changes of tyrosine and tryptophan residues in human hemoglobin by oxygen binding: near- and far-UV circular dichroism of isolated chains and recombined hemoglobin.
Topics: Amino Acid Substitution; Circular Dichroism; Hemoglobins; Humans; Oxygen; Oxyhemoglobins; Protein Structure, Quaternary; Protein Subunits; Tryptophan; Tyrosine | 2000 |
Two novel mutations (Y141H; C214Y) and previously published mutation (R142W) in the RDS-peripherin gene in autosomal dominant macular dystrophies in Spanish families.
Topics: Amino Acid Substitution; Arginine; Cysteine; Electrophoresis, Polyacrylamide Gel; Eye Proteins; Genes, Dominant; Histidine; Humans; Intermediate Filament Proteins; Macular Degeneration; Membrane Glycoproteins; Mutation, Missense; Nerve Tissue Proteins; Peripherins; Polymerase Chain Reaction; Retinal Degeneration; Tryptophan; Tyrosine | 2001 |
Monoamine compounds in cerebrospinal fluid of healthy subjects punctured without preceding strict bed rest: a pilot study.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Bed Rest; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Reference Values; Serotonin; Spinal Puncture; Tryptophan; Tyrosine | 2001 |
Effects of pressure on the activity and spectroscopic properties of carboxyl proteinases. Apparent correlation of pepstatin-insensitivity and pressure response.
Topics: Animals; Aspartic Acid Endopeptidases; Circular Dichroism; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Pepsin A; Pepstatins; Pressure; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Pseudomonas; Saccharomyces cerevisiae; Spectrometry, Fluorescence; Spectrophotometry; Swine; Thermodynamics; Tryptophan; Tyrosine; Ultraviolet Rays; Xanthomonas | 2001 |
Solution conformation of EcoRI restriction endonuclease changes upon binding of cognate DNA and Mg2+ cofactor.
Topics: Deoxyribonuclease EcoRI; DNA; DNA-Binding Proteins; Energy Transfer; Fluorescence Polarization; Magnesium; Models, Molecular; Mutagenesis, Site-Directed; Oligodeoxyribonucleotides; Protein Conformation; Recombinant Proteins; Solubility; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2001 |
Interaction of tyrosine 65 of RecA protein with the first and second DNA strands.
Topics: Adenosine Triphosphatases; Adenosine Triphosphate; Amino Acid Substitution; Base Composition; Coenzymes; DNA-Binding Proteins; DNA, Single-Stranded; Enzyme Activation; Fluorescence; Mutagenesis, Site-Directed; Protein Binding; Rec A Recombinases; Recombination, Genetic; Salts; Tryptophan; Tyrosine | 2001 |
Origin and properties of fluorescence emission from the extrinsic 33 kDa manganese stabilizing protein of higher plant water oxidizing complex.
Topics: Hydrogen-Ion Concentration; Manganese; Metalloproteins; Photosynthetic Reaction Center Complex Proteins; Photosystem II Protein Complex; Pisum sativum; Plant Proteins; Proteins; Spectrometry, Fluorescence; Spinacia oleracea; Temperature; Tryptophan; Tyrosine; Water | 2001 |
Structures of the B1 domain of protein L from Peptostreptococcus magnus with a tyrosine to tryptophan substitution.
Topics: Amino Acid Sequence; Amino Acid Substitution; Bacterial Proteins; Crystallography, X-Ray; DNA-Binding Proteins; Histidine; Models, Molecular; Molecular Sequence Data; Mutation; Nuclear Magnetic Resonance, Biomolecular; Peptides; Peptostreptococcus; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Fusion Proteins; Sequence Alignment; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine; Zinc | 2001 |
Yes-associated protein and p53-binding protein-2 interact through their WW and SH3 domains.
Topics: Adaptor Proteins, Signal Transducing; Amino Acid Motifs; Amino Acid Sequence; Apoptosis Regulatory Proteins; Blotting, Western; Brain; Carrier Proteins; Cell Line; Chloramphenicol O-Acetyltransferase; DNA, Complementary; Enzyme-Linked Immunosorbent Assay; Gene Library; Glutathione Transferase; Humans; Molecular Sequence Data; Mutagenesis, Site-Directed; Phosphoproteins; Phosphorylation; Plasmids; Point Mutation; Precipitin Tests; Protein Binding; Protein Structure, Tertiary; Sequence Homology, Amino Acid; src Homology Domains; Transcription Factors; Transfection; Tryptophan; Two-Hybrid System Techniques; Tyrosine; YAP-Signaling Proteins | 2001 |
Structural plasticity of an invariant hydrophobic triad in the switch regions of Rab GTPases is a determinant of effector recognition.
Topics: Adaptor Proteins, Signal Transducing; Amino Acid Sequence; Base Sequence; Crystallography, X-Ray; Epitopes; Escherichia coli; Models, Molecular; Molecular Sequence Data; Nerve Tissue Proteins; Phenylalanine; Protein Binding; Protein Conformation; Protein Structure, Secondary; Protein Structure, Tertiary; rab GTP-Binding Proteins; rab3A GTP-Binding Protein; rab5 GTP-Binding Proteins; Rabphilin-3A; Tryptophan; Tyrosine; Vesicular Transport Proteins | 2001 |
Role of the flexible loop of hypoxanthine-guanine-xanthine phosphoribosyltransferase from Tritrichomonas foetus in enzyme catalysis.
Topics: Amino Acid Sequence; Animals; Binding Sites; Catalysis; Magnesium; Molecular Sequence Data; Mutagenesis, Site-Directed; Nuclear Magnetic Resonance, Biomolecular; Pentosyltransferases; Phosphoribosyl Pyrophosphate; Protein Structure, Secondary; Serine; Spectrometry, Fluorescence; Substrate Specificity; Thermodynamics; Tritrichomonas foetus; Tryptophan; Tyrosine | 2001 |
Developmental changes in cerebrospinal fluid concentrations of monoamine-related substances in patients with dentatorubral-pallidoluysian atrophy.
Topics: Adolescent; Age Factors; Aging; Biogenic Monoamines; Case-Control Studies; Child; Child, Preschool; Chromatography, High Pressure Liquid; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Myoclonic Epilepsies, Progressive; Tryptophan; Tyrosine | 2001 |
Neurotransmitter sampling and storage for capillary electrophoresis analysis.
Topics: Animals; Dopamine; Electrophoresis, Capillary; Ganglia, Invertebrate; Invertebrates; Neurons; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 2001 |
Functional analysis of combinatorial mutants with changes in the C-terminus of the CD loop of the D2 protein in photosystem II of Synechocystis sp. PCC 6803.
Topics: Calcium; Chlorides; Chlorophyll; Combinatorial Chemistry Techniques; Cyanobacteria; Free Radicals; Kinetics; Mutagenesis, Site-Directed; Oxidation-Reduction; Peptide Fragments; Photosynthetic Reaction Center Complex Proteins; Protein Structure, Secondary; Quinones; Tryptophan; Tyrosine | 2001 |
Identification of inhibitor binding sites of the cAMP-specific phosphodiesterase 4.
Topics: 3',5'-Cyclic-AMP Phosphodiesterases; Animals; Binding Sites; Blotting, Western; COS Cells; Cyclic AMP; Cyclic Nucleotide Phosphodiesterases, Type 4; Drug Design; Electrophoresis, Polyacrylamide Gel; Enzyme Inhibitors; Gene Deletion; Histidine; Humans; Inhibitory Concentration 50; Ions; Kinetics; Models, Chemical; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Phosphodiesterase Inhibitors; Point Mutation; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Recombinant Proteins; Rolipram; Tryptophan; Tyrosine; Zinc | 2001 |
UV radiation effects on flavocytochrome b2 in dilute aqueous solution.
Topics: Circular Dichroism; Kinetics; L-Lactate Dehydrogenase; L-Lactate Dehydrogenase (Cytochrome); Lasers; Photolysis; Protein Structure, Secondary; Solutions; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultraviolet Rays | 2000 |
An optimized protein kinase C activating diacylglycerol combining high binding affinity (Ki) with reduced lipophilicity (log P).
Topics: Animals; Binding Sites; Binding, Competitive; CHO Cells; Cricetinae; Databases as Topic; Diglycerides; Enzyme Activation; Hydrogen Bonding; Kinetics; Models, Molecular; Molecular Conformation; Phorbol 12,13-Dibutyrate; Protein Conformation; Protein Kinase C; Protein Structure, Secondary; Recombinant Fusion Proteins; Structure-Activity Relationship; Transfection; Tryptophan; Tyrosine; Zinc Fingers | 2001 |
Pseudoreversion of the catalytic activity of Y14F by the additional substitution(s) of tyrosine with phenylalanine in the hydrogen bond network of delta 5-3-ketosteroid isomerase from Pseudomonas putida biotype B.
Topics: Acrylamide; Amino Acid Substitution; Androstenedione; Catalysis; Crystallography, X-Ray; Deuterium Oxide; Enzyme Activation; Hydrogen Bonding; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Pseudomonas putida; Spectrometry, Fluorescence; Steroid Isomerases; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Tyrosine | 2001 |
Comparative electron paramagnetic resonance study of radical intermediates in turnip peroxidase isozymes.
Topics: Anisotropy; Brassica; Catalysis; Electron Spin Resonance Spectroscopy; Free Radicals; Hydrogen Peroxide; Hydrogen-Ion Concentration; Isoenzymes; Oxidation-Reduction; Peroxidases; Porphyrins; Tryptophan; Tyrosine | 2001 |
Protein conformation change of myoglobin upon ligand binding probed by ultraviolet resonance Raman spectroscopy.
Topics: Animals; Deuterium Oxide; Histidine; Horses; Hydrogen Bonding; Lasers; Ligands; Myoglobin; Protein Conformation; Protoporphyrins; Solutions; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Ultraviolet Rays; Whales | 2001 |
Light-dependent generation of reactive oxygen species in cell culture media.
Topics: Azides; Culture Media; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Fluoresceins; Fluorescent Dyes; Folic Acid; Hydrolysis; Hydroxyl Radical; Light; Oxidation-Reduction; Oxygen; Phenolsulfonphthalein; Photochemistry; Piperazines; Pyridoxine; Reactive Oxygen Species; Rhodamines; Riboflavin; Singlet Oxygen; Spin Labels; Superoxides; Tryptophan; Tyrosine | 2001 |
An essential residue in the flexible peptide linking the two idiosynchratic domains of bacterial tyrosyl-tRNA synthetases.
Topics: Alanine; Amino Acid Sequence; Amino Acid Substitution; Enzyme Activation; Geobacillus stearothermophilus; Kinetics; Leucine; Molecular Sequence Data; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Protein Structure, Tertiary; Sequence Alignment; Sequence Homology, Amino Acid; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine; Tyrosine-tRNA Ligase | 2001 |
Role of aromatic stacking interactions in the modulation of the two-electron reduction potentials of flavin and substrate/product in Megasphaera elsdenii short-chain acyl-coenzyme A dehydrogenase.
Topics: Acyl Coenzyme A; Acyl-CoA Dehydrogenase; Binding Sites; Catalysis; Electrochemistry; Electron Transport; Fatty Acid Desaturases; Flavin-Adenine Dinucleotide; Macromolecular Substances; Mutagenesis, Site-Directed; Oxidation-Reduction; Peptostreptococcus; Phenylalanine; Recombinant Proteins; Spectrometry, Fluorescence; Substrate Specificity; Thermodynamics; Tryptophan; Tyrosine | 2001 |
Protein peroxidation processes in bovine retained and not-retained placenta.
Topics: Animals; Case-Control Studies; Cattle; Cattle Diseases; Female; Kynurenic Acid; Placenta; Placenta, Retained; Pregnancy; Proteins; Sulfhydryl Compounds; Tryptophan; Tyrosine | 2001 |
One-electron reduction potentials of dietary carotenoid radical cations in aqueous micellar environments.
Topics: Carotenoids; Cations; Cysteine; Dipeptides; Free Radicals; Hydrogen-Ion Concentration; Micelles; Oxidation-Reduction; Pulse Radiolysis; Spectrophotometry; Tryptophan; Tyrosine; Water | 2001 |
Properties of photogenerated tryptophan and tyrosyl radicals in structurally characterized proteins containing rhenium(I) tricarbonyl diimines.
Topics: Free Radicals; Imines; Photochemistry; Proteins; Rhenium; Tryptophan; Tyrosine | 2001 |
Multifrequency high-field EPR study of the tryptophanyl and tyrosyl radical intermediates in wild-type and the W191G mutant of cytochrome c peroxidase.
Topics: Cytochrome-c Peroxidase; Electron Spin Resonance Spectroscopy; Mutation; Tryptophan; Tyrosine | 2001 |
Tryptophan residues at subunit interfaces used as fluorescence probes to investigate homotropic and heterotropic regulation of aspartate transcarbamylase.
Topics: Allosteric Regulation; Asparagine; Aspartate Carbamoyltransferase; Aspartic Acid; Escherichia coli; Fluorescent Dyes; Kinetics; Peptide Fragments; Phenylalanine; Phosphonoacetic Acid; Spectrometry, Fluorescence; Substrate Specificity; Titrimetry; Tryptophan; Tyrosine | 2001 |
Identification of potential substrate-binding sites in yeast and human acyl-CoA sterol acyltransferases by mutagenesis of conserved sequences.
Topics: Acyltransferases; Alanine; Amino Acid Sequence; Animals; Binding Sites; Conserved Sequence; Esterification; Gene Deletion; Gene Expression; Humans; Leucine; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation, Missense; Promoter Regions, Genetic; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Serine; Sterol O-Acyltransferase; Structure-Activity Relationship; Transfection; Tryptophan; Tyrosine | 2001 |
A kinetic analysis of the catalase activity of myeloperoxidase.
Topics: Catalase; Catalysis; Humans; Hydrogen Peroxide; Kinetics; Leukocytes; Models, Chemical; Neutrophils; Peroxidase; Tryptophan; Tyrosine | 2001 |
Formation of oligopeptides on the surface of small bodies in solar system by cosmic radiation.
Topics: Amino Acids; Cosmic Radiation; Cyclotrons; Evolution, Chemical; Glycine; Oligopeptides; Protons; Solar System; Tryptophan; Tyrosine | 1997 |
Effect of electroconvulsive therapy on biopterin and large neutral amino acids in severe, medication-resistant depression.
Topics: Adult; Aged; Amino Acids, Neutral; Biopterins; Depressive Disorder, Major; Electroconvulsive Therapy; Female; Humans; Isoleucine; Leucine; Male; Middle Aged; Neopterin; Phenylalanine; Psychiatric Status Rating Scales; Psychotic Disorders; Reference Values; Treatment Outcome; Tryptophan; Tyrosine; Valine | 2001 |
Aromatics at the murine nicotinic receptor agonist binding site: mutational analysis of the alphaY93 and alphaW149 residues.
Topics: Acetylcholine; Animals; Binding Sites; Cell Line; DNA Mutational Analysis; Electrophysiology; Humans; Ion Channel Gating; Kinetics; Mice; Nicotinic Agonists; Patch-Clamp Techniques; Quaternary Ammonium Compounds; Receptors, Nicotinic; Tryptophan; Tyrosine | 2001 |
Characterization of uptake and compartmentalization of 3,5,3'-tri-iodothyronine in cultured neonatal rat cardiomyocytes.
Topics: Amino Acids; Amino Acids, Cyclic; Analysis of Variance; Animals; Animals, Newborn; Biological Transport; Cadaverine; Cell Membrane; Cell Nucleus; Cells, Cultured; Cytosol; Diiodothyronines; Endocytosis; Female; Male; Models, Animal; Myocardium; Oligomycins; Rats; Rats, Wistar; Regression Analysis; Thyroxine; Triiodothyronine; Triiodothyronine, Reverse; Tryptophan; Tyrosine | 2001 |
Fluorescence resonance energy transfer shows a close helix-helix distance in the transmembrane M13 procoat protein.
Topics: Amino Acid Sequence; Bacteriophage M13; Capsid; Capsid Proteins; Energy Transfer; Fluorescence; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Protein Conformation; Protein Precursors; Protein Structure, Secondary; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 2001 |
[Simultaneous determination of tyrosine and tryptophan in amino acid injection, animal and plant extracts by polarization spectrofluorimetry].
Topics: Amino Acids; Animals; Decapoda; Fluorescence Polarization; Plant Extracts; Tryptophan; Tyrosine | 1997 |
Physical properties of human polynucleotide kinase: hydrodynamic and spectroscopic studies.
Topics: Adenosine Triphosphate; Amino Acids; Animals; Circular Dichroism; Cloning, Molecular; DNA, Complementary; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Humans; Phenylalanine; Polymerase Chain Reaction; Polynucleotide 5'-Hydroxyl-Kinase; Protein Binding; Protein Conformation; Protein Structure, Secondary; Recombinant Proteins; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays; Water | 2001 |
Structure of bacteriophage P22 portal protein in relation to assembly: investigation by Raman spectroscopy.
Topics: Bacteriophage P22; Capsid; Capsid Proteins; Cysteine; Models, Molecular; Protein Conformation; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Virus Assembly | 2001 |
Investigation of the dNTP-binding site of HIV-1 reverse transcriptase using photoreactive analogs of dNTP.
Topics: Alanine; Amino Acid Substitution; Binding Sites; Catalytic Domain; Deoxyuracil Nucleotides; Dideoxynucleotides; HIV Reverse Transcriptase; Kinetics; Magnesium; Manganese; Photoaffinity Labels; Photochemistry; Tryptophan; Tyrosine; Ultraviolet Rays; Uracil Nucleotides | 2001 |
The role of redox-active amino acids on compound I stability, substrate oxidation, and protein cross-linking in yeast cytochrome C peroxidase.
Topics: Animals; Circular Dichroism; Cytochrome-c Peroxidase; Enzyme Stability; Hydrogen Peroxide; Mutagenesis, Site-Directed; Oxidants; Oxidation-Reduction; Protein Structure, Tertiary; Saccharomyces cerevisiae; Spectrum Analysis; Tryptophan; Tyrosine | 2001 |
Tryptophan and tyrosine radicals in ribonucleotide reductase: a comparative high-field EPR study at 94 GHz.
Topics: Animals; Electron Spin Resonance Spectroscopy; Escherichia coli; Free Radicals; Mice; Mutagenesis, Site-Directed; Protein Subunits; Ribonucleotide Reductases; Tryptophan; Tyrosine | 2001 |
Second derivative fluorescence spectroscopy of tryptophan in proteins.
Topics: Animals; Cattle; Humans; Melitten; Proteins; Serum Albumin; Serum Albumin, Bovine; Solvents; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2002 |
Fluorescence studies on native and bound to trifluraline soy bean Lb"a" in the enhanced N2 fixation.
Topics: Acrylamides; Energy Transfer; Glycine max; Herbicides; Hydrogen-Ion Concentration; Kinetics; Leghemoglobin; Ligands; Molecular Conformation; Nitrogen Fixation; Spectrometry, Fluorescence; Temperature; Trifluralin; Tryptophan; Tyrosine | 2001 |
The flexible C-terminal region of Aspergillus terreus blasticidin S deaminase: identification of its functional roles with deletion enzymes.
Topics: Amino Acid Sequence; Aspergillus; Catalysis; Catalytic Domain; Electrophoresis, Polyacrylamide Gel; Gene Deletion; Glycine; Hot Temperature; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Nucleosides; Protein Conformation; Protein Folding; Protein Structure, Tertiary; Temperature; Tryptophan; Tyrosine; Zinc | 2002 |
Chimaeric gonadotropin-releasing hormone (GnRH) peptides with improved affinity for the catfish (Clarias gariepinus) GnRH receptor.
Topics: Alanine; Animals; Aspartic Acid; Binding Sites; Catfishes; Cell Line; Cell Membrane; Chickens; DNA, Complementary; Dose-Response Relationship, Drug; Enzyme-Linked Immunosorbent Assay; Glutamic Acid; Gonadotropin-Releasing Hormone; Humans; Ligands; Models, Molecular; Mutagenesis, Site-Directed; Peptides; Protein Binding; Protein Structure, Tertiary; Receptors, LHRH; Recombinant Fusion Proteins; Transfection; Tryptophan; Tyrosine | 2002 |
Secretory peptide hormones are biochemical antioxidants: structure-activity relationship.
Topics: Animals; Antioxidants; Female; Gonadotropin-Releasing Hormone; Humans; Melatonin; Rats; Rats, Sprague-Dawley; Reactive Nitrogen Species; Structure-Activity Relationship; Tryptophan; Tyrosine | 2002 |
Tyrosine mediated tryptophan ATP sensitivity in skeletal myosin.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Animals; Models, Chemical; Muscle, Skeletal; Myosin Subfragments; Protein Conformation; Rabbits; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 2002 |
UV resonance Raman study of streptavidin binding of biotin and 2-iminobiotin: comparison with avidin.
Topics: Avidin; Binding Sites; Biotin; Macromolecular Substances; Molecular Structure; Protein Binding; Spectrum Analysis, Raman; Streptavidin; Tryptophan; Tyrosine | 2001 |
Peroxyl adduct radicals formed in the iron/oxygen reconstitution reaction of mutant ribonucleotide reductase R2 proteins from Escherichia coli.
Topics: Cysteine; Electron Spin Resonance Spectroscopy; Escherichia coli; Glycine; Iron; Oxygen; Peroxides; Point Mutation; Ribonucleotide Reductases; Tryptophan; Tyrosine | 2002 |
Second derivative fluorescence spectra of indole compounds.
Topics: Acrylamide; Protein Conformation; Protein Denaturation; Protein Folding; Proteins; Spectrometry, Fluorescence; Spectrum Analysis; Tryptophan; Tyrosine | 2002 |
The central domain of Escherichia coli TyrR is responsible for hexamerization associated with tyrosine-mediated repression of gene expression.
Topics: Adenosine Triphosphatases; Adenosine Triphosphate; Amino Acid Sequence; Escherichia coli Proteins; Molecular Sequence Data; Repressor Proteins; Rhodamines; Tryptophan; Tyrosine | 2002 |
Mechanism in the reaction of cytochrome c oxidase with organic hydroperoxides: an ESR spin-trapping investigation.
Topics: Cysteine; Electron Spin Resonance Spectroscopy; Electron Transport Complex IV; Oxidative Stress; Spin Labels; tert-Butylhydroperoxide; Tryptophan; Tyrosine | 2002 |
Substitutions of Phe61 located in the vicinity of template 5'-overhang influence polymerase fidelity and nucleoside analog sensitivity of HIV-1 reverse transcriptase.
Topics: Adenosine Triphosphate; Alanine; Base Pair Mismatch; Dimerization; DNA; HIV Reverse Transcriptase; Inhibitory Concentration 50; Kinetics; Leucine; Mutagenesis; Mutation; Phenotype; Phenylalanine; Protein Binding; Protein Structure, Tertiary; Recombinant Proteins; Thymine Nucleotides; Tryptophan; Tyrosine | 2002 |
Anabaena sp. PCC 7119 flavodoxin as electron carrier from photosystem I to ferredoxin-NADP+ reductase. Role of Trp(57) and Tyr(94).
Topics: Anabaena; Desulfovibrio vulgaris; Dose-Response Relationship, Drug; Electrons; Ferredoxin-NADP Reductase; Flavodoxin; Kinetics; Microscopy, Fluorescence; Models, Chemical; Mutation; NADP; Photosynthetic Reaction Center Complex Proteins; Protein Binding; Riboflavin; Spectrophotometry; Thermodynamics; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2002 |
Nature of Interaction between basic fibroblast growth factor and the antiangiogenic drug 7,7-(carbonyl-bis[imino-N-methyl-4,2-pyrrolecarbonylimino[N-methyl-4,2-pyrrole]-carbonylimino])-bis-(1,3-naphtalene disulfonate). II. Removal of polar interactions af
Topics: Amino Acid Substitution; Angiogenesis Inhibitors; Distamycins; Fibroblast Growth Factor 2; Humans; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Neovascularization, Physiologic; Protein Conformation; Protein Denaturation; Protein Folding; Thermodynamics; Tryptophan; Tyrosine | 2002 |
Cation- and peptide-binding properties of human calmodulin-like skin protein.
Topics: Binding Sites; Calcium; Calcium-Binding Proteins; Calmodulin; Cations, Divalent; Circular Dichroism; Electrophoresis, Polyacrylamide Gel; Fluorescent Dyes; Humans; Magnesium; Melitten; Naphthalenesulfonates; Peptide Fragments; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Skin; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Transglutaminases; Tryptophan; Tyrosine | 2002 |
Oxidative modification of proteins: oxidation of tryptophan and production of dityrosine in purified proteins using Fenton's system.
Topics: Albumins; Ethanol; Humans; Hydrogen Peroxide; Hydroxyl Radical; Iron; Oxidation-Reduction; Sulfhydryl Compounds; Superoxide Dismutase; Tryptophan; Tyrosine | 2002 |
Charge transfer between tryptophan and tyrosine in casein: a pulse radiolysis study.
Topics: Caseins; Free Radicals; Pulse Radiolysis; Tryptophan; Tyrosine | 2002 |
Refined molecular hinge between allosteric and catalytic domain determines allosteric regulation and stability of fungal chorismate mutase.
Topics: Allosteric Regulation; Allosteric Site; Amino Acid Sequence; Amino Acid Substitution; Amino Acids, Aromatic; Aspergillus nidulans; Catalytic Domain; Chorismate Mutase; Culture Media; Enzyme Stability; Models, Molecular; Molecular Sequence Data; Pichia; Saccharomyces cerevisiae; Tryptophan; Tyrosine | 2002 |
Functional analysis of the Erwinia herbicola tutB gene and its product.
Topics: Amino Acid Sequence; Bacterial Proteins; Biological Transport; Cloning, Molecular; Erwinia; Escherichia coli; Genes, Bacterial; Genetic Vectors; Molecular Sequence Data; Operon; Sequence Alignment; Tryptophan; Tyrosine | 2002 |
The nature of intermolecular interactions between aromatic amino acid residues.
Topics: Amino Acids, Aromatic; Models, Molecular; Molecular Structure; Phenylalanine; Static Electricity; Tryptophan; Tyrosine | 2002 |
New structural insights from Raman spectroscopy of proteins and their assemblies.
Topics: Arginine; Cations; Crystallography, X-Ray; Cysteine; Hydrogen Bonding; Inovirus; Models, Molecular; Protein Structure, Secondary; Salmonella typhimurium; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Ultraviolet Rays; Water | 2002 |
Structure function analysis of interleukin 7: requirement for an aromatic ring at position 143 of helix D.
Topics: Animals; Binding, Competitive; Cell Line; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Histidine; Humans; Inhibitory Concentration 50; Interleukin-7; Mice; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Plasmids; Proline; Protein Binding; Protein Structure, Tertiary; Receptors, Interleukin-7; Signal Transduction; Tryptophan; Tyrosine | 2002 |
Acceptability and tolerance of a low tyrosine and phenylalanine diet in patients with advanced cancer -- a pilot study.
Topics: Adult; Aged; Breast Neoplasms; Depression; Female; Humans; Male; Melanoma; Middle Aged; Neoplasm Metastasis; Nutritional Status; Phenylalanine; Pilot Projects; Quality of Life; Treatment Outcome; Tryptophan; Tyrosine | 2002 |
Electron transfer oxidation of tryptophan and tyrosine by triplet states and oxidized radicals of flavin sensitizers: a laser flash photolysis study.
Topics: Electron Transport; Flavin-Adenine Dinucleotide; Free Radicals; Lasers; Photochemistry; Photolysis; Riboflavin; Tryptophan; Tyrosine | 2002 |
Mechanisms of flavonoid repair reactions with amino acid radicals in models of biological systems: a pulse radiolysis study in micelles and human serum albumin.
Topics: alpha-MSH; Catechin; Electron Transport; Flavonoids; Free Radicals; Hydrogen-Ion Concentration; Micelles; Models, Biological; Oxidation-Reduction; Pulse Radiolysis; Quercetin; Rutin; Serum Albumin; Tryptophan; Tyrosine; Uric Acid | 2002 |
Comparative time-courses of copper-ion-mediated protein and lipid oxidation in low-density lipoprotein.
Topics: alpha-Tocopherol; Antioxidants; Apolipoprotein B-100; Apolipoproteins B; Copper; Dihydroxyphenylalanine; Humans; Lipid Peroxidation; Lipids; Lipoproteins, LDL; Oxidation-Reduction; Phenylalanine; Spectrometry, Fluorescence; Time Factors; Tryptophan; Tyrosine | 2002 |
A rare protein fluorescence behavior where the emission is dominated by tyrosine: case of the 33-kDa protein from spinach photosystem II.
Topics: Molecular Weight; Photosynthetic Reaction Center Complex Proteins; Photosystem II Protein Complex; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Spinacia oleracea; Tryptophan; Tyrosine | 2002 |
Functional group interactions of a 5-HT3R antagonist.
Topics: Animals; Arginine; Benzimidazoles; Benzyl Compounds; Cell Line; Humans; Kidney; Mice; Mutagenesis, Site-Directed; Nitrogen; Patch-Clamp Techniques; Piperazine; Piperazines; Piperidines; Protein Binding; Protein Interaction Mapping; Receptors, Serotonin; Receptors, Serotonin, 5-HT3; Serotonin Antagonists; Structure-Activity Relationship; Tryptophan; Tyrosine | 2002 |
Site-directed mutagenesis of tyrosine 118 within the central constriction site of the LamB (maltoporin) channel of Escherichia coli. II. Effect on maltose and maltooligosaccharide binding kinetics.
Topics: Bacterial Outer Membrane Proteins; Biological Transport; Biophysical Phenomena; Biophysics; Carbohydrate Metabolism; Carbohydrates; Crystallography, X-Ray; Escherichia coli; Glucans; Kinetics; Lipid Bilayers; Lipids; Maltose; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Oligosaccharides; Phenylalanine; Porins; Protein Binding; Receptors, Virus; Time Factors; Trisaccharides; Tryptophan; Tyrosine | 2002 |
A critical role for a tyrosine residue in the cannabinoid receptors for ligand recognition.
Topics: Amino Acid Sequence; Computer Simulation; Fluorescent Antibody Technique; Humans; Ligands; Models, Molecular; Molecular Sequence Data; Monte Carlo Method; Mutation; Receptors, Cannabinoid; Receptors, Drug; Rhodopsin; Signal Transduction; Stochastic Processes; Tryptophan; Tyrosine | 2002 |
NMR structure of PW2 bound to SDS micelles. A tryptophan-rich anticoccidial peptide selected from phage display libraries.
Topics: Animals; Arginine; Birds; Circular Dichroism; Coccidiostats; Eimeria; Hydrogen-Ion Concentration; Intercellular Signaling Peptides and Proteins; Lysine; Magnetic Resonance Spectroscopy; Micelles; Models, Molecular; Peptide Library; Peptides; Protein Conformation; Sodium Dodecyl Sulfate; Tryptophan; Tyrosine | 2002 |
Re-engineering butyrylcholinesterase as a cocaine hydrolase.
Topics: Alanine; Amino Acid Substitution; Animals; Butyrylcholinesterase; CHO Cells; Cocaine; Cricetinae; Genetic Engineering; Hydrolases; Models, Molecular; Tryptophan; Tyrosine | 2002 |
Solution structural studies of the Saccharomyces cerevisiae TATA binding protein (TBP).
Topics: Base Sequence; DNA Probes; DNA-Binding Proteins; Protein Conformation; Saccharomyces cerevisiae Proteins; Spectrometry, Fluorescence; TATA Box; TATA-Box Binding Protein; Transcription Factors; Tryptophan; Tyrosine | 2002 |
Hypothalamic digoxin-mediated model for subacute sclerosing panencephalitis.
Topics: Adolescent; Adult; Child; Digoxin; Dolichols; Dominance, Cerebral; Erythrocyte Membrane; Female; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Lysosomes; Magnesium; Male; Polyisoprenyl Phosphates; Sodium-Potassium-Exchanging ATPase; Subacute Sclerosing Panencephalitis; Tryptophan; Tyrosine; Ubiquinone | 2002 |
Membrane charge and curvature determine interaction with acyl-CoA binding protein (ACBP) and fatty acyl-CoA targeting.
Topics: Acyl Coenzyme A; Amino Acid Sequence; Animals; Circular Dichroism; Cloning, Molecular; Diazepam Binding Inhibitor; Enzyme Activation; Glycerol-3-Phosphate O-Acyltransferase; Hydrolysis; Liposomes; Mice; Micropore Filters; Microsomes, Liver; Molecular Sequence Data; Molecular Weight; Palmitoyl-CoA Hydrolase; Peptide Fragments; Protein Binding; Protein Structure, Secondary; Rats; Recombinant Fusion Proteins; Sequence Analysis, Protein; Spectrometry, Fluorescence; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Static Electricity; Tryptophan; Tyrosine | 2002 |
Arrangement of RecA protein in its active filament determined by polarized-light spectroscopy.
Topics: Light; Protein Conformation; Rec A Recombinases; Spectrum Analysis; Tryptophan; Tyrosine | 2002 |
Mechanisms of flavonoid repair reactions with amino acid radicals in models of biological systems: a pulse radiolysis study in micelles and human serum albumin.
Topics: alpha-MSH; Catechin; Electron Transport; Flavonoids; Free Radicals; Hydrogen-Ion Concentration; Micelles; Models, Biological; Oxidation-Reduction; Pulse Radiolysis; Quercetin; Rutin; Serum Albumin; Tryptophan; Tyrosine; Uric Acid | 2002 |
Identification and characterization of tyrosyl radical formation in Mycobacterium tuberculosis catalase-peroxidase (KatG).
Topics: Antitubercular Agents; Bacterial Proteins; Catalysis; Electron Spin Resonance Spectroscopy; Free Radicals; Isoniazid; Kinetics; Mycobacterium tuberculosis; Peroxidases; Tryptophan; Tyrosine | 2002 |
Repair of amino acid radicals of apolipoprotein B100 of low-density lipoproteins by flavonoids. A pulse radiolysis study with quercetin and rutin.
Topics: Amino Acids; Antioxidants; Apolipoprotein B-100; Apolipoproteins B; Bromides; Electron Transport; Free Radicals; Humans; Kinetics; Lipoproteins, LDL; Models, Chemical; Oxidation-Reduction; Oxygen; Pulse Radiolysis; Quercetin; Rutin; Tryptophan; Tyrosine; Uric Acid | 2002 |
Specific characterization of substrate and inhibitor binding sites of a glycosyl hydrolase family 11 xylanase from Aspergillus niger.
Topics: Amino Acid Sequence; Asparagine; Aspergillus niger; Binding Sites; Chromatography, High Pressure Liquid; Circular Dichroism; Cloning, Molecular; DNA Mutational Analysis; Electrophoresis, Polyacrylamide Gel; Hydrogen-Ion Concentration; Immunoblotting; Kinetics; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; N-Glycosyl Hydrolases; Pichia; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Substrate Specificity; Surface Plasmon Resonance; Time Factors; Tryptophan; Tyrosine; Xylan Endo-1,3-beta-Xylosidase; Xylosidases | 2002 |
Aromatic side-chain interactions in proteins. I. Main structural features.
Topics: Amino Acids, Aromatic; Animals; Histidine; Molecular Structure; Phenylalanine; Protein Structure, Secondary; Proteins; Sequence Analysis, Protein; Tryptophan; Tyrosine | 2002 |
Aromatic side-chain interactions in proteins. II. Near- and far-sequence Phe-X pairs.
Topics: Amino Acids, Aromatic; Animals; Histidine; Models, Molecular; Molecular Structure; Phenylalanine; Protein Folding; Protein Structure, Secondary; Proteins; Sequence Analysis, Protein; Tryptophan; Tyrosine | 2002 |
[Characterization of peptide and amino acid profile in casein hydrolysates].
Topics: Amino Acids; Caseins; Chromatography, High Pressure Liquid; Diet; Hydrogen-Ion Concentration; Hydrolysis; Nutritive Value; Papain; Peptides; Protein Hydrolysates; Temperature; Tryptophan; Tyrosine | 2002 |
Inactivation of cellular caspases by peptide-derived tryptophan and tyrosine peroxides.
Topics: Amino Acids; Caspase Inhibitors; Cysteine Proteinase Inhibitors; Dose-Response Relationship, Drug; Enzyme Activation; Humans; Hydrogen Peroxide; Jurkat Cells; Peroxides; Tryptophan; Tyrosine | 2002 |
Cloning and characterization of an aromatic amino acid and leucine permease of Penicillium chrysogenum.
Topics: Amino Acid Sequence; Amino Acid Transport Systems; Base Sequence; Cloning, Molecular; DNA, Complementary; Leucine; Molecular Sequence Data; Penicillium chrysogenum; Phenylalanine; Saccharomyces cerevisiae; Sequence Alignment; Tryptophan; Tyrosine | 2002 |
Identification of a tyrosine in the agonist binding site of the homomeric rho1 gamma-aminobutyric acid (GABA) receptor that, when mutated, produces spontaneous opening.
Topics: Amino Acid Sequence; Animals; Binding Sites; Binding, Competitive; Crotonates; Dimerization; Dose-Response Relationship, Drug; Electrophysiology; Ethyl Methanesulfonate; GABA Antagonists; Glycine; Humans; Imidazoles; Mesylates; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Oocytes; Organophosphorus Compounds; Picrotoxin; Protein Binding; Receptors, GABA-B; RNA, Complementary; Serine; Transcription, Genetic; Tryptophan; Tyrosine; Xenopus laevis | 2002 |
NMR spectroscopic and theoretical study of the complexation of the inhibitor allosamidin in the binding pocket of the plant chitinase hevamine.
Topics: Acetylglucosamine; Binding Sites; Chitinases; Enzyme Inhibitors; Hevea; Hydrogen Bonding; Insecticides; Macromolecular Substances; Models, Molecular; Models, Theoretical; Muramidase; Nuclear Magnetic Resonance, Biomolecular; Plant Proteins; Trisaccharides; Tryptophan; Tyrosine | 2002 |
Hypothalamic digoxin, hemispheric dominance, and neuroimmune integration.
Topics: Creutzfeldt-Jakob Syndrome; Digoxin; Dolichols; Erythrocyte Membrane; Functional Laterality; Glycosaminoglycans; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Lupus Erythematosus, Systemic; Mental Disorders; Neuroimmunomodulation; Recurrence; Respiratory Tract Diseases; Sodium-Potassium-Exchanging ATPase; Subacute Sclerosing Panencephalitis; Tryptophan; Tyrosine; Ubiquinone | 2002 |
Complex nuclear localization signals in the matrix protein of vesicular stomatitis virus.
Topics: Active Transport, Cell Nucleus; Amino Acid Sequence; Animals; Blotting, Western; Cell Nucleus; DNA; DNA Mutational Analysis; Glutathione Transferase; Green Fluorescent Proteins; HeLa Cells; Humans; Luminescent Proteins; Microscopy, Fluorescence; Molecular Sequence Data; Mutagenesis, Site-Directed; Nuclear Localization Signals; Plasmids; Point Mutation; Protein Binding; Protein Structure, Tertiary; Recombinant Fusion Proteins; RNA; Sequence Homology, Amino Acid; Transfection; Tryptophan; Tyrosine; Viral Matrix Proteins; Xenopus laevis | 2002 |
Induction of antioxidant flavonol biosynthesis in fresh-cut potatoes. Effect of domestic cooking.
Topics: Antioxidants; Caffeic Acids; Chlorogenic Acid; Chromatography, High Pressure Liquid; Cold Temperature; Flavonoids; Flavonols; Food Preservation; Glucosides; Hot Temperature; Light; Quercetin; Rutin; Solanum tuberosum; Spectrometry, Mass, Electrospray Ionization; Tryptophan; Tyrosine | 2002 |
Principal component similarity analysis of Raman spectra to study the effects of pH, heating, and kappa-carrageenan on whey protein structure.
Topics: Carrageenan; Disulfides; Hot Temperature; Hydrogen-Ion Concentration; Protein Denaturation; Protein Structure, Secondary; Serum Albumin, Bovine; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2002 |
Reversible ligand-induced dissociation of a tryptophan-shift mutant of phosphofructokinase from Bacillus stearothermophilus.
Topics: Allosteric Site; Crystallography, X-Ray; Dimerization; Enzyme Inhibitors; Enzyme Reactivators; Fructosephosphates; Geobacillus stearothermophilus; Ligands; Mutagenesis, Site-Directed; Phosphoenolpyruvate; Phosphofructokinase-1; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2002 |
Mutations in the VHL gene in sporadic apparently congenital polycythemia.
Topics: Adolescent; Adult; Arginine; Aspartic Acid; Base Sequence; Child; Child, Preschool; DNA Mutational Analysis; Erythroid Precursor Cells; Erythropoietin; Female; Heterozygote; Homozygote; Humans; Leucine; Ligases; Male; Mutation; Pedigree; Polycythemia; Sequence Analysis, DNA; Tryptophan; Tumor Suppressor Proteins; Tyrosine; Ubiquitin-Protein Ligases; Valine; Von Hippel-Lindau Tumor Suppressor Protein | 2003 |
Probing the exposure of tyrosine and tryptophan residues in partially folded proteins and folding intermediates by CIDNP pulse-labeling.
Topics: Lactalbumin; Muramidase; Nuclear Magnetic Resonance, Biomolecular; Photochemistry; Protein Denaturation; Protein Folding; Tryptophan; Tyrosine | 2002 |
Myoglobin scavenges peroxynitrite without being significantly nitrated.
Topics: Animals; Apoproteins; Free Radical Scavengers; Globins; Immunohistochemistry; Metmyoglobin; Myoglobin; Nitrates; Oxyhemoglobins; Peroxynitrous Acid; Tryptophan; Tyrosine | 2002 |
Hypothalamic digoxin deficiency in obsessive compulsive disorder and la Tourette's syndrome.
Topics: Cholesterol; Digoxin; Dolichols; Dominance, Cerebral; Erythrocyte Membrane; Functional Laterality; Glycosaminoglycans; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Obsessive-Compulsive Disorder; Polyisoprenyl Phosphates; Signal Transduction; Sodium-Potassium-Exchanging ATPase; Tourette Syndrome; Tryptophan; Tyrosine | 2002 |
Membrane Na(+)-K+ ATPase mediated cascade in bipolar mood disorder, major depressive disorder, and schizophrenia--relationship to hemispheric dominance.
Topics: Adult; Bipolar Disorder; Depressive Disorder, Major; Digoxin; Dominance, Cerebral; Humans; Hydroxymethylglutaryl CoA Reductases; Magnesium; Sampling Studies; Schizophrenia; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine | 2002 |
The beta G156C substitution in the F1-ATPase from the thermophilic Bacillus PS3 affects catalytic site cooperativity by destabilizing the closed conformation of the catalytic site.
Topics: Adenosine Triphosphate; Amino Acid Substitution; Bacillus; Binding Sites; Catalysis; Catalytic Domain; Cysteine; Dimethylamines; Enzyme Stability; Glutamic Acid; Glycine; Hydrolysis; Magnesium; Mutagenesis, Site-Directed; Protein Conformation; Proton-Translocating ATPases; Sodium Azide; Tryptophan; Tyrosine; Valine | 2002 |
Role of protein and substrate dynamics in catalysis by Pseudomonas putida cytochrome P450cam.
Topics: Adamantane; Alanine; Amino Acid Substitution; Camphanes; Camphor; Camphor 5-Monooxygenase; Catalysis; Fluorescence Polarization; Fluorescence Resonance Energy Transfer; Norbornanes; Pseudomonas putida; Recombinant Proteins; Substrate Specificity; Thermodynamics; Tryptophan; Tyrosine | 2002 |
Effect of solvent viscosity, polarity and pH on the charge transfer between tryptophan radical and tyrosine in bovine serum albumin: a pulse radiolysis study.
Topics: Animals; Cattle; Electrochemistry; Hydrogen-Ion Concentration; Oxidation-Reduction; Serum Albumin, Bovine; Solvents; Tryptophan; Tyrosine; Viscosity | 2003 |
Biotin sulfoxide reductase: Tryptophan 90 is required for efficient substrate utilization.
Topics: Alanine; Escherichia coli; Guanine Nucleotides; Iron-Sulfur Proteins; Isoenzymes; Molybdenum; Mutagenesis, Site-Directed; Oxidoreductases; Phenylalanine; Pterins; Recombinant Fusion Proteins; Rhodobacter sphaeroides; Tryptophan; Tyrosine | 2003 |
Differential ligand recognition by the Src and phosphatidylinositol 3-kinase Src homology 3 domains: circular dichroism and ultraviolet resonance Raman studies.
Topics: Amino Acid Substitution; Asparagine; Aspartic Acid; Circular Dichroism; Kinetics; Ligands; Peptide Fragments; Phosphatidylinositol 3-Kinases; Proto-Oncogene Proteins pp60(c-src); Spectrum Analysis, Raman; src Homology Domains; Tryptophan; Tyrosine | 2003 |
Structure-function relationships in the neurotoxin Vipoxin from the venom of Vipera ammodytes meridionalis.
Topics: Animals; Circular Dichroism; Crystallography, X-Ray; Disulfides; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Neurotoxins; Oxidation-Reduction; Phospholipases A; Phospholipases A2; Protein Subunits; Spectrometry, Fluorescence; Spectrophotometry; Structure-Activity Relationship; Tryptophan; Tyrosine; Viper Venoms; Viperidae | 2003 |
Isolation, purification, and physicochemical characterization of a D-galactose-binding lectin from seeds of Erythrina speciosa.
Topics: Animals; Calcium; Carbohydrates; Chromatography; Chromatography, Agarose; Circular Dichroism; Concanavalin A; Cysteine; Edetic Acid; Electrophoresis, Polyacrylamide Gel; Erythrocytes; Fabaceae; Galactose; Hemagglutination; Horses; Humans; Hydrogen-Ion Concentration; Isoelectric Focusing; Lectins; Manganese; Mass Spectrometry; Mice; Protein Structure, Tertiary; Rabbits; Seeds; Sheep; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays | 2003 |
Aromatic stacking in the sugar binding site of the lactose permease.
Topics: Alkylation; Amino Acids, Aromatic; Binding Sites; Biological Transport, Active; Cysteine; Escherichia coli Proteins; Ethylmaleimide; Kinetics; Lactose; Membrane Transport Proteins; Monosaccharide Transport Proteins; Nitrophenylgalactosides; Phenylalanine; Substrate Specificity; Symporters; Thiogalactosides; Tryptophan; Tyrosine | 2003 |
Efficient conformational sampling of local side-chain flexibility.
Topics: Arginine; Binding Sites; Catalytic Domain; Crystallography, X-Ray; Databases, Factual; Drug Design; Humans; Ligands; Matrix Metalloproteinase 1; Matrix Metalloproteinase Inhibitors; Molecular Conformation; Pliability; Protease Inhibitors; Protein Binding; Protein Conformation; Protein Structure, Secondary; Tryptophan; Tyrosine | 2003 |
Mechanism of flavin mononucleotide cofactor binding to the Desulfovibrio vulgaris flavodoxin. 1. Kinetic evidence for cooperative effects associated with the binding of inorganic phosphate and the 5'-phosphate moiety of the cofactor.
Topics: Alanine; Apoproteins; Asparagine; Binding Sites; Desulfovibrio vulgaris; Flavin Mononucleotide; Flavodoxin; Histidine; Kinetics; Models, Chemical; Mutagenesis, Site-Directed; Phosphates; Protein Binding; Riboflavin; Spectrometry, Fluorescence; Thermodynamics; Threonine; Tryptophan; Tyrosine | 2003 |
Spectroscopic characterization of five- and six-coordinate ferrous-NO heme complexes. Evidence for heme Fe-proximal cysteinate bond cleavage in the ferrous-NO adducts of the Trp-409Tyr/Phe proximal environment mutants of neuronal nitric oxide synthase.
Topics: Circular Dichroism; Cysteine; Electron Spin Resonance Spectroscopy; Ferric Compounds; Ferrous Compounds; Heme; Humans; Iron-Sulfur Proteins; Ligands; Mutagenesis, Site-Directed; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Oxidation-Reduction; Phenylalanine; Protein Structure, Tertiary; Solvents; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2003 |
Hypothalamic digoxin--central role in conscious perception, neuroimmunoendocrine integration and coordination of cellular function--relation to hemispheric dominance.
Topics: Digoxin; Disease; Family Health; Female; Free Radicals; Functional Laterality; Humans; Hypothalamus; Lysosomes; Male; Mental Disorders; Neurons; Pedigree; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine | 2003 |
Centrifugal and chromatographic analyses of tryptophan and tyrosine uptake by red blood cells and GLUT1 proteoliposomes with permeability estimates and observations on dihydrocytochalasin B.
Topics: Biological Transport; Cell Membrane Permeability; Cells, Cultured; Centrifugation; Chromatography, Gel; Cytochalasin B; Deoxyglucose; Erythrocytes; Glucose Transporter Type 1; Humans; Monosaccharide Transport Proteins; Permeability; Proteolipids; Tryptophan; Tyrosine; Ultrafiltration | 2003 |
Time-resolved phosphorescence of tyrosine, tyrosine analogs, and tyrosyl residues in oxytocin and small peptides.
Topics: Disulfides; Hydrogen-Ion Concentration; Models, Statistical; Oxytocin; Peptides; Phenol; Protein Conformation; Protein Structure, Tertiary; Spectrometry, Fluorescence; Time Factors; Tryptophan; Tyrosine; Vasopressins | 2002 |
A novel heme and peroxide-dependent tryptophan-tyrosine cross-link in a mutant of cytochrome c peroxidase.
Topics: Amino Acid Substitution; Cross-Linking Reagents; Crystallography, X-Ray; Cytochrome-c Peroxidase; Heme; Histidine; Imaging, Three-Dimensional; Models, Molecular; Mutation; Peroxides; Porphyrins; Protein Conformation; Protein Folding; Saccharomyces cerevisiae; Tryptophan; Tyrosine; Zinc | 2003 |
Peroxynitrite-induced oxidation and its effects on isolated proteasomal systems.
Topics: Anilino Naphthalenesulfonates; Animals; Blotting, Western; Brain; Caseins; Cattle; Cysteine Endopeptidases; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Free Radicals; Kinetics; Multienzyme Complexes; Oxygen; Peptides; Peroxynitrous Acid; Proteasome Endopeptidase Complex; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Thymus Gland; Tryptophan; Tyrosine | 2003 |
Structural and functional characterization of recombinant mouse annexin A11: influence of calcium binding.
Topics: Amino Acid Sequence; Animals; Annexins; Binding Sites; Calcium; Circular Dichroism; DNA, Complementary; Escherichia coli; Mice; Models, Molecular; Molecular Sequence Data; Phospholipids; Protein Binding; Protein Conformation; Protein Folding; Recombinant Proteins; Sequence Homology, Amino Acid; Spectrometry, Fluorescence; Structure-Activity Relationship; Temperature; Tryptophan; Tyrosine | 2003 |
Chronic fatigue syndrome: new evidence for a central fatigue disorder.
Topics: Adult; Amino Acids; Amino Acids, Branched-Chain; Exercise Test; Exercise Tolerance; Fatigue Syndrome, Chronic; Female; Humans; Male; Middle Aged; Oxygen Consumption; Tryptophan; Tyrosine | 2003 |
Light-induced electron transfer in a cryptochrome blue-light photoreceptor.
Topics: Arabidopsis Proteins; Cryptochromes; Drosophila Proteins; Electron Transport; Eye Proteins; Flavin-Adenine Dinucleotide; Flavoproteins; Kinetics; Light; Photoreceptor Cells, Invertebrate; Receptors, G-Protein-Coupled; Spectrum Analysis; Tryptophan; Tyrosine | 2003 |
Hypothalamic digoxin, hemispheric chemical dominance, and addictive behavior.
Topics: Behavior, Addictive; Chronic Disease; Digoxin; Dopamine; Functional Laterality; Humans; Hypothalamus; Serotonin; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine | 2003 |
Tryptophan-14 is the preferred site of DBNBS spin trapping in the self-peroxidation reaction of sperm whale metmyoglobin with a single equivalent of hydrogen peroxide.
Topics: Animals; Benzenesulfonates; Electron Spin Resonance Spectroscopy; Free Radicals; Horses; Hydrogen Peroxide; Metmyoglobin; Nitroso Compounds; Oxidants; Pronase; Species Specificity; Spin Trapping; Tryptophan; Tyrosine; Whales | 2003 |
Requirement of tryptophan in relation to the supply of large neutral amino acids in laying hens.
Topics: Amino Acids, Neutral; Animal Nutritional Physiological Phenomena; Animals; Chickens; Dose-Response Relationship, Drug; Female; Isoleucine; Leucine; Nutritional Requirements; Oviposition; Phenylalanine; Regression Analysis; Tryptophan; Tyrosine; Valine; Weight Gain | 2003 |
Completely different amyloidogenic potential of nearly identical peptide fragments.
Topics: Amino Acid Substitution; Amyloid; Amyloid beta-Peptides; Amyloid beta-Protein Precursor; Birefringence; Chromatography, High Pressure Liquid; Kinetics; Peptide Fragments; Sonication; Tryptophan; Tyrosine | 2003 |
Light-induced modulation of self-assembly on spiropyran-capped gold nanoparticles: a potential system for the controlled release of amino acid derivatives.
Topics: Amino Acids; Benzopyrans; Delayed-Action Preparations; Gold; Indoles; Levodopa; Light; Nitro Compounds; Particle Size; Photochemistry; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2003 |
Catabolism of aromatic amino acids in cheese-related bacteria: aminotransferase and decarboxylase activities.
Topics: Amino Acids, Aromatic; Bacteria; Brevibacterium; Carboxy-Lyases; Cheese; Corynebacterium; Lacticaseibacillus casei; Lactobacillus; Phenylalanine; Transaminases; Tryptophan; Tyrosine | 2003 |
Hypothalamic digoxin, hemispheric chemical dominance, and spirituality.
Topics: Adult; Analysis of Variance; Digoxin; Dominance, Cerebral; Erythrocyte Membrane; Female; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Magnesium; Male; Matched-Pair Analysis; Middle Aged; Polyisoprenyl Phosphates; Random Allocation; Sodium-Potassium-Exchanging ATPase; Spirituality; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Interpretation of fluorescence decays using a power-like model.
Topics: Computer Simulation; Fluorescence; Formycins; Half-Life; Light; Models, Chemical; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2003 |
Effective energy function for proteins in lipid membranes.
Topics: Amino Acids; Bacteriorhodopsins; Computational Biology; Computer Simulation; Glycophorins; Lipid Bilayers; Melitten; Membrane Proteins; Models, Molecular; Peptides; Protein Folding; Protein Structure, Secondary; Solvents; Static Electricity; Tryptophan; Tyrosine | 2003 |
Characterization of tryptophan high affinity transport system in pinealocytes of the rat. Day-night modulation.
Topics: Animals; Biological Transport; Circadian Rhythm; Enzyme Inhibitors; Ethylmaleimide; Hydrogen-Ion Concentration; Male; Osmolar Concentration; Phenylalanine; Photoperiod; Pineal Gland; Rats; Rats, Sprague-Dawley; Temperature; Tryptophan; Tyrosine | 2003 |
Isoprenoid pathway related cascade in multiple myeloma.
Topics: Calcium; Digoxin; Dolichols; Erythrocyte Membrane; Free Radicals; Glycoconjugates; Humans; Hydroxymethylglutaryl CoA Reductases; Middle Aged; Multiple Myeloma; Signal Transduction; Sodium-Potassium-Exchanging ATPase; Terpenes; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Inhibition of proteasome activity by selected amino acids.
Topics: Amino Acids; Animals; Arginine; Cysteine Endopeptidases; Enzyme Inhibitors; Insulin; Isoleucine; Leucine; Liver; Lysine; Lysosomes; Male; Multienzyme Complexes; Muscle, Skeletal; Phenylalanine; Proteasome Endopeptidase Complex; Rats; Rats, Sprague-Dawley; Tryptophan; Tyrosine | 2003 |
Free radical-induced protein modification and inhibition of Ca2+-ATPase of cardiac sarcoplasmic reticulum.
Topics: Adenosine Triphosphatases; Amino Acids; Animals; Antioxidants; Calcium; Calcium-Transporting ATPases; Dose-Response Relationship, Drug; Edetic Acid; Free Radicals; Kinetics; Lipid Metabolism; Lipid Peroxidation; Lysine; Myocardium; Oxidative Stress; Oxygen; Rats; Sarcoplasmic Reticulum; Spectrometry, Fluorescence; Time Factors; Tryptophan; Tyrosine | 2003 |
Spectral variants of green fluorescent protein.
Topics: Green Fluorescent Proteins; Histidine; Hydrogen-Ion Concentration; Ions; Light; Luminescent Proteins; Models, Chemical; Models, Molecular; Mutation; Phenylalanine; Protein Conformation; Protein Structure, Quaternary; Temperature; Tryptophan; Tyrosine | 1999 |
A novel method for the biosynthesis of deuterated proteins with selective protonation at the aromatic rings of Phe, Tyr and Trp.
Topics: Bacterial Proteins; Deuterium; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Proteins; Protons; Shikimic Acid; Tryptophan; Tyrosine | 2003 |
Re-evaluation of intramolecular long-range electron transfer between tyrosine and tryptophan in lysozymes. Evidence for the participation of other residues.
Topics: Animals; Asparagine; Binding Sites; Dimerization; Free Radicals; Glycine; Humans; Kinetics; Muramidase; Peptide Fragments; Pulse Radiolysis; Spectrometry, Fluorescence; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Trypsin; Tryptophan; Tyrosine | 2003 |
Aromatic residues within the substrate-binding cleft of Bacillus circulans chitinase A1 are essential for hydrolysis of crystalline chitin.
Topics: Amino Acids, Aromatic; Bacillus; Binding Sites; Catalytic Domain; Chitin; Chitinases; Crystallization; Hydrolysis; Mutagenesis, Site-Directed; Tryptophan; Tyrosine | 2003 |
[Quantum chemistry study on fluorescence spectra of three kinds of amino acids].
Topics: Phenylalanine; Quantum Theory; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2003 |
[Effect of low-power laser irradiation on the structure and properties of protein molecules under non-specific energy absorbance].
Topics: Fluorescent Dyes; Helium; Humans; Hydrogen-Ion Concentration; Kinetics; Lasers; Molecular Structure; Neon; Protein Binding; Protein Conformation; Proteins; Radiation Dosage; Serum Albumin; Solutions; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2003 |
[Simultaneous determination of tryptophan, tyrosine and phenylalanine in injection by derivative fluorescent PLS method].
Topics: Injections; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2001 |
Effects of potentiated antibodies against brain-specific S100 protein on biogenic amine content and lipid peroxidation in rats under conditions of alcoholization.
Topics: Animals; Antibodies; Biogenic Amines; Brain; Dopamine; Epinephrine; Ethanol; Lipid Peroxidation; Male; Norepinephrine; Rats; S100 Proteins; Substance Withdrawal Syndrome; Tryptophan; Tyrosine | 2003 |
[Simultaneous determination of tryptophan and tyrosine by second order derivative fluorimetry].
Topics: Fluorometry; Fruit; Hydrogen-Ion Concentration; Linear Models; Luminescent Measurements; Malus; Tryptophan; Tyrosine | 2000 |
[Simultaneous determination of tryptophan and tyrosine in injection by artificial neural network and fluorescence spectrum method].
Topics: Amino Acids; Injections; Neural Networks, Computer; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2003 |
Investigations on the content of methionine, tryptophane and tyrosine in the serum protein of patients with diffuse parenchymatous hepatic damage.
Topics: Blood; Blood Proteins; Liver Diseases; Methionine; Tryptophan; Tyrosine | 1952 |
Effects of high-voltage cathode rays on aqueous solutions of tryptophan, tyrosine, phenylalanine and cystine.
Topics: Amino Acids; Beta Particles; Cathode Ray Tube; Cystine; Phenylalanine; Tryptophan; Tyrosine | 1952 |
[The presence and determination of some free amino acids containing a benzene or an indole nucleus in human nasal secretions].
Topics: Amino Acids; Benzene; Humans; Indoles; Nasal Cavity; Paranasal Sinuses; Phenylalanine; Tryptophan; Tyrosine | 1953 |
[Determination of tyrosine and tryptophan in protein solutions and on tissue sections by modified absorption spectra in ultraviolet rays].
Topics: Humans; Proteins; Solutions; Tryptophan; Tyrosine; Ultraviolet Rays | 1954 |
Nature of pigments derived from tyrosine and tryptophan in animals.
Topics: Animals; Biological Products; Pigments, Biological; Tryptophan; Tyrosine | 1955 |
Metabolism of the aromatic amino acids.
Topics: Amino Acids, Aromatic; Biochemical Phenomena; Phenylalanine; Tryptophan; Tyrosine | 1955 |
Phenylalanine as an amino acid antagonist for the rat.
Topics: Amino Acids; Animals; Methionine; Phenylalanine; Rats; Threonine; Tryptophan; Tyrosine | 1956 |
[Mechanism of action of ultrasonics. I. Oxidation of aromatic compounds].
Topics: Amphetamine; Amphetamines; Benzene; Benzene Derivatives; Biochemical Phenomena; Oxidation-Reduction; Phenylalanine; Tryptophan; Tyrosine; Ultrasonics | 1955 |
Comparison of the metabolism of uniformly 14C-labelled L-phenylalanine, L-tyrosine and L-tryptophan in the rat.
Topics: Animals; Phenylalanine; Rats; Tryptophan; Tyrosine | 1956 |
The spectrophotofluorometric determination of tryptophan in plasma and of tryptophan and tyrosine in protein hydrolysates.
Topics: Humans; Plasma; Protein Hydrolysates; Tryptophan; Tyrosine | 1956 |
The nutrition of animal tissues cultivated in vitro. IV. Amino acid requirements of chick embryonic heart fibroblasts.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Chickens; Cystine; Fibroblasts; Glycine; Histidine; Hydroxyproline; In Vitro Techniques; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proline; Serine; Threonine; Tissue Culture Techniques; Tryptophan; Tyrosine; Valine | 1957 |
The amino acid requirements of rabbit fibroblasts, strain RM3-56.
Topics: Alanine; Amino Acids; Animals; Arginine; Cystine; Fibroblasts; Glutamates; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Rabbits; Serine; Threonine; Tissue Culture Techniques; Tryptophan; Tyrosine; Valine | 1957 |
Amino acid activation in hog pancreas.
Topics: Biochemical Phenomena; Pancreas; Tryptophan; Tyrosine | 1957 |
Incorporation of DL-tyrosine-2-C-14 and DL-tryptophan-2-C-14 by encysted Trichinella spiralis larvae.
Topics: Amino Acids; Animals; Larva; Trichinella spiralis; Trichinellosis; Tryptophan; Tyrosine | 1958 |
[Tyrosine and tryptophan concentration of proteins from antibiotic-resistant and antibiotic-sensitive Mycobacterium tuberculosis Grassberger].
Topics: Animals; Anti-Bacterial Agents; Antibiotics, Antitubercular; Dermatologic Agents; Diptera; Mycobacterium tuberculosis; Proteins; Tryptophan; Tyrosine | 1957 |
In vitro metabolism of DL-tyrosine-2-C-14 and DL-tryptophan-2-C-14 by Trichinella spiralis larvae.
Topics: Animals; Trichinella; Tryptophan; Tyrosine | 1958 |
The metabolism of aromatic amino acids in leukemic rats.
Topics: Amino Acids, Aromatic; Animals; Leukemia; Phenylalanine; Rats; Tryptophan; Tyrosine | 1958 |
Latent viral infection of cells in tissue culture. VI. Role of amino acids, glutamine, and glucose in psittacosis virus propagation in L cells.
Topics: Amino Acids; Arginine; Chlamydophila psittaci; Glucose; Glutamine; Lysine; Psittacosis; Serine; Tryptophan; Tyrosine | 1958 |
Ultraviolet difference spectra of pepsin.
Topics: Hydrogen Bonding; Pepsin A; Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 1959 |
Effect of pH on fluorescence of tryosine, tryptophan and related compounds.
Topics: Fluorescence; Tryptophan; Tyrosine | 1959 |
Reduced plasma levels of tyrosine, precursor of brain catecholamines, and of essential amino acids in patients with severe traumatic brain injury after rehabilitation.
Topics: Adolescent; Adult; Amino Acids, Essential; Brain Chemistry; Case-Control Studies; Craniocerebral Trauma; Humans; Male; Middle Aged; Statistics, Nonparametric; Time Factors; Tryptophan; Tyrosine | 2003 |
Metabolic adaptations in rat hepatomas. II. Tryptophan pyrrolase and tyrosine alpha-ketoglutarate transaminase.
Topics: Animals; Carcinoma, Hepatocellular; Ketoglutaric Acids; Liver Neoplasms; Rats; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1961 |
Amino acid requirements for maintenace in the adult rooster. IV. The requirements for methionine, cystine, phenylalanine, tyrosine and tryptophan; the adequacy of the determined requirements.
Topics: Amino Acids; Animals; Chickens; Cystine; Diet; Male; Methionine; Nutrition Assessment; Phenylalanine; Poultry; Tryptophan; Tyrosine | 1960 |
An enzyme in mast cells with properties like chymotrypsin.
Topics: Chymotrypsin; Mast Cells; Naphthalenes; Trypsin; Tryptophan; Tyrosine | 1959 |
The tyrosine and tryptophan content of blood serum in malignant disease.
Topics: Hematologic Diseases; Humans; Neoplasms; Serum; Syndrome; Tryptophan; Tyrosine | 1960 |
Fluorescence-polarization spectrum and electronic-energy transfer in tyrosine, tryptophan and related compounds.
Topics: Energy Transfer; Fluorescence; Tryptophan; Tyrosine | 1960 |
The effect of temperature on the fluorescence of some aromatic amino acids and proteins.
Topics: Amino Acids; Amino Acids, Aromatic; Fluorescence; Proteins; Temperature; Tryptophan; Tyrosine | 1962 |
Studies on aromatic amino acid uptake by rat brain in vivo. Uptake of phenylalanine and of tryptophan; inhibition and stereoselectivity in the uptake of tyrosine by brain and muscle.
Topics: Amino Acids, Aromatic; Animals; Brain; Muscles; Neurochemistry; Phenylalanine; Rats; Tryptophan; Tyrosine | 1962 |
[The phenol and indole pattern of rat urine after administration of tyrosine, tryptophan and phenylalanine and after inhibition of the intestinal flora with neomycin].
Topics: Animals; Indoles; Intestines; Neomycin; Phenol; Phenols; Phenylalanine; Rats; Tryptophan; Tyrosine | 1962 |
[Modification of the activity of liver tryptophan-pyrrolase and tyrosine-alpha-ketoglutarate-transaminase by chlorpromazine and reserpine with reference to adrenal gland function].
Topics: Adrenal Glands; Chlorpromazine; Ketoglutaric Acids; Liver; Peroxidases; Reserpine; Transaminases; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1963 |
Effectiveness of urea and ammonium nitrogen for the synthesis of dispensable amino acids by the chick.
Topics: Amino Acids; Ammonium Compounds; Animals; Arginine; Chickens; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Nitrogen; Phenylalanine; Quaternary Ammonium Compounds; Threonine; Tryptophan; Tyrosine; Urea; Valine | 1962 |
Transamination of aromatic amino-acids in nervous tissue.
Topics: Amination; Amino Acids, Aromatic; Brain; Histidine; Humans; Nerve Tissue; Phenylalanine; Transaminases; Tryptophan; Tyrosine | 1962 |
Histochemical studies on the gland cells. I. Secretory activity and intracellular amino acid of the gastric chief cells.
Topics: Amino Acids; Chief Cells, Gastric; Cytoplasm; Histidine; Stomach; Tryptophan; Tyrosine | 1963 |
Conversion of aromatic amino acids to fatty acids by adipose tissue.
Topics: Adipose Tissue; Amino Acids, Aromatic; Fatty Acids; Humans; Phenylalanine; Tryptophan; Tyrosine | 1963 |
Spectrophotometric studies on the tyrosyl and tryptophyl groups of carboxypeptidase A.
Topics: Carboxypeptidases; Carboxypeptidases A; Humans; Spectrophotometry; Tryptophan; Tyrosine | 1963 |
[Interaction of biomolecules stimulated with oxygen. II. Extinction of roentgen ray fluorescence of tryptophan and tyrosine with oxygen and nitrous oxide].
Topics: Fluorescence; Humans; Nitrous Oxide; Oxygen; Radiation Effects; Tryptophan; Tyrosine; X-Rays | 1963 |
Nitrogen balance studies with subjects fed the essential amino acids in plasma pattern proportions.
Topics: Amino Acids, Essential; Cystine; Isoleucine; Leucine; Lysine; Methionine; Nitrogen; Phenylalanine; Threonine; Tryptophan; Tyrosine; Valine | 1963 |
[Hereditary enzyme defects of amino acid metabolism].
Topics: Albinism; Alkaptonuria; Amino Acids; Humans; Maple Syrup Urine Disease; Metabolic Diseases; Phenylketonurias; Proteins; Tryptophan; Tyrosine | 1962 |
Nonenzymatic methods for the preferential and selective cleavage and modification of proteins.
Topics: Amides; Amino Acids; Histidine; Methionine; Peptides; Proteins; Ribonucleases; Tryptophan; Tyrosine; Viral Proteins | 1961 |
[Thin layer chromatographic separation of amino acids on cellulose layers].
Topics: Alanine; Amino Acids; Arginine; Asparagine; Cellulose; Chromatography; Cystine; Glutamates; Glycine; Isoleucine; Leucine; Lysine; Methionine; Serine; Tryptophan; Tyrosine; Valine | 1962 |
Effect of cortisone and thyroxine on aromatic amino acid decarboxylation.
Topics: Amino Acids, Aromatic; Carboxy-Lyases; Cortisone; Decarboxylation; Desoxycorticosterone; Thyroxine; Tryptophan; Tyrosine | 1963 |
The metabolism of aromatic aminoacids in kwashiorkor.
Topics: Histidine; Humans; Kwashiorkor; Phenylalanine; Proteins; Tryptophan; Tyrosine | 1963 |
The adaptive control of tryptophan and tyrosine metabolism in animals.
Topics: Biochemical Phenomena; Tryptophan; Tyrosine | 1963 |
EFFECTS OF CERTAIN AMINO ACIDS ON ANTHRANILATE PRODUCTION IN NEUROSPORA CRASSA.
Topics: Amino Acids; Arginine; Aspartic Acid; Chromatography; Fluorescence; Leucine; Metabolism; Methionine; Neurospora; Neurospora crassa; ortho-Aminobenzoates; Phenylalanine; Proline; Tryptophan; Tyrosine | 1963 |
[RESEARCH ON THE NUTRITION OF ERWINIA CAROTOVORA].
Topics: Alanine; Aminobutyrates; Ammonium Compounds; Arginine; Asparagine; Aspartic Acid; Boron; Calcium; Cobalt; Copper; Creatine; Creatinine; Culture; Culture Media; Cysteine; Cystine; Erwinia; Glutamates; Glycine; Iron; Lysine; Magnesium; Manganese; Methionine; Minerals; Molybdenum; Pectobacterium carotovorum; Proteins; Quaternary Ammonium Compounds; Tryptophan; Tyrosine; Zinc | 1963 |
[INFLUENCE OF A DEFICIENCY OF PROTEINS AND VARIOUS AMINO ACIDS ON THYROID ACTIVITY STUDIED WITH THE AID OF RADIOACTIVE IODINE].
Topics: Amino Acids; Blood Chemical Analysis; Caseins; Chromatography; Cystine; Iodine; Iodine Isotopes; Lysine; Methionine; Phenylalanine; Propylthiouracil; Protein Deficiency; Proteins; Rats; Research; Thyroid Function Tests; Thyroid Gland; Tryptophan; Tyrosine | 1963 |
A HISTOCHEMICAL STUDY OF HYPOPHYSECTOMY-INDUCED CHANGES IN RAT SUBMANDIBULAR AND SUBLINGUAL GLANDS.
Topics: Alkaline Phosphatase; Glycols; Histocytochemistry; Hypophysectomy; Rats; Research; RNA; Sublingual Gland; Submandibular Gland; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1963 |
THE AMINO-ACID COMPOSITION OF THE SOLUBLE LENS PROTEINS.
Topics: Amino Acids; Animals; Cattle; Chymotrypsin; Crystallins; Electrophoresis; Eye Proteins; Lens, Crystalline; Research; Trypsin; Tryptophan; Tyrosine | 1963 |
THE GRANULATED CELLS OF THE JUXTAGLOMERULAR APPARATUS. II. HISTOCHEMICAL TESTS FOR AMINO ACIDS.
Topics: Amino Acids; Animals; Histidine; Histocytochemistry; Juxtaglomerular Apparatus; Kidney Glomerulus; Mice; Research; Tryptophan; Tyrosine | 1963 |
ULTRAVIOLET DICHROISM OF F-ACTIN ORIENTED BY FLOW.
Topics: Actin Cytoskeleton; Actins; Adenine Nucleotides; Muscle Proteins; Research; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 1963 |
EXAMINATION OF OPTICALLY EXCITED AMINO-ACIDS BY ELECTRON SPIN RESONANCE AT VERY LOW TEMPERATURE.
Topics: Amino Acids; Chemistry Techniques, Analytical; Cold Temperature; Electron Spin Resonance Spectroscopy; Phenylalanine; Research; Temperature; Tryptophan; Tyrosine | 1963 |
N-ACETYLAMINO ACIDS AND PROTEIN SYNTHESIS.
Topics: Alanine; Glutamates; Histidine; Liver; Proteins; Research; RNA; Tryptophan; Tyrosine | 1963 |
GAS CHROMATOGRAPHY OF AMINO ACIDS. 1. ANALYSIS OF THE MIXTURE OF METHYL-NTRIFLUOROACETYL DERIVATIVES.
Topics: Alanine; Amino Acids; Aspartic Acid; Chromatography; Chromatography, Gas; Fluoroacetates; Glutamates; Glycine; Hydroxyproline; Leucine; Lysine; Methionine; Phenylalanine; Proline; Research; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1963 |
EFFECT OF TRICHINELLA SPIRALIS INFECTION ON INCORPORATION OF AMINO ACIDS INTO SERUM AND HEMOGLOBIN.
Topics: Alanine; Amino Acids; Animals; Blood Proteins; Carbon Isotopes; Glycine; Hemoglobins; Mice; Research; Trichinella spiralis; Trichinellosis; Tryptophan; Tyrosine | 1963 |
THERMOSTABLE COMPOUNDS OPPOSING TOXICITY OF THE CARCINOGEN 4-NITROQUINOLINE N-OXIDE TO FLAGELLATES AND BACTERIA.
Topics: Bacteria; Carcinogens; Corynebacterium; Euglena; Eukaryota; Naphthoquinones; Niacin; Nicotinic Acids; Nitroquinolines; Oxides; Pharmacology; Quinolines; Research; Rhodopseudomonas; Riboflavin; Thymine; Tryptophan; Tyrosine | 1963 |
EFFECT OF RESERPINE ON AMINO ACIDS IN BRAIN.
Topics: 5-Hydroxytryptophan; Amino Acids; Aminobutyrates; Aspartic Acid; Brain; Glutamates; Histidine; Hydroxyproline; Nitrogen; Pharmacology; Phenylalanine; Proline; Proteins; Rats; Research; Reserpine; Tryptophan; Tyrosine | 1963 |
OCCURRENCE OF CANDICINE(P-HYDROXYPHENYLETHYLTRIMETHYLAMMONIUM) IN EXTRACTS OF THE SKIN OF LEPTODACTYLUS PENTADACTYLUS PENTADACTYLUS.
Topics: Alkaloids; Ammonium Compounds; Amphibians; Animals; Histamine; Histidine; Phenethylamines; Quaternary Ammonium Compounds; Ranidae; Serotonin; Skin; Tissue Extracts; Tryptophan; Tyramine; Tyrosine | 1963 |
END-PRODUCT REGULATION OF THE GENERAL AROMATIC-PATHWAY IN ESCHERICHIA COLI W.
Topics: 4-Aminobenzoic Acid; Escherichia coli; Ligases; Phenylalanine; Proteins; Research; Shikimic Acid; Tryptophan; Tyrosine | 1963 |
A HISTOCHEMICAL COMPARISON OF THE INCLUSION BODIES OF CANINE DISTEMPER AND INFECTIOUS CANINE HEPATITIS.
Topics: Animals; Arginine; Carbohydrate Metabolism; Coloring Agents; Cysteine; Cystine; Distemper; DNA; DNA, Viral; Dog Diseases; Dogs; Hepatitis, Animal; Hepatitis, Infectious Canine; Histocytochemistry; Inclusion Bodies; Lipid Metabolism; Minerals; RNA; RNA, Viral; Staining and Labeling; Tryptophan; Tyrosine; Viruses | 1963 |
FLUORESCENCE AND THE STRUCTURE OF PROTEINS. II. FLUORESCENCE OF PEPTIDES CONTAINING TRYPTOPHAN OR TYROSINE.
Topics: Chromatography; Fluorescence; Peptides; Proteins; Research; Tryptophan; Tyrosine | 1963 |
ADENOSINE TRIPHOSPHATE-CREATINE PHOSPHOTRANSFERASE FROM OX BRAIN. 2. PROPERTIES AND FUNCTION.
Topics: Adenosine Triphosphate; Animals; Brain; Cattle; Chromatography; Coenzymes; Colorimetry; Creatine; Creatinine; Enzyme Inhibitors; Guinea Pigs; Magnesium; Phosphotransferases; Research; Sulfhydryl Compounds; Tryptophan; Tyrosine | 1963 |
EFFECT OF CATIONS UPON HYDROPHOBICITY OF YEASTS GROWN IN AMINO ACID MEDIA.
Topics: Amino Acids; Ammonium Compounds; Cations; Chlorides; Culture Media; Glutamic Acid; Histidine; Hydrophobic and Hydrophilic Interactions; Lysine; Nitrogen; Phenylalanine; Proline; Quaternary Ammonium Compounds; Research; Tryptophan; Tyrosine; Valine; Yeasts | 1963 |
THE SOLUBILITY OF AMINO ACIDS AND RELATED COMPOUNDS IN AQUEOUS UREA SOLUTIONS.
Topics: Alanine; Amino Acids; Asparagine; Chemical Phenomena; Chemistry; Glutamine; Glycine; Histidine; Leucine; Methionine; Peptides; Phenylalanine; Research; Solubility; Solvents; Spectrophotometry; Threonine; Tryptophan; Tyrosine; Urea | 1963 |
THE ENZYME-SUBSTRATE COMPLEX IN A MURAMIDASE CATALYZED REACTION. I. DIFFERENCE SPECTRUM OF COMPLEX.
Topics: Chemical Phenomena; Chemistry; Glucosamine; Hydrogen-Ion Concentration; Muramidase; Ovalbumin; Polysaccharides; Pyrrolidinones; Research; Spectrum Analysis; Tryptophan; Tyrosine; Urea | 1963 |
[TRIALS OF A NEW ANTIHYPERTENSIVE, ALPHA-METHYL-DOPA (ALDOMET) WITH SPECIAL REFERENCE TO CHANGES IN RETINAL BLOOD FLOW].
Topics: Angiotensins; Antihypertensive Agents; Blood Circulation; Blood Pressure; Blood Pressure Determination; Dopamine; Epinephrine; Hemodynamics; Methyldopa; NAD; Norepinephrine; Phenylalanine; Renin; Retinal Vessels; Serotonin; Tryptophan; Tyrosine | 1963 |
[ON ULTRAVIOLET LUMINESCENCE OF MUSCLES AND MUSCLE PROTEINS].
Topics: Animals; Anura; Fluorescence; Luminescence; Muscle Proteins; Muscles; Phenylalanine; Ranidae; Research; Tryptophan; Tyrosine; Ultraviolet Rays | 1963 |
STUDIES ON MORPHINE. III. ACTION OF METABOLIC PRECURSORS TO SEROTONIN AND NORADRENALINE AND RELATED SUBSTANCES ON THE "ABSTINENCE SYNDROME" TO MORPHINE ON WHITE MICE.
Topics: Brain; Catecholamines; Dihydroxyphenylalanine; Ergot Alkaloids; Iproniazid; Kynurenine; Lysergic Acid Diethylamide; Methyldopa; Mice; Morphine; Nalorphine; Norepinephrine; ortho-Aminobenzoates; Pharmacology; Phenylalanine; Research; Serotonin; Shikimic Acid; Toxicology; Tryptophan; Tyrosine | 1963 |
GLUCOCORTICOIDS AND TRANSAMINASE ACTIVITY. VII. STUDIES ON THE NATURE AND SPECIFICITY OF SUBSTRATE INDUCTION OF TYROSINE-ALPHA-KETOGLUTARATE TRANSAMINASE AND TRYPTOPHAN PYRROLASE.
Topics: Adrenalectomy; Adrenocorticotropic Hormone; Anti-Bacterial Agents; Ethionine; Glucocorticoids; Histidine; Indoleacetic Acids; Indoles; Ketoglutaric Acids; Liver; Methionine; Peroxidases; Pharmacology; Puromycin; Rats; Research; Serotonin; Transaminases; Tryptophan; Tryptophan Oxygenase; Tyrosine; Tyrosine Transaminase | 1963 |
UPTAKE OF AMINO ACIDS BY SALMONELLA TYPHIMURIUM.
Topics: Amino Acids; Carbohydrate Metabolism; Carbon Isotopes; Enzymes; Histidine; Phenylalanine; Proteins; Research; Salmonella typhimurium; Tryptophan; Tyrosine | 1964 |
A DETERMINATION OF THE ESSENTIAL AMINO ACID PROPORTIONS NEEDED TO ALLOW RAPID GROWTH IN CHICKS.
Topics: Amino Acids; Amino Acids, Essential; Animals; Animals, Newborn; Arginine; Caseins; Chickens; Cystine; Diet; Dietary Proteins; Glutamates; Growth; Histidine; Isoleucine; Leucine; Lysine; Methionine; Nitrogen; Phenylalanine; Poultry; Proline; Research; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
RELATIVE POTENCY OF DIETS CONTAINING AMINO ACIDS AND PROTEINS FOR PROMOTING GROWTH OF RATS.
Topics: Albumins; Amino Acids; Animals, Newborn; Arginine; Cystine; Diet; Dietary Proteins; Glutamates; Glycine; Growth; Histidine; Isoleucine; Leucine; Lysine; Methionine; Nitrogen; Phenylalanine; Proteins; Rats; Research; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
THE AMINO ACIDS COMPOSITION AND NUTRITIVE VALUE OF PROTEINS. V. AMINO ACID REQUIREMENTS AS A PATTERN FOR PROTEIN EVALUATION.
Topics: Albumins; Amino Acids; Caseins; Cystine; Dietary Proteins; Gelatin; Growth; Histidine; Isoleucine; Leucine; Lysine; Methionine; Nutritional Physiological Phenomena; Nutritional Sciences; Nutritive Value; Ovalbumin; Phenylalanine; Proteins; Rats; Research; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
INHIBITION OF THE HYDROXYLATION OF TRYPTOPHAN AND PHENYLALANINE BY ALPHA-METHYL-DOPA AND SIMILAR COMPOUNDS.
Topics: Antihypertensive Agents; Carboxy-Lyases; Enzyme Inhibitors; Hydroxylation; Liver; Metabolism; Methyldopa; Mixed Function Oxygenases; Pharmacology; Phenylalanine; Rats; Research; Research Design; Tissue Culture Techniques; Tryptophan; Tyrosine | 1964 |
THE SPECTROPHOTOMETRIC TITRATION OF THE SULFHYDRYL AND PHENOLIC GROUPS OF ALDOLASE.
Topics: Animals; Chemistry Techniques, Analytical; Fructose-Bisphosphate Aldolase; Muscles; Phenols; Rabbits; Research; Spectrophotometry; Sulfhydryl Compounds; Tryptophan; Tyrosine; Ultraviolet Rays | 1964 |
[ON THE LOCALIZATION OF SOME AMINO ACIDS IN THE MEMBRANOUS SEMICIRCULAR CANAL. HISTOCHEMICAL STUDY].
Topics: Amino Acids; Arginine; Cysteine; Histocytochemistry; Rabbits; Research; Semicircular Canals; Tryptophan; Tyrosine | 1963 |
[CONCERNING THE HISTOCHEMISTRY AND ULTRASTRUCTURE OF THE VITELLINE GRANULES IN THE GALLUS DOMESTICUS EGG].
Topics: Animals; Arginine; Chickens; Cysteine; Cystine; Egg Yolk; Glycoproteins; Histidine; Histocytochemistry; Phospholipids; Polysaccharides; Research; Tryptophan; Tyrosine | 1963 |
INFLUENCE OF AMINO ACIDS ON RAT LIVER PHENYLALANINE HYDROXYLASE ACTIVITY.
Topics: Alanine; Amides; Amino Acids; Blood Chemical Analysis; Citrates; Glycine; Leucine; Liver; Metabolism; Mixed Function Oxygenases; Phenylalanine; Phenylalanine Hydroxylase; Rats; Research; Tryptophan; Tyrosine | 1964 |
[ON THE ACTION TYPE OF THE ALPHA-LOCUS OF EPHESTIA KUEHNIELLA].
Topics: Animals; Genetics; Insecta; Metabolism; Metamorphosis, Biological; Mutation; Peroxidases; Pigmentation; Research; Tryptophan; Tyrosine | 1963 |
TRANSAMINATION OF AROMATIC AMINO ACIDS IN RAT BRAIN.
Topics: 5-Hydroxytryptophan; Amino Acids, Aromatic; Brain; Chromatography; Dihydroxyphenylalanine; Keto Acids; Ketoglutaric Acids; Phenylalanine; Phenylpyruvic Acids; Rats; Research; Tissue Extracts; Transaminases; Tryptophan; Tyrosine | 1964 |
[DRUGS AND ELECTROSHOCK].
Topics: Amphetamine; Amphetamines; Animals; Atropine; Blood Pressure; Convulsive Therapy; Dihydroxyphenylalanine; Electroconvulsive Therapy; Electroshock; Guanethidine; Imipramine; Iproniazid; Norepinephrine; Rabbits; Research; Reserpine; Respiration; Serotonin; Succinylcholine; Tryptophan; Tyrosine | 1964 |
DETERMINATION OF PHENYLALANINE IN BLOOD AND URINE.
Topics: Blood Chemical Analysis; Body Fluids; Humans; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine; Urine | 1964 |
FLUOROMETRIC ASSAY OF ALPHA-CHYMOTRYPSIN.
Topics: Biological Assay; Chymotrypsin; Fluorescence; Fluorometry; Research; Spectrum Analysis; Tryptophan; Tyrosine | 1964 |
HEMOGLOBINS FROM ERYTHROCYTES OF EEL, ANGUILLA JAPONICA.
Topics: Anguilla; Animals; Blood Protein Electrophoresis; Chemical Phenomena; Chemistry; Chromatography; Cyanides; Eels; Erythrocytes; Hemoglobins; Humans; Research; Spectrophotometry; Tryptophan; Tyrosine | 1964 |
ACCUMULATION OF RIBONUCLEIC ACID IN BACTERIAL NUCLEAR PREPARATIONS DURING TREATMENT OF WHOLE CELLS WITH 8-AZAGUANINE, TETRACYCLINES, AND OTHER INHIBITORS.
Topics: Anti-Bacterial Agents; Antimetabolites; Azaguanine; Bacillus megaterium; Bacteriological Techniques; Chloramphenicol; Chlortetracycline; Ethionine; Isoleucine; Leucine; Mutation; Nitrogen; Oxytetracycline; Phenylalanine; Proteins; Research; RNA; Sulfur; Tetracyclines; Tryptophan; Tyrosine; Valine | 1964 |
HEPATOMAS IN TISSUE CULTURE COMPARED WITH ADAPTING LIVER IN VIVO.
Topics: Carcinoma, Hepatocellular; Glucosephosphate Dehydrogenase; Hydro-Lyases; Liver; Liver Neoplasms; Ornithine; Oxidoreductases; Oxygenases; Phosphotransferases; Proteins; RNA; Threonine; Tissue Culture Techniques; Transaminases; Transferases; Tryptophan; Tyrosine | 1964 |
NONSPECIFIC ROLE OF ARGININE IN THE PROMOTION OF MUSCULAR DYSTROPHY IN THE CHICK.
Topics: Animals; Arginine; Body Weight; Chickens; Cystine; Dietary Proteins; Isoleucine; Lysine; Methionine; Muscular Dystrophies; Poultry; Protein Deficiency; Proteins; Research; Tryptophan; Tyrosine; Vitamin E Deficiency | 1964 |
THE EFFECT OF URAEMIC BLOOD CONSTITUENTS ON CERTAIN CEREBRAL ENZYMES.
Topics: Alanine Transaminase; Aspartate Aminotransferases; Benzoates; Brain; Carbohydrate Metabolism; Carboxy-Lyases; Cinnamates; Enzyme Inhibitors; Guinea Pigs; Hippurates; L-Lactate Dehydrogenase; Lactates; Mandelic Acids; Manometry; Metabolism; Monoamine Oxidase; Nucleotidases; Pharmacology; Phenylacetates; Phenylalanine; Propionates; Rats; Research; Spectrophotometry; Tryptophan; Tyrosine; Uremia | 1964 |
POLYNUCLEOTIDE ANALOGUES. II. STIMULATION OF AMINO ACID INCORPORATION BY POLYNUCLEOTIDE ANALOGUES.
Topics: Amino Acids; Carbon Isotopes; Chromatography; Cysteine; Escherichia coli; Glycine; Isoleucine; Leucine; Lysine; Pharmacology; Phenylalanine; Polynucleotides; Proline; Proteins; Research; Serine; Threonine; Tryptophan; Tyrosine; Uracil Nucleotides; Valine | 1964 |
MIGRATION OF AMINO ACIDS ACROSS THE MEMBRANE OF THE HUMAN ERYTHROCYTE.
Topics: Alanine; Amino Acids; Aminoisobutyric Acids; Biological Transport; Carbon Isotopes; Erythrocytes; Glycine; Histidine; Leucine; Methionine; Permeability; Phenylalanine; Proteins; Research; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
DYNAMIC PHENOMENA IN MICROSPHERES FROM THERMAL PROTEINOID.
Topics: Alanine; Arginine; Aspartic Acid; Colloids; Cystine; Glutamates; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Microspheres; Peptides; Phenylalanine; Photomicrography; Proline; Research; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
[SEPARATION OF AMINO ACIDS BY CHROMATOGRAPHY ON THIN LAYERS OF DIETHYLAMINOETHYL CELLULOSE].
Topics: Alanine; Amino Acids; Arginine; Asparagine; Aspartic Acid; Cellulose; Chromatography; Cystine; Glutamates; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proline; Research; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
STUDIES ON THE PHOTOINACTIVATION OF D-AMINOACID OXIDASE.
Topics: Chemical Phenomena; Chemistry; Coloring Agents; D-Amino-Acid Oxidase; Diphosphates; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; Glutathione; Histidine; Hydrogen-Ion Concentration; Light; Methylene Blue; Oxidoreductases; Riboflavin; Sulfhydryl Compounds; Temperature; Tryptophan; Tyrosine | 1963 |
INTESTINAL TRANSPORT OF TRYPTOPHAN AND ITS DERIVATIVES.
Topics: Absorption; Animals; Biological Transport; Choline; Cricetinae; Intestines; Ion Exchange; Lithium; Phenylalanine; Physiology; Potassium; Proteins; Research; Sodium; Sodium, Dietary; Tryptophan; Tyrosine | 1964 |
STUDIES OF PROTEIN AND BOUND COENZYME FLUORESCENCE OF LACTATE DEHYDROGENASES.
Topics: Animals; Cattle; Coenzymes; Fluorescence; Fluorometry; L-Lactate Dehydrogenase; Lactate Dehydrogenases; Muscles; Myocardium; NAD; Poultry; Research; Spectrophotometry; Tryptophan; Tyrosine | 1964 |
A MODIFIED METHOD FOR THE SEPARATION OF BASIC AMINO ACIDS ON THE AUTOMATIC AMINO ACID ANALYZER.
Topics: Amino Acids; Amino Acids, Basic; Aminobutyrates; Ammonia; Arginine; Autoanalysis; Chromatography; Creatine; Creatinine; Hexosamines; Histidine; Lysine; Muscles; Ornithine; Peptides; Phenylalanine; Rabbits; Research; Tryptophan; Tyrosine | 1964 |
THE TYROSINE, TRYPTOPHAN AND PROTEIN CONTENT OF HUMAN PAROTID SALIVA IN ORAL AND SYSTEMIC DISEASE. USE OF ULTRAVIOLET ABSORPTION TECHNICS.
Topics: Albinism; Arthritis, Rheumatoid; Biomedical Research; Dental Caries; Gingival Diseases; Humans; Parotid Gland; Periodontal Diseases; Proteins; Saliva; Salivation; Sialorrhea; Sjogren's Syndrome; Spectrum Analysis; Tryptophan; Tyrosine; Uric Acid | 1964 |
INCORPORATION OF LABELLED COMPOUNDS INTO AFLATOXINS.
Topics: Acetates; Aflatoxins; Antitoxins; Aspergillus; Carbon Isotopes; Cinnamates; Lactones; Metabolism; Methionine; Mevalonic Acid; Pharmacology; Phenylalanine; Proteins; Research; Shikimic Acid; Toxins, Biological; Tryptophan; Tyrosine; Ultraviolet Rays | 1964 |
STUDIES ON THE SPECIFICITY OF TYROSINE-ALPHA-KETOGLUTARATE TRANSAMINASE.
Topics: 5-Hydroxytryptophan; Alanine; Amphetamine; Benzoates; Butyrates; Catecholamines; Dihydroxyphenylalanine; Enzyme Inhibitors; Ephedrine; Indoleacetic Acids; Ketoglutaric Acids; Lactates; Liver; Mandelic Acids; Methyldopa; Normetanephrine; Pharmacology; Phenylacetates; Phenylalanine; Propionates; Rats; Research; Transaminases; Tryptophan; Tyramine; Tyrosine; Tyrosine Transaminase | 1964 |
SOME BIOCHEMICAL LESSONS TO BE LEARNED FROM PHENYLKETONURIA.
Topics: Glutamates; Humans; Indican; Indoleacetic Acids; Indoles; Learning; Metabolism; Phenylacetates; Phenylalanine; Phenylketonurias; Pterins; Serotonin; Tryptophan; Tyrosine | 1964 |
[ATTEMPTS AT PHOTOCHEMICAL AMINE FORMATION].
Topics: Dopamine; Phenethylamines; Phenylalanine; Tryptamines; Tryptophan; Tyramine; Tyrosine; Ultraviolet Rays | 1964 |
ENDOGENOUS RENAL CLEARANCES OF 12 INDIVIDUAL AMINO ACIDS IN FOUR APPARENTLY HEALTHY SUBJECTS AND IN FOUR AMINOACIDURIC PERSONS OF A KINDRED WITH HEREDITARY PANCREATITIS.
Topics: Amino Acids; Arginine; Biomedical Research; Cystine; Genetics, Medical; Glutamates; Healthy Volunteers; Histidine; Isoleucine; Kidney; Leucine; Lysine; Methionine; Pancreatitis; Pancreatitis, Chronic; Phenylalanine; Physiology; Renal Aminoacidurias; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
[COMPARATIVE SPECTROSCOPIC EXAMINATION OF SOME PSEUDOMELANINS FROM N-FREE SUBSTANCES. II].
Topics: Biological Products; Chemical Phenomena; Chemistry; Deuterium; Phenols; Pigments, Biological; Potassium; Pyrogallol; Quinones; Research; Spectrum Analysis; Sulfates; Tryptophan; Tyrosine | 1964 |
A SIMPLE PREPARATION METHOD FOR DIPHOSPHOMIDAZOLE.
Topics: Alanine; Amides; Calcium Phosphates; Chlorides; Chromatography; Cysteine; Cystine; Glycine; Histidine; Imidazoles; Ion Exchange Resins; Methionine; Phosphates; Phosphorus; Research; Serine; Tryptophan; Tyrosine | 1964 |
STIMULATION OF AROMATIC AMINO ACID TRANSPORT BY P-FLUOROPHENYLALANINE IN THE SARCOMA 37 CELL.
Topics: Amino Acids; Animals; Aspartic Acid; Culture Media; Glycine; Lysine; Methionine; p-Fluorophenylalanine; Research; Sarcoma 37; Tissue Culture Techniques; Tryptophan; Tyrosine | 1964 |
AMINO ACID CONSTITUTION OF CHROMOSOMES.
Topics: Amino Acids; Chromosomes; Histocytochemistry; Plants; Research; Tryptophan; Tyrosine | 1964 |
[5-HYDROXYTRYPTOPHAN DOPA DECARBOXYLASE IN NERVOUS AND CARDIAC TISSUES IN THE MOLLUSC HELIX POMATIA. INTERACTION OF SUBSTRATES IN VITRO].
Topics: 5-Hydroxytryptophan; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; Dopa Decarboxylase; Heart; In Vitro Techniques; Methyldopa; Mollusca; Myocardium; Nerve Tissue; Physiology, Comparative; Research; Serotonin; Tryptophan; Tyrosine | 1964 |
GROWTH AND THE AMINO ACID-ACTIVA- TING SYSTEM OF DEVELOPING CHICK LIVER.
Topics: Amino Acids; Animals; Arginine; Chick Embryo; DNA; Glycine; Liver; Metabolism; Methionine; Poultry; Proteins; Research; RNA; Tolnaftate; Tryptophan; Tyrosine | 1964 |
INTERACTIONS OF PURINE WITH PROTEINS AND AMINO ACIDS.
Topics: Alanine; Amino Acids; Animals; Cattle; Chemical Phenomena; Chemistry; Glycine; Histidine; Hot Temperature; Muramidase; Phenylalanine; Proteins; Purines; Research; Ribonucleases; Serum Albumin; Serum Albumin, Bovine; Tryptophan; Tyrosine | 1964 |
UROLITHIASIS IN THE RAT. IV. INFLUENCE OF AMINO ACID SUPPLEMENTS ON THE OCCURRENCE OF CITRATE CALCULI.
Topics: Amino Acids; Calcium; Caseins; Citrates; Citric Acid; Cystine; Dietary Proteins; Glutamates; Isoleucine; Kidney Calculi; Leucine; Lysine; Methionine; Phenylalanine; Proteins; Rats; Research; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
ELECTRON-SPIN-RESONANCE STUDY OF RADIATION-INDUCED RADICALS IN AROMATIC AND ALIPHATIC AMINO ACIDS AND PEPTIDES.
Topics: Amino Acids; Chemistry Techniques, Analytical; Dipeptides; Electron Spin Resonance Spectroscopy; Electrons; Glycine; Peptides; Radiation; Radiation Effects; Research; Tryptophan; Tyrosine | 1964 |
HISTOCHEMICAL STUDIES ON THE GLAND CELLS. 3. ON THE RELATIONSHIP BETWEEN INTRA-CELLULAR SYNTHESIS OF THE PANCREATIC ZYMOGEN GRANULES AND AMINO ACIDS IN THE DIET.
Topics: Amino Acids; Cell Biology; Diet; Dietary Proteins; Enzyme Precursors; Histamine; Histidine; Histocytochemistry; Pancreas; Protein Deficiency; Rats; Research; Secretory Vesicles; Tryptophan; Tyrosine | 1964 |
FURTHER STUDIES OF PLASMA TYROSINE IN PATIENTS WITH ALTERED THYROID FUNCTION.
Topics: Amino Acids; Blood Chemical Analysis; Fasting; Geriatrics; Glutamates; Humans; Hyperthyroidism; Myxedema; Pharmacology; Phenylalanine; Triiodothyronine; Tryptophan; Tyrosine | 1964 |
ELECTRONIC EFFECTS AND L-AMINO-ACID OXIDASE SPECIFICITY.
Topics: Alanine; Amino Acid Oxidoreductases; Amino Acids; L-Amino Acid Oxidase; Leucine; Phenylacetates; Phenylalanine; Research; Snakes; Tryptophan; Tyrosine; Venoms | 1964 |
HISTOCHEMICAL ALKYLATION: A STUDY OF METHYL IODIDE AND ITS EFFECT ON TISSUES.
Topics: Alkylating Agents; Alkylation; Amines; Arginine; Cysteine; Glycols; Histocytochemistry; Hydrocarbons, Iodinated; Iodides; Metabolism; Phosphates; Sulfates; Toxicology; Tryptophan; Tyrosine | 1964 |
FLUORESCENCE OF TYROSINE AND TRYPTOPHAN RESIDUES INCORPORATED INTO POLYPEPTIDE CHAINS.
Topics: Chemical Phenomena; Chemistry, Physical; Fluorescence; Peptides; Polymers; Solvents; Spectrum Analysis; Tryptophan; Tyrosine | 1964 |
EFFECT OF THE PHYSICAL ENVIRONMENT ON EXCITED STATES OF AMINO ACIDS AND PROTEINS.
Topics: Amino Acids; Chemical Phenomena; Chemistry, Physical; Fluorescence; Luminescence; Phenylalanine; Proteins; Ribonucleases; Tryptophan; Tyrosine | 1964 |
ENERGY TRANSFER IN PROTEINS.
Topics: Alcohol Oxidoreductases; Energy Transfer; Luminescence; Proteins; Research; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 1964 |
TYROSINE HYDROXYLASE. THE INITIAL STEP IN NOREPINEPHRINE BIOSYNTHESIS.
Topics: Adrenal Glands; Adrenal Medulla; Brain; Dihydroxyphenylalanine; Dopamine; Folic Acid; Histocytochemistry; Liver; Metabolism; Mixed Function Oxygenases; Myocardium; Norepinephrine; Research; Spleen; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase; Tyrosine Decarboxylase | 1964 |
THE AMINO ACID COMPOSITION OF BOVINE FIBRINOGEN.
Topics: Amides; Amino Acids; Anesthetics, Local; Animals; Autoanalysis; Cattle; Colorimetry; Fibrinogen; Hexoses; Nitrogen; Research; Tryptophan; Tyrosine | 1964 |
STATES OF AMINO ACID RESIDUES IN PROTEINS. IV. BOUND TYROSINE AND TRYPTOPHAN RESIDUES IN PEPSIN AS OBSERVED BY DIFFERENCE SPECTROPHOTOMETRY.
Topics: Amino Acids; Animals; Chemical Phenomena; Chemistry; Chlorides; Hydrogen-Ion Concentration; Hydroxides; Pepsin A; Potassium; Proteins; Research; Spectrophotometry; Swine; Tryptophan; Tyrosine | 1964 |
HAEMOGLOBIN LEPORE TRAIT; AN ANALYSIS OF THE ABNORMAL HAEMOGLOBIN.
Topics: Arginine; Blood Protein Electrophoresis; Chemical Phenomena; Chemistry; Genes; Hemoglobins; Hemoglobins, Abnormal; Histidine; Methionine; Peptides; Tryptophan; Tyrosine | 1964 |
AMINO ACIDS AS PROTECTIVE COMPOUNDS IN ULTRAVIOLET-IRRADIATED HANSENULA WINGEI.
Topics: Alanine; Amino Acids; Arginine; Cysteine; Cystine; Ethionine; Glutamates; Histidine; Isoleucine; Leucine; Lysine; Methionine; Pharmacology; Phenylalanine; Pichia; Proline; Radiation-Protective Agents; Research; Serine; Threonine; Tryptophan; Tyrosine; Ultraviolet Rays; Valine; Yeasts | 1964 |
ON THE INFLUENCE OF THE ADMINISTRATION OF AMINO ACIDS UPON THE DISTRIBUTION OF PORPHYRIN BODIES IN TISSUES. X. THE INFLUENCE OF THE ADMINISTRATION OF AROMATIC AMINO ACIDS.
Topics: Amino Acids; Amino Acids, Aromatic; Animals; Dihydroxyphenylalanine; Guinea Pigs; Histocytochemistry; Pharmacology; Phenylalanine; Porphyrins; Research; Tryptophan; Tyrosine | 1964 |
HYDROXYLATION OF TRYPTOPHAN AND PHENYLALANINE IN NEOPLASTIC MAST CELLS OF THE MOUSE.
Topics: Animals; Hydroxylation; Indoles; Mast Cells; Metabolism; Mice; Neoplasms; Neoplasms, Experimental; Phenylalanine; Research; Tryptophan; Tyrosine | 1964 |
DEPRESSION OF ALANINE TRANSAMINASE ACTIVITY IN THE LIVER OF RATS BEARING WALKER CARCINOMA 256.
Topics: Alanine Transaminase; Animals; Carcinoma; Carcinoma 256, Walker; Caseins; Hydrocortisone; Hydrolases; Liver; Metabolism; Pharmacology; Rats; Research; Transaminases; Tryptophan; Tyrosine | 1964 |
POLYMERIZATION REACTIONS CATALYZED BY INTRACELLULAR PROTEINASES. IV. FACTORS INFLUENCING THE POLYMERIZATION OF DIPEPTIDE AMIDES BY CATHEPSIN C.
Topics: Amides; Cathepsin C; Cathepsins; Chemical Phenomena; Chemistry; Dipeptides; Endopeptidases; Glycine; Hydrogen-Ion Concentration; Peptide Hydrolases; Phenylalanine; Polymerization; Research; Tryptophan; Tyrosine | 1964 |
STRESS-ACTIVATED INHIBITION OF THE CORTISOL EFFECT ON HEPATIC TRANSAMINASE.
Topics: Adrenocortical Hyperfunction; Enzyme Repression; Hydrocortisone; Ketoglutaric Acids; Liver; Mixed Function Oxygenases; Peroxidases; Rats; Research; Stress, Physiological; Transaminases; Tryptophan; Tyrosine | 1964 |
TESTOSTERONE-INDUCED CHANGES IN SALIVARY GLAND HISTOCHEMISTRY IN THE FEMALE GOLDEN HAMSTER.
Topics: Animals; Coloring Agents; Cricetinae; Female; Glycosaminoglycans; Histocytochemistry; Mesocricetus; Pharmacology; Research; RNA; Salivary Glands; Sex; Staining and Labeling; Testosterone; Tryptophan; Tyrosine | 1965 |
CONFORMATIONAL STUDIES OF WHEAT GLUTEN, GLUTENIN, AND GLIADIN IN UREA SOLUTIONS AT VARIOUS PH'S.
Topics: Chemical Phenomena; Chemistry, Physical; Gliadin; Glutens; Hydrogen-Ion Concentration; Plant Proteins; Research; Solutions; Spectrophotometry; Triticum; Tryptophan; Tyrosine; Ultracentrifugation; Urea; Viscosity | 1964 |
THE INTERACTION OF MERCURIC ACETATE WITH INDOLES, TRYPTOPHAN, AND PROTEINS.
Topics: Acetates; Chemical Phenomena; Chemistry; Indoles; Mercury; Oxidation-Reduction; Proteins; Research; Tryptophan; Tyrosine | 1964 |
TRYPTOPHAN MODIFICATION IN POLYPEPTIDE CHAINS.
Topics: Chemical Phenomena; Chemistry; Cystine; Kynurenine; Methionine; Oxidation-Reduction; Ozone; Peptides; Research; Resorcinols; Tryptophan; Tyrosine | 1964 |
MUTATIONAL ALTERATION OF PERMEABILITY IN NEUROSPORA: EFFECTS ON GROWTH AND THE UPTAKE OF CERTAIN AMINO ACIDS AND RELATED COMPOUNDS.
Topics: Amino Acids; Culture Media; Genetics; Leucine; Mutation; Neurospora; Permeability; Phenylalanine; Research; Tryptophan; Tyrosine | 1964 |
EFFECT OF HISTONES ON THE INDUCTION OF TWO LIVER ENZYMES BY HYDROCORTISONE.
Topics: Adrenalectomy; Animals; Histones; Hydrocortisone; Liver; Mice; Oxygenases; Pharmacology; Research; Thymus Gland; Transaminases; Tryptophan; Tyrosine | 1964 |
UTILIZATION OF AROMATIC AMINO ACIDS BY HYDROGENOMONAS FACILIS.
Topics: 4-Aminobenzoic Acid; Amino Acids; Amino Acids, Aromatic; Benzoates; Carbon Isotopes; Comamonadaceae; Glucose; Hydroxybenzoates; Metabolism; Oxidation-Reduction; Phenylalanine; Quinic Acid; Research; Tryptophan; Tyrosine | 1964 |
AUTORADIOGRAPHIC EVIDENCE OF A NUCLEAR HISTONE SYNTHESIS DURING MOUSE SPERMIOGENESIS IN THE ABSENCE OF DETECTABLE QUANTITIES OF NUCLEAR RIBONUCLEIC ACID.
Topics: Amino Acids; Animals; Arginine; Autoradiography; Cell Nucleus; Histidine; Histones; Leucine; Lysine; Male; Mice; Phenylalanine; Proteins; Research; RNA; Spermatogenesis; Spermatozoa; Tritium; Tryptophan; Tyrosine | 1964 |
CHEMICAL ANALYSIS OF PROTEINS LOW IN AROMATIC AMINO-ACIDS.
Topics: Amino Acids, Aromatic; Animals; Blood Proteins; Cattle; Centrifugation; Chemical Precipitation; Fibrinogen; Galactose; Indicators and Reagents; Proteins; Research; Serum Albumin; Serum Albumin, Bovine; Spectrum Analysis; Tryptophan; Tyrosine | 1964 |
EFFECTS OF PROLONGED RESIDENCE IN THE ANTARCTICA UPON SOME ORGANIC CONSTITUENTS OF HUMAN PAROTID SALIVA.
Topics: Acclimatization; Antarctic Regions; Chemical Phenomena; Chemistry; Cold Climate; Humans; Parotid Gland; Physiology; Proteins; Saliva; Salivation; Seasons; Sialorrhea; Tryptophan; Tyrosine; Uric Acid | 1964 |
INTERALLELIC COMPLEMENTATION.
Topics: Amino Acids; Arginine; Chromosome Mapping; Chromosomes; Enzymes; Histidine; Mutation; Neurospora; Research; Temperature; Tryptophan; Tyrosine | 1964 |
MODIFICATION OF HISTIDINE RESIDUES LEADING TO THE APPEARANCE OF VISIBLE FLUORESCENCE.
Topics: Fluorescence; Histidine; Hydrogen-Ion Concentration; Kinetics; Oxidative Phosphorylation; Peptides; Pyrrolidinones; Research; Spectrum Analysis; Tryptophan; Tyrosine; Valine | 1964 |
[CHANGES IN THE TRYPTOPHAN METABOLISM IN PHENYLKETONURIA].
Topics: Amino Acids; Blood; Body Fluids; Child; Humans; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine; Urine | 1964 |
HISTOCHEMICAL DEMONSTRATION OF SOME AMINO ACIDS IN THE TOOTH GERM OF THE RAT'S UPPER INCISORS.
Topics: Amelogenesis; Amino Acids; Cysteine; Cystine; Dental Enamel Proteins; Histocytochemistry; Incisor; Indoles; Mouth Mucosa; Phenols; Rats; Research; Sulfhydryl Compounds; Tooth Germ; Tryptophan; Tyrosine | 1964 |
ACID DIFFERENCE SPECTRA OF HUMAN CARBONIC ANHYDRASES.
Topics: Carbonic Anhydrases; Humans; Hydrogen-Ion Concentration; Spectrophotometry; Tryptophan; Tyrosine | 1965 |
STUDY OF THE TOXIN OF CLOSTRIDIUM BOTULINUM. VII. RELATION OF TRYPTOPHAN TO THE BIOLOGICAL ACTIVITY OF THE TOXIN.
Topics: Antitoxins; Chemical Phenomena; Chemistry; Clostridium botulinum; Fluorescence; Histidine; Immunodiffusion; Light; Methionine; Methylene Blue; Rabbits; Research; Toxicology; Toxins, Biological; Tryptophan; Tyrosine | 1964 |
THE SEPARATION AND PARTIAL PURIFICATION OF AMINOACYL-RNA SYNTHETASES FROM ESCHERICHIA COLI.
Topics: Amino Acids; Chromatography; Cysteine; Diphosphates; Escherichia coli; Isoleucine; Leucine; Ligases; Methionine; Phosphorus Isotopes; Research; RNA; RNA-Dependent RNA Polymerase; RNA, Bacterial; Tryptophan; Tyrosine; Valine | 1964 |
A NEW REAGENT FOR NITROGUANIDINATION OF PROTEINS.
Topics: Amino Acids; Animals; Cattle; Chemistry Techniques, Analytical; Cysteine; Electrophoresis; Guanidines; Histidine; Indicators and Reagents; Indoles; Molecular Weight; Phenols; Proteins; Pyrazoles; Research; Serum Albumin; Serum Albumin, Bovine; Tryptophan; Tyrosine; Ultracentrifugation | 1964 |
MICROASSAY OF BIOCHEMICAL STRUCTURAL COMPONENTS IN NERVOUS TISSUES. II. METHODS FOR CEREBROSIDES, PROTEOLIPID PROTEINS AND RESIDUE PROTEINS.
Topics: Brain Chemistry; Cerebrosides; Hexoses; Lipids; Microchemistry; Proteins; Proteolipids; Research; Spectrophotometry; Tryptophan; Tyrosine | 1965 |
INTESTINAL TRANSPORT OF AMINO ACIDS AND GLUCOSE IN FLOUNDER FISH.
Topics: Amino Acids; Animals; Biological Transport; Carbon Isotopes; Dihydroxyphenylalanine; Fishes; Flounder; Glucose; Indoles; Intestinal Absorption; Intestines; Physiology, Comparative; Radiometry; Research; Tryptamines; Tryptophan; Tyrosine | 1965 |
INCREASED SELECTIVITY OF PHOTOOXIDATION FOR AMINO ACID RESIDUES.
Topics: Amino Acids; Histidine; Hydrogen-Ion Concentration; Light; Methionine; Muramidase; Oxidation-Reduction; Polarography; Research; Ribonucleases; Tryptophan; Tyrosine | 1965 |
ON THE MECHANISM OF THE BRAIN SEROTONIN DEPLETION IN EXPERIMENTAL PHENYLKETONURIA.
Topics: 5-Hydroxytryptophan; Adrenal Glands; Ascorbic Acid; Blood; Brain; Brain Chemistry; Carboxy-Lyases; Cholinesterases; Corticosterone; Dopamine; Glutamates; Liver; Metabolism; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Phenylketonurias; Rats; Research; Serotonin; Transaminases; Tryptophan; Tyrosine | 1965 |
SEPARATION AND PURIFICATION OF AROMATIC AMINO ACID TRANSAMINASES FROM RAT BRAIN.
Topics: Amino Acids; Brain; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography; Chromatography, Gel; Phenylalanine; Rats; Research; Spectrophotometry; Transaminases; Tryptophan; Tyrosine | 1965 |
THE FATE OF SEROTONIN IN THE CELL OF THE MUSSEL MYTILUS EDULIS.
Topics: Animals; Chromatography; Cyanides; Cytochromes; Enzyme Inhibitors; Enzymes; Epinephrine; Fluorescence; Fluorometry; Metabolism; Mollusca; Mytilus edulis; Oxidoreductases; Pharmacology; Phenylalanine; Physiology, Comparative; Pigments, Biological; Research; Serotonin; Spectrum Analysis; Tryptophan; Tyrosine | 1965 |
REQUIREMENT FOR P-FLUOROPHENYLALANINE ACTIVATION IN CONTROL OF RIBONUCLEIC ACID SYNTHESIS.
Topics: Carbon Isotopes; Escherichia coli; Feedback; Fluorides; Fluorine; Ligases; Metabolism; Mutation; p-Fluorophenylalanine; Pharmacology; Phenylalanine; Radiometry; Research; RNA; RNA, Bacterial; Shikimic Acid; Tryptophan; Tyrosine | 1965 |
FALSE FEEDBACK INHIBITION OF AROMATIC AMINO ACID BIOSYNTHESIS BY BETA-2-THIENYLALANINE.
Topics: Alanine; Amino Acids; Amino Acids, Aromatic; Escherichia coli; Feedback; Ligases; Metabolism; Mutation; Pharmacology; Phenylalanine; Proteins; Research; RNA; Shikimic Acid; Thiophenes; Tryptophan; Tyrosine | 1965 |
THE PROTEIN COMPONENTS OF ELASTOIDIN.
Topics: Animals; Carbohydrates; Chemistry Techniques, Analytical; Chromatography; Collagen; Hydroxyproline; Methionine; Nitrogen; Proline; Proteins; Research; Sharks; Spectrophotometry; Tryptophan; Tyrosine | 1965 |
RAT LIVER ENZYME DOES NOT ACTIVATE ACETYLAMINO ACIDS.
Topics: Acetates; Adenosine Triphosphate; Alanine; Amino Acids; Arginine; Diphosphates; Glutamates; Glycine; Histidine; Isoleucine; Leucine; Liver; Lysine; Methionine; Phenylalanine; Proline; Rats; Research; RNA; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1965 |
EFFECT OF AZASERINE ON THE INCORPORATION OF 14-C-LABELED PURINES AND PYRIMIDINES INTO ACID-SOLUBLE AND NUCLEIC ACID FRACTIONS OF TRYPANOSOMA EQUIPERDUM.
Topics: Adenine; Amino Acids; Azaserine; Cytosine; Cytosine Nucleotides; DNA; Glutamine; Guanine; Hypoxanthines; Leucine; Metabolism; Nucleic Acids; Orotic Acid; Pharmacology; Purines; Pyrimidines; Research; RNA; Thymine; Trypanosoma; Tryptophan; Tyrosine; Uracil; Uracil Nucleotides | 1965 |
EFFECT OF AMINO ACIDS ON GROWTH OF SPHAEROTILUS DISCOPHORUS.
Topics: Alanine; Amino Acids; Arginine; Aspartic Acid; Bacteriological Techniques; Caseins; Cystine; Glutamates; Glycine; Histidine; Isoleucine; Leucine; Lysine; Methionine; Pharmacology; Phenylalanine; Proline; Research; Serine; Sphaerotilus; Threonine; Tryptophan; Tyrosine; Valine | 1965 |
ALPHA-KETO DERIVATIVES OF AMINO ACIDS AS INHIBITORS OF TRYPSINOGEN ACTIVATION.
Topics: Amino Acids; Arginine; Butyrates; Catalysis; Endopeptidases; Enzyme Inhibitors; Glutamates; Guanidines; Indoleacetic Acids; Indoles; Keto Acids; Ketoglutaric Acids; Leucine; Phenylacetates; Phenylalanine; Phenylpyruvic Acids; Research; Trypsinogen; Tryptophan; Tyrosine | 1965 |
ON THE MECHANISM OF THE PHOTO-OXIDATION OF AMINO ACIDS SENSITIZED BY METHYLENE BLUE.
Topics: Amino Acids; Histidine; Hydrogen-Ion Concentration; Light; Manometry; Methionine; Methylene Blue; Oxidation-Reduction; Research; Tryptophan; Tyrosine | 1965 |
RENAL MECHANISM FOR EXCRETION OF PORPHYRIN PRECURSORS IN PATIENTS WITH ACUTE INTERMITTENT PORPHYRIA AND CHRONIC LEAD POISONING.
Topics: Amino Acids; Biomedical Research; Blood; Creatine; Creatinine; Fluids and Secretions; Humans; Kidney; Lead Poisoning; Levulinic Acids; Porphyria, Acute Intermittent; Porphyrias; Porphyrins; Pyrroles; Tryptophan; Tyrosine; Urine | 1965 |
THE ROLE OF METHIONINE IN ALPHA-CHYMOTRYPSIN-CATALYSED REACTIONS.
Topics: Acylation; Amides; Amino Acids; Biochemical Phenomena; Biochemistry; Catalysis; Chymotrypsin; Imidazoles; Kinetics; Methionine; Nitrophenols; Periodic Acid; Research; Spectrophotometry; Tryptophan; Tyrosine; Ultracentrifugation; Valine | 1965 |
DETERMINATION OF BACTERIAL DECARBOXYLASES OF SOME AMINO ACIDS BY MEANS OF HIGH VOLTAGE PAPER ELECTROPHORESIS.
Topics: Achromobacter; Amino Acids; Arginine; Aspartic Acid; Bacteria; Carboxy-Lyases; Electrophoresis; Electrophoresis, Paper; Enterobacteriaceae; Escherichia coli; Glutamates; Histidine; Lysine; Ornithine; Phenylalanine; Proteus; Pseudomonas; Serine; Tryptophan; Tyrosine | 1965 |
THE PERIODATE OXIDATION OF AMINO ACIDS WITH REFERENCE TO STUDIES ON GLYCOPROTEINS.
Topics: Amino Acids; Cysteine; Cystine; Glycoproteins; Histidine; Hydrogen-Ion Concentration; Hydroxyproline; Indoles; Isoleucine; Leucine; Methionine; Oxidation-Reduction; Periodic Acid; Phenylalanine; Proline; Pyrroles; Research; Serine; Threonine; Tryptophan; Tyrosine | 1965 |
The specific amino acid requirements of a human carcinoma cell (Stain HeLa) in tissue culture.
Topics: Amino Acids; Animals; Arginine; Coloring Agents; Female; HeLa Cells; Histidine; Humans; Isoleucine; Leucine; Lysine; Methionine; Mice; Neoplasms, Experimental; Phenylalanine; Threonine; Tissue Culture Techniques; Tryptophan; Tyrosine; Uterine Neoplasms; Uterus; Valine | 1955 |
[Activity of ACTH in the intermediate metabolism of tryptophan and tyrosine in normal and pathological conditions (with special reference to collagen diseases)].
Topics: Adrenocorticotropic Hormone; Biochemical Phenomena; Collagen; Collagen Diseases; Humans; Metabolic Diseases; Tryptophan; Tyrosine | 1959 |
Microphotometric analysis of the cytochemical Millon reaction.
Topics: Proteins; Tryptophan; Tyrosine | 1960 |
[Quantitative variations of tryptophan, tyrosine and histidine in the composition of proteins irradiated with nuclear radiations and with light rays].
Topics: Histidine; Humans; Light; Proteins; Radiation; Radiation Effects; Tryptophan; Tyrosine | 1962 |
[Hereditary disorders of the metabolism of phenylalanine, tyrosine and tryptophan].
Topics: Biochemical Phenomena; Humans; Metabolic Diseases; Phenylalanine; Tryptophan; Tyrosine | 1961 |
C-terminal functional unit of Rapana thomasiana (marine snail, gastropod) hemocyanin isoform RtH1: isolation and characterization.
Topics: Acrylamide; Amino Acids; Animals; Hemocyanins; Hydrogen-Ion Concentration; Peptide Fragments; Protein Conformation; Protein Isoforms; Protein Subunits; Seawater; Snails; Temperature; Tryptophan; Tyrosine | 2003 |
Distal side tryptophan, tyrosine and methionine in catalase-peroxidases are covalently linked in solution.
Topics: Amino Acid Sequence; Amino Acid Substitution; Bacterial Proteins; Base Sequence; Binding Sites; Cyanobacteria; DNA, Bacterial; Methionine; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Peptide Fragments; Peroxidases; Solutions; Spectrometry, Mass, Electrospray Ionization; Tryptophan; Tyrosine | 2003 |
Hypothalamic digoxin, hemispheric chemical dominance, and peptic ulcer disease.
Topics: Adenosine Triphosphatases; Adult; Brain Chemistry; Cardenolides; Case-Control Studies; Cholesterol; Dichotic Listening Tests; Digoxin; Dolichols; Dominance, Cerebral; Erythrocytes; Glycoconjugates; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Lysosomes; Magnesium; Peptic Ulcer; Phospholipids; Saponins; Tryptophan; Tyrosine; Ubiquinone | 2003 |
The role of tyrosine residues in the RNA N-glycosidase activity of cinnamomin A-chain.
Topics: Adenine; Algal Proteins; Binding Sites; Cell-Free System; Cinnamomum; Enzyme Activation; Imidazoles; N-Glycosyl Hydrolases; Protein Subunits; Proteins; Recombinant Proteins; Ribosome Inactivating Proteins; Ribosome Inactivating Proteins, Type 2; RNA, Ribosomal; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2003 |
A hypothalamic digoxin-mediated model for autism.
Topics: Adolescent; Autistic Disorder; Child; Digoxin; Dolichols; Female; Humans; Hypothalamus; Magnesium; Male; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Hypothalamic-mediated model for systemic lupus erythematosis: relation to hemispheric chemical dominance.
Topics: Dichotic Listening Tests; Digoxin; Dolichols; Dominance, Cerebral; Erythrocyte Membrane; Female; Free Radicals; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Lupus Vasculitis, Central Nervous System; Male; Sodium-Potassium-Exchanging ATPase; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Isoprenoid pathway-related membrane dysfunction in neuropsychiatric disorders.
Topics: Adult; Cholesterol; Digoxin; Dolichols; Erythrocyte Membrane; Female; Humans; Hydroxymethylglutaryl CoA Reductases; Male; Membrane Proteins; Mental Disorders; Middle Aged; Models, Biological; Nervous System Diseases; Neurons; Phospholipids; Sodium-Potassium-Exchanging ATPase; Terpenes; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Hypothalamic digoxin, hemispheric chemical dominance, and mesenteric artery occlusion.
Topics: Aged; Case-Control Studies; Chromatography, High Pressure Liquid; Digoxin; Dolichols; Dominance, Cerebral; Erythrocyte Membrane; Female; Free Radicals; Glycoconjugates; Humans; Hydroxymethylglutaryl CoA Reductases; Hypothalamus; Magnesium; Male; Mesenteric Arteries; Mesenteric Vascular Occlusion; Middle Aged; Nicotine; Sodium-Potassium-Exchanging ATPase; Strychnine; Tryptophan; Tyrosine; Ubiquinone | 2003 |
Analysis of tryptophan and tyrosine in cerebrospinal fluid by capillary electrophoresis and "ball lens" UV-pulsed laser-induced fluorescence detection.
Topics: Buffers; Electrophoresis, Capillary; Humans; Hydrogen-Ion Concentration; Lasers; Reference Standards; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultraviolet Rays | 2003 |
Identification of nicotinic acetylcholine receptor amino acids photolabeled by the volatile anesthetic halothane.
Topics: Amino Acid Sequence; Anesthetics, Inhalation; Animals; Binding Sites; Binding, Competitive; Carbachol; Carbon Radioisotopes; Halothane; Isoflurane; Models, Molecular; Molecular Sequence Data; Peptide Fragments; Photoaffinity Labels; Protein Subunits; Receptors, Nicotinic; Sequence Analysis, Protein; Sodium-Potassium-Exchanging ATPase; Torpedo; Tryptophan; Tubocurarine; Tyrosine | 2003 |
A new method for rapidly and simultaneously decreasing serotonin and catecholamine synthesis in humans.
Topics: Adult; Amino Acids; Brain; Catecholamines; Chromatography, High Pressure Liquid; Diagnostic and Statistical Manual of Mental Disorders; Drug Combinations; Female; Fluorometry; Humans; Male; Mood Disorders; Phenylalanine; Pilot Projects; Serotonin; Time Factors; Tryptophan; Tyrosine | 2003 |
Substitutions at tyrosine 66 of Escherichia coli uracil DNA glycosylase lead to characterization of an efficient enzyme that is recalcitrant to product inhibition.
Topics: Amino Acid Substitution; Binding Sites; Catalysis; DNA; DNA Glycosylases; Escherichia coli; Fluorescence; Kinetics; Models, Molecular; Mutation; Protein Conformation; Tryptophan; Tyrosine; Uracil; Uracil-DNA Glycosidase; Urea; Viral Proteins | 2003 |
Evidence for radical formation at Tyr-353 in Mycobacterium tuberculosis catalase-peroxidase (KatG).
Topics: Amino Acid Sequence; Bacterial Proteins; Catalase; Chromatography, High Pressure Liquid; Electron Spin Resonance Spectroscopy; Free Radicals; Mutagenesis, Site-Directed; Mycobacterium tuberculosis; Nitric Oxide; Oxidoreductases; Peroxides; Structure-Activity Relationship; Tryptophan; Tyrosine | 2004 |
Kinetics of gas-phase hydrogen/deuterium exchange and gas-phase structure of protonated phenylalanine, proline, tyrosine and tryptophan.
Topics: Amino Acids; Computer Simulation; Cyclotrons; Deuterium; Deuterium Exchange Measurement; Gases; Hydrogen; Hydrogen Bonding; Kinetics; Models, Molecular; Phase Transition; Phenylalanine; Proline; Protein Conformation; Protons; Spectrometry, Mass, Electrospray Ionization; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Spectroscopy, Fourier Transform Infrared; Tryptophan; Tyrosine | 2003 |
Hypochlorite action on plasma fibronectin promotes its extended conformation in complexes with antibodies.
Topics: Acrylamide; Antibodies; Antigen-Antibody Complex; Chlorine; Enzyme-Linked Immunosorbent Assay; Fibronectins; Fluorescence; Humans; Hypochlorous Acid; Luminescent Measurements; Tryptophan; Tyrosine | 2003 |
Biophysical analyses of the transthyretin variants, Tyr114His and Tyr116Ser, associated with familial amyloidotic polyneuropathy.
Topics: Amino Acid Substitution; Amyloid; Amyloid Neuropathies, Familial; Dimerization; Electrophoresis, Polyacrylamide Gel; Genetic Variation; Histidine; Humans; Hydrogen-Ion Concentration; Prealbumin; Protein Isoforms; Protein Structure, Quaternary; Serine; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Urea | 2003 |
Characterization of a proteinase inhibitor from Cajanus cajan (L.).
Topics: Animals; Cajanus; Cattle; Chromatography, DEAE-Cellulose; Chymotrypsin; Circular Dichroism; Fluorescence; Hydrogen-Ion Concentration; Kinetics; Molecular Weight; Protease Inhibitors; Protein Binding; Sequence Analysis, Protein; Sulfhydryl Compounds; Temperature; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine | 2003 |
Folding of Aplysia limacina apomyoglobin involves an intermediate in common with other evolutionarily distant globins.
Topics: Amino Acid Substitution; Animals; Aplysia; Apoproteins; Evolution, Molecular; Globins; Heme; Mutagenesis, Site-Directed; Myoglobin; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine; Urea; Whales | 2004 |
Strategies and methods of cross-linking of RNA polymerase active center.
Topics: Binding Sites; Biochemistry; Catalysis; Cross-Linking Reagents; Crystallography, X-Ray; Cyanogen Bromide; Cysteine; DNA-Directed RNA Polymerases; Hydroxylamines; Models, Chemical; Models, Genetic; Protein Transport; Time Factors; Tryptophan; Tyrosine | 2003 |
Proteolysis on Reggianito Argentino cheeses manufactured with natural whey cultures and selected strains of Lactobacillus helveticus.
Topics: Amino Acids; Argentina; Cheese; Chromatography, High Pressure Liquid; Food Technology; Lactobacillus; Milk Proteins; Peptide Hydrolases; Phenylalanine; Time Factors; Tryptophan; Tyrosine; Whey Proteins | 2003 |
The use of optical parametric oscillator for harmonic generation and two-photon UV fluorescence microscopy.
Topics: Dentin; Glycine; Humans; Microscopy, Fluorescence; Photons; Powders; Tryptophan; Tyrosine | 2004 |
[Methionine, cystine, tryptophan, tyrosine, histidine and accompanying non-protein substances in dry protein of the flesh of fresh-water fish].
Topics: Amino Acids; Cystine; Fishes; Fresh Water; Histidine; Methionine; Proteins; Tryptophan; Tyrosine | 1950 |
[Metabolism of tyrosine and tryptophan in Bombyx mori L].
Topics: Animals; Bombyx; Tryptophan; Tyrosine | 1950 |
Phe393 mutants of cytochrome P450 BM3 with modified heme redox potentials have altered heme vinyl and propionate conformations.
Topics: Amino Acid Substitution; Bacillus megaterium; Bacterial Proteins; Cytochrome P-450 Enzyme System; Ferric Compounds; Ferrous Compounds; Heme; Iron-Sulfur Proteins; Mixed Function Oxygenases; NADPH-Ferrihemoprotein Reductase; Oxidation-Reduction; Phenylalanine; Propionates; Protein Conformation; Protein Structure, Tertiary; Spectrum Analysis, Raman; Substrate Specificity; Tryptophan; Tyrosine; Vinyl Compounds | 2004 |
Effect of beta-particles on the retinal chromophore in bacteriorhodopsin of Halobacterium salinarium.
Topics: Bacteriorhodopsins; Beta Particles; Biotechnology; Dose-Response Relationship, Radiation; Halobacterium salinarum; Mathematics; Photochemistry; Proton Pumps; Purple Membrane; Radiation Monitoring; Retinaldehyde; Schiff Bases; Tryptophan; Tyrosine | 2004 |
Nitrotyrosine, dityrosine, and nitrotryptophan formation from metmyoglobin, hydrogen peroxide, and nitrite.
Topics: Hydrogen Peroxide; Methemoglobin; Metmyoglobin; Myoglobin; Nitrites; Peroxidase; Peroxynitrous Acid; Tryptophan; Tyrosine | 2004 |
Familial hypothalamic digoxin deficiency syndrome.
Topics: Body Mass Index; Brain Chemistry; Depressive Disorder, Major; Digoxin; Dolichols; Dominance, Cerebral; Erythrocytes; Family Health; Female; Glycosaminoglycans; Humans; Hydroxymethylglutaryl CoA Reductases; Hypertension; Hypothalamic Diseases; Male; Obsessive-Compulsive Disorder; Osteoporosis; Respiration Disorders; Sexual Dysfunction, Physiological; Sodium-Potassium-Exchanging ATPase; Tics; Tryptophan; Tyrosine | 2004 |
Contributions of amino acid side chains to the kinetics and thermodynamics of the bivalent binding of protein L to Ig kappa light chain.
Topics: Alanine; Amino Acid Substitution; Bacterial Proteins; Binding Sites; Chromatography, Gel; Computational Biology; Computer Simulation; Dimerization; Disulfides; DNA-Binding Proteins; Humans; Immunoglobulin kappa-Chains; Immunoglobulin Variable Region; Kinetics; Mutagenesis, Site-Directed; Protein Binding; Radioimmunoassay; Spectrometry, Fluorescence; Surface Plasmon Resonance; Thermodynamics; Time Factors; Tryptophan; Tyrosine | 2004 |
Tissue transglutaminase acylation: Proposed role of conserved active site Tyr and Trp residues revealed by molecular modeling of peptide substrate binding.
Topics: Acylation; Animals; Binding Sites; Computational Biology; Fishes; Kinetics; Models, Molecular; Peptides; Transglutaminases; Tryptophan; Tyrosine | 2004 |
Heme as an optical probe of a conformational transition of ovine recPrP.
Topics: Animals; Carbon Monoxide; Fluorescent Dyes; Heme; Peptides; Prions; Protein Binding; Protein Structure, Tertiary; Recombinant Proteins; Sheep; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 2004 |
Interference of some tryptophan metabolites in the formation of melanin in vitro.
Topics: 3-Hydroxyanthranilic Acid; Agaricales; Catalysis; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; In Vitro Techniques; Kynurenine; Magnetic Resonance Spectroscopy; Melanins; Models, Chemical; Monophenol Monooxygenase; Oxygen; Pigmentation; Spectrophotometry; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2004 |
Dipolar assisted rotational resonance NMR of tryptophan and tyrosine in rhodopsin.
Topics: Animals; Carbon; Cattle; Cell Line; Crystallography, X-Ray; Glycine; Humans; Magnetic Resonance Spectroscopy; Models, Chemical; Protein Binding; Protein Conformation; Protons; Retina; Rhodopsin; Time Factors; Tryptophan; Tyrosine | 2004 |
Elimination of a misfolded folding intermediate by a single point mutation.
Topics: Allergens; Amino Acid Sequence; Amino Acid Substitution; Antigens, Plant; Hydrophobic and Hydrophilic Interactions; Kinetics; Models, Chemical; Molecular Sequence Data; Plant Proteins; Point Mutation; Protein Denaturation; Protein Folding; Signal Transduction; Spectrometry, Fluorescence; Structural Homology, Protein; Thermodynamics; Tryptophan; Tyrosine; Urea | 2004 |
Aromatic amino acid aminotransferase activity and indole-3-acetic acid production by associative nitrogen-fixing bacteria.
Topics: Azospirillum; Electrophoresis, Polyacrylamide Gel; Enzyme Stability; Gluconacetobacter; Histidine; Indoleacetic Acids; Molecular Weight; Nitrogen Fixation; Phenylalanine; Plant Growth Regulators; Pseudomonas stutzeri; Substrate Specificity; Transaminases; Tryptophan; Tyrosine | 2004 |
Selectivity control in the separation of aromatic amino acid enantiomers with sulphated beta-cyclodextrin.
Topics: Amino Acids, Aromatic; beta-Cyclodextrins; Cyclodextrins; Electrophoresis, Capillary; Indicators and Reagents; Neural Networks, Computer; Phenylalanine; Spectrophotometry, Ultraviolet; Stereoisomerism; Temperature; Tryptophan; Tyrosine | 2004 |
DNA damage recognition of mutated forms of UvrB proteins in nucleotide excision repair.
Topics: Adenosine Triphosphatases; Amino Acid Substitution; Base Sequence; Cross-Linking Reagents; DNA Adducts; DNA Damage; DNA Glycosylases; DNA Helicases; DNA Repair; DNA-Binding Proteins; Endodeoxyribonucleases; Escherichia coli Proteins; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Protein Binding; Spectrometry, Fluorescence; Structural Homology, Protein; Substrate Specificity; Tryptophan; Tyrosine; Uracil-DNA Glycosidase | 2004 |
Autoreduction of ferryl myoglobin: discrimination among the three tyrosine and two tryptophan residues as electron donors.
Topics: Animals; Cross-Linking Reagents; Dimerization; Electron Transport; Hydrogen Peroxide; Metmyoglobin; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Recombinant Proteins; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Whales | 2004 |
Conformational change of the dimeric DsbC molecule induced by GdnHCl. A study by intrinsic fluorescence.
Topics: Dimerization; Escherichia coli Proteins; Guanidine; Kinetics; Models, Chemical; Models, Molecular; Protein Conformation; Protein Denaturation; Protein Disulfide-Isomerases; Protein Folding; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2004 |
Dissecting the catalytic mechanism of betaine-homocysteine S-methyltransferase by use of intrinsic tryptophan fluorescence and site-directed mutagenesis.
Topics: Betaine; Betaine-Homocysteine S-Methyltransferase; Binding Sites; Catalysis; Enzyme Inhibitors; Glutamic Acid; Homocysteine; Humans; Kinetics; Ligands; Methionine; Methyltransferases; Mutagenesis, Site-Directed; Protein Binding; Sarcosine; Spectrometry, Fluorescence; Substrate Specificity; Tryptophan; Tyrosine | 2004 |
Domain structures and roles in bacteriophage HK97 capsid assembly and maturation.
Topics: Asparagine; Aspartic Acid; Capsid; Coliphages; Crystallization; Cysteine; Glutamic Acid; Lysine; Protein Precursors; Protein Structure, Secondary; Protein Structure, Tertiary; Protein Subunits; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Virus Assembly | 2004 |
Direct probing of copper active site and free radical formed during bicarbonate-dependent peroxidase activity of bovine and human copper, zinc-superoxide dismutases. Low-temperature electron paramagnetic resonance and electron nuclear double resonance stu
Topics: Animals; Bicarbonates; Binding Sites; Cattle; Copper; Electron Spin Resonance Spectroscopy; Free Radicals; Histidine; Humans; Hydrogen Peroxide; Magnetics; Models, Chemical; Models, Molecular; Models, Statistical; Mutation; Oxygen; Phenylalanine; Protons; Spectrophotometry; Superoxide Dismutase; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2004 |
Plasma precursors of brain catecholaminergic and serotonergic neurotransmitters in rehabilitation patients with ischemic stroke.
Topics: Aged; Brain Ischemia; Case-Control Studies; Humans; Male; Nutritional Status; Stroke; Stroke Rehabilitation; Tryptophan; Tyrosine | 2004 |
Probing the free radicals formed in the metmyoglobin-hydrogen peroxide reaction.
Topics: Animals; Electron Spin Resonance Spectroscopy; Free Radicals; Humans; Hydrogen Peroxide; Kinetics; Metmyoglobin; Molecular Probes; Tryptophan; Tyrosine | 2004 |
[Determination of tyrosine- and tryptophan-containing peptides in plasma by absorption in UV spectral region].
Topics: Humans; Hydrogen-Ion Concentration; Oligopeptides; Postoperative Period; Spectrophotometry, Ultraviolet; Thyroid Neoplasms; Thyroxine; Tryptophan; Tyrosine | 2004 |
Readout of protein microarrays using intrinsic time resolved UV fluorescence for label-free detection.
Topics: Fluorescence; Protein Array Analysis; Protein Binding; Proteins; Tryptophan; Tyrosine | 2004 |
Modification of sheep plasma kininogen by free radicals.
Topics: Animals; Chromatography, High Pressure Liquid; Circular Dichroism; Disulfides; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Free Radicals; Humans; Kininogen, High-Molecular-Weight; Kininogens; Mannitol; Oxygen; Protein Folding; Protein Structure, Secondary; Riboflavin; Sheep; Sodium Azide; Sodium Dodecyl Sulfate; Spectrophotometry; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays; Water | 2004 |
Metal-ion- and pH-induced conformational changes of acutolysin D from Agkistrodon acutus venom probed by fluorescent spectroscopy.
Topics: Agkistrodon; Animals; Cations; Circular Dichroism; Crotalid Venoms; Hydrogen-Ion Concentration; Kinetics; Metalloendopeptidases; Metals; Protein Conformation; Snake Venoms; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 2004 |
Time-resolved absorption and UV resonance Raman spectra reveal stepwise formation of T quaternary contacts in the allosteric pathway of hemoglobin.
Topics: Absorption; Allosteric Regulation; Asparagine; Carboxyhemoglobin; Dimerization; Hemoglobin A; Humans; Hydrogen Bonding; Kinetics; Models, Chemical; Models, Molecular; Photolysis; Protein Structure, Quaternary; Protein Structure, Tertiary; Reference Standards; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2004 |
Peroxynitrite reaction with eye lens proteins: alpha-crystallin retains its activity despite modification.
Topics: alpha-Crystallins; Animals; Cattle; Lens, Crystalline; Molecular Chaperones; Oxidative Stress; Peroxynitrous Acid; Tryptophan; Tyrosine | 2004 |
Crystal structure of Mycobacterium tuberculosis catalase-peroxidase.
Topics: Amino Acid Sequence; Bacterial Proteins; Binding Sites; Catalysis; Crystallography, X-Ray; Heme; Models, Molecular; Molecular Sequence Data; Mutation; Mycobacterium tuberculosis; Peroxidases; Protein Conformation; Protein Folding; Protein Structure, Tertiary; Recombinant Proteins; Sequence Homology, Amino Acid; Tryptophan; Tyrosine | 2004 |
Amino acid contents along the visual and equatorial axes of a pig lens by Raman spectroscopy.
Topics: Amino Acids; Animals; Lasers; Lens, Crystalline; Male; Phenylalanine; Refractometry; Spectrum Analysis, Raman; Swine; Tryptophan; Tyrosine | 2004 |
Interfacial nano-structuring of designed peptides regulated by solution pH.
Topics: Amino Acid Sequence; CCAAT-Binding Factor; Fungal Proteins; Hydrogen-Ion Concentration; Models, Molecular; Molecular Sequence Data; Nanotechnology; Neutrons; Peptide Fragments; Protein Structure, Secondary; Scattering, Radiation; Solutions; Tryptophan; Tyrosine | 2004 |
Serotonergic and dopaminergic influence of the duration of embryogenesis and intracapsular locomotion of Lymnaea stagnalis L.
Topics: Amphetamines; Animals; Apomorphine; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Dopamine Agonists; Embryo, Nonmammalian; Embryonic Development; Fenclonine; Hydrazines; Locomotion; Lymnaea; Lysergic Acid Diethylamide; Methysergide; N,N-Dimethyltryptamine; Serotonin; Serotonin Receptor Agonists; Tryptamines; Tryptophan; Tyramine; Tyrosine | 2004 |
Agonist binding and activation of the rat beta(1)-adrenergic receptor: role of Trp(134(3.28)), Ser(190(4.57)) and Tyr(356(7.43)).
Topics: Adrenergic Agonists; Amino Acid Sequence; Animals; CHO Cells; Cricetinae; Cyclic AMP; Humans; Molecular Sequence Data; Mutation; Radioligand Assay; Rats; Receptors, Adrenergic, beta-1; Sequence Homology, Amino Acid; Serine; Tryptophan; Tyrosine | 2004 |
[The weight of epidemiologic studies].
Topics: Adolescent; Adult; Algorithms; Animals; Case-Control Studies; Child; Cholesterol; Cohort Studies; Cross-Sectional Studies; Epidemiologic Studies; Female; Humans; Male; Middle Aged; Migraine Disorders; Mucoproteins; Randomized Controlled Trials as Topic; Rats; Rats, Wistar; Surveys and Questionnaires; Threonine; Tryptophan; Tyrosine | 2004 |
Formation of D-tyrosyl-tRNATyr accounts for the toxicity of D-tyrosine toward Escherichia coli.
Topics: Catalysis; D-Aspartic Acid; Escherichia coli; Hydrolysis; Plasmids; Protein Biosynthesis; RNA, Transfer, Amino Acyl; RNA, Transfer, Tyr; Substrate Specificity; Time Factors; Tryptophan; Tyrosine | 2004 |
First-principles calculations of protein circular dichroism in the near ultraviolet.
Topics: Amino Acid Sequence; Amino Acids, Aromatic; Animals; Aprotinin; Bacterial Proteins; Carbonic Anhydrase II; Cattle; Circular Dichroism; Computational Biology; Humans; Mutation; Phenylalanine; Proteins; Ribonucleases; Static Electricity; Tryptophan; Tyrosine; Ultraviolet Rays | 2004 |
The concentration of tryptophan; cystine, tyrosine, phenylalanine, histidine and methionine in normal human urine-microbiological assay.
Topics: Amino Acids; Cystine; Histidine; Methionine; Phenylalanine; Tryptophan; Tyrosine; Urine | 1950 |
Identification of residues of the IFNAR1 chain of the type I human interferon receptor critical for ligand binding and biological activity.
Topics: Amino Acid Sequence; Animals; Antibodies, Monoclonal; Binding Sites, Antibody; Cell Line; Cell Membrane; DNA Mutational Analysis; Extracellular Space; Humans; Interferon Type I; Ligands; Lysine; Membrane Proteins; Mice; Models, Molecular; Molecular Sequence Data; Peptide Fragments; Protein Binding; Protein Isoforms; Protein Structure, Tertiary; Receptor, Interferon alpha-beta; Receptors, Interferon; Sequence Homology, Amino Acid; Serine; Signal Transduction; Transfection; Tryptophan; Tyrosine; Valine | 2004 |
Substrate regulation of serotonin and dopamine synthesis in Drosophila.
Topics: Animals; Biopterins; Blotting, Western; Cyclic AMP-Dependent Protein Kinases; Dopamine; Dose-Response Relationship, Drug; Drosophila; Drosophila Proteins; Electrophoresis, Gel, Two-Dimensional; Immunoprecipitation; Iron; Phenylalanine; Phenylalanine Hydroxylase; Phosphorylation; Recombinant Fusion Proteins; Serotonin; Substrate Specificity; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 2004 |
Importance of exposed aromatic residues in chitinase B from Serratia marcescens 2170 for crystalline chitin hydrolysis.
Topics: Catalysis; Chitin; Chitinases; DNA Primers; Electrophoresis, Polyacrylamide Gel; Hydrolysis; Microfibrils; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Serratia marcescens; Time Factors; Tryptophan; Tyrosine | 2004 |
Crystallization and preliminary X-ray analysis of the apo form of Escherichia coli tryptophanase.
Topics: Apoenzymes; Crystallization; Crystallography, X-Ray; Escherichia coli; Mutation; Tryptophan; Tryptophanase; Tyrosine | 2004 |
Lenticular levels of amino acids and free UV filters differ significantly between normals and cataract patients.
Topics: Adult; Aged; Aged, 80 and over; Cataract; Chromatography, High Pressure Liquid; Glucosides; Humans; Kynurenine; Lens, Crystalline; Middle Aged; Phenylbutyrates; Tryptophan; Tyrosine; Ultraviolet Rays; Uric Acid | 2004 |
Supplementation with aromatic amino acids improves leucine kinetics but not aromatic amino acid kinetics in infants with infection, severe malnutrition, and edema.
Topics: Alanine; Amino Acids, Aromatic; Anthropometry; Body Water; Deuterium; Edema; Enteral Nutrition; Humans; Infant; Infections; Intubation, Gastrointestinal; Kinetics; Leucine; Phenylalanine; Protein-Energy Malnutrition; Proteins; Tryptophan; Tyrosine | 2004 |
Cation-pi interactions: structures and energetics of complexation of Na+ and K+ with the aromatic amino acids, phenylalanine, tyrosine, and tryptophan.
Topics: Cations, Monovalent; Models, Molecular; Phenylalanine; Potassium; Sodium; Thermodynamics; Tryptophan; Tyrosine | 2004 |
Elimination of polarity in the carotenoid terminus promotes the exposure of B850-binding sites (Tyr 44, 45) and ANS-mediated energy transfer in LH2 complexes of Rhodobacter sphaeroides.
Topics: Anilino Naphthalenesulfonates; Binding Sites; Carotenoids; Chromatography, High Pressure Liquid; Energy Transfer; Imidazoles; Light-Harvesting Protein Complexes; Mass Spectrometry; Mutation; Phenotype; Rhodobacter sphaeroides; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2004 |
Structure of an excitatory insect-specific toxin with an analgesic effect on mammals from the scorpion Buthus martensii Karsch.
Topics: Amino Acid Sequence; Analgesics; Animals; Crystallography, X-Ray; Cysteine; Disulfides; Models, Molecular; Molecular Sequence Data; Protein Conformation; Protein Structure, Secondary; Scorpion Venoms; Scorpions; Sequence Homology, Amino Acid; Software; Toxins, Biological; Tryptophan; Tyrosine | 2005 |
An ultraviolet fluorescence-based method for identifying and distinguishing protein crystals.
Topics: Aldose-Ketose Isomerases; Animals; Chickens; Crystallography, X-Ray; Humans; Hydrogen-Ion Concentration; Microscopy, Fluorescence; Models, Theoretical; Muramidase; Phenylalanine; Protein Tyrosine Phosphatase, Non-Receptor Type 1; Protein Tyrosine Phosphatases; Proteins; Salts; Temperature; Tryptophan; Tyrosine; Ultraviolet Rays | 2005 |
Conservation of cis prolyl bonds in proteins during evolution.
Topics: Amino Acids; Animals; Area Under Curve; Biological Evolution; Conserved Sequence; Humans; Models, Chemical; Molecular Conformation; Peptides; Phenylalanine; Proline; Protein Binding; Protein Conformation; Proteins; Proteomics; Tryptophan; Tyrosine | 2005 |
Melatonin does not react rapidly with hydrogen peroxide.
Topics: Chromans; Hydrogen Peroxide; Kinetics; Melatonin; Oxidation-Reduction; Phenols; Phenolsulfonphthalein; Sulfoxides; Time Factors; Tryptophan; Tyrosine; Xylenes | 2004 |
Peroxynitrite-mediated oxidation of the C85S/C152E mutant of dihydrofolate reductase from Escherichia coli: functional and structural effects.
Topics: Blotting, Western; Calorimetry, Differential Scanning; Chromatography, Gel; Chromatography, High Pressure Liquid; Cysteine; Cystine; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Immunoblotting; Mutation; Oxidative Stress; Oxygen; Peroxynitrous Acid; Reactive Oxygen Species; Spectrometry, Fluorescence; Temperature; Tetrahydrofolate Dehydrogenase; Thermodynamics; Time Factors; Tryptophan; Tyrosine | 2005 |
A detergent-like mechanism of action of the cytolytic toxin Cyt1A from Bacillus thuringiensis var. israelensis.
Topics: Bacillus thuringiensis Toxins; Bacterial Proteins; Bacterial Toxins; Detergents; Electrophoresis, Polyacrylamide Gel; Endotoxins; Fluorescence Polarization; Fluorescence Resonance Energy Transfer; Hemolysin Proteins; Liposomes; Membrane Lipids; Membrane Potentials; Microscopy, Fluorescence; Molecular Weight; Osmotic Pressure; Phosphatidylcholines; Protein Binding; Static Electricity; Tryptophan; Tyrosine | 2005 |
Biophysical and kinetic characterization of HemAT, an aerotaxis receptor from Bacillus subtilis.
Topics: Bacillus subtilis; Bacterial Proteins; Biophysics; Carbon Monoxide; Circular Dichroism; Heme; Hydrogen-Ion Concentration; Kinetics; Leucine; Ligands; Models, Molecular; Mutation; Oxygen; Protein Binding; Protein Conformation; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Signal Transduction; Spectrophotometry; Spectrophotometry, Infrared; Spectroscopy, Fourier Transform Infrared; Temperature; Time Factors; Tryptophan; Tyrosine; Ultracentrifugation; Ultraviolet Rays | 2005 |
Crystal structure of a complex between the catalytic and regulatory (RIalpha) subunits of PKA.
Topics: Binding Sites; Catalytic Domain; Crystallization; Crystallography, X-Ray; Cyclic AMP; Cyclic AMP-Dependent Protein Kinase RIalpha Subunit; Cyclic AMP-Dependent Protein Kinases; Enzyme Activation; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Phosphorylation; Protein Binding; Protein Conformation; Protein Structure, Quaternary; Protein Structure, Secondary; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2005 |
pH Dependence of charge transfer between tryptophan and tyrosine in dipeptides.
Topics: Dipeptides; Hydrogen-Ion Concentration; Nuclear Magnetic Resonance, Biomolecular; Protons; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2005 |
Characteristic of aromatic amino acid substitution at alpha 96 of hemoglobin.
Topics: Amino Acid Substitution; Hemoglobins; Humans; Hydrogen Bonding; Magnetic Resonance Spectroscopy; Mutation; Oxygen; Phenylalanine; Protein Subunits; Recombinant Proteins; Tryptophan; Tyrosine; Valine | 2005 |
Mechanisms of photoinduced electron transfer reactions of lappaconitine with aromatic amino acids. Time-resolved CIDNP study.
Topics: Aconitine; Amino Acids, Aromatic; Anti-Arrhythmia Agents; Electron Transport; Free Radicals; Ions; Magnetic Resonance Spectroscopy; Molecular Structure; ortho-Aminobenzoates; Photochemistry; Protons; Tryptophan; Tyrosine | 2005 |
Ultraviolet resonance Raman studies reveal the environment of tryptophan and tyrosine residues in the native and partially folded states of the E colicin-binding immunity protein Im7.
Topics: Colicins; Escherichia coli Proteins; Hydrophobic and Hydrophilic Interactions; Protein Binding; Protein Conformation; Protein Folding; Recombinant Fusion Proteins; Solutions; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Ultraviolet Rays | 2005 |
[The interaction of berberine and human serum albumin].
Topics: Berberine; Binding Sites; Drug Interactions; Energy Transfer; Fluorescence; Humans; Models, Chemical; Serum Albumin; Tryptophan; Tyrosine | 2004 |
Escherichia coli single-strand binding protein-DNA interactions on carbon nanotube-modified electrodes from a label-free electrochemical hybridization sensor.
Topics: Base Sequence; Biosensing Techniques; DNA-Binding Proteins; DNA, Single-Stranded; Electrochemistry; Electrodes; Escherichia coli; Guanine; Mutation; Nanotubes, Carbon; Nucleic Acid Hybridization; Oligonucleotides; Oxidation-Reduction; Tryptophan; Tyrosine | 2005 |
Switching the redox mechanism: models for proton-coupled electron transfer from tyrosine and tryptophan.
Topics: 2,2'-Dipyridyl; Electrochemistry; Hydrogen-Ion Concentration; Kinetics; Models, Chemical; Organometallic Compounds; Oxidation-Reduction; Protons; Ruthenium; Thermodynamics; Tryptophan; Tyrosine | 2005 |
Structural details of the thermophilic filamentous bacteriophage PH75 determined by polarized Raman microspectroscopy.
Topics: Amides; Amino Acid Sequence; Capsid; DNA, Single-Stranded; DNA, Viral; Inovirus; Models, Molecular; Molecular Sequence Data; Phenylalanine; Protein Structure, Secondary; Protein Subunits; Spectrum Analysis, Raman; Thermus thermophilus; Tryptophan; Tyrosine | 2005 |
Intramolecular electron transfer between tyrosine and tryptophan photosensitized by a chiral pi,pi* aromatic ketone.
Topics: Anti-Inflammatory Agents, Non-Steroidal; Kinetics; Models, Chemical; Photolysis; Stereoisomerism; Suprofen; Tryptophan; Tyrosine | 2005 |
Structure of gramicidin D-RbCl complex at atomic resolution from low-temperature synchrotron data: interactions of double-stranded gramicidin channel contents and cations with channel wall.
Topics: Binding Sites; Chlorides; Cold Temperature; Crystallography; Gramicidin; Hydrogen Bonding; Ion Channels; Protein Conformation; Rubidium; Synchrotrons; Tryptophan; Tyrosine; Water | 2005 |
The Met-Tyr-Trp cross-link in Mycobacterium tuberculosis catalase-peroxidase (KatG): autocatalytic formation and effect on enzyme catalysis and spectroscopic properties.
Topics: Amino Acid Sequence; Bacterial Proteins; Binding Sites; Catalase; Catalysis; Chromatography, High Pressure Liquid; Cross-Linking Reagents; Crystallography, X-Ray; Heme; Hydrogen Peroxide; Kinetics; Mass Spectrometry; Methionine; Models, Chemical; Models, Molecular; Molecular Sequence Data; Mycobacterium tuberculosis; Peptides; Peracetic Acid; Plasmids; Protein Binding; Recombinant Proteins; Spectrophotometry; Time Factors; Trypsin; Tryptophan; Tyrosine; Ultraviolet Rays | 2005 |
Improved catalytic properties of halohydrin dehalogenase by modification of the halide-binding site.
Topics: Asparagine; Bacterial Proteins; Binding Sites; Bromides; Catalytic Domain; Chlorides; Hydrolases; Kinetics; Ligands; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Rhizobium; Spectrometry, Fluorescence; Stereoisomerism; Tryptophan; Tyrosine | 2005 |
[Study on the interaction of Pb2+ and bovine serum albumin by fluorescence].
Topics: Algorithms; Animals; Cattle; Fluorescence; Humans; Kinetics; Lead; Models, Chemical; Protein Binding; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2005 |
Substrate-induced tryptophan fluorescence changes in EmrE, the smallest ion-coupled multidrug transporter.
Topics: Amino Acid Sequence; Amino Acid Substitution; Antiporters; Biological Transport; Drug Resistance, Multiple, Bacterial; Escherichia coli Proteins; Membrane Proteins; Molecular Sequence Data; Mutagenesis, Site-Directed; Onium Compounds; Organophosphorus Compounds; Phenotype; Phenylalanine; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2005 |
Theoretical and experimental investigations on the reactions of positively charged phenyl radicals with aromatic amino acids.
Topics: Amino Acids, Aromatic; Benzene Derivatives; Cysteine; Free Radicals; Models, Molecular; Phenylalanine; Pyridinium Compounds; Thermodynamics; Tryptophan; Tyrosine | 2005 |
Characterization of free aromatic amino acids and estimation of exposition rate of phenylalanine in casein hydrolysates by second derivative spectrophotometry.
Topics: Caseins; Hydrogen-Ion Concentration; Papain; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 2004 |
Compact detector for proteins based on two-photon excitation of native fluorescence.
Topics: Animals; Cattle; Equipment Design; Equipment Failure Analysis; Fluorescence; Lab-On-A-Chip Devices; Lasers; Microchip Analytical Procedures; Optics and Photonics; Phenylalanine; Photons; Sensitivity and Specificity; Serum Albumin, Bovine; Time Factors; Tryptophan; Tyrosine | 2005 |
Arc repressor-operator DNA interactions and contribution of Phe10 to binding specificity.
Topics: Amino Acid Substitution; Circular Dichroism; Crystallography, X-Ray; Deoxyribonucleosides; Deoxyribose; DNA-Binding Proteins; DNA, Viral; Histidine; Hydrophobic and Hydrophilic Interactions; Nucleic Acid Conformation; Operator Regions, Genetic; Phenylalanine; Purines; Pyrimidines; Repressor Proteins; Salmonella; Spectrometry, Fluorescence; Spectrum Analysis, Raman; Thermodynamics; Tryptophan; Tyrosine; Viral Proteins; Viral Regulatory and Accessory Proteins | 2005 |
Insights into the role of the aromatic residue in galactose-binding sites: MP2/6-311G++** study on galactose- and glucose-aromatic residue analogue complexes.
Topics: Amino Acid Sequence; Binding Sites; Butylated Hydroxytoluene; Carbohydrate Conformation; Galactose; Galectins; Glucose; Hydrogen Bonding; Models, Chemical; Molecular Sequence Data; Oligosaccharides; Phenylalanine; Skatole; Thermodynamics; Tryptophan; Tyrosine | 2005 |
Frequency-domain fluorescence spectroscopy using 280-nm and 300-nm light-emitting diodes: measurement of proteins and protein-related fluorophores.
Topics: Fluorescence Polarization; Muramidase; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultraviolet Rays | 2005 |
Short communication: Amino acids antagonistic to the amino acids inhibitory for growth rate of mixed ruminal bacteria.
Topics: Amino Acids; Animals; Bacteria; Cattle; Diet; Feedback, Physiological; Female; Fermentation; Glutamic Acid; Isoleucine; Leucine; Nitrogen; Phenylalanine; Rumen; Threonine; Tryptophan; Tyrosine; Valine | 2005 |
Enantioselective capillary electrophoretic separation of tryptophane- and tyrosine-methylesters in a dual system with a tetra-oxadiaza-crown-ether derivative and a cyclodextrin.
Topics: Algorithms; Buffers; Combinatorial Chemistry Techniques; Crown Compounds; Cyclodextrins; Electrolytes; Electrophoresis, Capillary; Glycine; Hydrogen-Ion Concentration; Reproducibility of Results; Spectrophotometry, Ultraviolet; Stereoisomerism; Tryptophan; Tyrosine | 2005 |
Intrinsic fluorescent detection of tau conformation and aggregation.
Topics: Fluorescence Resonance Energy Transfer; Guanidine; Humans; Nerve Tissue Proteins; Protein Denaturation; tau Proteins; Tryptophan; Tyrosine | 2005 |
Acute tryptophan or tyrosine depletion test: time for reappraisal?
Topics: Brain Chemistry; Depressive Disorder; Humans; Mental Disorders; Serotonin; Tryptophan; Tyrosine | 2005 |
Raman spectroscopic study on structure of human immunodeficiency virus (HIV) and hypericin-induced photosensitive damage of HIV.
Topics: Anthracenes; HIV; HIV Seropositivity; HIV-1; HIV-2; Humans; Hydrogen Bonding; Lipid Bilayers; Perylene; Phenylalanine; Protein Structure, Secondary; Radiation-Sensitizing Agents; RNA, Viral; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Viral Proteins | 2005 |
Evolution of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase-encoding genes in the yeast Saccharomyces cerevisiae.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Aldehyde-Lyases; Amino Acids; Escherichia coli; Evolution, Molecular; Feedback, Physiological; Genetic Engineering; Isoenzymes; Mutation; Phenylalanine; Promoter Regions, Genetic; Saccharomyces cerevisiae; Tryptophan; Tyrosine | 2005 |
Biochemical characterization, stability studies and N-terminal sequence of a bi-functional inhibitor from Phaseolus aureus Roxb. (Mung bean).
Topics: Amylases; Chromatography, DEAE-Cellulose; Cystine; Enzyme Inhibitors; Kinetics; Molecular Sequence Data; Molecular Weight; Phaseolus; Protease Inhibitors; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2005 |
Functional characterization and ATP-induced dimerization of the isolated ABC-domain of the haemolysin B transporter.
Topics: Adenosine Diphosphate; Adenosine Triphosphatases; Adenosine Triphosphate; Alanine; ATP-Binding Cassette Transporters; Bacterial Proteins; Buffers; Carrier Proteins; Dimerization; Escherichia coli Proteins; Hemolysin Proteins; Histidine; Hydrogen-Ion Concentration; Hydrolysis; Models, Chemical; Mutagenesis, Site-Directed; Peptide Fragments; Protein Binding; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2005 |
Binding residues and catalytic domain of soluble Saccharomyces cerevisiae processing alpha-glucosidase I.
Topics: 1-Deoxynojirimycin; alpha-Glucosidases; Amino Acid Sequence; Binding Sites; Bromosuccinimide; Catalysis; Catalytic Domain; Diethyl Pyrocarbonate; Electrophoresis, Polyacrylamide Gel; Endoplasmic Reticulum; Enzyme Inhibitors; Gene Expression Regulation, Fungal; Glycoside Hydrolases; Glycosylation; Glyoxal; Histidine; Hydrolysis; Lysine; Molecular Sequence Data; Peptides; Phenylalanine; Protein Binding; Protein Structure, Tertiary; Saccharomyces cerevisiae; Temperature; Tetranitromethane; Time Factors; Trisaccharides; Trypsin; Tryptophan; Tyrosine | 2005 |
Single-spanning membrane protein insertion in membrane mimetic systems: role and localization of aromatic residues.
Topics: Amino Acids, Aromatic; Anisotropy; Biomimetics; Glucosides; Hydrophobic and Hydrophilic Interactions; Lipid Bilayers; Magnetic Resonance Spectroscopy; Membrane Proteins; Micelles; Peptide Fragments; Phenylalanine; Phosphatidylcholines; Phosphatidylserines; Proton-Translocating ATPases; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Yeasts | 2005 |
Removal of tightly bound ADP induces distinct structural changes of the two tryptophan-containing regions of the ncd motor domain.
Topics: Adenosine Diphosphate; Adenosine Triphosphatases; Animals; Binding Sites; Circular Dichroism; Drosophila Proteins; Kinesins; Models, Molecular; Mutation; Phenylalanine; Protein Structure, Tertiary; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tubulin; Tyrosine | 2005 |
Did protein kinase regulatory mechanisms evolve through elaboration of a simple structural component?
Topics: Adenosine Diphosphate; Amino Acid Motifs; Amino Acid Sequence; Animals; Binding Sites; Databases, Protein; Evolution, Molecular; Glutamic Acid; Histidine; Humans; Models, Genetic; Models, Molecular; Molecular Conformation; Molecular Sequence Data; Monte Carlo Method; Protein Conformation; Protein Kinases; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Tryptophan; Tyrosine; Water | 2005 |
Pathologic and immunohistochemical findings in hypothalamic and mesencephalic regions in the pah(enu2) mouse model for phenylketonuria.
Topics: Animals; Catecholamines; CD11b Antigen; Disease Models, Animal; Dopamine; Female; Gene Transfer Techniques; Genotype; Heterozygote; Homozygote; Hypothalamus; Immunohistochemistry; Macrophages; Male; Mesencephalon; Mice; Mice, Mutant Strains; Neurons; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Phenylketonurias; Substantia Nigra; Time Factors; Tryptophan; Tyrosine | 2005 |
Neuroprotection and protein damage prevention by estradiol replacement in rat hippocampal slices exposed to oxygen-glucose deprivation.
Topics: Animals; Antioxidants; Estradiol; Estrogen Replacement Therapy; Female; Free Radicals; Glucose; Hippocampus; Hypoxia, Brain; L-Lactate Dehydrogenase; Nerve Tissue Proteins; Neuroprotective Agents; Ovariectomy; Rats; Rats, Wistar; Reactive Oxygen Species; Tryptophan; Tyrosine | 2005 |
Tyrosine modification is not required for myeloperoxidase-induced loss of apolipoprotein A-I functional activities.
Topics: Apolipoprotein A-I; ATP Binding Cassette Transporter 1; ATP-Binding Cassette Transporters; Cholesterol; DNA, Complementary; Dose-Response Relationship, Drug; Escherichia coli; Humans; Mass Spectrometry; Oxidation-Reduction; Peroxidase; Point Mutation; Tryptophan; Tyrosine | 2005 |
A binding site tyrosine shapes desensitization kinetics and agonist potency at GluR2. A mutagenic, kinetic, and crystallographic study.
Topics: Alanine; Animals; Binding Sites; Crystallography, X-Ray; Dose-Response Relationship, Drug; Electrophysiology; Glutamic Acid; Ions; Kainic Acid; Kinetics; Ligands; Models, Biological; Models, Chemical; Models, Molecular; Mutagenesis; Mutation; Oocytes; Patch-Clamp Techniques; Protein Binding; Protein Structure, Tertiary; Rats; Receptors, AMPA; RNA, Complementary; Tryptophan; Tyrosine; Xenopus laevis | 2005 |
Roles of Trp144 and Tyr203 in copper-containing nitrite reductase from Achromobacter cycloclastes IAM1013.
Topics: Achromobacter cycloclastes; Copper; Electrochemistry; Electron Transport; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Nitrate Reductase; Nitrate Reductases; Protein Conformation; Tryptophan; Tyrosine | 2005 |
An extensive thermodynamic characterization of the dimerization domain of the HIV-1 capsid protein.
Topics: Anilino Naphthalenesulfonates; Anisotropy; Capsid Proteins; Chromatography, Liquid; Circular Dichroism; Dimerization; Fluorescence; HIV-1; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Tertiary; Spectroscopy, Fourier Transform Infrared; Thermodynamics; Tryptophan; Tyrosine | 2005 |
Capping transmembrane helices of MscL with aromatic residues changes channel response to membrane stretch.
Topics: Amino Acid Substitution; Escherichia coli; Escherichia coli Proteins; Ion Channel Gating; Ion Channels; Models, Molecular; Protein Structure, Secondary; Recombinant Proteins; Stress, Mechanical; Tryptophan; Tyrosine | 2005 |
Purine activity of RNase T1RV is further improved by substitution of Trp59 by tyrosine.
Topics: Amino Acid Substitution; Catalytic Domain; Kinetics; Models, Molecular; Purines; Ribonuclease T1; Substrate Specificity; Tryptophan; Tyrosine | 2005 |
Replacement of a conserved tyrosine by tryptophan in Gal3p of Saccharomyces cerevisiae reduces constitutive activity: implications for signal transduction in the GAL regulon.
Topics: Blotting, Western; Cell Nucleus; Cytoplasm; DNA-Binding Proteins; Galactose; Gene Expression Regulation, Fungal; Genes, Fungal; Genes, Reporter; Genetic Complementation Test; Kinetics; Models, Biological; Mutation; Phenotype; Plasmids; Regulon; Repressor Proteins; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Signal Transduction; Time Factors; Transcription Factors; Tryptophan; Tyrosine | 2005 |
Characterization of oligomeric intermediates in alpha-synuclein fibrillation: FRET studies of Y125W/Y133F/Y136F alpha-synuclein.
Topics: alpha-Synuclein; Anilino Naphthalenesulfonates; Benzothiazoles; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Humans; Mutagenesis, Site-Directed; Nerve Tissue Proteins; Parkinson Disease; Protein Structure, Secondary; Spectroscopy, Fourier Transform Infrared; Synucleins; Thiazoles; Tryptophan; Tyrosine | 2005 |
Kinetics of the interaction of sulfate and hydrogen phosphate radicals with small peptides of glycine, alanine, tyrosine and tryptophan.
Topics: Alanine; Glycine; Kinetics; Peptides; Phosphates; Photochemistry; Sulfates; Tryptophan; Tyrosine | 2005 |
Spectroscopic characterization of the iron-oxo intermediate in cytochrome P450.
Topics: Bacillus megaterium; Bacterial Proteins; Cytochrome P-450 Enzyme System; Electron Spin Resonance Spectroscopy; Electron Transport; Heme; Iron; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2005 |
The g-values and hyperfine coupling of amino acid radicals in proteins: comparison of experimental measurements with ab initio calculations.
Topics: Amino Acids; Computational Biology; Free Radicals; Glycine; Hydrogen Bonding; Molecular Conformation; Proteins; Solvents; Tryptophan; Tyrosine | 2005 |
The nucleotide-binding site of the Escherichia coli DnaC protein: molecular topography of DnaC protein-nucleotide cofactor complexes.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Binding Sites; Escherichia coli; Escherichia coli Proteins; Hydrophobic and Hydrophilic Interactions; Magnesium Chloride; ortho-Aminobenzoates; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2005 |
E. coli RNase HI and the phosphonate-DNA/RNA hybrid: molecular dynamics simulations.
Topics: Binding Sites; Computer Simulation; DNA; Escherichia coli; Hydrogen Bonding; Magnesium; Models, Chemical; Models, Molecular; Molecular Conformation; Nucleic Acid Conformation; Nucleotides; Organophosphonates; Protein Conformation; Ribonuclease H; RNA; RNA, Bacterial; Tryptophan; Tyrosine | 2005 |
Purification and characterization of spiralin, the main protein of the Spiroplasma citri membrane.
Topics: Alanine; Bacterial Outer Membrane Proteins; Biochemistry; Buffers; Cell Membrane; Detergents; Electrophoresis; Electrophoresis, Agar Gel; Electrophoresis, Gel, Two-Dimensional; Electrophoresis, Polyacrylamide Gel; Glycine; Histidine; Immunoelectrophoresis; Intracellular Membranes; Leucine; Methionine; Molecular Weight; Phenylalanine; Sepharose; Spiroplasma citri; Subcellular Fractions; Threonine; Tryptophan; Tyrosine; Valine | 1977 |
Circular dichroism of designed peptide helices and beta-hairpins: analysis of Trp- and Tyr-rich peptides.
Topics: Amino Acid Sequence; Amino Acids, Aromatic; Circular Dichroism; Drug Design; Peptides; Protein Structure, Secondary; Tryptophan; Tyrosine | 2005 |
Picosecond structural dynamics of myoglobin following photodissociation of carbon monoxide as revealed by ultraviolet time-resolved resonance Raman spectroscopy.
Topics: Carbon Monoxide; Heme; Models, Molecular; Myoglobin; Photolysis; Spectrum Analysis, Raman; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2005 |
Role of the Met-Tyr-Trp cross-link in Mycobacterium tuberculosis catalase-peroxidase (KatG) as revealed by KatG(M255I).
Topics: Amino Acid Sequence; Bacterial Proteins; Catalase; Chromatography, High Pressure Liquid; Cross-Linking Reagents; Mass Spectrometry; Methionine; Molecular Sequence Data; Peptide Fragments; Peracetic Acid; Peroxidases; Spectrophotometry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2005 |
Fluorescence spectroscopy reveals ubiquitous presence of oxidized and reduced quinones in dissolved organic matter.
Topics: Models, Chemical; Organic Chemicals; Oxidation-Reduction; Quinones; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2005 |
Thermodynamic functions and intra-particle mass transfer kinetics of structural analogues of a template on molecularly imprinted polymers in liquid chromatography.
Topics: Adsorption; Algorithms; Chromatography, Liquid; Fluorenes; Glycine; Kinetics; Models, Chemical; Particle Size; Phenylalanine; Polymers; Serine; Stereoisomerism; Temperature; Thermodynamics; Tryptophan; Tyrosine | 2005 |
Early events in apomyoglobin unfolding probed by laser T-jump/UV resonance Raman spectroscopy.
Topics: Apoproteins; Circular Dichroism; Hydrogen-Ion Concentration; Lasers; Models, Molecular; Myoglobin; Protein Denaturation; Protein Folding; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2005 |
Unfolding pathways of human serum albumin: evidence for sequential unfolding and folding of its three domains.
Topics: Circular Dichroism; Cysteine; Fluorescence; Fluorescent Dyes; Humans; Kinetics; Maleimides; ortho-Aminobenzoates; Protein Folding; Protein Structure, Tertiary; Serum Albumin; Tryptophan; Tyrosine | 2005 |
Structural changes during the photocycle of photoactive yellow protein monitored by ultraviolet resonance raman spectra of tyrosine and tryptophan.
Topics: Bacterial Proteins; Models, Molecular; Mutation; Photochemistry; Photoreceptors, Microbial; Protein Structure, Secondary; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2005 |
Interactions involved in the realignment of membrane-associated helices. An investigation using oriented solid-state NMR and attenuated total reflection Fourier transform infrared spectroscopies.
Topics: Alanine; Amino Acid Sequence; Cell Membrane; Detergents; DNA; Glycine; Histidine; Hydrogen-Ion Concentration; Leucine; Lipid Bilayers; Magnetic Resonance Spectroscopy; Micelles; Models, Chemical; Models, Statistical; Molecular Sequence Data; Peptides; Protein Structure, Secondary; Protons; Spectrophotometry; Spectroscopy, Fourier Transform Infrared; Thermodynamics; Transfection; Tryptophan; Tyrosine | 2006 |
Ring-Toss: Capping highly exposed tyrosyl or tryptophyl residues in proteins with beta-cyclodextrin.
Topics: Amino Acid Sequence; Bacterial Proteins; beta-Cyclodextrins; Molecular Sequence Data; Ovomucin; Serine Endopeptidases; Solvents; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2006 |
The interaction of Phe472 with a fluorescent inhibitor bound to the complex of myosin subfragment-1 with nucleotide.
Topics: Adenosine Triphosphate; Binding Sites; Boronic Acids; Fluorescent Dyes; Heterocyclic Compounds, 4 or More Rings; Models, Molecular; Myosin Subfragments; Nucleotides; Phenylalanine; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Sulfonamides; Tryptophan; Tyrosine | 2006 |
NMR analysis of aromatic interactions in designed peptide beta-hairpins.
Topics: Amino Acid Sequence; Amino Acids, Aromatic; Glycine; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Oligopeptides; Proline; Protein Structure, Secondary; Solutions; Tryptophan; Tyrosine | 2006 |
Modification of amino acid residues in human serum albumin by myeloperoxidase.
Topics: Bromides; Chlorides; Humans; Hydrogen Peroxide; Methionine; Neutrophils; Nitrites; Oxidation-Reduction; Oxygen; Peroxidase; Serum Albumin; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan; Tyrosine | 2006 |
The role of tryptophan 272 in the Paracoccus denitrificans cytochrome c oxidase.
Topics: Catalysis; Electron Spin Resonance Spectroscopy; Electron Transport; Electron Transport Complex IV; Free Radicals; Hydrogen Peroxide; Paracoccus denitrificans; Tryptophan; Tyrosine | 2006 |
A residual structure in unfolded intestinal fatty acid binding protein consists of amino acids that are neighbors in the native state.
Topics: Amino Acids; Circular Dichroism; Fatty Acid-Binding Proteins; Fluorescence; Fluorine; Hydrophobic and Hydrophilic Interactions; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Protein Denaturation; Protein Folding; Protein Structure, Tertiary; Recombinant Proteins; Tryptophan; Tyrosine; Urea | 2006 |
Characterization of oligomers during alpha-synuclein aggregation using intrinsic tryptophan fluorescence.
Topics: Acrylamide; alpha-Synuclein; Amino Acid Substitution; Amyloid; Anilino Naphthalenesulfonates; Fluorescence; Fluorescence Polarization; Fluorescence Resonance Energy Transfer; Protein Structure, Secondary; Solvents; Time Factors; Tryptophan; Tyrosine | 2006 |
Electronic spectroscopy of cold, protonated tryptophan and tyrosine.
Topics: Cold Temperature; Gases; Mass Spectrometry; Photochemistry; Protons; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 2006 |
The family 21 carbohydrate-binding module of glucoamylase from Rhizopus oryzae consists of two sites playing distinct roles in ligand binding.
Topics: Amino Acid Sequence; Binding Sites; Bromosuccinimide; Circular Dichroism; Cyclodextrins; Glucan 1,4-alpha-Glucosidase; Ligands; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligosaccharides; Protein Structure, Secondary; Protein Structure, Tertiary; Rhizopus; Sequence Alignment; Spectrophotometry, Ultraviolet; Starch; Tetranitromethane; Tryptophan; Tyrosine | 2006 |
Target peptide recognition by S100P protein and role of central linker region and dimer interface.
Topics: Calcium; Calorimetry; Chromatography, Gel; Dimerization; Hydrophobic and Hydrophilic Interactions; Kinetics; Melitten; Peptides; Protein Conformation; Protein Structure, Secondary; S100 Proteins; Spectrometry, Fluorescence; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan; Tyrosine | 2006 |
Ligand exchange capillary electrophoresis by cyclodextrin derivatives, a powerful tool for enantiomeric separations.
Topics: Amino Acids; Aminopyridines; beta-Cyclodextrins; Cyclodextrins; Electrophoresis, Capillary; Ligands; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine | 2006 |
Structure of a complex of Thermoactinomyces vulgaris R-47 alpha-amylase 2 with maltohexaose demonstrates the important role of aromatic residues at the reducing end of the substrate binding cleft.
Topics: Alanine; alpha-Amylases; Amino Acid Substitution; Amino Acids, Aromatic; Binding Sites; Catalysis; Crystallography, X-Ray; Dimerization; Hydrogen Bonding; Hydrolysis; Kinetics; Micromonosporaceae; Models, Molecular; Oligosaccharides; Protein Conformation; Protein Structure, Secondary; Protein Structure, Tertiary; Substrate Specificity; Tryptophan; Tyrosine; Water | 2006 |
Stable gas-phase radical cations of dimeric tryptophan and tyrosine derivatives.
Topics: Acetylation; Cations; Hydrogen Bonding; Ligands; Mass Spectrometry; Tryptophan; Tyrosine | 2006 |
An electronic time scale in chemistry.
Topics: Electrons; Ions; Mathematics; Molecular Structure; Peptides; Time Factors; Tryptophan; Tyrosine | 2006 |
Interaction of 4-nitroquinoline-1-oxide with indole derivatives and some related biomolecules: a study with magnetic field.
Topics: 4-Nitroquinoline-1-oxide; Amino Acids; Electrons; Indoles; Magnetics; Muramidase; Photochemistry; Proteins; Serum Albumin, Bovine; Tryptophan; Tyrosine | 2006 |
Biochemical characterization of prephenate dehydrogenase from the hyperthermophilic bacterium Aquifex aeolicus.
Topics: Bacteria; Bacterial Proteins; Binding Sites; Cloning, Molecular; Dimerization; Enzyme Stability; Fluorescence; Guanidine; Kinetics; Molecular Weight; Multienzyme Complexes; Prephenate Dehydrogenase; Protein Denaturation; Protein Folding; Protein Subunits; Tryptophan; Tyrosine | 2006 |
The spectrophotometric determination of tyrosine and tryptophan in proteins.
Topics: Humans; Proteins; Spectrophotometry; Tryptophan; Tyrosine | 1946 |
AB-type lectin (toxin/agglutinin) from mistletoe: differences in affinity of the two galactoside-binding Trp/Tyr-sites and regulation of their functionality by monomer/dimer equilibrium.
Topics: alpha-Fetoproteins; Asialoglycoproteins; Chromatography, Gel; Dimerization; Fetuins; Galactosides; Hemagglutination; Hydrogen-Ion Concentration; Lactose; Lectins; Microscopy, Polarization; Mistletoe; Models, Molecular; Plant Lectins; Plant Preparations; Plant Proteins; Protein Binding; Ribosome Inactivating Proteins; Ribosome Inactivating Proteins, Type 2; Sepharose; Substrate Specificity; Toxins, Biological; Tryptophan; Tyrosine | 2006 |
Roles of the human Rad51 L1 and L2 loops in DNA binding.
Topics: Alanine; Amino Acid Sequence; Amino Acid Substitution; Binding Sites; DNA Repair; DNA-Binding Proteins; Humans; Molecular Sequence Data; Protein Binding; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Rad51 Recombinase; Recombination, Genetic; Sequence Homology, Amino Acid; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2006 |
Trends in antibody sequence changes during the somatic hypermutation process.
Topics: Amino Acid Sequence; Amino Acid Substitution; Binding Sites, Antibody; Gene Rearrangement, B-Lymphocyte, Heavy Chain; Gene Rearrangement, B-Lymphocyte, Light Chain; Germ-Line Mutation; Immunoglobulin Heavy Chains; Immunoglobulin Light Chains; Immunoglobulin Variable Region; Molecular Sequence Data; Probability; Protein Structure, Tertiary; Serine; Somatic Hypermutation, Immunoglobulin; Tryptophan; Tyrosine | 2006 |
Conformational basis for SH2-Tyr(P)527 binding in Src inactivation.
Topics: Amino Acid Motifs; Amino Acid Sequence; Amino Acid Substitution; Binding Sites; Humans; Molecular Mimicry; Mutation; Peptide Fragments; Phosphopeptides; Phosphorylation; Protein Binding; Protein Conformation; src Homology Domains; src-Family Kinases; Tryptophan; Tyrosine | 2006 |
Characterisation of photo-oxidation products within photoyellowed wool proteins: tryptophan and tyrosine derived chromophores.
Topics: Animals; Color; Molecular Structure; Oxidation-Reduction; Photolysis; Proteins; Sheep; Tryptophan; Tyrosine; Wool | 2006 |
Cation mediation of radical transfer between Trp48 and Tyr356 during O2 activation by protein R2 of Escherichia coli ribonucleotide reductase: relevance to R1-R2 radical transfer in nucleotide reduction?
Topics: Amino Acid Sequence; Escherichia coli; Free Radicals; Kinetics; Magnesium Chloride; Ribonucleotide Reductases; Tryptophan; Tyrosine | 2006 |
Cationic peptides containing tyrosine protect against radiation-induced oxidative DNA damage.
Topics: Antimicrobial Cationic Peptides; Binding Sites; DNA Damage; DNA Repair; DNA-Formamidopyrimidine Glycosylase; Dose-Response Relationship, Drug; Gamma Rays; Ligands; Phenylalanine; Radiation-Protective Agents; Reactive Oxygen Species; Thiocyanates; Time Factors; Tryptophan; Tyrosine | 2006 |
Synthesis and characterization of nonconventional surfactants of aromatic amino acid-glycerol ethers: effect of the amino acid moiety on the orientation and surface properties of these soap-type amphiphiles.
Topics: Glyceryl Ethers; Histidine; Hydrophobic and Hydrophilic Interactions; Molecular Structure; Phenylalanine; Surface Properties; Surface Tension; Surface-Active Agents; Tryptophan; Tyrosine | 2006 |
Reversibility of electron transfer in tryptophan-tyrosine peptide in acidic aqueous solution studied by time-resolved CIDNP.
Topics: Animals; Cattle; Chemistry, Physical; Electrons; Humans; Hydrogen-Ion Concentration; Kinetics; Lactalbumin; Models, Chemical; Peptides; Tryptophan; Tyrosine | 2005 |
Expedient synthesis of threo-beta-hydroxy-alpha-amino acid derivatives: phenylalanine, tyrosine, histidine, and tryptophan.
Topics: Amino Acids; Catalysis; Cesium; Chemistry, Organic; Histidine; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine | 2006 |
Role of tyrosine and tryptophan in chemically modified serum albumin on its tissue distribution.
Topics: 2-Hydroxy-5-nitrobenzyl Bromide; Animals; Drug Delivery Systems; Indium Radioisotopes; Male; Mice; Serum Albumin, Bovine; Structure-Activity Relationship; Tetranitromethane; Tissue Distribution; Tryptophan; Tyrosine | 2006 |
Photophysics of ANS. III: Circular dichroism of ANS and anilinonaphthalene in I-FABP.
Topics: 1-Naphthylamine; Amino Acid Sequence; Anilino Naphthalenesulfonates; Circular Dichroism; Fatty Acid-Binding Proteins; Models, Chemical; Mutation; Photochemistry; Physical Phenomena; Physics; Protein Binding; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2007 |
Aliphatic C-H/pi interactions: Methane-benzene, methane-phenol, and methane-indole complexes.
Topics: Benzene; Indoles; Methane; Molecular Structure; Phenol; Phenylalanine; Thermodynamics; Tryptophan; Tyrosine | 2006 |
Enantioseparation by ligand-exchange using particle-loaded monoliths: capillary-LC versus capillary electrochromatography.
Topics: Acrylamides; Capillary Electrochromatography; Chromatography, Liquid; Ligands; Mandelic Acids; Microscopy, Electron, Scanning; Phenylalanine; Polymers; Stereoisomerism; Tryptophan; Tyrosine | 2007 |
Photophysics of ANS. I. Protein-ANS complexes: Intestinal fatty acid binding protein and single-trp mutants.
Topics: Amino Acid Sequence; Amino Acid Substitution; Anilino Naphthalenesulfonates; Circular Dichroism; Energy Transfer; Escherichia coli; Fatty Acid-Binding Proteins; Fluorescent Dyes; Mathematics; Nuclear Magnetic Resonance, Biomolecular; Photochemistry; Physical Phenomena; Physics; Protein Binding; Protein Structure, Secondary; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 2007 |
Tryptophan and tyrosine to terbium fluorescence resonance energy transfer as a method to "map" aromatic residues and monitor docking.
Topics: Binding Sites; Fluorescence Resonance Energy Transfer; Hydrocarbons, Aromatic; Protein Binding; Protein Interaction Mapping; Terbium; Tryptophan; Tyrosine | 2006 |
A multichannel native fluorescence detection system for capillary electrophoretic analysis of neurotransmitters in single neurons.
Topics: Animals; Aplysia; Catecholamines; Central Nervous System; Dopamine; Electrophoresis, Capillary; Lymnaea; Neurons; Neurotransmitter Agents; Octopamine; Serotonin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2007 |
A single residue in the C1 domain sensitizes novel protein kinase C isoforms to cellular diacylglycerol production.
Topics: Animals; Calcium; Cell Membrane; Chlorocebus aethiops; Conserved Sequence; COS Cells; Diglycerides; Gene Expression Regulation, Enzymologic; Isoenzymes; Molecular Conformation; Protein Kinase C; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2007 |
Effect of L-serine on the biosynthesis of aromatic amino acids in Escherichia coli.
Topics: Amino Acids; Amino Acids, Aromatic; Caseins; Culture Media; Enzyme Inhibitors; Escherichia coli; Phenylalanine; Prephenate Dehydratase; Reverse Transcriptase Polymerase Chain Reaction; Serine; Tryptophan; Tyrosine | 2006 |
Stereo-structural prediction and IR-characteristic band assignment of amorphous protonated forms of homodipeptides (L)-Phe-(L)-Phe, (L)-Trp-(L)-Trp, (L)-Tyr-(L)-Tyr and the neutral - (L)-Trp-(L)-Trp. Ab initio approximation and solid-state linear-polarize
Topics: Dipeptides; Molecular Structure; Phenylalanine; Protons; Spectrophotometry, Infrared; Tryptophan; Tyrosine | 2006 |
Cation-pi Interactions and oxidative effects on Cu+ and Cu2+ binding to Phe, Tyr, Trp, and His amino acids in the gas phase. Insights from first-principles calculations.
Topics: Algorithms; Amino Acids, Aromatic; Binding Sites; Cations, Divalent; Copper; Gases; Histidine; Hydrogen Bonding; Models, Molecular; Nitrogen; Oxidation-Reduction; Oxygen; Phenylalanine; Solvents; Spectrophotometry, Infrared; Tryptophan; Tyrosine | 2006 |
Ultrafast excited state dynamics in protonated GWG and GYG tripeptides.
Topics: Peptides; Protons; Tryptophan; Tyrosine | 2007 |
The putative transmembrane segment 7 of human organic anion transporter hOAT1 dictates transporter substrate binding and stability.
Topics: Alanine; Amino Acid Substitution; Animals; Biological Transport; Biotinylation; Blotting, Western; Cell Membrane; Chlorocebus aethiops; COS Cells; Humans; Mutagenesis, Site-Directed; Organic Anion Transport Protein 1; p-Aminohippuric Acid; Protein Binding; Substrate Specificity; Transfection; Tryptophan; Tyrosine | 2007 |
Redesigning the PheA domain of gramicidin synthetase leads to a new understanding of the enzyme's mechanism and selectivity.
Topics: Chorismate Mutase; Escherichia coli Proteins; Kinetics; Multienzyme Complexes; Mutagenesis, Site-Directed; Phenylalanine; Prephenate Dehydratase; Protein Binding; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Substrate Specificity; Tryptophan; Tyrosine | 2006 |
Alpha-synuclein tertiary contact dynamics.
Topics: alpha-Synuclein; Amino Acid Sequence; Electron Transport; Molecular Sequence Data; Protein Conformation; Tryptophan; Tyrosine | 2007 |
Site-directed mutagenesis of two aromatic residues lining the active site pocket of the yeast Ltp1.
Topics: Alanine; Amino Acid Substitution; Amino Acids, Aromatic; Binding Sites; Catalysis; Hydrogen-Ion Concentration; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Phosphorylation; Protein Tyrosine Phosphatases; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Substrate Specificity; Tryptophan; Tyrosine | 2007 |
Characterization of fresh and decomposed dissolved organic matter using excitation-emission matrix fluorescence spectroscopy and multiway analysis.
Topics: Animals; Biomass; Chromatography, Gel; Humic Substances; Manure; Plants; Soil; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2007 |
Unveiling hidden catalytic contributions of the conserved His/Trp-III in tyrosine recombinases: assembly of a novel active site in Flp recombinase harboring alanine at this position.
Topics: Alanine; Amino Acid Sequence; Catalytic Domain; Conserved Sequence; DNA Nucleotidyltransferases; Histidine; Hydrogen Peroxide; Models, Genetic; Models, Molecular; Mutation; Recombinases; Substrate Specificity; Tryptophan; Tyramine; Tyrosine | 2007 |
Weak binding affinity of human 4EHP for mRNA cap analogs.
Topics: Amino Acid Sequence; Amino Acid Substitution; Binding Sites; Binding, Competitive; Dinucleoside Phosphates; Eukaryotic Initiation Factor-4E; Fluorescence; Molecular Sequence Data; RNA Cap Analogs; RNA Cap-Binding Proteins; RNA, Messenger; Titrimetry; Tryptophan; Tyrosine | 2007 |
Gold nanoparticle-based tool to study protein conformational variants: implications in hemoglobinopathy.
Topics: Animals; Cattle; Fluorescence; Gold; Hemoglobinopathies; Hemoglobins; Humans; Nanoparticles; Particle Size; Protein Conformation; Protein Folding; Serum Albumin, Bovine; Surface Plasmon Resonance; Tryptophan; Tyrosine; Urea | 2007 |
The stacking tryptophan of galactose oxidase: a second-coordination sphere residue that has profound effects on tyrosyl radical behavior and enzyme catalysis.
Topics: Binding Sites; Catalysis; Crystallography, X-Ray; Free Radicals; Galactose; Galactose Oxidase; Kinetics; Molecular Structure; Mutation; Oxidation-Reduction; Protein Structure, Secondary; Spectrophotometry, Atomic; Substrate Specificity; Tryptophan; Tyrosine | 2007 |
Photodynamic properties of dipeptide-modified hypocrellin B derivatives: the role of tyrosine and tryptophan groups.
Topics: Anions; DNA; Electron Spin Resonance Spectroscopy; Free Radicals; Molecular Structure; Oxygen; Perylene; Photochemistry; Photochemotherapy; Quantum Theory; Quinones; Sensitivity and Specificity; Tryptophan; Tyrosine; Ultraviolet Rays | 2007 |
Denaturation of protein by chlorine dioxide: oxidative modification of tryptophan and tyrosine residues.
Topics: Amino Acid Sequence; Chlorine Compounds; Circular Dichroism; Glucosephosphate Dehydrogenase; Hot Temperature; Mass Spectrometry; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Oxides; Peptide Fragments; Protein Denaturation; Proteins; Serum Albumin, Bovine; Solubility; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2007 |
Simultaneous determination of tyramine and tryptamine and their precursor amino acids by micellar liquid chromatography and pulsed amperometric detection in wines.
Topics: Biogenic Amines; Chromatography, High Pressure Liquid; Hydrogen-Ion Concentration; Micelles; Reproducibility of Results; Tryptamines; Tryptophan; Tyramine; Tyrosine; Wine | 2007 |
Interplay of oxygen, vitamin E, and carotenoids in radical reactions following oxidation of Trp and Tyr residues in native HDL3 apolipoproteins. Comparison with LDL. A time-resolved spectroscopic analysis.
Topics: Carotenoids; Lipoproteins, HDL3; Lipoproteins, LDL; Oxidation-Reduction; Oxygen; Tryptophan; Tyrosine; Vitamin E | 2007 |
Ab initio study of the excited-state deactivation pathways of protonated tryptophan and tyrosine.
Topics: Isomerism; Models, Molecular; Photochemistry; Protons; Thermodynamics; Tryptophan; Tyrosine; Ultraviolet Rays | 2007 |
Fabrication and characterization of open-tubular CEC modified with tentacle-type metal-chelating polymer chains.
Topics: Allantoin; Capillary Electrochromatography; Chelating Agents; Creatinine; Electroosmosis; Epoxy Compounds; Hypoxanthine; Imino Acids; Methacrylates; Phenylalanine; Polymethacrylic Acids; Reproducibility of Results; Siloxanes; Tryptophan; Tyrosine | 2007 |
New insights in the interpretation of tryptophan fluorescence : origin of the fluorescence lifetime and characterization of a new fluorescence parameter in proteins: the emission to excitation ratio.
Topics: Animals; Cattle; Fluorescence; Humans; In Vitro Techniques; Protein Conformation; Proteins; Serum Albumin, Bovine; Solutions; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Water | 2007 |
Structure-function analysis of secreted frizzled-related protein-1 for its Wnt antagonist function.
Topics: Amino Acid Sequence; Amino Acid Substitution; Cell Line, Tumor; Conserved Sequence; Gene Deletion; Genes, Reporter; Humans; Intercellular Signaling Peptides and Proteins; Luciferases; Membrane Proteins; Molecular Sequence Data; Mutant Chimeric Proteins; Osteosarcoma; Plasmids; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Structure-Activity Relationship; Transfection; Tryptophan; Tyrosine; Wnt Proteins | 2007 |
Donor-acceptor distance-dependence of photoinduced electron-transfer rate in flavoproteins.
Topics: Acyl-CoA Dehydrogenase; Electron Transport; Flavins; Flavodoxin; Glucose Oxidase; Membrane Transport Proteins; Models, Molecular; Photochemistry; Protein Conformation; Tryptophan; Tyrosine | 2007 |
Deep brain stimulation of the lateral habenula in treatment resistant major depression.
Topics: Animals; Antidepressive Agents; Deep Brain Stimulation; Depression; Depressive Disorder, Major; Electric Stimulation; Electrophysiology; Habenula; Humans; Models, Theoretical; Positron-Emission Tomography; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 2007 |
Picosecond protein response to the chromophore isomerization of photoactive yellow protein: selective observation of tyrosine and tryptophan residues by time-resolved ultraviolet resonance Raman spectroscopy.
Topics: Bacterial Proteins; Photoreceptors, Microbial; Protein Structure, Secondary; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Time Factors; Tryptophan; Tyrosine | 2007 |
Miconazole induces changes in actin cytoskeleton prior to reactive oxygen species induction in yeast.
Topics: Actins; Cytoskeleton; DNA, Fungal; Miconazole; Mutagenesis; Phenylalanine; Reactive Oxygen Species; Saccharomyces cerevisiae; Sequence Deletion; Tryptophan; Tyrosine | 2007 |
o-Nitrotyrosine and p-iodophenylalanine as spectroscopic probes for structural characterization of SH3 complexes.
Topics: Circular Dichroism; Fluorescence Resonance Energy Transfer; Peptides; Phenylalanine; Protein Binding; Proteins; src Homology Domains; Tryptophan; Tyrosine | 2007 |
An alternate high yielding purification method for Clitoria ternatea lectin.
Topics: alpha-Fetoproteins; Amino Acid Sequence; Asialoglycoproteins; Buffers; Chromatography, Affinity; Chromatography, High Pressure Liquid; Clitoria; Electrophoresis, Polyacrylamide Gel; Fetuins; Hemagglutination Tests; Humans; Hydrogen-Ion Concentration; Inhibitory Concentration 50; Molecular Weight; Plant Lectins; Seeds; Sequence Analysis, Protein; Spectrometry, Fluorescence; Tromethamine; Tryptophan; Tyrosine | 2007 |
Total anti-oxidant capacity of cell culture media.
Topics: Antioxidants; Benzothiazoles; Chlorides; Colorimetry; Culture Media; Cysteine; Ferric Compounds; Oxidation-Reduction; Phenolsulfonphthalein; Spectrophotometry; Sulfonic Acids; Thiazoles; Tryptophan; Tyrosine | 2007 |
Electron transfer from aromatic amino acids to triplet quinones.
Topics: Amino Acids, Aromatic; Anthraquinones; Benzoquinones; Electron Transport; Free Radicals; Halogens; Hydrogen Peroxide; Indoles; Kinetics; Methylation; Naphthoquinones; Oxidation-Reduction; Oxygen; Quinones; Spectrum Analysis; Tryptophan; Tyrosine; Ultraviolet Rays | 2007 |
Complexation of Al(III) by aromatic amino acids in the gas phase.
Topics: Alanine; Aluminum; Amino Acids; Cations; Metals; Models, Chemical; Models, Molecular; Molecular Conformation; Nitrogen; Oxygen; Phenylalanine; Software; Solvents; Tryptophan; Tyrosine | 2007 |
Methionine sulfoxide reductase from the hyperthermophilic archaeon Thermococcus kodakaraensis, an enzyme designed to function at suboptimal growth temperatures.
Topics: Amino Acid Sequence; Archaeal Proteins; Catalysis; Circular Dichroism; Enzyme Stability; Gene Expression Regulation, Archaeal; Gene Expression Regulation, Enzymologic; Hydrogen-Ion Concentration; Kinetics; Methionine Sulfoxide Reductases; Molecular Sequence Data; Oxidoreductases; Oxygen; Recombinant Proteins; Sequence Homology, Amino Acid; Spectrometry, Fluorescence; Stereoisomerism; Substrate Specificity; Temperature; Thermococcus; Tryptophan; Tyrosine | 2007 |
Spectrophotometric resolution of ternary mixtures of tryptophan, tyrosine, and histidine with the aid of principal component-artificial neural network models.
Topics: Ferricyanides; Histidine; Neural Networks, Computer; Oxidation-Reduction; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2007 |
A conserved tyrosine in the beta2 subunit M4 segment is a determinant of gamma-aminobutyric acid type A receptor sensitivity to propofol.
Topics: Amino Acid Sequence; Anesthetics, General; Anesthetics, Intravenous; Cells, Cultured; Etomidate; Humans; Infusion Pumps; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Patch-Clamp Techniques; Pregnenolone; Propofol; Receptors, GABA-A; Transfection; Tryptophan; Tyrosine | 2007 |
Liquid chromatography method for detecting native fluorescent bioamines in urine using post-column derivatization and intramolecular FRET detection.
Topics: Biogenic Amines; Catecholamines; Chromatography, Liquid; Dopamine; Fluorescence; Fluorescence Resonance Energy Transfer; Humans; Normetanephrine; o-Phthalaldehyde; Reproducibility of Results; Tryptophan; Tyramine; Tyrosine | 2007 |
Two-step folding of recombinant mitochondrial porin in detergent.
Topics: Circular Dichroism; Detergents; Fluorescence; Histidine; Liposomes; Mitochondrial Swelling; Neurospora crassa; Oligopeptides; Peptide Hydrolases; Protein Denaturation; Protein Folding; Recombinant Proteins; Solubility; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Voltage-Dependent Anion Channels | 2008 |
The roles of Tyr(CD1) and Trp(G8) in Mycobacterium tuberculosis truncated hemoglobin O in ligand binding and on the heme distal site architecture.
Topics: Amino Acid Substitution; Bacterial Proteins; Binding Sites; Crystallography, X-Ray; DNA Primers; Heme; Hemoglobins; Hydrogen Bonding; Ligands; Mutagenesis; Spectrum Analysis, Raman; Truncated Hemoglobins; Tryptophan; Tyrosine | 2007 |
PKA-I holoenzyme structure reveals a mechanism for cAMP-dependent activation.
Topics: Adenine; Amino Acid Motifs; Amino Acid Sequence; Arginine; Binding Sites; Catalytic Domain; Crystallography, X-Ray; Cyclic AMP; Cyclic AMP-Dependent Protein Kinase RIalpha Subunit; Cyclic AMP-Dependent Protein Kinases; Enzyme Activation; Glutamic Acid; Holoenzymes; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2007 |
Quenching of the fluorescence of Tyr and Trp residues of firefly luciferase from Luciola mingrelica by the substrates.
Topics: Adenosine Triphosphate; Animals; Binding Sites; Fireflies; Firefly Luciferin; Fluorescence; Luciferases, Firefly; Models, Molecular; Substrate Specificity; Tryptophan; Tyrosine | 2007 |
Self-assembly of the octapeptide lanreotide and lanreotide-based derivatives: the role of the aromatic residues.
Topics: Amyloid; Fluorescence Resonance Energy Transfer; Humans; Models, Chemical; Nanotubes; Peptides; Peptides, Cyclic; Protein Conformation; Protein Structure, Secondary; Somatostatin; Spectrometry, Fluorescence; Spectrophotometry; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2008 |
The reactivity of heme in biological systems: autocatalytic formation of both tyrosine-heme and tryptophan-heme covalent links in a single protein architecture.
Topics: Amino Acid Sequence; Ascorbate Peroxidases; Catalysis; Chromatography, High Pressure Liquid; Electron Spin Resonance Spectroscopy; Glycine max; Heme; Hydrogen Peroxide; Mass Spectrometry; Models, Molecular; Molecular Sequence Data; Oxidation-Reduction; Peroxidases; Recombinant Proteins; Tryptophan; Tyrosine | 2007 |
Comparison of the chemical and thermal denaturation of proteins by a two-state transition model.
Topics: Bacterial Proteins; Calorimetry, Differential Scanning; Escherichia coli Proteins; Guanidine; Haemophilus influenzae; Hot Temperature; Phosphoric Monoester Hydrolases; Protein Conformation; Protein Denaturation; Protein Folding; RNA-Binding Proteins; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Determination of enantiomeric compositions of analytes using novel fluorescent chiral molecular micelles and steady state fluorescence measurements.
Topics: Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Glucose; Micelles; Molecular Structure; Phenylalanine; Serine; Spectrometry, Fluorescence; Stereoisomerism; Surface-Active Agents; Tartrates; Tryptophan; Tyrosine | 2008 |
pH induces thermal unfolding of UTI: an implication of reversible and irreversible mechanism based on the analysis of thermal stability, thermodynamic, conformational characterization.
Topics: Chromatography, High Pressure Liquid; Circular Dichroism; Fluorescence; Glycoproteins; Hydrogen-Ion Concentration; Microscopy, Electron; Protein Conformation; Protein Folding; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Thermodynamics; Trypsin Inhibitors; Tryptophan; Tyrosine | 2008 |
Transcriptome analysis of a phenol-producing Pseudomonas putida S12 construct: genetic and physiological basis for improved production.
Topics: Gene Deletion; Gene Expression Profiling; Metabolic Networks and Pathways; Mutagenesis, Insertional; Phenol; Phenylpyruvic Acids; Pseudomonas putida; Tryptophan; Tyrosine; Tyrosine Phenol-Lyase; Up-Regulation | 2008 |
Albumin-bound quercetin repairs vitamin E oxidized by apolipoprotein radicals in native HDL3 and LDL.
Topics: Apolipoprotein A-I; Apolipoprotein A-II; Free Radicals; Humans; Kinetics; Lipoproteins, HDL3; Lipoproteins, LDL; Oxidation-Reduction; Protein Binding; Quercetin; Serum Albumin; Tryptophan; Tyrosine; Vitamin E | 2007 |
Site-directed circular dichroism of proteins: 1Lb bands of Trp resolve position-specific features in tear lipocalin.
Topics: Absorption; Apoproteins; Circular Dichroism; Dimethyl Sulfoxide; Humans; Lipocalin 1; Mutagenesis, Site-Directed; Mutant Proteins; Mutation; Peptide Mapping; Sensitivity and Specificity; Solvents; Tryptophan; Tyrosine; Ultraviolet Rays | 2008 |
Peptide sequence and conformation strongly influence tryptophan fluorescence.
Topics: Acrylamides; Biophysics; Computational Biology; Guanidine; Iodides; Molecular Conformation; Normal Distribution; Peptides; Spectrometry, Fluorescence; Temperature; Time Factors; Tryptophan; Tyrosine; Urea | 2008 |
Unique fluorophores in the dimeric archaeal histones hMfB and hPyA1 reveal the impact of nonnative structure in a monomeric kinetic intermediate.
Topics: Archaeal Proteins; Circular Dichroism; Dimerization; Histones; Kinetics; Methanobacteriales; Mutant Proteins; Protein Folding; Protein Structure, Secondary; Pyrococcus; Tryptophan; Tyrosine | 2008 |
Resolution of racemic phenylalanine, tyrosine, and tryptophan.
Topics: Phenylalanine; Tryptophan; Tyrosine | 1949 |
The electrochemical behavior and direct determination of tyrosine at a glassy carbon electrode modified with poly (9-aminoacridine).
Topics: Aminacrine; Aminoacridines; Carbon; Electrochemistry; Electrodes; Hydrogen-Ion Concentration; Oxidation-Reduction; Tryptophan; Tyrosine | 2007 |
pH sensitivity of type III secretion system tip proteins.
Topics: Amino Acid Sequence; Anilino Naphthalenesulfonates; Bacterial Outer Membrane Proteins; Bacterial Proteins; Burkholderia pseudomallei; Circular Dichroism; Hydrogen-Ion Concentration; Molecular Sequence Data; Protein Conformation; Protein Structure, Secondary; Protein Structure, Tertiary; Pseudomonas aeruginosa; Recombinant Proteins; Salmonella; Sequence Homology, Amino Acid; Shigella flexneri; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Tryptophan; Tyrosine; Yersinia | 2008 |
Physiological effects of anti-TRAP protein activity and tRNA(Trp) charging on trp operon expression in Bacillus subtilis.
Topics: Bacillus subtilis; Bacterial Proteins; Culture Media; Gene Expression Regulation, Bacterial; Kinetics; Models, Biological; Mutation; Operon; Phenylalanine; Reverse Transcriptase Polymerase Chain Reaction; RNA-Binding Proteins; RNA, Transfer, Trp; Transcription Factors; Transcription, Genetic; Tryptophan; Tyrosine | 2008 |
Stacking efficiency and flexibility analysis of aromatic amino acids in cap-binding proteins.
Topics: Algorithms; Amino Acids, Aromatic; Crystallography, X-Ray; Guanosine; Ligands; Methylation; Models, Molecular; Molecular Structure; Neural Networks, Computer; Protein Binding; Protein Structure, Secondary; Quantum Theory; RNA Cap-Binding Proteins; RNA Caps; Tryptophan; Tyrosine; Water | 2008 |
The Trp-cage: optimizing the stability of a globular miniprotein.
Topics: Amino Acid Sequence; Circular Dichroism; Hydrogen Bonding; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Proline; Protein Folding; Protein Structure, Secondary; Thermodynamics; Tryptophan; Tyrosine | 2008 |
High-performance liquid chromatography with fluorescence detection for quantitation of tryptophan and tyrosine in a shrimp waste protein concentrate.
Topics: Animals; Chromatography, High Pressure Liquid; Fermentation; Food Handling; Hydrolysis; Penaeidae; Proteins; Reference Standards; Reproducibility of Results; Shellfish; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Waste Products | 2008 |
[Simultaneous resolution and determination of tyrosine, tryptophan and phenylalanine by alternating penalty trilinear decomposition algorithm coupled with 3D emission-excitation matrix fluorometry].
Topics: Algorithms; Chlorhexidine; Phenylalanine; Plant Leaves; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2007 |
Characterization of Ni(II) complexes of Schiff bases of amino acids and (S)-N-(2-benzoylphenyl)-1-benzylpyrrolidine-2-carboxamide using ion trap and QqTOF electrospray ionization tandem mass spectrometry.
Topics: Nickel; Pyrrolidines; Schiff Bases; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2008 |
Characterization of ligand-binding properties of the human BMP type II receptor extracellular domain.
Topics: Activin Receptors, Type II; Alanine; Amino Acid Sequence; Amino Acid Substitution; Bone Morphogenetic Protein Receptors, Type II; Conserved Sequence; Humans; Hydrophobic and Hydrophilic Interactions; Ligands; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2008 |
How alpha-crystallin prevents the aggregation of insulin.
Topics: alpha-Crystallins; Anilino Naphthalenesulfonates; Animals; Cattle; Fluorescence; Fluorescent Dyes; Insulin; Light; Protein Denaturation; Scattering, Radiation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2008 |
A theoretical study on the quenching mechanisms of triplet state riboflavin by tryptophan and tyrosine.
Topics: Photochemistry; Riboflavin; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Characterization of a three-component coupling reaction on proteins by isotopic labeling and nuclear magnetic resonance spectroscopy.
Topics: Carbon Radioisotopes; Chymotrypsinogen; Cysteine; Formaldehyde; Humans; Isotope Labeling; Muramidase; Nuclear Magnetic Resonance, Biomolecular; Papain; Protein Conformation; Proteins; Thioredoxins; Tryptophan; Tyrosine | 2008 |
Analysis of protein-based media commonly found in paintings using synchronous fluorescence spectroscopy combined with multivariate statistical analysis.
Topics: Amino Acids; Multivariate Analysis; Paintings; Phenylalanine; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2008 |
Site-directed mutagenesis of conserved C-terminal tyrosine and tryptophan residues of PsbO, the photosystem II manganese-stabilizing protein, alters its activity and fluorescence properties.
Topics: Circular Dichroism; Conserved Sequence; Manganese; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Photosystem II Protein Complex; Plant Proteins; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Spinacia oleracea; Tryptophan; Tyrosine | 2008 |
Homology modeling and site-directed mutagenesis to identify selective inhibitors of endothelin-converting enzyme-2.
Topics: Amino Acid Sequence; Aspartic Acid Endopeptidases; Catalytic Domain; Conserved Sequence; Endothelin-Converting Enzymes; Glycopeptides; Kinetics; Metalloendopeptidases; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Neprilysin; Protein Conformation; Quinolines; Quinoxalines; Recombinant Proteins; Sequence Homology, Amino Acid; Small Molecule Libraries; Structure-Activity Relationship; Tryptophan; Tyrosine | 2008 |
Enantioseparation of beta-methyl-substituted amino acids with cyclodextrins by capillary zone electrophoresis.
Topics: Amino Acids; Aminobutyrates; Cyclodextrins; Electrophoresis, Capillary; Hydrogen-Ion Concentration; Stereoisomerism; Tryptophan; Tyrosine | 2008 |
Structural basis for controlling the dimerization and stability of the WW domains of an atypical subfamily.
Topics: Adaptor Proteins, Signal Transducing; Amino Acid Motifs; Amino Acid Sequence; Amino Acid Substitution; Cell Adhesion Molecules; Cell Adhesion Molecules, Neuronal; Cell Cycle Proteins; Dimerization; Genetic Variation; Guanylate Kinases; Hot Temperature; Humans; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Molecular Sequence Data; Molecular Weight; Phenylalanine; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Serine; Tryptophan; Tyrosine | 2008 |
Amino acids and the brain: do they play a role in "central fatigue"?
Topics: Amino Acids, Branched-Chain; Animals; Blood-Brain Barrier; Brain; Dopamine; Exercise; Fatigue; Humans; Neurotransmitter Agents; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 2007 |
Biochemistry. Electron relay in proteins.
Topics: Azurin; Copper; Electrons; Energy Transfer; Models, Chemical; Oxidation-Reduction; Protons; Rhenium; Ribonucleotide Reductases; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Tryptophan-accelerated electron flow through proteins.
Topics: Azurin; Copper; Crystallography, X-Ray; Electrons; Energy Transfer; Kinetics; Ligands; Models, Chemical; Mutant Proteins; Oxidation-Reduction; Phenylalanine; Pseudomonas aeruginosa; Rhenium; Spectrum Analysis; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Effect of pH on aqueous phenylalanine studied using a 265-nm pulsed light-emitting diode.
Topics: Carbon; Equipment Design; Hydrogen-Ion Concentration; Light; Methanol; Molecular Conformation; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2008 |
Gradient elution isotachophoresis with direct ultraviolet absorption detection for sensitive amino acid analysis.
Topics: Amino Acids; Electrophoresis; Electrophoresis, Capillary; Models, Theoretical; Molecular Structure; Reproducibility of Results; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2008 |
Oxidative alternations in rat heart homogenate and mitochondria during ageing.
Topics: Aging; Anilino Naphthalenesulfonates; Animals; Electron Transport Complex IV; Fluorescent Dyes; Lipid Peroxidation; Lysine; Male; Mitochondria, Heart; Myocardium; Oxidation-Reduction; Rats; Rats, Wistar; Thiobarbituric Acid Reactive Substances; Tryptophan; Tyrosine | 2008 |
Effect of polarization on the opsin shift in rhodopsins. 2. Empirical polarization models for proteins.
Topics: Computational Biology; Models, Molecular; Optics and Photonics; Proteins; Protons; Quantum Theory; Rhodopsin; Schiff Bases; Solvents; Spectrum Analysis; Static Electricity; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Indirect photodegradation of dissolved free amino acids: the contribution of singlet oxygen and the differential reactivity of DOM from various sources.
Topics: Amino Acids; Benzopyrans; Carbon; Chromatography, High Pressure Liquid; Fresh Water; Histidine; Humic Substances; Hydrogen Peroxide; Kinetics; Methionine; Organic Chemicals; Photolysis; Singlet Oxygen; Tryptophan; Tyrosine | 2008 |
Aromatic amino acid-dependent expression of indole-3-pyruvate decarboxylase is regulated by TyrR in Enterobacter cloacae UW5.
Topics: Amino Acid Sequence; Amino Acids, Aromatic; Bacterial Proteins; Base Sequence; Carboxy-Lyases; Electrophoretic Mobility Shift Assay; Enterobacter cloacae; Gene Expression Regulation, Bacterial; Indoleacetic Acids; Mutation; Phenylalanine; Promoter Regions, Genetic; Protein Binding; Reverse Transcriptase Polymerase Chain Reaction; Sequence Alignment; Sequence Analysis, DNA; Tryptophan; Tyrosine | 2008 |
Critical amino acids for the 8(R)-dioxygenase activity of linoleate diol synthase. A comparison with cyclooxygenases.
Topics: Amino Acid Sequence; Animals; Ascomycota; Catalysis; Fungal Proteins; Histidine; Molecular Sequence Data; Oxygenases; Prostaglandin-Endoperoxide Synthases; Rats; Sequence Alignment; Tryptophan; Tyrosine | 2008 |
Dissociations of copper(II)-containing complexes of aromatic amino acids: radical cations of tryptophan, tyrosine, and phenylalanine.
Topics: Amino Acids, Aromatic; Copper; Organometallic Compounds; Phenylalanine; Protons; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Macrocyclic inhibitors for the serine protease plasmin.
Topics: Binding Sites; Cyclohexanones; Drug Design; Fibrinolysin; Inhibitory Concentration 50; Macrocyclic Compounds; Models, Chemical; Peptides; Serine Proteinase Inhibitors; Substrate Specificity; Tryptophan; Tyrosine | 2009 |
Dissociation of the N-C(alpha) bond and competitive formation of the [z(n) - H](+) and [c(n) + 2H](+) product ions in radical peptide ions containing tyrosine and tryptophan: the influence of proton affinities on product formation.
Topics: Free Radicals; Molecular Structure; Oligopeptides; Peptide Fragments; Protons; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Thermodynamics; Tryptophan; Tyrosine | 2008 |
Chlorine dioxide reaction with selected amino acids in water.
Topics: Amino Acids; Chlorine Compounds; Disinfectants; Histidine; Oxides; Oxygen; Tryptophan; Tyrosine; Water | 2009 |
Quenching mechanisms and kinetics of Trolox and ascorbic acid on the riboflavin-photosensitized oxidation of tryptophan and tyrosine.
Topics: Ascorbic Acid; Chromans; Kinetics; Oxidation-Reduction; Photochemistry; Riboflavin; Singlet Oxygen; Tryptophan; Tyrosine | 2008 |
Molecular basis of the interaction of Saccharomyces cerevisiae Eaf3 chromo domain with methylated H3K36.
Topics: Acetyltransferases; Amino Acid Sequence; Calorimetry; DNA Methylation; Histones; Humans; Kinetics; Molecular Sequence Data; Protein Structure, Secondary; Protein Structure, Tertiary; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Sequence Homology, Amino Acid; Static Electricity; Transcription Factors; Tryptophan; Tyrosine | 2008 |
Purification and characterization of a novel protease from the latex of Pedilanthus tithymaloids.
Topics: Ammonium Sulfate; Chromatography, Ion Exchange; Dithionitrobenzoic Acid; Electrophoresis, Polyacrylamide Gel; Enzyme Activators; Euphorbiaceae; Hydrogen-Ion Concentration; Latex; Peptide Hydrolases; Plant Proteins; Protein Stability; Spectrophotometry; Substrate Specificity; Temperature; Tryptophan; Tyrosine | 2008 |
Comparison of the folding mechanism of highly homologous proteins in the lipid-binding protein family.
Topics: Animals; Carrier Proteins; Humans; Hydroxysteroid Dehydrogenases; Kinetics; Membrane Glycoproteins; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Protein Folding; Protein Structure, Secondary; Rats; Recombinant Proteins; Sequence Homology, Amino Acid; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine; Urea | 2009 |
The effect of the mode of delivery on maternal-neonatal interleukin-6, biogenic amine and their precursor amino acid concentrations.
Topics: Adult; Amino Acids, Aromatic; Antioxidants; Biogenic Amines; Blood Pressure; Catecholamines; Cesarean Section; Creatine Kinase; Delivery, Obstetric; Female; Fetal Blood; Heart Rate; Humans; Infant, Newborn; Interleukin-6; Lipids; Liver; Natural Childbirth; Phenylalanine; Pregnancy; Serotonin; Tryptophan; Tyrosine; Young Adult | 2008 |
Interaction of the aromatics Tyr-72/Trp-288 in the interface of the extracellular and transmembrane domains is essential for proton gating of acid-sensing ion channels.
Topics: Acid Sensing Ion Channels; Animals; Ion Channel Gating; Mutation, Missense; Nerve Tissue Proteins; Protein Structure, Secondary; Protein Structure, Tertiary; Protons; Rats; Sodium Channels; Tryptophan; Tyrosine; Xenopus | 2009 |
A haemagglutinin from the medicinal fungus Cordyceps militaris.
Topics: Carcinoma, Hepatocellular; Cell Line, Tumor; Cell Proliferation; Cordyceps; Dose-Response Relationship, Drug; Fruiting Bodies, Fungal; Hemagglutinins; HIV Reverse Transcriptase; Humans; Inhibitory Concentration 50; Liver Neoplasms; Microbial Sensitivity Tests; Molecular Weight; Protein Stability; Ribonucleases; Sequence Analysis, Protein; Temperature; Tryptophan; Tyrosine | 2009 |
Computational studies of the photophysics of neutral and zwitterionic amino acids in an aqueous environment: tyrosine-(H(2)O)(2) and tryptophan-(H(2)O)(2) clusters.
Topics: Carbon; Models, Molecular; Molecular Conformation; Nitrogen; Photolysis; Protons; Solvents; Thermodynamics; Tryptophan; Tyrosine; Water | 2009 |
Efficient repair of protein radicals by ascorbate.
Topics: Animals; Ascorbic Acid; Cattle; Chymotrypsin; In Vitro Techniques; Insulin; Lactoglobulins; Oxidative Stress; Pepsin A; Protein Binding; Protein Processing, Post-Translational; Pulse Radiolysis; Reactive Nitrogen Species; Reactive Oxygen Species; Serum Albumin, Bovine; Swine; Tryptophan; Tyrosine | 2009 |
Bimane fluorescence scanning suggests secondary structure near the S3-S4 linker of BK channels.
Topics: Amino Acid Sequence; Animals; Bridged Bicyclo Compounds, Heterocyclic; CHO Cells; Cricetinae; Cricetulus; Fluorescent Dyes; Large-Conductance Calcium-Activated Potassium Channels; Mice; Models, Molecular; Molecular Sequence Data; Molecular Structure; Mutagenesis, Site-Directed; Protein Structure, Secondary; Sequence Alignment; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2009 |
L-Carnitine in the lipid and protein protection against ethanol-induced oxidative stress.
Topics: Aldehydes; Animals; Antioxidants; Carnitine; Ethanol; Glutathione; Lipid Metabolism; Lipid Peroxidation; Liver; Male; Malondialdehyde; Oxidative Stress; Proteins; Rats; Rats, Wistar; Tryptophan; Tyrosine; Vitamin E | 2009 |
Hydration of protonated aromatic amino acids: phenylalanine, tryptophan, and tyrosine.
Topics: Binding Sites; Mass Spectrometry; Models, Molecular; Molecular Structure; Phenylalanine; Quantum Theory; Thermodynamics; Tryptophan; Tyrosine; Water | 2009 |
Characterization of putative tryptophan monooxygenase from Ralstonia solanacearum [corrected].
Topics: Amino Acid Oxidoreductases; Amino Acid Sequence; Bacterial Proteins; Deamination; Decarboxylation; Enzyme Precursors; Escherichia coli; Flavoproteins; Kinetics; Methionine; Models, Structural; Molecular Sequence Data; Phenylalanine; Ralstonia solanacearum; Sequence Alignment; Substrate Specificity; Transformation, Bacterial; Tryptophan; Tryptophan Hydroxylase; Tyrosine | 2009 |
Analyte separation by OMNiMIPs imprinted with multiple templates.
Topics: Binding Sites; Molecular Imprinting; Molecular Structure; Naphthols; Polymers; Serine; Stereoisomerism; Surface Properties; Tryptophan; Tyrosine | 2009 |
Aberrant amino acid transport in fibroblasts from patients with bipolar disorder.
Topics: Adult; Biological Transport, Active; Bipolar Disorder; Cells, Cultured; Female; Fibroblasts; Humans; Male; Skin; Tryptophan; Tyrosine | 2009 |
Role of cetyltrimethylammonium bromide (cationic surfactant) on the tryptophan-MnO4(-) reaction.
Topics: Catalysis; Cetrimonium; Cetrimonium Compounds; Manganese Compounds; Oxidation-Reduction; Oxides; Phenylalanine; Surface-Active Agents; Tryptophan; Tyrosine | 2009 |
Meal ingestion, amino acids and brain neurotransmitters: effects of dietary protein source on serotonin and catecholamine synthesis rates.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain Chemistry; Caseins; Catecholamines; Cerebral Cortex; Diet; Dietary Proteins; Eating; Glutens; Kinetics; Leucine; Male; Neurotransmitter Agents; Rats; Rats, Sprague-Dawley; Serotonin; Soybean Proteins; Tryptophan; Tyrosine | 2009 |
Studies on an antifungal protein and a chromatographically and structurally related protein isolated from the culture broth of Bacillus amyloliquefaciens.
Topics: Antifungal Agents; Ascomycota; Bacillus; Bacterial Proteins; Cell Proliferation; Chromatography, Ion Exchange; Hep G2 Cells; HIV Reverse Transcriptase; Inhibitory Concentration 50; Peptide Hydrolases; Peptides; Tryptophan; Tyrosine | 2009 |
Serotonin shapes risky decision making in monkeys.
Topics: Analysis of Variance; Animals; Attention; Behavior, Animal; Chromatography, High Pressure Liquid; Decision Making; Dietary Supplements; Electrochemistry; Games, Experimental; Macaca; Photic Stimulation; Reward; Risk-Taking; Saccades; Serotonin; Tryptophan; Tyrosine | 2009 |
Plasma tryptophan and tyrosine levels are independent risk factors for delirium in critically ill patients.
Topics: Aged; Amino Acid Transport System L; Analysis of Variance; Critical Illness; Delirium; Disease Progression; Female; Humans; Logistic Models; Male; Markov Chains; Middle Aged; Phenylalanine; Pilot Projects; Predictive Value of Tests; Regression Analysis; Risk Assessment; Risk Factors; Severity of Illness Index; Tennessee; Time Factors; Tryptophan; Tyrosine | 2009 |
Elucidating the exact role of engineered CRABPII residues for the formation of a retinal protonated Schiff base.
Topics: Amino Acid Substitution; Arginine; Base Sequence; Binding Sites; Crystallography, X-Ray; DNA Primers; Models, Molecular; Mutagenesis, Site-Directed; Protein Engineering; Protons; Receptors, Retinoic Acid; Recombinant Proteins; Retinaldehyde; Schiff Bases; Spectrometry, Fluorescence; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Static Electricity; Tryptophan; Tyrosine | 2009 |
Amidation of bioactive peptides: the structure of the lyase domain of the amidating enzyme.
Topics: Alanine; Amidine-Lyases; Amino Acid Sequence; Amino Acid Substitution; Animals; Arginine; Binding Sites; Calcium; CHO Cells; Cricetinae; Cricetulus; Crystallography, X-Ray; Glycine; Hippurates; Histidine; Hydrophobic and Hydrophilic Interactions; Kinetics; Lyases; Methionine; Models, Chemical; Models, Molecular; Molecular Sequence Data; Peptides; Protein Binding; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Rats; Reproducibility of Results; Substrate Specificity; Transfection; Tryptophan; Tyrosine; Zinc | 2009 |
Ferritin-dependent radical generation in rat liver homogenates.
Topics: Adenosine Triphosphate; Animals; Antioxidants; Ascorbic Acid; Chelating Agents; Dehydroascorbic Acid; Edetic Acid; Electron Spin Resonance Spectroscopy; Ferritins; Hydroxyl Radical; Iron; Kinetics; Liver; Male; Microsomes, Liver; Oxidation-Reduction; Protein Conformation; Rats; Rats, Wistar; Sulfhydryl Compounds; Tryptophan; Tyrosine | 2009 |
Enhancement of L-tryptophan 5-hydroxylation activity by structure-based modification of L-phenylalanine 4-hydroxylase from Chromobacterium violaceum.
Topics: Amino Acid Sequence; Animals; Catalase; Cattle; Chromobacterium; Hydroxylation; Kinetics; Molecular Sequence Data; Mutation; Phenylalanine; Phenylalanine Hydroxylase; Protein Conformation; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Tryptophan; Tyrosine | 2009 |
Picosecond time-resolved ultraviolet resonance Raman spectroscopy of bacteriorhodopsin: primary protein response to the photoisomerization of retinal.
Topics: Bacteriorhodopsins; Catalytic Domain; Hydrogen Bonding; Light; Photochemistry; Photoreceptors, Microbial; Retinaldehyde; Spectrum Analysis, Raman; Time Factors; Tryptophan; Tyrosine | 2009 |
Controlling peptide folding with repulsive interactions between phosphorylated amino acids and tryptophan.
Topics: Circular Dichroism; Glutamic Acid; Hydrogen-Ion Concentration; Nuclear Magnetic Resonance, Biomolecular; Peptides; Phosphorylation; Phosphoserine; Protein Folding; Protein Processing, Post-Translational; Serine; Threonine; Tryptophan; Tyrosine | 2009 |
A tyrosine O-prenyltransferase catalyses the first pathway-specific step in the biosynthesis of sirodesmin PL.
Topics: Ascomycota; Cloning, Molecular; Dimethylallyltranstransferase; DNA, Fungal; Escherichia coli; Fungal Proteins; Piperazines; Prenylation; Sequence Analysis, DNA; Substrate Specificity; Tryptophan; Tyrosine | 2010 |
Real time monitoring of sickle cell hemoglobin fiber formation by UV resonance Raman spectroscopy.
Topics: Amino Acid Substitution; Anemia, Sickle Cell; Crystallography, X-Ray; Hemoglobin, Sickle; Hemolysis; Humans; Kinetics; Models, Molecular; Mutation; Phenylalanine; Protein Conformation; Protein Subunits; Spectrum Analysis, Raman; Tryptophan; Tyrosine | 2009 |
Ultrafast deactivation mechanisms of protonated aromatic amino acids following UV excitation.
Topics: Amino Acids, Aromatic; Hydrogen; Kinetics; Mass Spectrometry; Models, Molecular; Protons; Tryptophan; Tyrosine; Ultraviolet Rays | 2005 |
Use of the SPhos ligand to suppress racemization in arylpinacolboronate ester Suzuki couplings involving alpha-amino acids. Synthesis of biaryl derivatives of 4-hydroxyphenylglycine, tyrosine, and tryptophan.
Topics: Amino Acids; Boronic Acids; Esters; Glycine; Hydrocarbons, Aromatic; Ligands; Organic Chemistry Phenomena; Tryptophan; Tyrosine | 2009 |
AMINO ACID COMPOSITION OF HIGHLY PURIFIED VIRAL PARTICLES OF INFLUENZA A AND B.
Topics: Alanine; Amino Acids; Arginine; Aspartic Acid; Glutamates; Glycine; Histidine; Humans; Influenza, Human; Isoleucine; Leucine; Lysine; Methionine; Orthomyxoviridae; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Tyrosine; Valine; Virion | 1947 |
Proline-beta(3)-amino-ester dipeptides as efficient catalysts for enantioselective direct aldol reaction in aqueous medium.
Topics: Aldehydes; Benzaldehydes; Catalysis; Chromatography, High Pressure Liquid; Cyclohexanones; Dipeptides; Esters; Hydrophobic and Hydrophilic Interactions; Magnetic Resonance Spectroscopy; Proline; Stereoisomerism; Tryptophan; Tyrosine; Water | 2009 |
Fluorescent analogues of the insect neuropeptide helicokinin I: synthesis, photophysical characterization and biological activity.
Topics: Alanine; Amino Acid Sequence; Animals; Fluorescent Dyes; Insect Hormones; Insect Proteins; Models, Molecular; Moths; Neuropeptides; Receptors, Peptide; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2010 |
Assisted sonodynamic damage of bovine serum albumin by metronidazole under ultrasonic irradiation combined with photosensitive antitumor drug-Amsacrine.
Topics: Amsacrine; Animals; Antineoplastic Agents; Cattle; Metronidazole; Photosensitizing Agents; Protein Binding; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine; Ultrasonics | 2010 |
Proton-regulated electron transfers from tyrosine to tryptophan in proteins: through-bond mechanism versus long-range hopping mechanism.
Topics: Biological Transport; Molecular Dynamics Simulation; Phycobilisomes; Protons; Tryptophan; Tyrosine | 2009 |
Positions of Trp codons in the leader peptide-coding region of the at operon influence anti-trap synthesis and trp operon expression in Bacillus licheniformis.
Topics: 4-Aminobenzoic Acid; Bacillus; Bacterial Proteins; Base Sequence; Gene Expression Regulation, Bacterial; Mutation; Operon; Phenylalanine; Polymerase Chain Reaction; RNA-Binding Proteins; Transcription Factors; Transcription, Genetic; Tryptophan; Tyrosine | 2010 |
Molecular characterization of lignin peroxidase from the white-rot basidiomycete Trametes cervina: a novel fungal peroxidase.
Topics: Amino Acid Sequence; Fungal Proteins; Models, Molecular; Molecular Sequence Data; Oxidation-Reduction; Peroxidases; Sequence Analysis, DNA; Trametes; Tryptophan; Tyrosine | 2010 |
Profiling of residue-level photo-oxidative damage in peptides.
Topics: Oxidation-Reduction; Peptides; Photochemistry; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2010 |
Glucosylthioureidocalix[4]arenes: Synthesis, conformations and gas phase recognition of amino acids.
Topics: Amino Acids; Deuterium; Gases; Hydrogen; Hydrogen Bonding; Leucine; Magnetic Resonance Spectroscopy; Molecular Conformation; Phenylalanine; Spectrometry, Mass, Electrospray Ionization; Spectroscopy, Fourier Transform Infrared; Stereoisomerism; Tryptophan; Tyrosine | 2010 |
Electrochemical determination of L-Tryptophan, L-Tyrosine and L-Cysteine using electrospun carbon nanofibers modified electrode.
Topics: Carbon; Cysteine; Electrochemistry; Electrodes; Limit of Detection; Nanofibers; Oxidation-Reduction; Reproducibility of Results; Tryptophan; Tyrosine | 2010 |
Energy transfer ligands of the GluR2 ligand binding core.
Topics: Animals; Binding, Competitive; Fluorescence Polarization; Fluorescence Resonance Energy Transfer; Ligands; Models, Chemical; Protein Binding; Protein Structure, Tertiary; Quinoxalines; Radioligand Assay; Rats; Receptors, AMPA; Tryptophan; Tyrosine | 2010 |
Photoinduced DNA cleavage by formation of ROS from oxygen with a neurotransmitter and aromatic amino acids.
Topics: DNA Cleavage; Oxygen; Photochemical Processes; Reactive Oxygen Species; Serotonin; Tryptophan; Tyrosine; Ultraviolet Rays | 2010 |
An investigation of slow charge separation in a tyrosine M210 to tryptophan mutant of the Rhodobacter sphaeroides reaction center by femtosecond mid-infrared spectroscopy.
Topics: Amino Acid Substitution; Bacteriochlorophylls; Mutagenesis, Site-Directed; Photosynthetic Reaction Center Complex Proteins; Rhodobacter sphaeroides; Spectrophotometry, Infrared; Time Factors; Tryptophan; Tyrosine | 2010 |
Rational engineering of Thermus thermophilus cytochrome c552 to a thermally tolerant artificial peroxidase.
Topics: Bacterial Proteins; Catalysis; Catalytic Domain; Cytochrome c Group; Electron Spin Resonance Spectroscopy; Hydrogen Peroxide; Models, Molecular; Mutation; Oxidants; Peroxidases; Protein Engineering; Protein Structure, Tertiary; Thermus thermophilus; Tryptophan; Tyrosine | 2010 |
Effect of tyrosine, tryptophane, and thiouracil on melanuria.
Topics: Humans; Thiouracil; Tryptophan; Tyrosine | 1947 |
Residual structure in a peptide fragment of the outer membrane protein X under denaturing conditions: a molecular dynamics study.
Topics: Aspartic Acid; Bacterial Outer Membrane Proteins; Escherichia coli Proteins; Hydrolases; Hydrophobic and Hydrophilic Interactions; Magnetic Resonance Spectroscopy; Molecular Dynamics Simulation; Peptide Fragments; Protein Denaturation; Protein Structure, Secondary; Serine; Time Factors; Tryptophan; Tyrosine; Urea | 2010 |
[Fluorescence spectra analysis of papain structure treated by dynamic high pressure microfluidization in low pressure ranges].
Topics: Papain; Pressure; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2010 |
Comprehensive feature analysis for sample classification with comprehensive two-dimensional LC.
Topics: 5-Hydroxytryptophan; Algorithms; Chromatography, Liquid; Humans; Indoleacetic Acids; Indoles; Nitrates; Tryptophan; Tyrosine | 2010 |
Effect of cooking on protein oxidation in n-3 polyunsaturated fatty acids enriched beef. Implication on nutritional quality.
Topics: Aldehydes; Amino Acids, Aromatic; Animal Feed; Animals; Cattle; Cooking; Dietary Fats; Dietary Supplements; Fatty Acids, Monounsaturated; Fatty Acids, Omega-3; Female; Hot Temperature; Linseed Oil; Lipid Peroxidation; Meat; Muscle Proteins; Muscle, Skeletal; Nutritive Value; Plant Oils; Protein Carbonylation; Rapeseed Oil; Schiff Bases; Sulfhydryl Compounds; Tryptophan; Tyrosine | 2010 |
Geometry and efficacy of cross-strand Trp/Trp, Trp/Tyr, and Tyr/Tyr aromatic interaction in a beta-hairpin peptide.
Topics: Dipeptides; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Magnetic Resonance Spectroscopy; Oligopeptides; Protein Conformation; Protein Stability; Protein Structure, Secondary; Proteins; Solutions; Tryptophan; Tyrosine; Valine | 2010 |
D-amino acids trigger biofilm disassembly.
Topics: Amino Acid Sequence; Amino Acids; Bacillus subtilis; Bacterial Proteins; Biofilms; Cell Wall; Culture Media, Conditioned; Genes, Bacterial; Leucine; Methionine; Molecular Sequence Data; Mutation; Pseudomonas aeruginosa; Staphylococcus aureus; Stereoisomerism; Tryptophan; Tyrosine | 2010 |
A capillary electrophoresis method for the determination of selected biogenic amines and amino acids in mammalian decomposition fluid.
Topics: Animals; Biogenic Amines; Capillaries; Electrolytes; Electrophoresis, Capillary; Hydrogen-Ion Concentration; Methanol; Models, Chemical; Phenylalanine; Swine; Time Factors; Tryptamines; Tryptophan; Tyramine; Tyrosine | 2010 |
Mechanisms of quenching of Alexa fluorophores by natural amino acids.
Topics: Amino Acids; Fluorescence; Fluorescent Dyes; Histidine; Hydrazines; Methionine; Protein Conformation; Proteins; Tryptophan; Tyrosine | 2010 |
Requirements for catalysis in the Cre recombinase active site.
Topics: Amino Acid Sequence; Amino Acid Substitution; Arginine; Biocatalysis; Catalytic Domain; Glutamic Acid; Histidine; Integrases; Lysine; Models, Molecular; Molecular Sequence Data; Recombination, Genetic; Tryptophan; Tyrosine; Vanadates | 2010 |
How does proteinase 3 interact with lipid bilayers?
Topics: Binding Sites; Cations; Cell Membrane; Choline; Dimyristoylphosphatidylcholine; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Lipid Bilayers; Molecular Dynamics Simulation; Myeloblastin; Phenylalanine; Phosphatidylglycerols; Static Electricity; Tryptophan; Tyrosine | 2010 |
Cutting edge: C1q binds deoxyribose and heparan sulfate through neighboring sites of its recognition domain.
Topics: Binding Sites; Complement C1q; Crystallography, X-Ray; Deoxyribose; DNA; Heparitin Sulfate; Humans; Lysine; Models, Molecular; Protein Binding; Protein Structure, Tertiary; Tryptophan; Tyrosine | 2010 |
Deletion of Ac-NMePhe(1) from [NMePhe(1) ]arodyn under acidic conditions, part 2: effects of substitutions on pharmacological activity.
Topics: Acids; Amino Acid Sequence; Amino Acids; Animals; Binding, Competitive; CHO Cells; Chromatography, High Pressure Liquid; Cricetinae; Cricetulus; Dynorphins; Methylation; Models, Chemical; Molecular Structure; Peptides; Phenylalanine; Protein Binding; Rats; Receptors, Opioid, kappa; Spectrometry, Mass, Electrospray Ionization; Structure-Activity Relationship; Tryptophan; Tyrosine | 2011 |
Pleiotropic physiological consequences of feedback-insensitive phenylalanine biosynthesis in Arabidopsis thaliana.
Topics: Animals; Arabidopsis; Arabidopsis Proteins; Biocatalysis; Biosynthetic Pathways; Drug Resistance; Feedback, Physiological; Glucosinolates; Host-Parasite Interactions; Hydro-Lyases; Immunity, Innate; Molecular Structure; Moths; Mutation; Phenylalanine; Plant Diseases; Plant Leaves; Plants, Genetically Modified; Salt Tolerance; Tryptophan; Tyrosine | 2010 |
Individual contributions of the aromatic chromophores to the near-UV Circular Dichroism in class A beta-lactamases: A comparative computational analysis.
Topics: Bacillus; beta-Lactamases; Circular Dichroism; Staphylococcus aureus; Streptomyces; Tryptophan; Tyrosine | 2010 |
Electrochemical oxidation and cleavage of tyrosine- and tryptophan-containing tripeptides.
Topics: Chromatography, Liquid; Electrochemistry; Electrolytes; Hydrogen-Ion Concentration; Oligopeptides; Oxidation-Reduction; Proteins; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2010 |
Novel proton transfer fluorescence probe 2-hydroxy-pyridine and 5-(4-fluorophenyl)-2-hydroxypyridine for studying native, denatured and renatured state of protein Bovine Serum Albumin.
Topics: Animals; Cattle; Fluorescent Dyes; Guanidine; Protein Binding; Protein Denaturation; Protein Folding; Protein Structure, Tertiary; Protons; Pyridones; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2010 |
[The functional properties and oxidative modification of plasma and neutrophil proteins in community-acquired pneumonia].
Topics: Adolescent; Adult; Community-Acquired Infections; Female; Humans; Hydroxyl Radical; Lung; Male; Middle Aged; Neutrophils; Oxidation-Reduction; Oxidative Stress; Peroxidase; Plasma; Pneumonia; Protein Carbonylation; Tryptophan; Tyrosine; Young Adult | 2010 |
Tyr-167/Trp-168 in type 1/3 inositol 1,4,5-trisphosphate receptor mediates functional coupling between ligand binding and channel opening.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Binding Sites; Blotting, Western; Calcium; Cell Line, Tumor; Inositol 1,4,5-Trisphosphate; Inositol 1,4,5-Trisphosphate Receptors; Ion Channel Gating; Ligands; Mice; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Protein Binding; Protein Isoforms; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Trypsin; Tryptophan; Tyrosine | 2010 |
Homogeneous competitive assay of ligand affinities based on quenching fluorescence of tyrosine/tryptophan residues in a protein via Főrster-resonance-energy-transfer.
Topics: Binding, Competitive; Fluorescence; Fluorescence Resonance Energy Transfer; High-Throughput Screening Assays; Ligands; Protein Binding; Proteins; Streptavidin; Tryptophan; Tyrosine | 2010 |
Partitioning of new carbon as ¹¹C in Nicotiana tabacum reveals insight into methyl jasmonate induced changes in metabolism.
Topics: Acetates; Carbon Isotopes; Cyclopentanes; Ecosystem; Nicotiana; Oxylipins; Phenols; Phenylalanine; Plant Growth Regulators; Plant Leaves; Shikimic Acid; Time Factors; Tryptophan; Tyrosine | 2010 |
Structural studies of inositol 1,4,5-trisphosphate receptor: coupling ligand binding to channel gating.
Topics: Amino Acid Sequence; Animals; Binding Sites; Crystallography, X-Ray; Inositol 1,4,5-Trisphosphate; Inositol 1,4,5-Trisphosphate Receptors; Ion Channel Gating; Ligands; Magnetic Resonance Spectroscopy; Mice; Models, Molecular; Molecular Sequence Data; Mutation; Protein Isoforms; Protein Structure, Secondary; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Tryptophan; Tyrosine | 2010 |
Acquisition of Raman spectra of amino acids using portable instruments: outdoor measurements and comparison.
Topics: Alanine; Amino Acids; Asparagine; Aspartic Acid; beta-Alanine; Glutamic Acid; Glutamine; Glycine; Methionine; Proline; Research Design; Robotics; Serine; Spectrum Analysis, Raman; Transportation; Tryptophan; Tyrosine; Workplace | 2010 |
Phenylalanine hydroxylase (PAH) from the lower eukaryote Leishmania major.
Topics: Amino Acid Sequence; Animals; Binding Sites; Conserved Sequence; Culture Media; DNA, Protozoan; Gene Knockout Techniques; Genetic Complementation Test; Hydroxylation; Leishmania major; Leishmaniasis, Cutaneous; Mice; Microbial Viability; Molecular Sequence Data; Phenylalanine; Phenylalanine Hydroxylase; Protein Structure, Tertiary; Sequence Alignment; Sequence Analysis, DNA; Tryptophan; Tyrosine; Virulence | 2011 |
Membrane protein dynamics in different environments: simulation study of the outer membrane protein X in a lipid bilayer and in a micelle.
Topics: Bacterial Outer Membrane Proteins; Escherichia coli; Escherichia coli Proteins; Hydrogen Bonding; Hydrolases; Lipid Bilayers; Micelles; Molecular Dynamics Simulation; Protein Structure, Secondary; Time Factors; Tryptophan; Tyrosine; Water | 2011 |
First hyperpolarizability of the natural aromatic amino acids tryptophan, tyrosine, and phenylalanine and the tripeptide lysine-tryptophan-lysine determined by hyper-Rayleigh scattering.
Topics: Amino Acids; Oligopeptides; Phenylalanine; Scattering, Radiation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2010 |
Tyramine accumulation in rice cells caused a dwarf phenotype via reduced cell division.
Topics: Cell Division; Cell Wall; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Plant; Molecular Structure; Oryza; Phenotype; Plant Leaves; Plants, Genetically Modified; RNA, Messenger; Tryptophan; Tyramine; Tyrosine; Tyrosine Decarboxylase | 2011 |
The tyrosine and tryptophane contents of some legume seed proteins.
Topics: Fabaceae; Plant Proteins, Dietary; Seeds; Tryptophan; Tyrosine; Vegetables | 1945 |
The tyrosine O-prenyltransferase SirD catalyzes O-, N-, and C-prenylations.
Topics: Aspergillus fumigatus; Dimethylallyltranstransferase; Kinetics; Magnetic Resonance Spectroscopy; Mass Spectrometry; Phenylalanine; Prenylation; Tryptophan; Tyrosine | 2011 |
Vibrational analysis of amino acids and short peptides in hydrated media. VIII. Amino acids with aromatic side chains: L-phenylalanine, L-tyrosine, and L-tryptophan.
Topics: Models, Theoretical; Peptides; Phenylalanine; Solutions; Solvents; Spectroscopy, Fourier Transform Infrared; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Vibration; Water | 2010 |
A comparison of the fragmentation pathways of [Cu(II)(Ma)(Mb)]•2+ complexes where Ma and Mb are peptides containing either a tryptophan or a tyrosine residue.
Topics: Molecular Structure; Peptide Mapping; Peptides; Spectrometry, Mass, Electrospray Ionization; Tryptophan; Tyrosine | 2010 |
Divergence in enzyme regulation between Caenorhabditis elegans and human tyrosine hydroxylase, the key enzyme in the synthesis of dopamine.
Topics: Amino Acid Sequence; Animals; Caenorhabditis elegans; Caenorhabditis elegans Proteins; Cloning, Molecular; Dopamine; Genetic Variation; Humans; Mixed Function Oxygenases; Molecular Sequence Data; Phenylalanine; Phosphorylation; Recombinant Proteins; Substrate Specificity; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 2011 |
Mass spectrometric identification of tryptophan nitration sites on proteins in peroxynitrite-treated lysates from PC12 cells.
Topics: Amino Acid Sequence; Animals; Cell Extracts; Chromatography, Liquid; Enzymes; HSP90 Heat-Shock Proteins; Models, Molecular; Molecular Sequence Data; PC12 Cells; Peroxynitrous Acid; Protein Structure, Tertiary; Rats; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2011 |
Simultaneous multiple enantioseparation with a one-pot imprinted microfluidic channel by microchip capillary electrochromatography.
Topics: Capillary Electrochromatography; Carbon; Carbon Fiber; Electrodes; Microfluidic Analytical Techniques; Stereoisomerism; Time Factors; Tryptophan; Tyrosine | 2011 |
Evidence for a slow and oxygen-insensitive intra-molecular long range electron transfer from tyrosine residues to the semi-oxidized tryptophan 214 in human serum albumin: its inhibition by bound copper (II).
Topics: Copper; Electron Transport; Humans; Kinetics; Oxidation-Reduction; Oxygen; Protein Binding; Serum Albumin; Tryptophan; Tyrosine | 2012 |
Mass spectrometric characterization of photooxidative protein modifications in Arabidopsis thaliana thylakoid membranes.
Topics: Amino Acid Sequence; Arabidopsis; Mass Spectrometry; Molecular Sequence Data; Nitrogen; Oxidation-Reduction; Photosystem II Protein Complex; Plant Proteins; Thylakoids; Tryptophan; Tyrosine | 2011 |
Essential role of two tyrosines and two tryptophans on the photoprotection activity of the Orange Carotenoid Protein.
Topics: Bacterial Proteins; Carotenoids; Cyanobacteria; Hydrogen Bonding; Light; Photochemistry; Photosynthesis; Protein Conformation; Tryptophan; Tyrosine | 2011 |
Chip electrophoresis of active banana ingredients with label-free detection utilizing deep UV native fluorescence and mass spectrometry.
Topics: Dopamine; Electrophoresis, Microchip; Isoquinolines; Mass Spectrometry; Molecular Structure; Musa; Serotonin; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultraviolet Rays | 2011 |
Substitution of active site tyrosines with tryptophan alters the free energy for nucleotide flipping by human alkyladenine DNA glycosylase.
Topics: Base Pairing; Catalytic Domain; DNA; DNA Glycosylases; Humans; Kinetics; Nucleotides; Substrate Specificity; Thermodynamics; Tryptophan; Tyrosine | 2011 |
Cleft lip with cleft palate, ankyloglossia, and hypodontia are associated with TBX22 mutations.
Topics: Adolescent; Anodontia; Arginine; Child; Child, Preschool; Cleft Lip; Cleft Palate; Cohort Studies; Conserved Sequence; DNA-Binding Proteins; Exons; Female; Genetic Variation; Glutamine; Humans; Labial Frenum; Leucine; Male; Mutation, Missense; Phenotype; Polymorphism, Genetic; Proline; Promoter Regions, Genetic; Serine; T-Box Domain Proteins; Tongue Diseases; Transcription, Genetic; Tryptophan; Tyrosine | 2011 |
Is the photoactive yellow protein a UV-B/blue light photoreceptor?
Topics: Bacterial Proteins; Fluorescence Resonance Energy Transfer; Halorhodospira halophila; Kinetics; Photoreceptors, Microbial; Quantum Theory; Tryptophan; Tyrosine; Ultraviolet Rays | 2011 |
Chronic low-grade inflammation in elderly persons is associated with altered tryptophan and tyrosine metabolism: role in neuropsychiatric symptoms.
Topics: Aged; Aged, 80 and over; C-Reactive Protein; Chronic Disease; Enzyme-Linked Immunosorbent Assay; Fasting; Fatigue; Female; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Interleukin-6; Male; Mental Disorders; Movement Disorders; Neopterin; Nitrites; Psychiatric Status Rating Scales; Sleep Wake Disorders; Tryptophan; Tyrosine | 2011 |
The role of the local environment of engineered Tyr to Trp substitutions for probing the denaturation mechanism of FIS.
Topics: Amino Acid Substitution; Circular Dichroism; Crystallography, X-Ray; Escherichia coli Proteins; Factor For Inversion Stimulation Protein; Microscopy, Fluorescence; Models, Molecular; Protein Conformation; Protein Denaturation; Protein Engineering; Protein Folding; Protein Stability; Tryptophan; Tyrosine | 2011 |
DFT calculations for intermediate and active states of the diiron center with a tryptophan or tyrosine radical in Escherichia coli ribonucleotide reductase.
Topics: Catalytic Domain; Escherichia coli; Free Radicals; Iron; Models, Molecular; Molecular Structure; Quantum Theory; Ribonucleotide Reductases; Tryptophan; Tyrosine | 2011 |
Age-dependent changes in the proteolytic-antiproteolytic balance after alcohol and black tea consumption.
Topics: Age Factors; alpha 1-Antitrypsin; alpha-Macroglobulins; Animals; Antioxidants; Cathepsin G; Ethanol; Homeostasis; Lipid Peroxidation; Male; Malondialdehyde; Oxidation-Reduction; Pancreatic Elastase; Rats; Rats, Wistar; Tea; Tryptophan; Tyrosine | 2011 |
Effect of metal Ions (Ni²⁺, Cu²⁺ and Zn²⁺) and water coordination on the structure of L-phenylalanine, L-tyrosine, L-tryptophan and their zwitterionic forms.
Topics: Cations; Chemistry, Organic; Copper; Gases; Models, Molecular; Molecular Conformation; Nickel; Phenylalanine; Quantum Theory; Thermodynamics; Tryptophan; Tyrosine; Water; Zinc | 2011 |
Time-resolved CIDNP: an NMR way to determine the EPR parameters of elusive radicals.
Topics: Benzophenones; Chlorophyll; Dipeptides; Electron Spin Resonance Spectroscopy; Free Radicals; Magnetic Resonance Spectroscopy; Methionine; Protons; Time Factors; Tryptophan; Tyrosine | 2011 |
The protective function of hydrogen sulfide for lysozyme against riboflavin-sensitized photo-oxidation.
Topics: Antioxidants; Hydrogen Sulfide; Muramidase; Oxidation-Reduction; Photochemistry; Photolysis; Riboflavin; Tryptophan; Tyrosine | 2011 |
Structural changes in gluten protein structure after addition of emulsifier. A Raman spectroscopy study.
Topics: Amides; Disulfides; Emulsifying Agents; Glutens; Spectrum Analysis, Raman; Triticum; Tryptophan; Tyrosine; Vibration | 2011 |
The ncgl1108 (PheP (Cg)) gene encodes a new L-Phe transporter in Corynebacterium glutamicum.
Topics: Carbon Radioisotopes; Corynebacterium glutamicum; Gene Knockout Techniques; Kinetics; Membrane Transport Proteins; Phenylalanine; Staining and Labeling; Tryptophan; Tyrosine | 2011 |
Role of the distal hydrogen-bonding network in regulating oxygen affinity in the truncated hemoglobin III from Campylobacter jejuni.
Topics: Bacterial Proteins; Campylobacter jejuni; Glycine; Heme; Histidine; Hydrogen Bonding; Ligands; Molecular Dynamics Simulation; Mutagenesis, Site-Directed; Oxygen; Protein Binding; Spectrum Analysis, Raman; Truncated Hemoglobins; Tryptophan; Tyrosine | 2011 |
Synthesis of β-(1→6)-linked N-acetyl-D-glucosamine oligosaccharide substrates and their hydrolysis by Dispersin B.
Topics: Acetylglucosamine; Aggregatibacter actinomycetemcomitans; Bacterial Proteins; beta-N-Acetylhexosaminidases; Binding Sites; Biodegradation, Environmental; Biofilms; Catalysis; Catalytic Domain; Chromatography, High Pressure Liquid; Glycoside Hydrolases; Glycosides; Hydrolysis; Mutation; Oligosaccharides; Polymerization; Recombinant Proteins; Substrate Specificity; Tryptophan; Tyrosine | 2011 |
Partitioning of amino acids in the aqueous biphasic system containing the water-miscible ionic liquid 1-butyl-3-methylimidazolium bromide and the water-structuring salt potassium citrate.
Topics: Amino Acids; Citric Acid; Imidazoles; Ionic Liquids; Leucine; Phenylalanine; Potassium Citrate; Tryptophan; Tyrosine; Valine; Water | 2011 |
Density functional theory study of conformation-dependent properties of neutral and radical cationic L-tyrosine and L-tryptophan.
Topics: Cations; Chemistry, Physical; Free Radicals; Hydrogen Bonding; Hydrogen-Ion Concentration; Models, Molecular; Molecular Conformation; Phenylalanine; Quantum Theory; Static Electricity; Thermodynamics; Tryptophan; Tyrosine | 2011 |
Development of L-tryptophan production strains by defined genetic modification in Escherichia coli.
Topics: Anthranilate Synthase; Bacterial Proteins; Escherichia coli; Escherichia coli Proteins; Feedback, Physiological; Gene Knockout Techniques; Multienzyme Complexes; Mutagenesis, Site-Directed; Phenylalanine; Plasmids; Prephenate Dehydratase; Repressor Proteins; Tryptophan; Tryptophanase; Tyrosine | 2011 |
1H-Detected 13C photo-CIDNP as a sensitivity enhancement tool in solution NMR.
Topics: Animals; Carbon Isotopes; Drosophila Proteins; Heat-Shock Proteins; Histidine; Hydrogen; Lasers; Magnetic Resonance Spectroscopy; Nitrogen Isotopes; Nuclear Magnetic Resonance, Biomolecular; Sigma Factor; Solutions; Tryptophan; Tyrosine | 2011 |
Three aromatic amino acids in gastric juice as potential biomarkers for gastric malignancies.
Topics: Amino Acids, Aromatic; Biomarkers, Tumor; Chromatography, High Pressure Liquid; Gastric Juice; Humans; Magnetic Resonance Spectroscopy; Mass Spectrometry; Phenylalanine; Spectrometry, Fluorescence; Stomach Neoplasms; Tryptophan; Tyrosine | 2011 |
Photoinduced intramolecular tryptophan oxidation and excited-state behavior of [Re(L-AA)(CO)3(α-diimine)](+) (L = pyridine or imidazole, AA = tryptophan, tyrosine, phenylalanine).
Topics: Carbon Monoxide; Imidazoles; Imines; Molecular Structure; Organometallic Compounds; Oxidation-Reduction; Phenylalanine; Photochemical Processes; Pyridines; Quantum Theory; Rhenium; Stereoisomerism; Tryptophan; Tyrosine | 2011 |
Depression symptoms, low-grade inflammatory activity, and new targets for clinical intervention.
Topics: Female; Humans; Inflammation; Male; Mental Disorders; Tryptophan; Tyrosine | 2011 |
The oxidation of tyrosine and tryptophan studied by a molecular dynamics normal hydrogen electrode.
Topics: Electrodes; Electrons; Hydrogen; Molecular Dynamics Simulation; Oxidation-Reduction; Protons; Quantum Theory; Thermodynamics; Tryptophan; Tyrosine | 2011 |
Gas phase photo-formation and vacuum UV photofragmentation spectroscopy of tryptophan and tyrosine radical-containing peptides.
Topics: Absorption; Free Radicals; Gases; Peptides; Photoelectron Spectroscopy; Photolysis; Photons; Synchrotrons; Tryptophan; Tyrosine; Ultraviolet Rays; Vacuum | 2011 |
A conserved structural determinant located at the interdomain region of mammalian inositol-requiring enzyme 1alpha.
Topics: Alternative Splicing; Amino Acid Sequence; Animals; Cell Line; Conserved Sequence; Cycloheximide; Endoplasmic Reticulum; Endoribonucleases; Fibroblasts; Mice; Mice, Transgenic; Molecular Sequence Data; Mutation; Phosphorylation; Protein Conformation; Protein Serine-Threonine Kinases; Protein Structure, Tertiary; Protein Synthesis Inhibitors; RNA, Messenger; Sequence Homology, Amino Acid; Tryptophan; Tyrosine | 2011 |
Proteomic characterisation of hydrothermal redox damage.
Topics: Amino Acids; Food Handling; Histidine; Hot Temperature; Mass Spectrometry; Models, Biological; Oxidation-Reduction; Oxidative Stress; Peptides; Proteins; Proteome; Proteomics; Reactive Oxygen Species; Textiles; Tryptophan; Tyrosine | 2011 |
Clinical significance of simultaneous determination of serum tryptophan and tyrosine in patients with lung cancer.
Topics: Adenocarcinoma; Adenocarcinoma of Lung; Biomarkers, Tumor; Case-Control Studies; Chromatography, High Pressure Liquid; Female; Humans; Lung Neoplasms; Male; Middle Aged; Neoplasm Staging; Sensitivity and Specificity; Tryptophan; Tyrosine | 2011 |
Frequency Determination of α-1,3 Glucosyltransferase p.Y131H and p.F304S Polymorphisms in the Croatian Population Revealed Five Novel Single Nucleotide Polymorphisms in the hALG6 Gene.
Topics: Adult; Amino Acid Substitution; Base Sequence; Croatia; Female; Gene Frequency; Genetic Predisposition to Disease; Genetics, Population; Glucosyltransferases; Humans; Male; Membrane Proteins; Middle Aged; Phenylalanine; Polymorphism, Single Nucleotide; Serine; Tryptophan; Tyrosine; Young Adult | 2012 |
Thioamide quenching of intrinsic protein fluorescence.
Topics: Fluorescence; Models, Molecular; Peptides; Proteins; Thioamides; Tryptophan; Tyrosine | 2012 |
Oxidative modification of native protein residues using cerium(IV) ammonium nitrate.
Topics: Cerium; Models, Molecular; Molecular Structure; Nitrates; Oxidation-Reduction; Polyethylene Glycols; Proteins; Tryptophan; Tyrosine | 2011 |
Effect of chronic protein ingestion on tyrosine and tryptophan levels and catecholamine and serotonin synthesis in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Caseins; Catecholamines; Cerebral Cortex; Diet, Protein-Restricted; Dietary Proteins; Dihydroxyphenylalanine; Enzyme Inhibitors; Hydrazines; Hypothalamus; Male; Protein Deficiency; Rats; Rats, Sprague-Dawley; Serotonin; Tryptophan; Tyrosine | 2011 |
A novel initialization method for nonnegative matrix factorization and its application in component recognition with three-dimensional fluorescence spectra.
Topics: Algorithms; Catechols; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2012 |
A novel approach for the selective determination of tryptophan in blood serum in the presence of tyrosine based on the electrochemical reduction of oxidation product of tryptophan formed in situ on graphite electrode.
Topics: Biosensing Techniques; Blood Chemical Analysis; Conductometry; Electrodes; Equipment Design; Equipment Failure Analysis; Graphite; Humans; Oxidation-Reduction; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Tyrosine | 2012 |
A temperature-dependent conformational change of NADH oxidase from Thermus thermophilus HB8.
Topics: Binding Sites; Catalytic Domain; Circular Dichroism; Flavin-Adenine Dinucleotide; Light; Models, Molecular; Molecular Dynamics Simulation; Multienzyme Complexes; Mutagenesis, Site-Directed; NADH, NADPH Oxidoreductases; Protein Conformation; Scattering, Radiation; Spectrometry, Fluorescence; Temperature; Thermus thermophilus; Tryptophan; Tyrosine | 2012 |
Adsorption and properties of aromatic amino acids on single-walled carbon nanotubes.
Topics: Adsorption; Amino Acids, Aromatic; Models, Molecular; Nanotubes, Carbon; Phenylalanine; Quantum Theory; Tryptophan; Tyrosine | 2012 |
Chromatographic assay to study the activity of multiple enzymes involved in the synthesis and metabolism of dopamine and serotonin.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Biological Assay; Central Nervous System; Chromatography; Dopamine; Dopamine Agents; Hydroxyindoleacetic Acid; Levodopa; Lymnaea; Models, Biological; Molecular Structure; Serotonin; Tryptophan; Tyrosine | 2012 |
Probing the interaction of human serum albumin with bilirubin in the presence of aspirin by multi-spectroscopic, molecular modeling and zeta potential techniques: insight on binary and ternary systems.
Topics: Aspirin; Bilirubin; Binding Sites; Circular Dichroism; Humans; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Protein Conformation; Protein Structure, Secondary; Serum Albumin; Spectrometry, Fluorescence; Static Electricity; Tryptophan; Tyrosine | 2012 |
Metabolic differences underlying two distinct rat urinary phenotypes, a suggested role for gut microbial metabolism of phenylalanine and a possible connection to autism.
Topics: Animals; Autistic Disorder; Bacterial Proteins; Biomarkers; Chlorogenic Acid; Clostridium; Disease Models, Animal; Fungal Proteins; Glycine; Hippurates; Humans; Intestines; Phenylalanine; Phenylalanine Ammonia-Lyase; Rats; Stereoisomerism; Systems Biology; Tryptophan; Tyrosine; Yeasts | 2012 |
Effect of water coordination on competition between π and non-π cation binding sites in aromatic amino acids: L-phenylalanine, L-tyrosine, and L-tryptophan Li+, Na +, and K+ complexes.
Topics: Binding Sites; Cations; Cations, Monovalent; Metals, Alkali; Molecular Structure; Phenylalanine; Quantum Theory; Tryptophan; Tyrosine; Water | 2012 |
Tyrosine replacing tryptophan as an anchor in GWALP peptides.
Topics: Amino Acid Sequence; Circular Dichroism; Hydrophobic and Hydrophilic Interactions; Lipid Bilayers; Membrane Proteins; Models, Molecular; Molecular Dynamics Simulation; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Peptides; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2012 |
Interactions of the intact FsrC membrane histidine kinase with its pheromone ligand GBAP revealed through synchrotron radiation circular dichroism.
Topics: Amino Acid Sequence; Bacterial Proteins; Binding Sites; Blotting, Western; Circular Dichroism; Enzyme Stability; Hot Temperature; Lactones; Membrane Proteins; Molecular Sequence Data; Peptides, Cyclic; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Synchrotrons; Tryptophan; Tyrosine | 2012 |
Biophysical characterization and membrane interaction of the two fusion loops of glycoprotein B from herpes simplex type I virus.
Topics: Acrylamide; Amino Acid Motifs; Biophysics; Crystallography, X-Ray; Herpesvirus 1, Human; Lipids; Peptides; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Viral Envelope Proteins | 2012 |
Coherent manipulation of free amino acids fluorescence.
Topics: Amino Acids; Fluorescence; Molecular Structure; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2012 |
Study on effect of lipophilic curcumin on sub-domain IIA site of human serum albumin during unfolded and refolded states: a synchronous fluorescence spectroscopic study.
Topics: Antioxidants; Binding Sites; Curcumin; Humans; Hydrophobic and Hydrophilic Interactions; Kinetics; Models, Molecular; Protein Binding; Protein Folding; Protein Structure, Tertiary; Serum Albumin; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Urea | 2012 |
Simultaneous determination of tyrosine, tryptophan and 5-hydroxytryptamine in serum of MDD patients by high performance liquid chromatography with fluorescence detection.
Topics: Adult; Blood Proteins; Calibration; Chromatography, High Pressure Liquid; Depressive Disorder, Major; Female; Fluorescence; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Time Factors; Tryptophan; Tyrosine; Young Adult | 2012 |
Precursors and nitrogen origins of trichloronitromethane and dichloroacetonitrile during chlorination/chloramination.
Topics: Acetonitriles; Alanine; Asparagine; Chloramines; Gas Chromatography-Mass Spectrometry; Halogenation; Hydrocarbons, Chlorinated; Hydrogen-Ion Concentration; Nitrogen; Tryptophan; Tyrosine | 2012 |
Combined effects of blood serum as a source of endogenous β-adrenoceptor-sensitizing agent and its analogues histidine, tryptophan, tyrosine, mildronat, and preductal.
Topics: Adrenergic beta-Agonists; Animals; Dose-Response Relationship, Drug; Epinephrine; Estrous Cycle; Female; Histidine; Humans; Methylhydrazines; Muscle Contraction; Myometrium; Osmolar Concentration; Potassium Chloride; Rats; Receptors, Adrenergic, beta; Serum; Tryptophan; Tyrosine | 2011 |
Minimalist probes for studying protein dynamics: thioamide quenching of selectively excitable fluorescent amino acids.
Topics: Acridines; Acridones; Amino Acids; Fluorescent Dyes; Models, Molecular; Molecular Conformation; Oligonucleotide Probes; Peptides; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Proteins; Spectrometry, Fluorescence; Thioamides; Tryptophan; Tyrosine | 2012 |
A programmable Escherichia coli consortium via tunable symbiosis.
Topics: Algorithms; Bacterial Proteins; Biofuels; Calibration; Chemistry, Pharmaceutical; Coculture Techniques; Escherichia coli; Genetic Engineering; Green Fluorescent Proteins; Luminescent Proteins; Microbial Consortia; Microbiological Techniques; Models, Biological; Models, Statistical; Plasmids; Symbiosis; Tryptophan; Tyrosine | 2012 |
Reactions of deprotonated tyrosine and tryptophan with electronically excited singlet molecular oxygen (a1Δ(g)): a guided-ion-beam scattering, statistical modeling, and trajectory study.
Topics: Electrons; Ions; Models, Statistical; Protons; Quantum Theory; Singlet Oxygen; Tryptophan; Tyrosine | 2012 |
The roles of tryptophans in primer synthesis by the DNA primase of bacteriophage T7.
Topics: Adenosine Triphosphate; Alanine; Amino Acid Substitution; Bacteriophage T7; Binding Sites; Biocatalysis; DNA Primase; DNA Primers; DNA, Single-Stranded; Genetic Complementation Test; Kinetics; Mutation; Oligoribonucleotides; Protein Binding; Surface Plasmon Resonance; Templates, Genetic; Tryptophan; Tyrosine; Viral Proteins; Virus Replication; Zinc | 2012 |
Ion-selective electrodes based on L-tryptophan and L-tyrosine.
Topics: Biosensing Techniques; Cations; Ion-Selective Electrodes; Ionophores; Membranes, Artificial; Metals; Potentiometry; Quaternary Ammonium Compounds; Sensitivity and Specificity; Tryptophan; Tyrosine | 2012 |
On the autofluorescence of fingermarks.
Topics: beta Carotene; Bilirubin; Chlorophyll; Chromatography, Thin Layer; Dermatoglyphics; Flavin-Adenine Dinucleotide; Fluorescence; Humans; Kynurenine; Light; Phenylalanine; Pheophytins; Protoporphyrins; Riboflavin; Sebum; Spectrometry, Fluorescence; Sweat; Thiamine; Tryptophan; Tyrosine; Ultraviolet Rays; Vitamin B 6; Xanthurenates | 2012 |
Substrate specificity of fluoroacetate dehalogenase: an insight from crystallographic analysis, fluorescence spectroscopy, and theoretical computations.
Topics: Binding Sites; Burkholderia; Catalysis; Computer Simulation; Fluoroacetates; Histidine; Hydrolases; Models, Theoretical; Molecular Conformation; Rhodopseudomonas; Spectrometry, Fluorescence; Substrate Specificity; Tryptophan; Tyrosine | 2012 |
Determination of relative molecular weights of fluorescent components in dissolved organic matter using asymmetrical flow field-flow fractionation and parallel factor analysis.
Topics: Factor Analysis, Statistical; Fluorescence; Fractionation, Field Flow; Humic Substances; Molecular Weight; Polyphenols; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2012 |
Native and denatured forms of proteins can be discriminated at edge plane carbon electrodes.
Topics: alpha-Synuclein; Animals; Cattle; Chickens; Electrochemical Techniques; Electrodes; Fructose-Bisphosphate Aldolase; Graphite; Humans; Protein Denaturation; Proteins; Serum Albumin; Tryptophan; Tyrosine; Urea | 2012 |
The use of UV-Vis absorption spectroscopy for studies of natively disordered proteins.
Topics: Algorithms; Phenylalanine; Protein Structure, Secondary; Protein Structure, Tertiary; Proteins; Quantum Theory; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2012 |
Fluorescence lifetime measurements of intrinsically unstructured proteins: application to α-synuclein.
Topics: Algorithms; alpha-Synuclein; Amino Acid Substitution; Anisotropy; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Naphthalenesulfonates; Protein Conformation; Spectrometry, Fluorescence; Staining and Labeling; Tryptophan; Tyrosine | 2012 |
Quinine interactions with tryptophan and tyrosine in malaria patients, and implications for quinine responses in the clinical setting.
Topics: Adult; Aged; Antimalarials; Drug Interactions; Female; Humans; Malaria, Falciparum; Malaria, Vivax; Male; Middle Aged; Plasma; Quinine; Tryptophan; Tyrosine; Young Adult | 2012 |
Direct electrochemical reduction of graphene oxide and its application to determination of L-tryptophan and L-tyrosine.
Topics: Ascorbic Acid; Buffers; Electrochemistry; Electrodes; Graphite; Indicators and Reagents; Reproducibility of Results; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Uric Acid | 2013 |
Positive inotropic effect of tyrosine, histidine, and tryptophan in experiments on isolated human myocardium.
Topics: Cardiotonic Agents; Female; Histidine; Humans; In Vitro Techniques; Male; Middle Aged; Myocardial Contraction; Myocardium; Tryptophan; Tyrosine | 2012 |
Synchrotron ultraviolet microspectroscopy on rat cortical bone: involvement of tyrosine and tryptophan in the osteocyte and its environment.
Topics: Animals; Bone and Bones; Bone Density; Ethanol; Male; Microspectrophotometry; Osteocytes; Osteogenesis; Osteoporosis; Rats; Rats, Wistar; Tryptophan; Tyrosine | 2012 |
Rapid quantification of tryptophan and tyrosine in chemically defined cell culture media using fluorescence spectroscopy.
Topics: Calibration; Cell Culture Techniques; Culture Media; Folic Acid; Pyridoxine; Riboflavin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2012 |
The nitroxide TEMPO is an efficient scavenger of protein radicals: cellular and kinetic studies.
Topics: Animals; Azides; Cell Line; Cell Survival; Chymotrypsin; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Free Radical Scavengers; Free Radicals; Hydroxylamine; Kinetics; Macrophages; Mice; Muramidase; Nitrogen Oxides; Oxidants, Photochemical; Oxidation-Reduction; Pepsin A; Pulse Radiolysis; Tryptophan; Tyrosine | 2012 |
An investigation of the antidepressant action of xiaoyaosan in rats using ultra performance liquid chromatography-mass spectrometry combined with metabonomics.
Topics: Animals; Antidepressive Agents; Benzoates; Biomarkers; Bridged-Ring Compounds; Catechin; Chalcone; Chromatography, Liquid; Citric Acid; Citric Acid Cycle; Coumaric Acids; Creatine Kinase; Creatinine; Cyclohexanols; Drugs, Chinese Herbal; Flavanones; Fluoxetine; Gallic Acid; Gastrointestinal Tract; Glucosides; Glycine; Hippurates; Ketoglutaric Acids; Kynurenic Acid; Male; Mass Spectrometry; Metabolic Networks and Pathways; Metabolomics; Microbiota; Monoterpenes; Phytotherapy; Plant Extracts; Rats; Rats, Sprague-Dawley; Stress, Psychological; Tryptophan; Tyrosine; Venlafaxine Hydrochloride | 2013 |
Changing the direction of intramolecular electron transfer in oxidized dipeptides containing tryptophan and tyrosine.
Topics: Dipeptides; Electron Transport; Hydrogen-Ion Concentration; Kinetics; Models, Molecular; Molecular Dynamics Simulation; Oxidation-Reduction; Time Factors; Tryptophan; Tyrosine | 2012 |
Comparison of Förster-resonance-energy-transfer acceptors for tryptophan and tyrosine residues in native proteins as donors.
Topics: Catalytic Domain; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Glutathione Transferase; Models, Molecular; Streptavidin; Tryptophan; Tyrosine | 2013 |
[4] Determination of tryptophan.
Topics: Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1972 |
AhpC is required for optimal production of enterobactin by Escherichia coli.
Topics: Chorismic Acid; Culture Media; Enterobactin; Escherichia coli; Escherichia coli Proteins; Gene Deletion; Hydroxybenzoates; Iron; para-Aminobenzoates; Peroxiredoxins; Phenylalanine; Shikimic Acid; Tryptophan; Tyrosine | 2012 |
Role of Trp19 and Tyr200 in catalysis by the γ-class carbonic anhydrase from Methanosarcina thermophila.
Topics: Archaeal Proteins; Carbonic Anhydrases; Catalysis; Catalytic Domain; Crystallography, X-Ray; Escherichia coli; Hydrogen-Ion Concentration; Kinetics; Methanosarcina; Models, Molecular; Mutation; Protein Structure, Secondary; Protons; Recombinant Proteins; Tryptophan; Tyrosine | 2013 |
Effects of the loss of the axial tyrosine ligand of the low-spin heme of MauG on its physical properties and reactivity.
Topics: Bacterial Proteins; Heme; Heme-Binding Proteins; Hemeproteins; Histidine; Indolequinones; Ligands; Lysine; Oxidoreductases Acting on CH-NH Group Donors; Paracoccus denitrificans; Peroxides; Protein Processing, Post-Translational; Spectrophotometry; Tryptophan; Tyrosine | 2012 |
The role of amino acids in spina bifida.
Topics: Adult; Alanine; Amino Acids; Amniocentesis; Amniotic Fluid; Cystathionine; Cysteine; Female; Gestational Age; Humans; Phenylalanine; Pregnancy; Pregnancy Trimester, Second; Spinal Dysraphism; Tryptophan; Tyrosine; Ultrasonography, Prenatal | 2012 |
Oxidative stress-induced posttranslational modifications of human hemoglobin in erythrocytes.
Topics: Aldehydes; Amino Acid Sequence; Cells, Cultured; Dose-Response Relationship, Radiation; Erythrocyte Membrane; Erythrocytes; Gamma Rays; Hemoglobins; Hemolysis; Humans; Hydrogen Peroxide; Methionine; Molecular Sequence Data; Nitrites; Oxidation-Reduction; Oxidative Stress; Protein Processing, Post-Translational; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan; Tyrosine | 2013 |
Potential metabolic mechanism of girls' central precocious puberty: a network analysis on urine metabonomics data.
Topics: Asian People; Case-Control Studies; Child; Child, Preschool; Databases, Factual; Female; Gas Chromatography-Mass Spectrometry; Humans; Hypothalamo-Hypophyseal System; Metabolome; Metabolomics; Neurosecretory Systems; Neurotransmitter Agents; Puberty, Precocious; Tryptophan; Tyrosine | 2012 |
Automated method for analysis of tryptophan and tyrosine metabolites using capillary electrophoresis with native fluorescence detection.
Topics: Animals; Automation; Brain Stem; Electrophoresis, Capillary; Rats; Rats, Sprague-Dawley; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2013 |
Chemical labeling of electrochemically cleaved peptides.
Topics: Amines; Electrochemical Techniques; Hydrogen-Ion Concentration; Oligopeptides; Oxidation-Reduction; Spironolactone; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2013 |
Investigation on the interaction between cyclophosphamide and lysozyme in the presence of three different kind of cyclodextrins: determination of the binding mechanism by spectroscopic and molecular modeling techniques.
Topics: Animals; Antineoplastic Agents, Alkylating; Avian Proteins; Binding Sites; Catalytic Domain; Chickens; Circular Dichroism; Cyclodextrins; Cyclophosphamide; Egg Proteins; Fluorescence Resonance Energy Transfer; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Light; Microscopy, Fluorescence; Models, Molecular; Muramidase; Protein Binding; Protein Structure, Secondary; Scattering, Radiation; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2013 |
A recurring motif for antibody recognition of the receptor-binding site of influenza hemagglutinin.
Topics: Amino Acid Motifs; Amino Acid Sequence; Antibodies, Neutralizing; Antibodies, Viral; Antigen-Antibody Complex; Binding Sites; Crystallography, X-Ray; Epitopes; Hemagglutinin Glycoproteins, Influenza Virus; Humans; Immunoglobulin Fab Fragments; Influenza A Virus, H2N2 Subtype; Molecular Sequence Data; Mutation; Protein Conformation; Tryptophan; Tyrosine | 2013 |
Molecular recognition of floral volatile with two olfactory related proteins in the Eastern honeybee (Apis cerana).
Topics: Amino Acid Sequence; Animals; Bees; Circular Dichroism; Flowers; Insect Proteins; Kinetics; Molecular Docking Simulation; Molecular Sequence Data; Norisoprenoids; Olfactory Pathways; Protein Binding; Receptors, Odorant; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Tryptophan; Tyrosine; Volatile Organic Compounds | 2013 |
Metallothionein prevents diabetes-induced cardiac pathological changes, likely via the inhibition of succinyl-CoA:3-ketoacid coenzyme A transferase-1 nitration at Trp(374).
Topics: Animals; Coenzyme A-Transferases; Diabetes Mellitus, Experimental; Disease Models, Animal; Energy Metabolism; Heart Diseases; Male; Metallothionein; Mice; Mice, Inbred Strains; Mice, Transgenic; Myocardium; Nitrogen; Protein Structure, Tertiary; Superoxides; Tryptophan; Tyrosine | 2013 |
Variable electron transfer pathways in an amphibian cryptochrome: tryptophan versus tyrosine-based radical pairs.
Topics: Amphibians; Animals; Cryptochromes; Deoxyribodipyrimidine Photo-Lyase; Electron Spin Resonance Spectroscopy; Electron Transport; Flavin-Adenine Dinucleotide; Kinetics; Light; Models, Molecular; Molecular Conformation; Optics and Photonics; Photochemistry; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2013 |
Aromatic amino acids in high selectivity bismuth(III) recognition.
Topics: Bismuth; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2013 |
Self-assembling multidomain peptide fibers with aromatic cores.
Topics: Amino Acid Sequence; Amino Acid Substitution; Biocompatible Materials; Elasticity; Hydrogels; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Microscopy, Electron, Scanning; Molecular Dynamics Simulation; Molecular Sequence Data; Nanofibers; Peptides; Phenylalanine; Protein Structure, Tertiary; Rheology; Tissue Scaffolds; Tryptophan; Tyrosine | 2013 |
Metal cation dependence of interactions with amino acids: bond energies of Rb+ and Cs+ to Met, Phe, Tyr, and Trp.
Topics: Cations; Cesium; Coordination Complexes; Methionine; Models, Molecular; Phenylalanine; Quantum Theory; Rubidium; Tandem Mass Spectrometry; Thermodynamics; Tryptophan; Tyrosine | 2013 |
UV-radiation induced disruption of dry-cavities in human γD-crystallin results in decreased stability and faster unfolding.
Topics: Cataract; gamma-Crystallins; Humans; Hydrophobic and Hydrophilic Interactions; Kynurenine; Molecular Dynamics Simulation; Protein Stability; Protein Unfolding; Tryptophan; Tyrosine; Ultraviolet Rays | 2013 |
Computational study on the attack of ·OH radicals on aromatic amino acids.
Topics: Amino Acids, Aromatic; Hydroxyl Radical; Models, Chemical; Molecular Structure; Oxidation-Reduction; Phenylalanine; Proteins; Stereoisomerism; Thermodynamics; Tryptophan; Tyrosine | 2013 |
Amino acids as co-amorphous stabilizers for poorly water soluble drugs--Part 1: preparation, stability and dissolution enhancement.
Topics: Amino Acids; Arginine; Calorimetry, Differential Scanning; Chemistry, Pharmaceutical; Drug Design; Phenylalanine; Polymers; Solubility; Technology, Pharmaceutical; Temperature; Tryptophan; Tyrosine; X-Ray Diffraction | 2013 |
Optical spectral fingerprints of tissues from patients with different breast cancer histologies using a novel fluorescence spectroscopic device.
Topics: Adult; Aged; Area Under Curve; Breast; Breast Neoplasms; Carcinoma; Collagen; Discriminant Analysis; Elastin; Female; Humans; Middle Aged; Optical Imaging; ROC Curve; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2013 |
Characterization of Longissimus thoracis, Semitendinosus and Masseter muscles and relationships with technological quality in pigs. 2. Composition of muscles.
Topics: Animals; Body Composition; Dietary Carbohydrates; Fatty Acids; Fatty Acids, Omega-3; Hydrogen-Ion Concentration; Iron, Dietary; Male; Masseter Muscle; Meat; Muscle, Skeletal; Swine; Thigh; Tryptophan; Tyrosine; Vitamin E | 2013 |
Influence of amino acids Shiff bases on irradiated DNA stability in vivo.
Topics: Amino Acids; Animals; Calorimetry; Coordination Complexes; DNA; DNA Damage; Liver; Male; Manganese; Nicotinic Acids; Radiation, Ionizing; Rats; Rats, Wistar; Schiff Bases; Tryptophan; Tyrosine | 2013 |
Tryptophan-mediated charge-resonance stabilization in the bis-Fe(IV) redox state of MauG.
Topics: Catalysis; Enzyme Precursors; Ferric Compounds; Heme; Hemeproteins; Histidine; Indolequinones; Models, Chemical; Models, Molecular; Molecular Structure; Mutation; Oxidation-Reduction; Oxidoreductases Acting on CH-NH Group Donors; Protein Processing, Post-Translational; Spectroscopy, Near-Infrared; Tryptophan; Tyrosine | 2013 |
Ultrafast fluorescence quenching dynamics of Atto655 in the presence of N-acetyltyrosine and N-acetyltryptophan in aqueous solution: proton-coupled electron transfer versus electron transfer.
Topics: Electron Transport; Electrons; Fluorescence; Fluorescent Dyes; Heterocyclic Compounds, 4 or More Rings; Hydrogen-Ion Concentration; Molecular Dynamics Simulation; Molecular Structure; Proflavine; Protons; Solutions; Tryptophan; Tyrosine; Water | 2013 |
A comparative study on the binding of single and double chain surfactant-cobalt(III) complexes with bovine serum albumin.
Topics: Animals; Anti-Infective Agents; Bacteria; Binding Sites; Cattle; Circular Dichroism; Cobalt; Coordination Complexes; Energy Transfer; Fungi; Micelles; Microbial Sensitivity Tests; Protein Binding; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Surface-Active Agents; Thermodynamics; Tryptophan; Tyrosine | 2013 |
Contribution of the Tyr-1 in Plantaricin149a to disrupt phospholipid model membranes.
Topics: Amino Acid Sequence; Anti-Infective Agents; Bacteriocins; Calorimetry; Circular Dichroism; Hemolysis; Humans; Liposomes; Microbial Sensitivity Tests; Molecular Sequence Data; Naphthalenes; Peptides; Phosphatidylglycerols; Phospholipids; Pyridinium Compounds; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Tyrosine | 2013 |
Neisseria meningitidis expresses a single 3-deoxy-d-arabino-heptulosonate 7-phosphate synthase that is inhibited primarily by phenylalanine.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Allosteric Regulation; Amino Acid Substitution; Amino Acids, Aromatic; Binding Sites; Crystallography, X-Ray; Enzyme Stability; Feedback, Physiological; Neisseria meningitidis; Phenylalanine; Protein Multimerization; Protein Structure, Tertiary; Scattering, Small Angle; Tryptophan; Tyrosine; X-Ray Diffraction | 2013 |
Charge density distribution and the electrostatic moments of CTPB in the active site of p300 enzyme: a DFT and charge density study.
Topics: Benzamides; Catalytic Domain; E1A-Associated p300 Protein; Humans; Molecular Docking Simulation; Molecular Dynamics Simulation; Static Electricity; Tryptophan; Tyrosine | 2013 |
Protective effect of tryptophan against dextran sulfate sodium- induced experimental colitis.
Topics: Animal Feed; Animals; Antidepressive Agents, Second-Generation; Body Weight; Colitis, Ulcerative; Dextran Sulfate; Disease Models, Animal; Female; Intestinal Mucosa; Mice; Mice, Inbred C57BL; Nitric Oxide; Oxidative Stress; Random Allocation; Tryptophan; Tyrosine | 2013 |
Lipoprotein FtsB in Streptococcus pyogenes binds ferrichrome in two steps with residues Tyr137 and Trp204 as critical ligands.
Topics: Amino Acid Sequence; Amino Acid Substitution; Conserved Sequence; Ferrichrome; Kinetics; Ligands; Lipoproteins; Membrane Transport Proteins; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Periplasmic Proteins; Protein Binding; Protein Stability; Protein Structure, Secondary; Proteolysis; Species Specificity; Streptococcus pyogenes; Structural Homology, Protein; Tryptophan; Tyrosine | 2013 |
[Laser photolysis study on photo-oxidation reactions of aromatic amino acids with triplet 2-methylanthraquinone].
Topics: Amino Acids, Aromatic; Anthraquinones; Electron Transport; Lasers; Oxidation-Reduction; Phenylalanine; Photolysis; Tryptophan; Tyrosine | 2013 |
Binding interaction of hypocrellin B to myoglobin: a spectroscopic and computational study.
Topics: Absorption; Animals; Binding Sites; Horses; Models, Molecular; Myoglobin; Perylene; Protein Binding; Quinones; Spectrometry, Fluorescence; Static Electricity; Tryptophan; Tyrosine | 2013 |
Design, construction, and characterization of a second-generation DARP in library with reduced hydrophobicity.
Topics: Ankyrin Repeat; Carrier Proteins; Caspase 3; Caspase 7; Entropy; Humans; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Peptide Library; Peptides; Protein Binding; Surface Properties; Tryptophan; Tyrosine | 2013 |
Analysis of steady-state Förster resonance energy transfer data by avoiding pitfalls: interaction of JAK2 tyrosine kinase with N-methylanthraniloyl nucleotides.
Topics: Adenosine Triphosphate; Fluorescence Resonance Energy Transfer; Humans; Janus Kinase 2; ortho-Aminobenzoates; Protein Binding; Tryptophan; Tyrosine | 2013 |
A direct physical interaction between Nanog and Sox2 regulates embryonic stem cell self-renewal.
Topics: Animals; Cell Proliferation; Colony-Forming Units Assay; Embryonic Stem Cells; Homeodomain Proteins; Immunoblotting; Immunoprecipitation; Mice; Nanog Homeobox Protein; Plasmids; Protein Interaction Domains and Motifs; Protein Interaction Mapping; SELEX Aptamer Technique; SOXB1 Transcription Factors; Tryptophan; Tyrosine | 2013 |
Appropriate amino acid mixtures for tryptophan depletion and tyrosine/phenylalanine depletion and the safety of long-term amino acid depletion in humans.
Topics: Bipolar Disorder; Caseins; Humans; Peptide Fragments; Psychotic Disorders; Tryptophan; Tyrosine | 2013 |
Identification and analysis of the constituents in an aqueous extract of Tricholoma matsutake by HPLC coupled with diode array detection/electrospray ionization mass spectrometry.
Topics: Adenine; Adenosine; Chromatography, High Pressure Liquid; Cytidine; Deoxyadenosines; Guanosine; Inosine; Phenylalanine; Riboflavin; Spectrometry, Mass, Electrospray Ionization; Thionucleosides; Tricholoma; Tryptophan; Tyrosine; Uridine; Water | 2013 |
Conformational stability of CopC and roles of residues Tyr79 and Trp83.
Topics: Bacterial Proteins; Copper; Hydrogen Bonding; Models, Molecular; Mutagenesis, Site-Directed; Mutant Proteins; Point Mutation; Protein Conformation; Protein Folding; Protein Stability; Protein Structure, Secondary; Spectrometry, Fluorescence; Structure-Activity Relationship; Thermodynamics; Tryptophan; Tyrosine | 2013 |
Charge transfer in E. coli DNA photolyase: understanding polarization and stabilization effects via QM/MM simulations.
Topics: Deoxyribodipyrimidine Photo-Lyase; Electron Transport; Enzyme Stability; Escherichia coli Proteins; Flavin-Adenine Dinucleotide; Kinetics; Models, Molecular; Molecular Dynamics Simulation; Protein Conformation; Static Electricity; Tryptophan; Tyrosine | 2013 |
Inflammation-induced catabolism of tryptophan and tyrosine in acute ischemic stroke.
Topics: Aged; Brain Ischemia; C-Reactive Protein; Case-Control Studies; Catecholamines; Cytokines; Female; Glucose; Humans; Inflammation; Male; Middle Aged; Stroke; Tryptophan; Tyrosine | 2013 |
Photoreaction of Ketoprofen with Tryptophan and Tyrosine in Phosphate Buffer Solution.
Topics: Anti-Inflammatory Agents, Non-Steroidal; Ketoprofen; Light; Molecular Structure; Phosphates; Photochemistry; Tryptophan; Tyrosine; Water | 2014 |
Simultaneous ultraviolet B-induced photo-oxidation of tryptophan/tyrosine and racemization of neighboring aspartyl residues in peptides.
Topics: Amino Acid Sequence; Crystallins; Humans; Molecular Sequence Data; Oligopeptides; Oxidation-Reduction; Photochemical Processes; Stereoisomerism; Tryptophan; Tyrosine; Ultraviolet Rays | 2013 |
Mutation of Trp(93) of MauG to tyrosine causes loss of bound Ca(2+) and alters the kinetic mechanism of tryptophan tryptophylquinone cofactor biosynthesis.
Topics: Bacterial Proteins; Calcium; Hemeproteins; Hydrogen Peroxide; Indolequinones; Kinetics; Mutation; Oxidation-Reduction; Paracoccus denitrificans; Protein Binding; Tryptophan; Tyrosine | 2013 |
Protein oxidation: identification and utilisation of molecular markers to differentiate singlet oxygen and hydroxyl radical-mediated oxidative pathways.
Topics: Hydroxyl Radical; Oligopeptides; Oxidation-Reduction; Reactive Oxygen Species; Singlet Oxygen; Tryptophan; Tyrosine; Ultraviolet Rays | 2013 |
Dietary manipulation of serotonergic and dopaminergic function in C57BL/6J mice with amino acid depletion mixtures.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Brain; Chromatography, High Pressure Liquid; Dopamine; Food, Formulated; Homovanillic Acid; Male; Mice; Mice, Inbred C57BL; Phenylalanine; Serotonin; Statistics, Nonparametric; Tryptophan; Tyrosine | 2014 |
[Simultaneous determination of tryptophan and its metabolites in plasma by high performance liquid chromatography with on-column derivatization].
Topics: Acetonitriles; Chromatography, High Pressure Liquid; Female; Fluorescence; Humans; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; Limit of Detection; Pregnancy; Reproducibility of Results; Tryptophan; Tyrosine; Zinc Acetate | 2013 |
Heterogeneity in metal binding by individual fluorescent components in a eutrophic algae-rich lake.
Topics: Biomass; China; Coordination Complexes; Copper; Cyanobacteria; Eutrophication; Factor Analysis, Statistical; Fluorescence; Humic Substances; Iron; Lakes; Nitrates; Polymers; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2013 |
Tyrosine O-prenyltransferase SirD catalyzes S-, C-, and N-prenylations on tyrosine and tryptophan derivatives.
Topics: Dimethylallyltranstransferase; Escherichia coli; Fungal Proteins; Gene Expression; Hemiterpenes; Kinetics; Organophosphorus Compounds; Phenylalanine; Piperazines; Prenylation; Recombinant Proteins; Saccharomycetales; Substrate Specificity; Sulfhydryl Compounds; Tryptophan; Tyrosine | 2013 |
Photoinduced electron transfer modeling to simulate flavoprotein fluorescence decay.
Topics: Carrier Proteins; Desulfovibrio vulgaris; Electron-Transferring Flavoproteins; Flavin Mononucleotide; Fluorescence; Molecular Dynamics Simulation; Photochemistry; Solutions; Tryptophan; Tyrosine | 2014 |
Single tryptophan and tyrosine comparisons in the N-terminal and C-terminal interface regions of transmembrane GWALP peptides.
Topics: Amino Acid Sequence; Hydrophobic and Hydrophilic Interactions; Lipid Bilayers; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Peptides; Protein Structure, Secondary; Tryptophan; Tyrosine; Water | 2013 |
Full implementation of the genetic code by tryptophanyl-tRNA synthetase requires intermodular coupling.
Topics: Anticodon; Catalytic Domain; Crystallography, X-Ray; Escherichia coli; Genetic Code; Kinetics; Protein Binding; Protein Structure, Secondary; RNA, Transfer; Thermodynamics; Transfer RNA Aminoacylation; Tryptophan; Tryptophan-tRNA Ligase; Tyrosine | 2013 |
[Study of interaction of umbelliferone with three aromatic amino acids by fluorescence spectroscopy].
Topics: Amino Acids, Aromatic; Binding Sites; Computer Simulation; Phenylalanine; Protein Interaction Domains and Motifs; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Umbelliferones | 2013 |
Iron(IV)hydroxide pK(a) and the role of thiolate ligation in C-H bond activation by cytochrome P450.
Topics: Carbon; Catalysis; Cysteine; Cytochrome P-450 Enzyme System; Enzyme Activation; Hydrogen Bonding; Hydroxides; Oxidation-Reduction; Tryptophan; Tyrosine | 2013 |
Appropriate amino acid mixtures for tryptophan depletion and tyrosine/phenylalanine depletion and the safety of long-term amino acid depletion in humans: reply.
Topics: Bipolar Disorder; Caseins; Humans; Peptide Fragments; Psychotic Disorders; Tryptophan; Tyrosine | 2013 |
Femtosecond dynamics of short-range protein electron transfer in flavodoxin.
Topics: Amino Acid Substitution; Bacterial Proteins; Binding Sites; Desulfovibrio vulgaris; Electrons; Flavin Mononucleotide; Flavodoxin; Kinetics; Light; Models, Molecular; Mutagenesis, Site-Directed; Mutant Proteins; Oxidation-Reduction; Photochemical Processes; Tryptophan; Tyrosine | 2013 |
Binding of ascorbic acid and α-tocopherol to bovine serum albumin: a comparative study.
Topics: Adsorption; alpha-Tocopherol; Ascorbic Acid; Binding Sites; Calorimetry; Entropy; Hydrogen Bonding; Ibuprofen; Protein Binding; Serum Albumin, Bovine; Spectroscopy, Fourier Transform Infrared; Thermodynamics; Tryptophan; Tyrosine; Warfarin | 2014 |
The role of protein characteristics in the formation and fluorescence of Au nanoclusters.
Topics: Amines; Amino Acids; Animals; Biocompatible Materials; Cattle; Cysteine; Ferric Compounds; Gold; Ligands; Metal Nanoparticles; Muramidase; Nanotechnology; Pepsin A; Proteins; Serum Albumin, Bovine; Solubility; Spectrometry, Fluorescence; Spectroscopy, Fourier Transform Infrared; Trypsin; Tryptophan; Tyrosine; Water | 2014 |
Dissecting the contributions of β-hairpin tyrosine pairs to the folding and stability of long-lived human γD-crystallins.
Topics: Alanine; Cataract; Cations; gamma-Crystallins; Humans; Hydrophobic and Hydrophilic Interactions; Kynurenine; Models, Molecular; Molecular Dynamics Simulation; Mutation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Tryptophan; Tyrosine; Ultraviolet Rays | 2014 |
A rapid fluorescence based method for the quantitative analysis of cell culture media photo-degradation.
Topics: Chemistry Techniques, Analytical; Chromatography, High Pressure Liquid; Culture Media; Light; Photolysis; Principal Component Analysis; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 2014 |
Alternatives to extinction in brain injury rehabilitation. A reply to Wood and Thomas.
Topics: Bromouracil; Histidine; Peptides; Tryptophan; Tyrosine | 2014 |
Tyrosine/cysteine cluster sensitizing human γD-crystallin to ultraviolet radiation-induced photoaggregation in vitro.
Topics: Amino Acid Substitution; Cataract; Cysteine; gamma-Crystallins; Humans; Lens, Crystalline; Protein Denaturation; Protein Folding; Protein Structure, Quaternary; Tryptophan; Tyrosine; Ultraviolet Rays | 2014 |
Acetylene black paste electrode modified with graphene as the voltammetric sensor for selective determination of tryptophan in the presence of high concentrations of tyrosine.
Topics: Acetylene; Biosensing Techniques; Complex Mixtures; Conductometry; Electrodes; Equipment Design; Equipment Failure Analysis; Graphite; Ointments; Soot; Tryptophan; Tyrosine | 2014 |
Serotonin metabolites in the cerebrospinal fluid in sudden infant death syndrome.
Topics: Analysis of Variance; Chromatography, High Pressure Liquid; Databases, Factual; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Serotonin; Sudden Infant Death; Tryptophan; Tyrosine | 2014 |
The kinetics of the reaction of nitrogen dioxide with iron(II)- and iron(III) cytochrome c.
Topics: Amino Acids; Cytochromes c; Heme; Humans; Hydrogen-Ion Concentration; Iron; Kinetics; Nitrogen Dioxide; Oxidation-Reduction; Pulse Radiolysis; Tryptophan; Tyrosine | 2014 |
Radical additions to aromatic residues in peptides facilitate unexpected side chain and backbone losses.
Topics: Kinetics; Peptides; Photolysis; Protein Conformation; Spectrometry, Mass, Electrospray Ionization; Tryptophan; Tyrosine | 2014 |
Comprehensive, quantitative bioprocess productivity monitoring using fluorescence EEM spectroscopy and chemometrics.
Topics: Animals; Batch Cell Culture Techniques; Bioreactors; Calibration; CHO Cells; Cricetinae; Cricetulus; Culture Media; Glycoproteins; Least-Squares Analysis; Models, Chemical; Recombinant Proteins; Reproducibility of Results; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2014 |
Interactions of PCBs with human serum albumin: in vitro spectroscopic study.
Topics: Binding Sites; Humans; Kinetics; Models, Molecular; Polychlorinated Biphenyls; Protein Binding; Protein Structure, Tertiary; Serum Albumin; Spectrometry, Fluorescence; Temperature; Tryptophan; Tyrosine | 2014 |
Oxidative and nitrosative stress induced in myofibrillar proteins by a hydroxyl-radical-generating system: impact of nitrite and ascorbate.
Topics: Ascorbic Acid; Dose-Response Relationship, Drug; Hydrogen Peroxide; Hydroxyl Radical; Myofibrils; Nitrites; Oxidation-Reduction; Oxidative Stress; Proteins; Schiff Bases; Tryptophan; Tyrosine | 2014 |
Flexibility of cold- and heat-adapted subtilisin-like serine proteinases evaluated with fluorescence quenching and molecular dynamics.
Topics: Amino Acid Substitution; Bacterial Proteins; Cold Temperature; Escherichia coli; Fluorescence; Gene Expression; Hot Temperature; Kinetics; Molecular Dynamics Simulation; Pliability; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Serine Endopeptidases; Subtilisins; Thermus; Tryptophan; Tyrosine; Vibrio | 2014 |
Traceless chemical ligation from S-, O-, and N-acyl isopeptides.
Topics: Acylation; Biochemistry; Cysteine; Homocysteine; Peptides; Peptides, Cyclic; Serine; Solid-Phase Synthesis Techniques; Tryptophan; Tyrosine | 2014 |
Enhanced catalytic site thermal stability of cold-adapted esterase EstK by a W208Y mutation.
Topics: Adaptation, Physiological; Amino Acid Sequence; Bacterial Proteins; Catalytic Domain; Cold Temperature; Escherichia coli; Esterases; Extracellular Space; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Kinetics; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Protein Stability; Pseudomonas; Recombinant Proteins; Thermodynamics; Tryptophan; Tyrosine | 2014 |
Formation of complexes between PAMAM-NH2 G4 dendrimer and L-α-tryptophan and L-α-tyrosine in water.
Topics: Dendrimers; Magnetic Resonance Spectroscopy; Tryptophan; Tyrosine; Water | 2014 |
DNA-protein π-interactions in nature: abundance, structure, composition and strength of contacts between aromatic amino acids and DNA nucleobases or deoxyribose sugar.
Topics: Amino Acids, Aromatic; Deoxyribose; DNA; DNA-Binding Proteins; Histidine; Models, Molecular; Phenylalanine; Protein Binding; Tryptophan; Tyrosine | 2014 |
Probing the protein conformation and adsorption behaviors in nanographene oxide-protein complexes.
Topics: Adsorption; Animals; Cattle; Graphite; Hydrogen-Ion Concentration; Nanoparticles; Nanotechnology; Oxides; Protein Binding; Protein Conformation; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectroscopy, Fourier Transform Infrared; Surface Properties; Tryptophan; Tyrosine | 2014 |
Degradation of α-melanocyte-stimulating hormone photosensitized by pterin.
Topics: alpha-MSH; Amino Acid Sequence; Chromatography, High Pressure Liquid; Dimerization; Mass Spectrometry; Molecular Sequence Data; Photolysis; Pterins; Spectrometry, Fluorescence; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2014 |
Fragmentation of peptide radical cations containing a tyrosine or tryptophan residue: structural features that favor formation of [x(n-1) + H]˙⁺ and [z(n-1) + H]˙⁺ ions.
Topics: Cations; Glycine; Mass Spectrometry; Molecular Structure; Peptides; Tryptophan; Tyrosine | 2014 |
Comparisons of interfacial Phe, Tyr, and Trp residues as determinants of orientation and dynamics for GWALP transmembrane peptides.
Topics: Mass Spectrometry; Membrane Proteins; Molecular Dynamics Simulation; Peptide Fragments; Peptides; Phenylalanine; Tryptophan; Tyrosine | 2014 |
Chronic Effect of Aspartame on Ionic Homeostasis and Monoamine Neurotransmitters in the Rat Brain.
Topics: Animals; Apoptosis; Aspartame; Cerebral Cortex; Corpus Striatum; Dopamine Antagonists; Male; Nerve Tissue Proteins; Neurons; Neurotoxicity Syndromes; Non-Nutritive Sweeteners; Phenylalanine; Random Allocation; Rats, Wistar; Serotonin Antagonists; Sodium-Potassium-Exchanging ATPase; Toxicity Tests, Chronic; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase; Water-Electrolyte Imbalance | 2014 |
Identifying the elusive sites of tyrosyl radicals in cytochrome c peroxidase: implications for oxidation of substrates bound at a site remote from the heme.
Topics: Amino Acid Substitution; Binding Sites; Biocatalysis; Cytochrome-c Peroxidase; Electron Spin Resonance Spectroscopy; Electron Transport; Expectorants; Guaiacol; Heme; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Mutant Proteins; Oxidation-Reduction; Protein Conformation; Recombinant Fusion Proteins; Saccharomyces cerevisiae Proteins; Surface Properties; Tryptophan; Tyrosine | 2014 |
Effect of beating processing, as a means of reducing salt content in frankfurters: a physico-chemical and Raman spectroscopic study.
Topics: Animals; Chemical Phenomena; Color; Dietary Proteins; Food Handling; Meat Products; Protein Structure, Secondary; Salts; Spectrum Analysis, Raman; Swine; Tryptophan; Tyrosine | 2014 |
A new member of the DMATS superfamily from Aspergillus niger catalyzes prenylations of both tyrosine and tryptophan derivatives.
Topics: Alkyl and Aryl Transferases; Aspergillus niger; Chromatography, Affinity; Chromatography, High Pressure Liquid; Cloning, Molecular; Escherichia coli; Kinetics; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Weight; Prenylation; Recombinant Fusion Proteins; Substrate Specificity; Tryptophan; Tyrosine | 2014 |
Molecular recognition of Fc-specific ligands binding onto the consensus binding site of IgG: insights from molecular simulation.
Topics: Binding Sites; Computer Simulation; Immunoglobulin G; Ligands; Models, Molecular; Protein Structure, Tertiary; Sequence Analysis, Protein; Tryptophan; Tyrosine | 2014 |
Photochemical generation of photoactive compounds with fulvic-like and humic-like fluorescence in aqueous solution.
Topics: Benzopyrans; Cresols; Fluorescence; Furans; Humic Substances; Phenyl Ethers; Photochemical Processes; Photolysis; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2014 |
Impact of dietary aromatic amino acids on osteoclastic activity.
Topics: Amino Acids, Aromatic; Animals; Bone Resorption; Cell Differentiation; Cells, Cultured; Diet; Dietary Supplements; In Vitro Techniques; Male; Mice; Mice, Inbred C57BL; Osteoclasts; Phenylalanine; Real-Time Polymerase Chain Reaction; Tryptophan; Tyrosine | 2014 |
In silico spectroscopy of tryptophan and tyrosine radicals involved in the long-range electron transfer of cytochrome c peroxidase.
Topics: Cytochrome-c Peroxidase; Electron Spin Resonance Spectroscopy; Electron Transport; Free Radicals; Models, Molecular; Quantum Theory; Tryptophan; Tyrosine | 2014 |
C7-prenylation of tryptophanyl and O-prenylation of tyrosyl residues in dipeptides by an Aspergillus terreus prenyltransferase.
Topics: Aspergillus; Cloning, Molecular; Dimethylallyltranstransferase; Dipeptides; Escherichia coli; Gene Expression; Kinetics; Magnetic Resonance Spectroscopy; Mass Spectrometry; Prenylation; Recombinant Proteins; Substrate Specificity; Tryptophan; Tyrosine | 2015 |
Distance mapping in proteins using fluorescence spectroscopy: tyrosine, like tryptophan, quenches bimane fluorescence in a distance-dependent manner.
Topics: Boron Compounds; Bridged Bicyclo Compounds, Heterocyclic; Energy Transfer; Fluorescent Dyes; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Models, Molecular; Muramidase; Peptidoglycan; Protein Binding; Protein Structure, Tertiary; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2014 |
Structural evolution of differential amino acid effector regulation in plant chorismate mutases.
Topics: Allosteric Regulation; Amino Acid Sequence; Arabidopsis; Arabidopsis Proteins; Chorismate Mutase; Chorismic Acid; Crystallography, X-Ray; Enzyme Activation; Escherichia coli; Evolution, Molecular; Gene Expression; Isoenzymes; Kinetics; Models, Molecular; Molecular Sequence Data; Mutation; Phenylalanine; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Sequence Homology, Amino Acid; Substrate Specificity; Tryptophan; Tyrosine | 2014 |
Bond-specific dissociation following excitation energy transfer for distance constraint determination in the gas phase.
Topics: Amino Acid Sequence; Disulfides; Energy Transfer; Gases; Ions; Mass Spectrometry; Models, Molecular; Molecular Sequence Data; Peptides; Photochemical Processes; Tryptophan; Tyrosine | 2014 |
Computational insight into nitration of human myoglobin.
Topics: Catalytic Domain; Heme; Humans; Molecular Dynamics Simulation; Myoglobin; Nitrites; Protein Conformation; Protein Processing, Post-Translational; Tryptophan; Tyrosine | 2014 |
LC-MS-based urinary metabolite signatures in idiopathic Parkinson's disease.
Topics: alpha-Synuclein; Animals; Biomarkers; Chromatography, Liquid; Drosophila melanogaster; Fatty Acids; Histidine; Humans; Kynurenine; Mass Spectrometry; Metabolomics; Nucleotides; Parkinson Disease; Phenotype; Phenylalanine; Steroids; Tryptophan; Tyrosine | 2015 |
Fluorescence spectral diagnosis of malaria: a preliminary study.
Topics: Adolescent; Biomarkers; Case-Control Studies; Child; Female; Flavin-Adenine Dinucleotide; Humans; Malaria; Male; NAD; Porphyrins; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Young Adult | 2014 |
Kinetics of glycoxidation of bovine serum albumin by glucose, fructose and ribose and its prevention by food components.
Topics: Advanced Oxidation Protein Products; Animals; Cattle; Coumaric Acids; Fructosamine; Fructose; Glucose; Glycated Serum Albumin; Glycation End Products, Advanced; Kinetics; Kynurenine; Polyphenols; Pyridoxine; Ribose; Serum Albumin; Serum Albumin, Bovine; Tryptophan; Tyrosine | 2014 |
Short-term oral atrazine exposure alters the plasma metabolome of male C57BL/6 mice and disrupts α-linolenate, tryptophan, tyrosine and other major metabolic pathways.
Topics: Administration, Oral; alpha-Linolenic Acid; Animals; Atrazine; Biomarkers; Chromatography, High Pressure Liquid; Computational Biology; Dose-Response Relationship, Drug; Herbicides; Male; Mass Spectrometry; Metabolome; Metabolomics; Mice, Inbred C57BL; Spectroscopy, Fourier Transform Infrared; Time Factors; Toxicity Tests, Acute; Tryptophan; Tyrosine | 2014 |
Interactions between protein-like and humic-like components in dissolved organic matter revealed by fluorescence quenching.
Topics: Fluorescence; Fresh Water; Humic Substances; Organic Chemicals; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water Pollutants, Chemical | 2015 |
Chemical changes in bovine serum albumin photoinduced by pterin.
Topics: Animals; Cattle; Dimerization; Electrophoresis, Polyacrylamide Gel; Free Radicals; Pterins; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultraviolet Rays | 2014 |
Synthesis of graphene supported graphene-like C3N4 metal-free layered nanosheets for enhanced electrochemical performance and their biosensing for biomolecules.
Topics: Acetaminophen; Electrochemical Techniques; Electron Transport; Microscopy, Electron, Transmission; Nanocomposites; Nitriles; Norepinephrine; Oxidation-Reduction; Solutions; Tryptophan; Tyrosine; Uric Acid | 2015 |
Site-directed mutagenesis switching a dimethylallyl tryptophan synthase to a specific tyrosine C3-prenylating enzyme.
Topics: Alkyl and Aryl Transferases; Aspergillus fumigatus; Catalysis; Chromatography, High Pressure Liquid; Fungal Proteins; Hemiterpenes; Indoles; Magnetic Resonance Spectroscopy; Models, Molecular; Mutagenesis; Mutagenesis, Site-Directed; Mutation; Organophosphorus Compounds; Plasmids; Prenylation; Protein Engineering; Tryptophan; Tryptophan Synthase; Tyrosine | 2015 |
The impact of calcium ion on structure and aggregation propensity of peroxynitrite-modified lens crystallins: new insights into the pathogenesis of cataract disorders.
Topics: Animals; Benzothiazoles; Calcium; Cattle; Crystallins; Hydrophobic and Hydrophilic Interactions; Lens, Crystalline; Oxidants; Peroxynitrous Acid; Protein Aggregates; Protein Carbonylation; Protein Stability; Proteolysis; Spectrometry, Fluorescence; Thiazoles; Tryptophan; Tyrosine | 2015 |
Modulation of the rate of reversible electron transfer in oxidized tryptophan and tyrosine containing peptides in acidic aqueous solution.
Topics: Electron Transport; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Molecular Structure; Oxidation-Reduction; Peptides; Solutions; Time Factors; Tryptophan; Tyrosine; Water | 2015 |
Catalytic surface radical in dye-decolorizing peroxidase: a computational, spectroscopic and site-directed mutagenesis study.
Topics: Amino Acid Substitution; Basidiomycota; Binding Sites; Biocatalysis; Coloring Agents; Free Radicals; Fungal Proteins; Hemeproteins; Models, Molecular; Molecular Docking Simulation; Molecular Dynamics Simulation; Mutagenesis, Site-Directed; Mutant Proteins; Oxidation-Reduction; Peroxidases; Protein Conformation; Recombinant Proteins; Surface Properties; Tryptophan; Tyrosine | 2015 |
Preferential interactions between protein and arginine: effects of arginine on tertiary conformational and colloidal stability of protein solution.
Topics: Arginine; Colloids; Ovalbumin; Protein Stability; Protein Structure, Tertiary; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2015 |
Standardization of formulations for the acute amino acid depletion and loading tests.
Topics: Amino Acids, Branched-Chain; Animals; Humans; Phenylalanine; Rodentia; Species Specificity; Tryptophan; Tyrosine | 2015 |
pH-induced structural change of a multi-tryptophan protein MPT63 with immunoglobulin-like fold: identification of perturbed tryptophan residue/residues.
Topics: Acrylamide; Amino Acid Motifs; Anilino Naphthalenesulfonates; Bacterial Proteins; Benzothiazoles; Cloning, Molecular; Escherichia coli; Fluorescent Dyes; Gene Expression; Hydrogen Bonding; Hydrogen-Ion Concentration; Immunoglobulins; Molecular Sequence Data; Mycobacterium tuberculosis; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Spectrometry, Fluorescence; Static Electricity; Thermodynamics; Thiazoles; Tryptophan; Tyrosine | 2015 |
Photogeneration and Quenching of Tryptophan Radical in Azurin.
Topics: Azurin; Cobalt; Electrons; Mutation; Photolysis; Pseudomonas aeruginosa; Spectrum Analysis; Tryptophan; Tyrosine | 2015 |
Oxidation of the aromatic amino acids tryptophan and tyrosine disrupts their anabolic effects on bone marrow mesenchymal stem cells.
Topics: Amino Acids, Aromatic; Anabolic Agents; Animals; Cell Differentiation; Cell Proliferation; Cells, Cultured; MAP Kinase Signaling System; Mesenchymal Stem Cells; Mice; Osteoporosis; Oxidation-Reduction; Tryptophan; Tyrosine | 2015 |
d-Amino acids do not inhibit biofilm formation in Staphylococcus aureus.
Topics: Amino Acids; Bacillus subtilis; Biofilms; Molecular Structure; Phenylalanine; Proline; Staphylococcus aureus; Staphylococcus epidermidis; Stereoisomerism; Tryptophan; Tyrosine | 2015 |
Could tyrosine and tryptophan serve multiple roles in biological redox processes?
Topics: Azurin; Copper; Electrons; Hydrogen Peroxide; Molecular Conformation; Oxidation-Reduction; Oxygen; Pseudomonas aeruginosa; Tryptophan; Tyrosine | 2015 |
Elevated fecal calprotectin in patients with Alzheimer's dementia indicates leaky gut.
Topics: Aged; Alzheimer Disease; Feces; Female; Humans; Leukocyte L1 Antigen Complex; Male; Phenylalanine; Tryptophan; Tyrosine | 2015 |
Perturbations of tyrosine metabolism promote the indolepyruvate pathway via tryptophan in host and microbiome.
Topics: Aldehydes; Alkaptonuria; Cell Line, Tumor; Cyclohexanones; Gastrointestinal Microbiome; Humans; Indoles; Mass Spectrometry; Metabolomics; Nitrobenzoates; Phenylpyruvic Acids; Symbiosis; Tryptophan; Tyrosine; Tyrosinemias | 2015 |
Equivalent Isopropanol Concentrations of Aromatic Amino Acids Interactions with Lipid Vesicles.
Topics: 2-Propanol; Glycerylphosphorylcholine; Magnetic Resonance Spectroscopy; Phenylalanine; Phosphatidylcholines; Phosphatidylserines; Tryptophan; Tyrosine | 2015 |
Comprehensive spectroscopic studies on the interaction of biomolecules with surfactant detached multi-walled carbon nanotubes.
Topics: alpha-Amylases; Animals; Hemoglobins; Humans; Hydrophobic and Hydrophilic Interactions; Muramidase; Nanotubes, Carbon; Polysorbates; Protein Structure, Secondary; Serum Albumin; Spectroscopy, Fourier Transform Infrared; Spectrum Analysis, Raman; Surface-Active Agents; Tryptophan; Tyrosine | 2015 |
Tyrosine fluorescence probing of the surfactant-induced conformational changes of albumin.
Topics: Animals; Cattle; Fluorescence; Humans; Hydrophobic and Hydrophilic Interactions; Micelles; Protein Conformation; Protein Unfolding; Serum Albumin; Spectrum Analysis; Surface-Active Agents; Tryptophan; Tyrosine | 2015 |
Dental Abnormalities Caused by Novel Compound Heterozygous CTSK Mutations.
Topics: Adenine; Adult; Alleles; Alveolar Process; Amino Acid Sequence; Animals; Cathepsin K; Chlorocebus aethiops; Codon, Terminator; Conserved Sequence; COS Cells; Cysteine; Dental Cementum; Guanine; Heterozygote; Humans; Male; Models, Genetic; Mutation, Missense; Pedigree; Phenol; Pycnodysostosis; Radiography, Panoramic; Tooth Abnormalities; Tryptophan; Tyrosine; X-Ray Microtomography | 2015 |
Importance of polarization transfer in reaction products for interpreting and analyzing CIDNP at low magnetic fields.
Topics: Amino Acids; Electromagnetic Fields; Histidine; Indicators and Reagents; Lasers; Magnetic Resonance Spectroscopy; Spin Labels; Tryptophan; Tyrosine | 2015 |
Comparison of predicted extinction coefficients of monoclonal antibodies with experimental values as measured by the Edelhoch method.
Topics: Absorption, Physicochemical; Antibodies, Monoclonal, Humanized; Immunoglobulin G; Immunoglobulin Variable Region; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2015 |
NMR Analysis of Tuning Cross-Strand Phe/Tyr/Trp-Trp Interactions in Designed β-Hairpin Peptides: Terminal Switch from L to D Amino Acid as a Strategy for β-Hairpin Capping.
Topics: Amino Acids, Aromatic; Drug Design; Magnetic Resonance Spectroscopy; Models, Molecular; Peptides; Phenylalanine; Protein Structure, Secondary; Stereoisomerism; Transition Temperature; Tryptophan; Tyrosine | 2015 |
Investigation of the GPR39 zinc receptor following inhibition of monoaminergic neurotransmission and potentialization of glutamatergic neurotransmission.
Topics: alpha-Methyltyrosine; Animals; Dopamine; Fenclonine; Frontal Lobe; Glutamic Acid; Hippocampus; Male; Mice; Mice, Knockout; N-Methylaspartate; Neurotransmitter Agents; Norepinephrine; Receptors, G-Protein-Coupled; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine; Zinc | 2015 |
Regeneration of β-Carotene from the Radical Cation by Tyrosine and Tryptophan.
Topics: beta Carotene; Free Radicals; Indoles; Kinetics; Tryptophan; Tyrosine | 2015 |
Density Functional Theory Insights into the Role of the Methionine-Tyrosine-Tryptophan Adduct Radical in the KatG Catalase Reaction: O2 Release from the Oxyheme Intermediate.
Topics: Bacterial Proteins; Carbon; Catalase; Catalysis; Electrons; Heme; Hydrogen; Hydrogen Bonding; Methionine; Models, Chemical; Mycobacterium tuberculosis; Nitrogen; Oxygen; Quantum Theory; Tryptophan; Tyrosine | 2015 |
Bilateral Pheochromocytomas in MEN2A Syndrome: A Two-Institution Experience.
Topics: Adolescent; Adrenal Gland Neoplasms; Adrenalectomy; Adult; Age Factors; Aged; Aged, 80 and over; Amino Acid Substitution; Arginine; Child; Child, Preschool; Codon; Female; Germ-Line Mutation; Glycine; Humans; Male; Middle Aged; Multiple Endocrine Neoplasia Type 2a; Penetrance; Pheochromocytoma; Proto-Oncogene Proteins c-ret; Tryptophan; Tyrosine; Young Adult | 2015 |
Tryptophan prenyltransferases showing higher catalytic activities for Friedel-Crafts alkylation of o- and m-tyrosines than tyrosine prenyltransferases.
Topics: Alkylation; Biocatalysis; Carbon-13 Magnetic Resonance Spectroscopy; Chromatography, High Pressure Liquid; Dimethylallyltranstransferase; Kinetics; Prenylation; Proton Magnetic Resonance Spectroscopy; Tryptophan; Tyrosine | 2015 |
Mapping fast protein folding with multiple-site fluorescent probes.
Topics: Fluorescent Dyes; Kinetics; Molecular Dynamics Simulation; Mutation; Protein Folding; Tryptophan; Tyrosine | 2015 |
Absorbance detector for capillary electrophoresis based on light-emitting diodes and photodiodes for the deep-ultraviolet range.
Topics: Carboxylic Acids; Electrophoresis, Capillary; Sulfanilic Acids; Sulfonamides; Tryptophan; Tyrosine; Ultraviolet Rays | 2015 |
Tyrosine- and tryptophan-coated gold nanoparticles inhibit amyloid aggregation of insulin.
Topics: Amino Acids; Amyloid; Animals; Cattle; Computational Biology; Gold; Hydrogen Bonding; Insulin; Insulin Antagonists; Metal Nanoparticles; Microscopy, Electron, Transmission; Molecular Docking Simulation; Protein Binding; Protein Conformation; Silver; Spectrophotometry, Ultraviolet; Spectroscopy, Fourier Transform Infrared; Tryptophan; Tyrosine | 2015 |
Hole hopping through tyrosine/tryptophan chains protects proteins from oxidative damage.
Topics: Humans; Models, Molecular; Oxidative Stress; Proteins; Tryptophan; Tyrosine | 2015 |
Revisiting time-resolved protein phosphorescence.
Topics: Entropy; Humans; Luminescence; Models, Chemical; Proteins; Serum Albumin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2015 |
Ion-Induced Dipole Interactions and Fragmentation Times: Cα-Cβ Chromophore Bond Dissociation Channel.
Topics: Ions; Peptides; Photochemical Processes; Tryptophan; Tyrosine | 2015 |
Zinc oxide nanoparticle and bovine serum albumin interaction and nanoparticles influence on cytotoxicity in vitro.
Topics: Animals; Cell Survival; CHO Cells; Cricetinae; Cricetulus; Hydrophobic and Hydrophilic Interactions; Metal Nanoparticles; Particle Size; Protein Folding; Protein Structure, Secondary; Reactive Oxygen Species; Serum Albumin, Bovine; Tryptophan; Tyrosine; Zinc Oxide | 2015 |
Defusing redox bombs?
Topics: Humans; Oxidative Stress; Proteins; Tryptophan; Tyrosine | 2015 |
Quantitative analysis of phenylalanine, tyrosine, tryptophan and kynurenine in rat model for tauopathies by ultra-high performance liquid chromatography with fluorescence and mass spectrometry detection.
Topics: Animals; Chromatography, High Pressure Liquid; Disease Models, Animal; Humans; Kynurenine; Phenylalanine; Rats; Rats, Inbred SHR; Rats, Transgenic; Tandem Mass Spectrometry; Tauopathies; Tryptophan; Tyrosine | 2016 |
Theoretical study of inhibition efficiencies of some amino acids on corrosion of carbon steel in acidic media: green corrosion inhibitors.
Topics: Acids; Carbon; Corrosion; Models, Molecular; Serine; Steel; Tryptophan; Tyrosine | 2016 |
Insight into the composition and degradation potential of dissolved organic matter with different hydrophobicity in landfill leachates.
Topics: Benzopyrans; Biodegradation, Environmental; Humic Substances; Hydrophobic and Hydrophilic Interactions; Tryptophan; Tyrosine; Water Pollutants, Chemical | 2016 |
Plasma concentrations and intakes of amino acids in male meat-eaters, fish-eaters, vegetarians and vegans: a cross-sectional analysis in the EPIC-Oxford cohort.
Topics: Adult; Alanine; Amino Acids; Animals; Cross-Sectional Studies; Diet, Vegan; Diet, Vegetarian; Energy Intake; Fishes; Glycine; Humans; Lysine; Male; Meat; Methionine; Middle Aged; Seafood; Surveys and Questionnaires; Tryptophan; Tyrosine | 2016 |
Scavenging of photogenerated ROS by Oxicams. Possible biological and environmental implications.
Topics: Anti-Inflammatory Agents, Non-Steroidal; Free Radical Scavengers; Light; Meloxicam; Oxidation-Reduction; Photolysis; Piroxicam; Pyridines; Reactive Oxygen Species; Rhodamines; Riboflavin; Singlet Oxygen; Superoxides; Thiazines; Thiazoles; Tryptophan; Tyrosine; Water Pollutants, Chemical | 2015 |
Connecting Tyrosine and Tryptophan Units of Diazonamide A and Azonazine by a Diastereodivergent Arylative Dearomatization.
Topics: Catalysis; Dipeptides; Heterocyclic Compounds, 4 or More Rings; Indoles; Molecular Structure; Onium Compounds; Oxazoles; Pyrroles; Stereoisomerism; Tryptophan; Tyrosine | 2015 |
Syntheses of halogen derivatives of L-tryptophan, L-tyrosine and L-phenylalanine labeled with hydrogen isotopes.
Topics: Halogens; Phenylalanine; Radiopharmaceuticals; Tritium; Tryptophan; Tyrosine | 2016 |
A tyrosine-tryptophan dyad and radical-based charge transfer in a ribonucleotide reductase-inspired maquette.
Topics: Amino Acid Motifs; Electron Transport; Escherichia coli; Escherichia coli Proteins; Exoribonucleases; Hydrogen Bonding; Models, Molecular; Tryptophan; Tyrosine | 2015 |
Simultaneous determination of tyrosine and tryptophan by mesoporous silica nanoparticles modified carbon paste electrode using H-point standard addition method.
Topics: Electrodes; Hydrogen-Ion Concentration; Limit of Detection; Microscopy, Electron, Scanning; Nanoparticles; Reproducibility of Results; Silicon Dioxide; Tryptophan; Tyrosine | 2016 |
Targeting tryptophan and tyrosine metabolism by liquid chromatography tandem mass spectrometry.
Topics: Adult; Aged; Aggression; Animals; Chromatography, Liquid; Disruptive, Impulse Control, and Conduct Disorders; Female; Genetic Diseases, X-Linked; Healthy Volunteers; Humans; Intellectual Disability; Kynurenic Acid; Kynurenine; Male; Mice; Middle Aged; Monoamine Oxidase; Prefrontal Cortex; Serotonin; Tandem Mass Spectrometry; Tryptophan; Tyrosine; Young Adult | 2016 |
Reusable potentiometric screen-printed sensor and label-free aptasensor with pseudo-reference electrode for determination of tryptophan in the presence of tyrosine.
Topics: Animals; Aptamers, Nucleotide; Base Sequence; Biosensing Techniques; Electric Conductivity; Electrochemistry; Electrodes; Equipment Reuse; Humans; Limit of Detection; Milk; Nanotubes, Carbon; Potentiometry; Printing; Saliva; Silver; Tryptophan; Tyrosine | 2016 |
Characterizing the compositional variation of dissolved organic matter over hydrophobicity and polarity using fluorescence spectra combined with principal component analysis and two-dimensional correlation technique.
Topics: Environmental Monitoring; Fluorescence; Humic Substances; Hydrophobic and Hydrophilic Interactions; Organic Chemicals; Principal Component Analysis; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2016 |
No Tryptophan, Tyrosine and Phenylalanine Abnormalities in Children with Attention-Deficit/Hyperactivity Disorder.
Topics: Adolescent; Attention Deficit and Disruptive Behavior Disorders; Attention Deficit Disorder with Hyperactivity; Autism Spectrum Disorder; Case-Control Studies; Child; Conduct Disorder; Diet; Dietary Proteins; Female; Humans; Male; Netherlands; Phenylalanine; Surveys and Questionnaires; Tryptophan; Tyrosine | 2016 |
New insights into xanthine oxidase behavior upon heating using spectroscopy and in silico approach.
Topics: Animals; Cattle; Circular Dichroism; Dinitrocresols; Flavin-Adenine Dinucleotide; Hot Temperature; Milk; Molecular Dynamics Simulation; Protein Conformation; Protein Multimerization; Protein Subunits; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Xanthine Oxidase | 2016 |
Evaluation of Antioxidant or Prooxidant Properties of Selected Amino Acids Using In Vitro Assays and in Oil-in-Water Emulsions Under Riboflavin Sensitization.
Topics: Amino Acids; Antioxidants; Cysteine; Emulsions; Lipid Peroxidation; Lipid Peroxides; Oxidants; Oxidation-Reduction; Reactive Oxygen Species; Riboflavin; Tryptophan; Tyrosine; Water | 2016 |
Effects of Exhaustive Aerobic Exercise on Tryptophan-Kynurenine Metabolism in Trained Athletes.
Topics: Adult; Athletes; Biomarkers; Exercise; Fatigue; Female; Humans; Immune System; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kynurenine; Male; Metabolism; Neopterin; Oxygen; Tryptophan; Tyrosine | 2016 |
Photochemical Generation of a Tryptophan Radical within the Subunit Interface of Ribonucleotide Reductase.
Topics: Electron Transport; Escherichia coli; Free Radicals; Kinetics; Models, Molecular; Oxidation-Reduction; Photochemistry; Ribonucleotide Reductases; Tryptophan; Tyrosine | 2016 |
Peroxynitrite-induced structural perturbations in human IgG: A physicochemical study.
Topics: Arthritis, Rheumatoid; Calorimetry, Differential Scanning; Circular Dichroism; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Humans; Immunoglobulin G; Inflammation; Light; Microscopy, Fluorescence; Oxygen; Peroxynitrous Acid; Protein Structure, Secondary; Scattering, Radiation; Sepharose; Spectrophotometry; Spectroscopy, Fourier Transform Infrared; Temperature; Tryptophan; Tyrosine | 2016 |
Age-dependent increase in serum levels of indoxyl sulphate and p-cresol sulphate is not related to their precursors: Tryptophan and tyrosine.
Topics: Adult; Age Factors; Aged; Aged, 80 and over; Cresols; Female; Humans; Indican; Male; Middle Aged; Reference Values; Sulfuric Acid Esters; Tryptophan; Tyrosine; Young Adult | 2017 |
Aromatic Side Chain Water-to-Lipid Transfer Free Energies Show a Depth Dependence across the Membrane Normal.
Topics: Binding Sites; Cell Membrane; Chemistry, Organic; Copper; Crystallization; Escherichia coli; Hydrophobic and Hydrophilic Interactions; Lipid Bilayers; Lipids; Membrane Proteins; Molecular Dynamics Simulation; Mutagenesis; Mutation; Protein Folding; Protein Stability; Thermodynamics; Tryptophan; Tyrosine; Water | 2016 |
Permeation of the three aromatic dipeptides through lipid bilayers: Experimental and computational study.
Topics: Hydrogen-Ion Concentration; Lipid Bilayers; Molecular Dynamics Simulation; Permeability; Phenylalanine; Phosphatidylcholines; Temperature; Time Factors; Tryptophan; Tyrosine; Water | 2016 |
Differential Laser-Induced Perturbation Spectroscopy for Analysis of Mixtures of the Fluorophores l-Phenylalanine, l-Tyrosine and l-Tryptophan Using a Fluorescence Probe.
Topics: Fluorescent Dyes; Lasers; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2016 |
Multispectroscopic and calorimetric studies on the binding of the food colorant tartrazine with human hemoglobin.
Topics: Calorimetry, Differential Scanning; Circular Dichroism; Esterases; Fluorescence Resonance Energy Transfer; Food Coloring Agents; Hemoglobins; Humans; Light; Protein Binding; Protein Denaturation; Scattering, Radiation; Spectrometry, Fluorescence; Spectroscopy, Fourier Transform Infrared; Tartrazine; Temperature; Tryptophan; Tyrosine | 2016 |
Topics: Adolescent; Adult; Age Factors; Aged; Amino Acid Substitution; Anemia, Aplastic; Athletes; Athletic Performance; Bone Marrow Transplantation; Carcinoma, Non-Small-Cell Lung; Catalytic Domain; Cell Count; Child; Child, Preschool; Escherichia coli; Female; Gene Expression; Graft Survival; Graft vs Host Disease; Histocompatibility Testing; Humans; Hydrogen Bonding; Immunosuppression Therapy; Inosine Monophosphate; Integrin alphaVbeta3; Kinetics; Knee Joint; Lung Neoplasms; Lymphatic Metastasis; Male; Mediastinal Neoplasms; Middle Aged; Molecular Dynamics Simulation; Muscle, Skeletal; Mutation; Organotechnetium Compounds; Pentosyltransferases; Peptides, Cyclic; Phenylalanine; Plasmodium falciparum; Protein Interaction Domains and Motifs; Protein Structure, Secondary; Protozoan Proteins; Radiopharmaceuticals; Recombinant Proteins; Running; Sensitivity and Specificity; Serine; Siblings; Single Photon Emission Computed Tomography Computed Tomography; Soccer; Structure-Activity Relationship; Substrate Specificity; Thermodynamics; Threonine; Time Factors; Torque; Treatment Outcome; Tryptophan; Tyrosine; Young Adult | 2016 |
Increased CSF levels of aromatic amino acids in hip fracture patients with delirium suggests higher monoaminergic activity.
Topics: Aged; Aged, 80 and over; Chromatography, Liquid; Delirium; Dementia; Female; Hip Fractures; Humans; Indoles; Male; Norway; Phenylalanine; Preoperative Care; Prospective Studies; Psychiatric Status Rating Scales; Reproducibility of Results; Tryptophan; Tyrosine | 2016 |
Photooxidation of Tryptophan and Tyrosine Residues in Human Serum Albumin Sensitized by Pterin: A Model for Globular Protein Photodamage in Skin.
Topics: Cross-Linking Reagents; Humans; Models, Chemical; Oxidation-Reduction; Photochemical Processes; Photosensitizing Agents; Pterins; Serum Albumin; Skin; Skin Aging; Tryptophan; Tyrosine; Ultraviolet Rays | 2016 |
Aromatic Cluster Sensor of Protein Folding: Near-UV Electronic Circular Dichroism Bands Assigned to Fold Compactness.
Topics: Amino Acid Sequence; Circular Dichroism; Electrons; Models, Molecular; Protein Conformation; Protein Folding; Protein Stability; Proteins; Temperature; Tryptophan; Tyrosine | 2016 |
Investigation of the protective effect of Paeonia lactiflora on Semen Strychni-induced neurotoxicity based on monitoring nine potential neurotoxicity biomarkers in rat serum and brain tissue.
Topics: Animals; Brain; Brain-Derived Neurotrophic Factor; Dopamine; Drugs, Chinese Herbal; Glutamic Acid; Male; Nerve Growth Factor; Neuroprotective Agents; Paeonia; Plant Extracts; Rats; Rats, Sprague-Dawley; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 2017 |
Tryptophan Predicts the Risk for Future Type 2 Diabetes.
Topics: Adult; Aged; Biomarkers; Blood Glucose; Case-Control Studies; China; Diabetes Mellitus, Type 2; Fasting; Female; Humans; Insulin; Insulin Resistance; Isoleucine; Leucine; Longitudinal Studies; Male; Middle Aged; Phenylalanine; Predictive Value of Tests; Prognosis; Risk Factors; Tryptophan; Tyrosine; Valine | 2016 |
Degradation of tyrosine and tryptophan residues of peptides by type I photosensitized oxidation.
Topics: Mass Spectrometry; Oxidation-Reduction; Photosensitizing Agents; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2016 |
Distinct roles of immunoreceptor tyrosine-based motifs in immunosuppressive indoleamine 2,3-dioxygenase 1.
Topics: Animals; Cytokines; Dendritic Cells; Female; Half-Life; Immune Tolerance; Immunosuppressive Agents; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kynurenine; Mice; Mice, Inbred C57BL; Phosphorylation; Protein Domains; Signal Transduction; Suppressor of Cytokine Signaling Proteins; Tryptophan; Tyrosine | 2017 |
Stability improvement of natural food colors: Impact of amino acid and peptide addition on anthocyanin stability in model beverages.
Topics: Amino Acids; Anthocyanins; Ascorbic Acid; Citric Acid; Color; Daucus carota; Food Coloring Agents; Fruit and Vegetable Juices; Half-Life; Hydrogen-Ion Concentration; Peptides; Phenylalanine; Polylysine; Tryptophan; Tyrosine | 2017 |
Assessment of Tryptophan Uptake and Kinetics Using 1-(2-18F-Fluoroethyl)-l-Tryptophan and α-11C-Methyl-l-Tryptophan PET Imaging in Mice Implanted with Patient-Derived Brain Tumor Xenografts.
Topics: Animals; Biomarkers, Tumor; Brain Neoplasms; Carbon Radioisotopes; Cell Line, Tumor; Female; Humans; Metabolic Clearance Rate; Mice; Mice, Inbred BALB C; Mice, SCID; Molecular Imaging; Organ Specificity; Positron-Emission Tomography; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Tissue Distribution; Tryptophan; Tyrosine | 2017 |
Kinetics of photoinduced electron transfer reactions of ruthenium(II) complexes and phenols, tyrosine, N-acetyl-tyrosine and tryptophan in aqueous solutions measured with modulated fluorescence spectroscopy.
Topics: Electron Transport; Kinetics; Phenols; Ruthenium Compounds; Solutions; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2017 |
Tyrosine fluorescence probing of conformational changes in tryptophan-lacking domain of albumins.
Topics: Animals; Cattle; Circular Dichroism; Fluorescence; Fluorescent Dyes; Humans; Nephelometry and Turbidimetry; Oxazines; Protein Domains; Serum Albumin; Serum Albumin, Bovine; Tryptophan; Tyrosine | 2017 |
Active-site maturation and activity of the copper-radical oxidase GlxA are governed by a tryptophan residue.
Topics: Amino Acid Motifs; Amino Acid Substitution; Bacterial Proteins; Binding Sites; Catalytic Domain; Cations, Divalent; Cloning, Molecular; Copper; Crystallography, X-Ray; Cysteine; Escherichia coli; Fusarium; Galactose Oxidase; Gene Expression; Kinetics; Ligands; Mutation; Oxidoreductases; Protein Binding; Protein Domains; Protein Structure, Secondary; Recombinant Proteins; Streptomyces lividans; Structural Homology, Protein; Substrate Specificity; Tryptophan; Tyrosine | 2017 |
Biallelic Mutations in DNAJC12 Cause Hyperphenylalaninemia, Dystonia, and Intellectual Disability.
Topics: Alleles; Amino Acid Sequence; Biopterins; Case-Control Studies; Dopamine; Dystonia; Exons; Female; Fibroblasts; Gene Deletion; Genome-Wide Association Study; HSP70 Heat-Shock Proteins; Humans; Intellectual Disability; Male; Pedigree; Phenylalanine; Phenylalanine Hydroxylase; Phenylketonurias; Repressor Proteins; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 2017 |
D-amino acids reduce Enterococcus faecalis biofilms in vitro and in the presence of antimicrobials used for root canal treatment.
Topics: Anti-Bacterial Agents; Biofilms; Dental Pulp Cavity; Enterococcus faecalis; Humans; Leucine; Methionine; Microbial Sensitivity Tests; Microbial Viability; Root Canal Irrigants; Root Canal Therapy; Sodium Hypochlorite; Tryptophan; Tyrosine | 2017 |
Comparative metabolite and genome analysis of tuber-bearing potato species.
Topics: Ascorbic Acid; Chlorogenic Acid; Chromatography, High Pressure Liquid; Genetic Variation; Genome, Plant; Metabolome; Plant Tubers; Solanum; Solanum tuberosum; Species Specificity; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2017 |
Residues W320 and Y328 within the binding site of the μ-opioid receptor influence opiate ligand bias.
Topics: Analgesics, Opioid; beta-Arrestins; Binding Sites; Cyclic AMP; Diprenorphine; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; G-Protein-Coupled Receptor Kinase 2; HEK293 Cells; Humans; Models, Molecular; Mutagenesis; Mutation; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, mu; Signal Transduction; Transfection; Tritium; Tryptophan; Tyrosine | 2017 |
Sublethal doses of neonicotinoid imidacloprid can interact with honey bee chemosensory protein 1 (CSP1) and inhibit its function.
Topics: Amino Acid Sequence; Animals; Bees; Cholinergic Agents; Cloning, Molecular; Escherichia coli; Feeding Behavior; Gene Expression; Imidazoles; Insect Proteins; Insecticides; Kinetics; Molecular Docking Simulation; Neonicotinoids; Nitro Compounds; Norisoprenoids; Protein Domains; Protein Structure, Secondary; Recombinant Proteins; Sequence Alignment; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine | 2017 |
Metabolic profiling of tyrosine, tryptophan, and glutamate in human urine using gas chromatography-tandem mass spectrometry combined with single SPE cleanup.
Topics: Biomarkers; Gas Chromatography-Mass Spectrometry; Glutamic Acid; Humans; Limit of Detection; Metabolome; Metabolomics; Solid Phase Extraction; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2017 |
Bilateral Effects of Excipients on Protein Stability: Preferential Interaction Type of Excipient and Surface Aromatic Hydrophobicity of Protein.
Topics: Arginine; Chemistry, Pharmaceutical; Colloids; Excipients; Humans; Hydrophobic and Hydrophilic Interactions; Ovalbumin; Phenylalanine; Propylene Glycols; Protein Conformation; Protein Stability; Serum Albumin, Bovine; Solubility; Solutions; Sorbitol; Sucrose; Surface Properties; Trehalose; Tryptophan; Tyrosine | 2017 |
Tyrosine or Tryptophan? Modifying a Metalloradical Catalytic Site by Removal of the Cys-Tyr Cross-Link in the Galactose 6-Oxidase Homologue GlxA.
Topics: Algorithms; Catalytic Domain; Copper; Crystallography, X-Ray; Cysteine; Electron Spin Resonance Spectroscopy; Galactose Oxidase; Oxidation-Reduction; Tryptophan; Tyrosine | 2017 |
Photo-induced cytotoxicity and anti-metastatic activity of ruthenium(ii)-polypyridyl complexes functionalized with tyrosine or tryptophan.
Topics: A549 Cells; Antineoplastic Agents; Apoptosis; Biomarkers, Tumor; Caspase 3; Cell Survival; Circulating Tumor DNA; Coordination Complexes; DNA Damage; Humans; Metalloporphyrins; Neoplasm Metastasis; Photochemotherapy; Photosensitizing Agents; Reactive Oxygen Species; Tryptophan; Tyrosine | 2017 |
Efficacy of differently applied tyrosine and tryptophan for modulation of phenolic metabolism in Trachyspermum ammi (L.) sprague seedlings.
Topics: Apiaceae; Chromatography, High Pressure Liquid; Phenols; Tryptophan; Tyrosine | 2016 |
Specific Affinity Enrichment of Electrochemically Cleaved Peptides Based on Cu(II)-Mediated Spirolactone Tagging.
Topics: Animals; Biotinylation; Chickens; Copper; Electrochemical Techniques; Lactones; Muramidase; Oligopeptides; Oxidation-Reduction; Proteomics; Spiro Compounds; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2017 |
Solvent-Induced Molecular Folding and Self-Assembled Nanostructures of Tyrosine and Tryptophan Analogues in Aqueous Solution: Fascinating Morphology of High Order.
Topics: Nanostructures; Solvents; Tryptophan; Tyrosine; Water | 2017 |
Alternative Electron-Transfer Channels Ensure Ultrafast Deactivation of Light-Induced Excited States in Riboflavin Binding Protein.
Topics: Electron Transport; Kinetics; Membrane Transport Proteins; Molecular Dynamics Simulation; Protein Binding; Quantum Theory; Riboflavin; Tryptophan; Tyrosine | 2017 |
Paediatric reference values for total homocysteine, tryptophan, tyrosine and phenylalanine in blood spots.
Topics: Child; Dried Blood Spot Testing; Female; Homocysteine; Humans; Male; Phenylalanine; Reference Values; Tryptophan; Tyrosine | 2017 |
Understanding the Reactivity of CO
Topics: Amino Acids; Carbonates; Cysteine; Electron Transport; Free Radicals; Histidine; Hydrogen; Methionine; Nitric Oxide; Phenylalanine; Sulfur; Tryptophan; Tyrosine | 2017 |
The interaction of amino acids with macrocyclic pH probes of pseudopeptidic nature.
Topics: Acridines; Amino Acids; Fluorescent Dyes; Hydrogen-Ion Concentration; Kinetics; Macrocyclic Compounds; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2017 |
The peroxyl radical-induced oxidation of Escherichia coli FtsZ and its single tryptophan mutant (Y222W) modifies specific side-chains, generates protein cross-links and affects biological function.
Topics: Amidines; Amino Acid Substitution; Bacterial Proteins; Cross-Linking Reagents; Cytoskeletal Proteins; Escherichia coli; Gene Expression; Mutation; Oxidants; Oxidation-Reduction; Peroxides; Protein Multimerization; Recombinant Proteins; Tryptophan; Tyrosine | 2017 |
Identification of the TyrOH
Topics: Cations; Electron Transport; Electron-Transferring Flavoproteins; Flavins; Free Radicals; Kinetics; Models, Molecular; Oxidation-Reduction; Protons; Thermus thermophilus; Tryptophan; Tyrosine | 2017 |
Physiological Concentrations of Ascorbate Cannot Prevent the Potentially Damaging Reactions of Protein Radicals in Humans.
Topics: Ascorbic Acid; Free Radicals; Gamma Rays; Humans; Insulin; Muramidase; Nitrogen Oxides; Proteins; Pulse Radiolysis; Serum Albumin; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2017 |
Functional analysis of human aromatic amino acid transporter MCT10/TAT1 using the yeast Saccharomyces cerevisiae.
Topics: Amino Acid Transport Systems; Amino Acid Transport Systems, Neutral; Amino Acids; Cell Line; Cell Membrane; HEK293 Cells; Humans; Polymorphism, Single Nucleotide; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Tryptophan; Tyrosine; Ubiquitin; Ubiquitin-Protein Ligase Complexes | 2017 |
Peroxyl radical- and photo-oxidation of glucose 6-phosphate dehydrogenase generates cross-links and functional changes via oxidation of tyrosine and tryptophan residues.
Topics: Bacterial Proteins; Cross-Linking Reagents; Enzyme Assays; Glucosephosphate Dehydrogenase; Kinetics; Kynurenine; Leuconostoc mesenteroides; Light; Oxidation-Reduction; Peroxides; Photochemical Processes; Protein Aggregates; Singlet Oxygen; Solutions; Tryptophan; Tyrosine | 2017 |
New insights into biodrying mechanism associated with tryptophan and tyrosine degradations during sewage sludge biodrying.
Topics: Biodegradation, Environmental; Sewage; Tryptophan; Tyrosine; Water | 2017 |
Fluorescence quenching, structural and unfolding studies of a purified cysteine protease, ZCPG from Zingiber montanum rhizome.
Topics: Amino Acid Motifs; Cysteine Proteases; Guanidine; Hydrogen-Ion Concentration; Phenylalanine; Plant Proteins; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Rhizome; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Zingiberaceae | 2018 |
Interaction of manganese nanoparticle with cytochrome c: A multi-spectroscopic study.
Topics: Amino Acid Sequence; Animals; Binding Sites; Cattle; Cytochromes c; Hydrophobic and Hydrophilic Interactions; Manganese; Metal Nanoparticles; Models, Molecular; Particle Size; Phenylalanine; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Spectrum Analysis; Static Electricity; Temperature; Thermodynamics; Tryptophan; Tyrosine | 2018 |
Novel use of UV broad-band excitation and stretched exponential function in the analysis of fluorescent dissolved organic matter: study of interaction between protein and humic-like components.
Topics: Fluorescence; Humic Substances; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Ultraviolet Rays | 2017 |
Fluorescence spectroscopic analysis of the interaction of papain and bromelain with l-ascorbic acid, α-tocopherol, β-carotene and astaxanthin.
Topics: alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Bromelains; Papain; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Tyrosine; Xanthophylls | 2018 |
Tyr25, Tyr58 and Trp133 of Escherichia coli bacterioferritin transfer electrons between iron in the central cavity and the ferroxidase centre.
Topics: Bacterial Proteins; Catalytic Domain; Ceruloplasmin; Cytochrome b Group; Electron Transport; Electrons; Escherichia coli; Ferritins; Iron; Oxidation-Reduction; Protein Conformation; Tryptophan; Tyrosine | 2017 |
Determination of Alkyl-Donor Promiscuity of Tyrosine-O-Prenyltransferase SirD from Leptosphaeria maculans.
Topics: Alkylation; Ascomycota; Binding Sites; Biocatalysis; Catalytic Domain; Dimethylallyltranstransferase; Diphosphates; Fungal Proteins; Hydrogen Bonding; Kinetics; Magnetic Resonance Spectroscopy; Molecular Dynamics Simulation; Recombinant Proteins; Substrate Specificity; Tryptophan; Tyrosine | 2017 |
Metabolic shift induced by systemic activation of T cells in PD-1-deficient mice perturbs brain monoamines and emotional behavior.
Topics: Amino Acids; Animals; Anxiety; Behavior, Animal; Brain; Dopamine; Fear; Interferon-gamma; Kynurenine; Lymph Nodes; Lymphocyte Activation; Mice; Mice, Inbred C57BL; Mice, Knockout; Programmed Cell Death 1 Receptor; Serotonin; T-Lymphocytes; Tryptophan; Tyrosine | 2017 |
Interaction of a novel twin-tailed oxy-diester functionalized surfactant with lysozyme: Spectroscopic and computational perspective.
Topics: Esters; Models, Molecular; Molecular Conformation; Muramidase; Spectrum Analysis; Structure-Activity Relationship; Surface-Active Agents; Tryptophan; Tyrosine | 2018 |
A gut bacterial pathway metabolizes aromatic amino acids into nine circulating metabolites.
Topics: Amino Acids, Aromatic; Animals; Blood Chemical Analysis; Closterium; Gastrointestinal Microbiome; Germ-Free Life; Humans; Immunity; Indoles; Intestinal Mucosa; Male; Metabolic Networks and Pathways; Metabolome; Metabolomics; Mice; Multigene Family; Permeability; Phenylalanine; Serum; Tryptophan; Tyrosine | 2017 |
The Role of the Glutathione System in Oxidative Modification of Proteins and Dysregulation of Apoptosis in Jurkat Tumor Cells.
Topics: Apoptosis; Buthionine Sulfoximine; Enzyme Inhibitors; Gene Expression; Glutamate-Cysteine Ligase; Glutathione; Humans; Hydroxyl Radical; Jurkat Cells; Oxidation-Reduction; Oxidative Stress; Protein Carbonylation; Tryptophan; Tyrosine | 2017 |
Inter-Enzyme Allosteric Regulation of Chorismate Mutase in Corynebacterium glutamicum: Structural Basis of Feedback Activation by Trp.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Allosteric Regulation; Amino Acids, Aromatic; Chorismate Mutase; Corynebacterium glutamicum; Crystallography, X-Ray; Enzyme Activation; Models, Molecular; Phenylalanine; Protein Conformation; Protein Multimerization; Shikimic Acid; Tryptophan; Tyrosine | 2018 |
Designing antioxidant peptides based on the antioxidant properties of the amino acid side-chains.
Topics: Amino Acids; Antioxidants; Hydrophobic and Hydrophilic Interactions; Myoglobin; Peptides; Peroxides; Peroxynitrous Acid; Protein Engineering; Reactive Nitrogen Species; Reactive Oxygen Species; Structure-Activity Relationship; Tryptophan; Tyrosine | 2018 |
Patterns of cation binding to the aromatic amino acid R groups in Trp, Tyr, and Phe.
Topics: Cations; Cresols; Models, Chemical; Molecular Structure; Phenylalanine; Quantum Theory; Skatole; Sodium; Toluene; Tryptophan; Tyrosine | 2018 |
Structure, kinetics, molecular and redox properties of a cytosolic and developmentally regulated fungal catalase-peroxidase.
Topics: Catalase; Cloning, Molecular; Crystallography, X-Ray; Cytosol; Electron Spin Resonance Spectroscopy; Gene Expression Regulation; Hydrogen Peroxide; Kinetics; Neurospora crassa; Oxidation-Reduction; Peroxidases; Protein Conformation; Protein Multimerization; Tryptophan; Tyrosine | 2018 |
Chirality detection of amino acid enantiomers by organic electrochemical transistor.
Topics: Biosensing Techniques; Electrochemical Techniques; Electrodes; Equipment Design; Limit of Detection; Molecular Imprinting; Polymers; Stereoisomerism; Tablets; Transistors, Electronic; Tryptophan; Tyrosine | 2018 |
Tuning Chemoreceptor Signaling by Positioning Aromatic Residues at the Lipid-Aqueous Interface.
Topics: Amino Acids, Aromatic; Cell Membrane; Chemotaxis; Escherichia coli; Escherichia coli Proteins; Histidine Kinase; Hydrophobic and Hydrophilic Interactions; Mutagenesis, Site-Directed; Receptors, Cell Surface; Signal Transduction; Tryptophan; Tyrosine | 2018 |
Bioconversion of Tyrosine and Tryptophan Derived Biogenic Amines by Neuropathogenic Bacteria.
Topics: Bacillus cereus; Clostridium tetani; Dopamine; Listeria monocytogenes; Neisseria meningitidis; Tryptophan; Tyrosine | 2018 |
Theory Uncovers the Role of the Methionine-Tyrosine-Tryptophan Radical Adduct in the Catalase Reaction of KatGs: O
Topics: Catalase; Catalytic Domain; Electron Transport; Free Radicals; Heme; Histidine; Methionine; Molecular Dynamics Simulation; Oxidation-Reduction; Oxygen; Peroxidases; Protein Conformation; Protons; Tryptophan; Tyrosine | 2018 |
Metabolite amyloid-like fibrils interact with model membranes.
Topics: Adenine; Alanine; Anisotropy; Diphenylhexatriene; Fluorescence; HEK293 Cells; Humans; Hydrogen Bonding; Lipid Bilayers; Macromolecular Substances; Molecular Dynamics Simulation; Phosphatidylcholines; Phosphatidylserines; Polyacetylene Polymer; Polymers; Polyynes; Tryptophan; Tyrosine | 2018 |
A Preclinical Study of Casein Glycomacropeptide as a Dietary Intervention for Acute Mania.
Topics: Acute Disease; Amino Acids, Branched-Chain; Animals; Behavior, Animal; Bipolar Disorder; Caseins; Cerebral Cortex; Corpus Striatum; Disease Models, Animal; Dopamine; Male; Peptide Fragments; Rats; Rats, Sprague-Dawley; Serotonin; Tryptophan; Tyrosine | 2018 |
Aggregation of α- and β- caseins induced by peroxyl radicals involves secondary reactions of carbonyl compounds as well as di-tyrosine and di-tryptophan formation.
Topics: Amidines; Animals; Caseins; Cattle; Kinetics; Oxidants; Oxidation-Reduction; Peptide Fragments; Peroxides; Protein Aggregates; Tryptophan; Tyrosine | 2018 |
Proteomics Approach To Trace Site-Specific Damage in Aquatic Extracellular Enzymes During Photoinactivation.
Topics: Oxidation-Reduction; Proteins; Proteomics; Tryptophan; Tyrosine | 2018 |
Identification of Novel Functionally Important Aromatic Residue Interactions in the Extracellular Domain of the Glycine Receptor.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Binding Sites; Glycine; Humans; Models, Molecular; Protein Interaction Domains and Motifs; Receptors, Glycine; Sequence Alignment; Taurine; Tryptophan; Tyrosine; Xenopus | 2018 |
Living with Oxygen.
Topics: Catalytic Domain; Coordination Complexes; Cysteine; Cytochrome P-450 Enzyme System; Heme; Metals, Heavy; Methionine; Oxidation-Reduction; Oxygen; Protein Structural Elements; Tryptophan; Tyrosine | 2018 |
Isothermal titration calorimetry and stopped flow circular dichroism investigations of the interaction between lomefloxacin and human serum albumin in the presence of amino acids.
Topics: Amino Acids; Binding, Competitive; Calorimetry; Circular Dichroism; Fluoroquinolones; Histidine; Humans; Kinetics; Methionine; Protein Binding; Serum Albumin, Human; Thermodynamics; Tryptophan; Tyrosine | 2019 |
Application of tyrosine-tryptophan fluorescence resonance energy transfer in monitoring protein size changes.
Topics: Fluorescence Resonance Energy Transfer; Intrinsically Disordered Proteins; Models, Molecular; Particle Size; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2018 |
Moderation of the relationship between Toxoplasma gondii seropositivity and trait impulsivity in younger men by the phenylalanine-tyrosine ratio.
Topics: Adult; Age Factors; Aged; Antibodies, Protozoan; Chromatography, High Pressure Liquid; Dopamine; Enzyme-Linked Immunosorbent Assay; Female; Germany; Healthy Volunteers; Humans; Immunoglobulin G; Impulsive Behavior; Kynurenine; Male; Middle Aged; Phenylalanine; Seroepidemiologic Studies; Serologic Tests; Sex Factors; Toxoplasma; Toxoplasmosis; Tryptophan; Tyrosine | 2018 |
An intrinsic fluorescence method for the determination of protein concentration in vaccines containing aluminum salt adjuvants.
Topics: Adhesins, Bacterial; Adjuvants, Immunologic; Aluminum Hydroxide; Antigens, Bacterial; Bacterial Outer Membrane Proteins; Bacterial Proteins; Bordetella pertussis; Fimbriae, Bacterial; Fluorescence; Humans; Luminescent Measurements; Tryptophan; Tyrosine; Vaccines; Virulence Factors, Bordetella | 2018 |
Self-assembled mechanism of hydrophobic amino acids and β-cyclodextrin based on experimental and computational methods.
Topics: Amino Acids; beta-Cyclodextrins; Calorimetry, Differential Scanning; Hydrogen Bonding; Hydrolysis; Hydrophobic and Hydrophilic Interactions; Molecular Docking Simulation; Molecular Structure; Phenylalanine; Proteins; Proton Magnetic Resonance Spectroscopy; Solubility; Spectrophotometry, Infrared; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Taste; Tryptophan; Tyrosine | 2018 |
Sampling the protonation states: the pH-dependent UV absorption spectrum of a polypeptide dyad.
Topics: Aspartic Acid; Hydrogen-Ion Concentration; Molecular Dynamics Simulation; Peptides; Protons; Quantum Theory; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2018 |
A cation-π interaction in a transmembrane helix of vacuolar ATPase retains the proton-transporting arginine in a hydrophobic environment.
Topics: Arginine; Gene Knockout Techniques; Hydrophobic and Hydrophilic Interactions; Molecular Dynamics Simulation; Protein Conformation, alpha-Helical; Protons; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Static Electricity; Tryptophan; Tyrosine; Vacuolar Proton-Translocating ATPases | 2018 |
Cell-selectivity of tryptophan and tyrosine in amphiphilic α-helical antimicrobial peptides against drug-resistant bacteria.
Topics: Animals; Anti-Bacterial Agents; Bacteria; Cell Line; Cell Membrane Permeability; Drug Resistance, Bacterial; Humans; Liposomes; Mice, Inbred BALB C; Mice, Nude; Peptides; Protein Conformation, alpha-Helical; Protein Structure, Secondary; Staphylococcal Infections; Staphylococcus aureus; Tryptophan; Tyrosine | 2018 |
Photochemical degradation of oil products in seawater monitored by 3D excitation emission matrix (EEM) fluorescence spectroscopy: implications for coloured dissolved organic matter (CDOM) studies.
Topics: Biodegradation, Environmental; Fluorescence; Half-Life; Kinetics; Petroleum; Photochemical Processes; Seawater; Spectrometry, Fluorescence; Sunlight; Tryptophan; Tyrosine; Water Pollutants, Chemical; Wetlands | 2018 |
Determination of live:dead bacteria as a function of antibiotic treatment.
Topics: Ampicillin; Anti-Bacterial Agents; Bacillus thuringiensis; Bacteria; DNA, Bacterial; Drug Resistance, Bacterial; Escherichia coli; Fluorescence; Microbial Viability; Polymyxin B; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2018 |
Involvement of calcium-sensing receptor activation in the alleviation of intestinal inflammation in a piglet model by dietary aromatic amino acid supplementation.
Topics: Amino Acids, Aromatic; Animals; Colon; Cytokines; Diet; Dietary Supplements; Epithelial Cells; Female; I-kappa B Kinase; Inflammation; Intestines; Jejunum; Lipopolysaccharides; NF-kappa B; Peroxidase; Phenylalanine; Phosphorylation; Random Allocation; Receptors, Calcium-Sensing; RNA, Messenger; Signal Transduction; Sus scrofa; Swine; Tryptophan; Tumor Necrosis Factor-alpha; Tyrosine | 2018 |
A facile route to prepare functional mesoporous organosilica spheres with electroactive units for chiral recognition of amino acids.
Topics: Amino Acids; Cyclohexylamines; Cysteine; Electrochemical Techniques; Ionic Liquids; Porosity; Silicon Dioxide; Stereoisomerism; Tryptophan; Tyrosine | 2019 |
A computational investigation of the reactions of tyrosyl, tryptophanyl, and cysteinyl radicals with nitric oxide and molecular oxygen.
Topics: Cysteine; Density Functional Theory; Diffusion; Free Radicals; Molecular Structure; Nitric Oxide; Oxidation-Reduction; Oxygen; Tryptophan; Tyrosine | 2019 |
Effects of Tyr555 and Trp678 on the processivity of cellobiohydrolase A from Ruminiclostridium thermocellum: A simulation study.
Topics: Amino Acid Sequence; Binding Sites; Cellulose 1,4-beta-Cellobiosidase; Clostridium thermocellum; Molecular Dynamics Simulation; Mutation, Missense; Oligosaccharides; Protein Binding; Protein Conformation; Sequence Homology, Amino Acid; Substrate Specificity; Thermodynamics; Tryptophan; Tyrosine | 2018 |
Self-assembly of aromatic amino acids: a molecular dynamics study.
Topics: Amino Acids, Aromatic; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Macromolecular Substances; Molecular Dynamics Simulation; Phenylalanine; Stereoisomerism; Temperature; Tryptophan; Tyrosine; Water | 2018 |
Serum Metabolomics Analysis in Wasp Sting Patients.
Topics: Adult; Animals; Bites and Stings; Case-Control Studies; Female; Humans; Male; Metabolic Networks and Pathways; Metabolome; Metabolomics; Phenylalanine; Serum; Tryptophan; Tyrosine; Wasps | 2018 |
Tryptophan-Tyrosine Dipeptide, the Core Sequence of β-Lactolin, Improves Memory by Modulating the Dopamine System.
Topics: Amnesia; Animals; Dipeptides; Disease Models, Animal; Dopamine; Frontal Lobe; Hippocampus; Male; Maze Learning; Memory; Mice; Mice, Inbred C57BL; Scopolamine; Tryptophan; Tyrosine | 2019 |
Aplysinopsin-type and Bromotyrosine-derived Alkaloids from the South China Sea Sponge Fascaplysinopsis reticulata.
Topics: A549 Cells; Alkaloids; Animals; Aquatic Organisms; China; Enzyme Inhibitors; Humans; Porifera; Protein Tyrosine Phosphatase, Non-Receptor Type 1; Tryptophan; Tyrosine | 2019 |
Analysis of amino acids in blood by combining zeolitic imidazolate framework-8-based solid phase extraction and capillary electrophoresis.
Topics: Animals; Cattle; Electrophoresis, Capillary; Imidazoles; Limit of Detection; Nanoparticles; Phenylalanine; Solid Phase Extraction; Tryptophan; Tyrosine; Zeolites | 2019 |
A reduced concentration of brain interstitial amino acids is associated with depression in subarachnoid hemorrhage patients.
Topics: Aged; Amino Acids; Brain; Depression; Female; Humans; Male; Microdialysis; Middle Aged; Phenylalanine; Subarachnoid Hemorrhage; Tryptophan; Tyrosine | 2019 |
Evidence of a Thermodynamic Ramp for Hole Hopping to Protect a Redox Enzyme from Oxidative Damage.
Topics: Catalytic Domain; Molecular Dynamics Simulation; Oxidation-Reduction; Oxidoreductases; Quantum Theory; Static Electricity; Superoxide Dismutase; Thermodynamics; Tryptophan; Tyrosine | 2019 |
Metabolic dysfunctions in the kynurenine pathway, noradrenergic and purine metabolism in schizophrenia and bipolar disorders.
Topics: Adolescent; Adult; Bipolar Disorder; Female; Humans; Kynurenine; Male; Metabolic Networks and Pathways; Metabolomics; Middle Aged; Psychotic Disorders; Schizophrenia; Tryptophan; Tyrosine; Young Adult | 2020 |
Nine Amino Acids Are Associated With Decreased Insulin Secretion and Elevated Glucose Levels in a 7.4-Year Follow-up Study of 5,181 Finnish Men.
Topics: Aged; Alanine; Amino Acids; Aspartic Acid; Blood Glucose; Diabetes Mellitus, Type 2; Finland; Follow-Up Studies; Glutamic Acid; Humans; Insulin Resistance; Insulin Secretion; Isoleucine; Leucine; Male; Metabolomics; Middle Aged; Phenylalanine; Risk Factors; Tryptophan; Tyrosine; Valine | 2019 |
Structure and Function of Tryptophan-Tyrosine Dyads in Biomimetic β Hairpins.
Topics: Biomimetic Materials; Hydrogen-Ion Concentration; Protein Conformation; Tryptophan; Tyrosine | 2019 |
How acute and chronic physical disease may influence mental health - An Analysis of neurotransmitter precursor amino acid levels.
Topics: Acute Disease; Adult; Aged; Amino Acids; Anxiety Disorders; C-Reactive Protein; Chronic Disease; Depression; Depressive Disorder; Female; Humans; Inflammation; Kynurenine; Male; Mental Disorders; Mental Health; Middle Aged; Neurotransmitter Agents; Phenylalanine; Prospective Studies; Tryptophan; Tyrosine | 2019 |
The Association of Aromatic Amino Acids with Incident Hip Fracture, aBMD, and Body Composition from the Cardiovascular Health Study.
Topics: Absorptiometry, Photon; Aged; Aged, 80 and over; Aging; Amino Acids, Aromatic; Body Composition; Body Mass Index; Bone Density; Diet; Diet Surveys; Ethnicity; Female; Hip Fractures; Humans; Male; Multivariate Analysis; Osteoporosis; Phenylalanine; Risk; Tryptophan; Tyrosine | 2019 |
Target-based metabolomics for fast and sensitive quantification of eight small molecules in human urine using HPLC-DAD and chemometrics tools resolving of highly overlapping peaks.
Topics: Algorithms; Chromatography, High Pressure Liquid; Creatinine; Green Chemistry Technology; Hippurates; Homovanillic Acid; Humans; Indoleacetic Acids; Least-Squares Analysis; Limit of Detection; Metabolomics; Organic Chemicals; Reproducibility of Results; Tryptophan; Tyrosine; Uric Acid | 2019 |
Design and evaluation of ionizable peptide amphiphiles for siRNA delivery.
Topics: Cell Line, Tumor; Gene Silencing; Gene Transfer Techniques; Genes, Reporter; Humans; Luciferases; Peptides; RNA, Small Interfering; Tryptophan; Tyrosine | 2019 |
UV Resonance Raman Spectroscopy as a Tool to Probe Membrane Protein Structure and Dynamics.
Topics: Amino Acids; Bacterial Outer Membrane Proteins; Lipids; Membrane Proteins; Membranes; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Vibration | 2019 |
Methionine and Selenomethionine as Energy Transfer Acceptors for Biomolecular Structure Elucidation in the Gas Phase.
Topics: Carbon; Energy Transfer; Gases; Mass Spectrometry; Methionine; Models, Molecular; Molecular Dynamics Simulation; Peptides; Phenylalanine; Selenomethionine; Sulfur; Tryptophan; Tyrosine | 2019 |
Protective effects of bovine serum albumin on blueberry anthocyanins under illumination conditions and their mechanism analysis.
Topics: Anthocyanins; Antioxidants; Ascorbic Acid; Benzothiazoles; Binding Sites; Blueberry Plants; Circular Dichroism; Hydrogen Bonding; Light; Molecular Docking Simulation; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Static Electricity; Sucrose; Sulfonic Acids; Thermodynamics; Tryptophan; Tyrosine | 2019 |
Efficiency of three intracellular extraction methods in the determination of metabolites related to tryptophan and tyrosine in winemaking yeast's metabolism by LC-HRMS.
Topics: Chemical Fractionation; Chromatography, High Pressure Liquid; Cold Temperature; Freezing; Glycerol; Mass Spectrometry; Nitrogen; Saccharomyces cerevisiae; Tryptophan; Tyrosine; Wine | 2019 |
A chiral signal-amplified sensor for enantioselective discrimination of amino acids based on charge transfer-induced SERS.
Topics: Aniline Compounds; beta-Cyclodextrins; Hydrogen Bonding; Metal Nanoparticles; Phenylalanine; Silver; Spectrum Analysis, Raman; Stereoisomerism; Sulfhydryl Compounds; Titanium; Tryptophan; Tyrosine | 2019 |
The interaction between methionine and two aromatic amino acids is an abundant and multifunctional motif in proteins.
Topics: Algorithms; Chemical Phenomena; Databases, Protein; Humans; Methionine; Molecular Structure; Phenylalanine; Proteins; Tryptophan; Tyrosine | 2019 |
Importance of Hypericin-Bcl2 interactions for biological effects at subcellular levels.
Topics: Aniline Compounds; Anthracenes; Cell Line, Tumor; Cell Survival; Fluorescence; Glioma; Humans; Molecular Docking Simulation; Molecular Structure; Perylene; Photochemotherapy; Photosensitizing Agents; Proto-Oncogene Proteins c-bcl-2; Sulfonamides; Tryptophan; Tyrosine | 2019 |
Binding of rose bengal to lysozyme modulates photooxidation and cross-linking reactions involving tyrosine and tryptophan.
Topics: Animals; Chickens; Cross-Linking Reagents; Fluorescent Dyes; Muramidase; Oxidation-Reduction; Photochemistry; Photosensitizing Agents; Protein Conformation; Rose Bengal; Tryptophan; Tyrosine | 2019 |
Protein Dynamics Preceding Photoisomerization of the Retinal Chromophore in Bacteriorhodopsin Revealed by Deep-UV Femtosecond Stimulated Raman Spectroscopy.
Topics: Bacteriorhodopsins; Coloring Agents; Kinetics; Photochemical Processes; Protein Conformation; Retina; Spectrum Analysis, Raman; Stereoisomerism; Tryptophan; Tyrosine; Ultraviolet Rays | 2019 |
Energy and Enzyme Activity Landscapes of Yeast Chorismate Mutase at Cellular Concentrations of Allosteric Effectors.
Topics: Allosteric Regulation; Allosteric Site; Calorimetry, Differential Scanning; Catalytic Domain; Chorismate Mutase; Dimerization; Enzyme Activation; Escherichia coli; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Protein Structure, Secondary; Saccharomyces cerevisiae; Tryptophan; Tyrosine | 2019 |
Protein quantification and visualization via ultraviolet-dependent labeling with 2,2,2-trichloroethanol.
Topics: Absorption, Radiation; Electrophoresis, Polyacrylamide Gel; Ethylene Chlorohydrin; Proteins; Proteomics; Tryptophan; Tyrosine; Ultraviolet Rays | 2019 |
Planarity and out-of-plane vibrational modes of tryptophan and tyrosine in biomolecular modeling.
Topics: Kinetics; Molecular Dynamics Simulation; Thermodynamics; Tryptophan; Tyrosine; Water | 2019 |
Photodetachment of deprotonated aromatic amino acids: stability of the dehydrogenated radical depends on the deprotonation site.
Topics: Amines; Amino Acids, Aromatic; Anions; Carbon Dioxide; Light; Phenylalanine; Photolysis; Protons; Tryptophan; Tyrosine | 2019 |
Antidepressant-Like Effect of β-Lactolin, a Glycine-Threonine-Tryptophan-Tyrosine Peptide.
Topics: Animals; Antidepressive Agents; Benzazepines; Dopamine; Frontal Lobe; Glycine; Hindlimb Suspension; Mice; Oligopeptides; Threonine; Tryptophan; Tyrosine; Whey Proteins | 2019 |
Oxidation of myofibrillar proteins induced by peroxyl radicals: Role of oxidizable amino acids.
Topics: Amino Acids; Carrier Proteins; Cysteine; Electrophoresis, Polyacrylamide Gel; Meat Proteins; Methionine; Oxidation-Reduction; Peroxides; Tryptophan; Tyrosine | 2019 |
Fluorescence spectral detection of acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML): A novel photodiagnosis strategy.
Topics: Adolescent; Adult; Aged; Biomarkers, Tumor; Child; Child, Preschool; Female; Humans; Infant; Leukemia, Myeloid, Acute; Male; Middle Aged; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2020 |
β-lactolin, a whey-derived glycine-threonine-tryptophan-tyrosine lactotetrapeptide, improves prefrontal cortex-associated reversal learning in mice.
Topics: Animals; Attention; Cognition; Executive Function; Glycine; Male; Mice; Mice, Inbred C57BL; Oligopeptides; Prefrontal Cortex; Reversal Learning; Threonine; Tryptophan; Tyrosine; Whey; Whey Proteins | 2020 |
Identification of Human IDO1 Enzyme Activity by Using Genetically Encoded Nitrotyrosine.
Topics: Amino Acid Sequence; Binding Sites; Biocatalysis; Cloning, Molecular; Crystallography, X-Ray; Escherichia coli; Gene Expression; Genetic Vectors; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kinetics; Models, Molecular; Nitrates; Protein Binding; Protein Conformation, alpha-Helical; Protein Conformation, beta-Strand; Protein Interaction Domains and Motifs; Protein Processing, Post-Translational; Recombinant Proteins; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Tyrosine | 2020 |
Construction of a switchable synthetic Escherichia coli for aromatic amino acids by a tunable switch.
Topics: Escherichia coli; Metabolic Engineering; Phenylalanine; Tryptophan; Tyrosine | 2020 |
Spectrofluorimetric study on fluorescence quenching of tyrosine and l-tryptophan by the aniracetam cognition enhancer drug: quenching mechanism using Stern-Volmer and double-log plots.
Topics: Fluorescence; Fluorescent Dyes; Molecular Structure; Nootropic Agents; Pyrrolidinones; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2020 |
Identification and characterisation of fluorescent substances in spent dialysis fluid.
Topics: Chromatography, High Pressure Liquid; Dialysis Solutions; Humans; Indican; Indoleacetic Acids; Kidney Failure, Chronic; Renal Dialysis; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2020 |
Effects of SDS on the activity and conformation of protein tyrosine phosphatase from thermus thermophilus HB27.
Topics: Catalytic Domain; Circular Dichroism; Dose-Response Relationship, Drug; Escherichia coli; Hydrophobic and Hydrophilic Interactions; Inhibitory Concentration 50; Protein Structure, Secondary; Protein Tyrosine Phosphatases; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Temperature; Thermus thermophilus; Tryptophan; Tyrosine | 2020 |
Enhancing tilapia fish myosin solubility using proline in low ionic strength solution.
Topics: Animals; Disulfides; Fish Proteins, Dietary; Hydrophobic and Hydrophilic Interactions; Microscopy, Electron, Transmission; Myosins; Osmolar Concentration; Proline; Solubility; Tilapia; Tryptophan; Tyrosine | 2020 |
Urine metabolomic analysis for monitoring internal load in professional football players.
Topics: Adolescent; Amino Acids; Gonadal Steroid Hormones; Humans; Hypoxanthine; Least-Squares Analysis; Male; Metabolomics; Phenylalanine; Riboflavin; Soccer; Tryptophan; Tyrosine; Young Adult | 2020 |
Enhancing the selectivity of liquid chromatography-mass spectrometry by using trilinear decomposition on LC-MS data: An application to three-way calibration of coeluting analytes in human plasma.
Topics: Algorithms; Calibration; Chromatography, Liquid; Humans; Mass Spectrometry; Phenylalanine; Software; Tryptophan; Tyrosine | 2020 |
Differential Proliferation Effect of the Newly Synthesized Valine, Tyrosine and Tryptophan-Naphthoquinones in Immortal and Tumorigenic Cervical Cell Lines.
Topics: Antineoplastic Agents; Carcinogenesis; Cell Line, Tumor; Cell Proliferation; Chlorides; Drug Design; Drug Screening Assays, Antitumor; Female; HaCaT Cells; Humans; Inhibitory Concentration 50; Microwaves; Naphthoquinones; Oxidation-Reduction; Papillomavirus Infections; Tryptophan; Tyrosine; Uterine Cervical Neoplasms; Valine | 2020 |
Kinetic analysis of amino acid radicals formed in H
Topics: Amino Acids; Binding Sites; Biofuels; Electron Spin Resonance Spectroscopy; Hydrogen Peroxide; Hypocrea; Kinetics; Magnetic Resonance Spectroscopy; Mixed Function Oxygenases; Oxidation-Reduction; Peroxides; Polysaccharides; Tryptophan; Tyrosine | 2020 |
Analysis of Tryptophan and Tyrosine in the Presence of Other Bioactive Molecules Using Generalized Rank Annihilation Method on Excitation-emission Fluorescence Spectroscopic Data Sets.
Topics: Catechols; Fluorescence; Fluorescent Dyes; Hydroquinones; Indoles; Molecular Conformation; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2020 |
Cleavage of Disulfide Bonds in Cystine by UV-B Illumination Mediated by Tryptophan or Tyrosine as Photosensitizers.
Topics: Cysteine; Cystine; Disulfides; Oxidation-Reduction; Photolysis; Photosensitizing Agents; Tryptophan; Tyrosine; Ultraviolet Rays | 2020 |
A Conserved Proline Hinge Mediates Helix Dynamics and Activation of Rhodopsin.
Topics: HEK293 Cells; Humans; Hydrogen Bonding; Magnetic Resonance Spectroscopy; Models, Molecular; Mutation; Proline; Protein Conformation; Rhodopsin; Spectroscopy, Fourier Transform Infrared; Tryptophan; Tyrosine | 2020 |
Different Solvent and Conformational Entropy Contributions to the Allosteric Activation and Inhibition Mechanisms of Yeast Chorismate Mutase.
Topics: Allosteric Regulation; Allosteric Site; Amino Acids, Aromatic; Chorismate Mutase; Crystallography, X-Ray; Entropy; Models, Molecular; Protein Conformation; Protein Multimerization; Saccharomyces cerevisiae; Solvents; Tryptophan; Tyrosine | 2020 |
Chimeric design of pyrrolysyl-tRNA synthetase/tRNA pairs and canonical synthetase/tRNA pairs for genetic code expansion.
Topics: Alanine; Amino Acids; Chimera; Escherichia coli; Genetic Code; HEK293 Cells; Histidine; Humans; Lysine; Phenylalanine; RNA, Transfer; Synthetic Biology; Tryptophan; Tyrosine | 2020 |
Efficient synthesis of amino acids capped gold nanoparticles from easily reducible aryldiazonium tetrachloroaurate(III) salts for cellular uptake study.
Topics: Amino Acids; Chlorides; Cysteine; Electrophoresis, Agar Gel; Gold Compounds; HeLa Cells; Humans; Metal Nanoparticles; Tryptophan; Tyrosine | 2020 |
Evaluation of oxidative stress effects on different macromolecules in adult growth hormone deficiency.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Adult; Antioxidants; Arnold-Chiari Malformation; Biomarkers; Case-Control Studies; Empty Sella Syndrome; Female; Human Growth Hormone; Humans; Hypopituitarism; Lipid Peroxidation; Lysine; Male; Metabolic Syndrome; Middle Aged; Oxidative Stress; Tryptophan; Tyrosine | 2020 |
Tryptophan degradation is associated with risk-taking propensity in methamphetamine users with treated HIV infection.
Topics: Adult; Anti-HIV Agents; Antiretroviral Therapy, Highly Active; Biotransformation; Cross-Sectional Studies; HIV Infections; Homosexuality, Male; Humans; Impulsive Behavior; Kynurenine; Male; Methamphetamine; Middle Aged; Phenylalanine; Psychological Tests; Risk-Taking; Substance-Related Disorders; Tryptophan; Tyrosine; Viral Load | 2020 |
Dark, Ultra-Dark and Ultra-Bright Nanodiscs for membrane protein investigations.
Topics: Amino Acid Sequence; Antimicrobial Cationic Peptides; Fluorescent Dyes; Lipid Bilayers; Membrane Proteins; Protein Binding; Protein Multimerization; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2020 |
Ferulic acid-ovalbumin protein nanoparticles: Structure and foaming behavior.
Topics: Chemical Phenomena; Coumaric Acids; Food Technology; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Molecular Structure; Nanoparticles; Ovalbumin; Solubility; Sulfhydryl Compounds; Tryptophan; Tyrosine; Viscosity | 2020 |
The second N-terminal aromatic residue of the fungal defensin, blapersin, of Blastomyces percursus is essential for its antibacterial activity.
Topics: Alanine; Amino Acid Substitution; Anti-Bacterial Agents; Blastomyces; Defensins; Fungal Proteins; Gram-Positive Bacteria; HEK293 Cells; Hemolysis; Humans; Microbial Sensitivity Tests; Models, Molecular; Phenylalanine; Protein Conformation; Structure-Activity Relationship; Tryptophan; Tyrosine | 2020 |
Effect of active-site aromatic residues Tyr or Phe on activity and stability of glucose 6-phosphate dehydrogenase from psychrophilic Arctic bacterium Sphingomonas sp.
Topics: Adaptation, Physiological; Amino Acid Substitution; Bacterial Proteins; Binding Sites; Biocatalysis; Cold Temperature; Gene Expression; Glucose-6-Phosphate; Glucosephosphate Dehydrogenase; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Kinetics; Molecular Docking Simulation; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Protein Conformation, alpha-Helical; Protein Conformation, beta-Strand; Protein Interaction Domains and Motifs; Recombinant Proteins; Sequence Alignment; Sequence Homology, Amino Acid; Sphingomonas; Substrate Specificity; Tryptophan; Tyrosine | 2021 |
Theoretical Research on Excited States: Ultraviolet and Fluorescence Spectra of Aromatic Amino Acids.
Topics: Amino Acids; Amino Acids, Aromatic; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2020 |
Metabolomics and correlation network analysis of follicular fluid reveals associations between l-tryptophan, l-tyrosine and polycystic ovary syndrome.
Topics: Adult; Female; Follicular Fluid; Gas Chromatography-Mass Spectrometry; Humans; Insulin Resistance; Metabolic Networks and Pathways; Metabolome; Metabolomics; Obesity; Polycystic Ovary Syndrome; Tryptophan; Tyrosine | 2021 |
Simultaneous determination of 30 neurologically and metabolically important molecules: A sensitive and selective way to measure tyrosine and tryptophan pathway metabolites and other biomarkers in human serum and cerebrospinal fluid.
Topics: Biomarkers; Chromatography, High Pressure Liquid; Clinical Chemistry Tests; Humans; Metabolic Networks and Pathways; Reproducibility of Results; Spectrometry, Mass, Electrospray Ionization; Tryptophan; Tyrosine | 2021 |
Colorimetric recognition of aromatic amino acid enantiomers by gluconic acid-capped gold nanoparticles.
Topics: Colorimetry; Gluconates; Gold; Metal Nanoparticles; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine | 2021 |
3-(4-Carboxybenzoyl)quinoline-2-carboxaldehyde labeling for direct analysis of amino acids in plasma is not suitable for simultaneous quantification of tryptophan, tyrosine, valine, and isoleucine by CE/fluorescence.
Topics: Amino Acids; Animals; Isoleucine; Mice; Quinolines; Tryptophan; Tyrosine; Valine | 2021 |
Social interactions upregulate hemolymph tryptophan and tyrosine levels in the male lobster cockroach.
Topics: Animals; Cockroaches; Hemolymph; Male; Social Interaction; Tryptophan; Tyrosine | 2021 |
Capillary electrophoresis and molecular modeling of the chiral separation of aromatic amino acids using α/β-cyclodextrin and 18-crown-6.
Topics: alpha-Cyclodextrins; Amines; Amino Acids; Amino Acids, Aromatic; beta-Cyclodextrins; Crown Ethers; Electrophoresis, Capillary; Phenylalanine; Stereoisomerism; Tryptophan; Tyrosine | 2021 |
Characterization of Light-Induced, Short-Lived Interacting Radicals in the Active Site of Flavoprotein Ferredoxin-NADP
Topics: Bacillus subtilis; Catalytic Domain; Electron Transport; Ferredoxin-NADP Reductase; Free Radicals; Light; Molecular Dynamics Simulation; Mutagenesis, Site-Directed; NADP; Protein Binding; Quantum Theory; Tryptophan; Tyrosine | 2021 |
Effects of Tyrosine and Tryptophan in Rats with Diet-Induced Obesity.
Topics: Animals; Body Weight; Cytokines; Diet; Energy Metabolism; Feeding Behavior; Inflammation; Liver; Male; Memory; Obesity; Rats; Rats, Wistar; Triglycerides; Tryptophan; Tyrosine | 2021 |
Structural features of the plant N-recognin ClpS1 and sequence determinants in its targets that govern substrate selection.
Topics: Adaptor Proteins, Signal Transducing; Amino Acid Sequence; Arabidopsis; Arabidopsis Proteins; Binding Sites; Carrier Proteins; Chloroplasts; Cloning, Molecular; Conserved Sequence; Escherichia coli; Escherichia coli Proteins; Gene Expression; Genetic Vectors; Leucine; Models, Molecular; Phenylalanine; Protein Binding; Protein Conformation, alpha-Helical; Protein Conformation, beta-Strand; Protein Interaction Domains and Motifs; Proteolysis; Recombinant Proteins; Substrate Specificity; Tryptophan; Tyrosine | 2021 |
Multivalent Tryptophan- and Tyrosine-Containing [60]Fullerene Hexa-Adducts as Dual HIV and Enterovirus A71 Entry Inhibitors.
Topics: Enterovirus; Fullerenes; Hexosaminidase A; HIV Infections; Humans; Tryptophan; Tyrosine | 2021 |
Topics: Animals; Anti-Inflammatory Agents; Basidiomycota; Bile Acids and Salts; Colitis; Dextran Sulfate; Disease Models, Animal; Female; Forkhead Transcription Factors; Fungal Polysaccharides; Gastrointestinal Microbiome; Gram-Negative Bacteria; Gram-Positive Bacteria; Mice; Mice, Inbred C57BL; Molecular Weight; Protective Agents; RNA, Ribosomal, 16S; Signal Transduction; T-Lymphocytes, Regulatory; Treatment Outcome; Tryptophan; Tyrosine | 2021 |
Employing metabolomic approaches to determine the influence of age on experimental autoimmune encephalomyelitis (EAE).
Topics: Age Factors; Aging; Animals; Autoimmunity; Brain; Disease Models, Animal; Encephalomyelitis, Autoimmune, Experimental; Fatty Acids, Unsaturated; Female; Interleukin-6; Metabolome; Metabolomics; Mice; Mice, Inbred C57BL; NADPH Oxidases; Risk Factors; Sphingolipids; Spinal Cord; Tryptophan; Tyrosine | 2021 |
Study of structural changes of gluten proteins during bread dough mixing by Raman spectroscopy.
Topics: Bread; Disulfides; Flour; Glutens; Phosphines; Protein Structure, Secondary; Spectrum Analysis, Raman; Triticum; Tryptophan; Tyrosine | 2021 |
The entry reaction of the plant shikimate pathway is subjected to highly complex metabolite-mediated regulation.
Topics: Amino Acids, Dicarboxylic; Arabidopsis; Cyclohexenes; Phenylalanine; Seedlings; Shikimic Acid; Tryptophan; Tyrosine | 2021 |
Effects of Tyrosine and Tryptophan Supplements on the Vital Indicators in Mice Differently Prone to Diet-Induced Obesity.
Topics: Animals; Diet, High-Fat; Dietary Supplements; Dopamine; Liver; Male; Mice; Mice, Inbred DBA; Obesity; Tryptophan; Tyrosine | 2021 |
3D Interaction Homology: Hydropathic Analyses of the "π-Cation" and "π-π" Interaction Motifs in Phenylalanine, Tyrosine, and Tryptophan Residues.
Topics: Cations; Phenylalanine; Proteins; Tryptophan; Tyrosine | 2021 |
Influence of pH on radical reactions between kynurenic acid and amino acids tryptophan and tyrosine. Part I. Amino acids in free state.
Topics: Amino Acids; Free Radicals; Humans; Hydrogen-Ion Concentration; Kinetics; Kynurenic Acid; Oxidation-Reduction; Tryptophan; Tyrosine | 2021 |
Tyrosine and Tryptophan vibrational bands as markers of kidney injury: a renocardiac syndrome induced by renal ischemia and reperfusion study.
Topics: Animals; Biomarkers; Cardio-Renal Syndrome; Disease Management; Disease Susceptibility; Kidney Diseases; Male; Mice; Organ Specificity; Reperfusion Injury; Spectrum Analysis; Tryptophan; Tyrosine | 2021 |
Heat Capacities of l-Histidine, l-Phenylalanine, l-Proline, l-Tryptophan and l-Tyrosine.
Topics: Histidine; Hot Temperature; Phenylalanine; Proline; Thermodynamics; Tryptophan; Tyrosine | 2021 |
Cold Atmospheric Plasma Changes the Amino Acid Composition of Solutions and Influences the Anti-Tumor Effect on Melanoma Cells.
Topics: Apoptosis; Cells, Cultured; Cyclin-Dependent Kinase Inhibitor p16; Humans; Melanocytes; Melanoma; Plasma Gases; Reactive Nitrogen Species; Reactive Oxygen Species; Tryptophan; Tyrosine | 2021 |
Influence of pH on radical reactions between kynurenic acid and amino acids tryptophan and tyrosine. Part II. Amino acids within the protein globule of lysozyme.
Topics: Amino Acids; Animals; Chickens; Female; Hydrogen-Ion Concentration; Kynurenic Acid; Muramidase; Oxidation-Reduction; Tryptophan; Tyrosine | 2021 |
Fast label-free identification of bacteria by synchronous fluorescence of amino acids.
Topics: Amino Acids; Bacteria; Bacterial Typing Techniques; Calibration; Escherichia coli; Fluorescence; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2021 |
Whey protein concentrate protects against age-dependent alteration in redox biomarkers.
Topics: Aging; Animals; Biomarkers; Cysteine; Drug Evaluation, Preclinical; Erythrocytes; Glycation End Products, Advanced; Lipid Metabolism; Male; Oxidative Stress; Rats, Wistar; Reactive Oxygen Species; Tryptophan; Tyrosine; Whey Proteins | 2020 |
Kynurenic acid and its chromophoric core 4-hydroxyquinoline react with tryptophan
Topics: Electron Transport; Hydrogen-Ion Concentration; Hydroxyquinolines; Kynurenic Acid; Molecular Dynamics Simulation; Tryptophan; Tyrosine | 2021 |
Zinc oxide nanoparticle interface moderation with tyrosine and tryptophan reverses the pro-amyloidogenic property of the particle.
Topics: Amyloid; Animals; Cattle; Insulin; Nanoparticles; Tryptophan; Tyrosine; Zinc Oxide | 2022 |
Genomic characterization between strains selected for death-feigning duration for avoiding attack of a beetle.
Topics: Adaptation, Physiological; Animals; Avoidance Learning; Behavior, Animal; Caffeine; Circadian Rhythm; Gene Regulatory Networks; Genome, Insect; Immobility Response, Tonic; Longevity; Metabolic Networks and Pathways; Protein Interaction Maps; Sequence Analysis, DNA; Tribolium; Tryptophan; Tyrosine; Xenobiotics | 2021 |
Elevated tyrosine results in the cytosolic retention of 3-deoxy-d-arabino-heptulosonate 7-phosphate synthase in Arabidopsis thaliana.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Allosteric Regulation; Arabidopsis; Crystallography, X-Ray; Cytosol; Phosphates; Tryptophan; Tyrosine | 2022 |
Dietary tryptophan, tyrosine, and phenylalanine depletion induce reduced food intake and behavioral alterations in mice.
Topics: Animals; Diet; Eating; Mice; Phenylalanine; Tryptophan; Tyrosine | 2022 |
Protective Effect of Dinitrosyl Iron Complexes Bound with Hemoglobin on Oxidative Modification by Peroxynitrite.
Topics: Animals; Cattle; Electron Spin Resonance Spectroscopy; Humans; Iron; Methemoglobin; Nitrogen Oxides; Oxidation-Reduction; Peroxynitrous Acid; Tryptophan; Tyrosine | 2021 |
Studies on the mechanism of Panax Ginseng in the treatment of deficiency of vital energy dementia rats based on urine metabolomics.
Topics: Animals; Chromatography, High Pressure Liquid; Dementia; Dopamine; Energy Metabolism; Ginsenosides; Humans; Male; Mass Spectrometry; Metabolomics; Panax; Plant Extracts; Polysaccharides; Rats; Rats, Sprague-Dawley; Treatment Outcome; Tryptophan; Tyrosine; Urine | 2022 |
Classification of protein solubilizing solutes by fluorescence assay.
Topics: Fluorescence; Guanidine; Proteins; Solutions; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2022 |
Conformational Transitions in Yeast Chorismate Mutase Important for Allosteric Regulation as Identified by Nuclear Magnetic Resonance Spectroscopy.
Topics: Allosteric Regulation; Chorismate Mutase; Magnetic Resonance Spectroscopy; Nuclear Magnetic Resonance, Biomolecular; Protein Conformation; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Tryptophan; Tyrosine | 2022 |
Metabolomics integrated with transcriptomics reveals the changes during developmental stages in Shiraia bambusicola.
Topics: Ascomycota; Coumarins; Metabolomics; Phenylalanine; Quinones; Terpenes; Transcriptome; Tryptophan; Tyrosine; Ubiquinone | 2022 |
Brain Functional Network and Amino Acid Metabolism Association in Females with Subclinical Depression.
Topics: Brain; Depression; Electroencephalography; Female; Humans; Phenylalanine; Tryptophan; Tyrosine | 2022 |
The Impact of Second Coordination Sphere Methionine-Aromatic Interactions in Copper Proteins.
Topics: Azurin; Copper; Ligands; Methionine; Models, Molecular; Proteins; Tryptophan; Tyrosine | 2022 |
Characterization and Quantification of Tryptophan- and Tyrosine-derived Hydroperoxides.
Topics: Amines; Amino Acids; Hydrogen Peroxide; Oxidation-Reduction; Peptides; Peroxides; Tryptophan; Tyrosine | 2022 |
Metabolomic Workflow for the Accurate and High-Throughput Exploration of the Pathways of Tryptophan, Tyrosine, Phenylalanine, and Branched-Chain Amino Acids in Human Biofluids.
Topics: Amino Acids, Branched-Chain; Chromatography, High Pressure Liquid; Humans; Phenylalanine; Tandem Mass Spectrometry; Tryptophan; Tyrosine; Workflow | 2022 |
Non-Invasive, Topical Sampling of Potential, Low-Molecular Weight, Skin Cancer Biomarkers: A Study on Healthy Volunteers.
Topics: Biomarkers; Biomarkers, Tumor; Healthy Volunteers; Humans; Kynurenine; Molecular Weight; Phenylalanine; Skin Neoplasms; Tryptophan; Tyrosine | 2022 |
L-tyrosine-bound ThiH structure reveals C-C bond break differences within radical SAM aromatic amino acid lyases.
Topics: Catalysis; Lyases; S-Adenosylmethionine; Tryptophan; Tyrosine | 2022 |
Correlation between stage of prostate cancer and tyrosine and tryptophan in urine samples measured electrochemically.
Topics: Biomarkers, Tumor; Chromatography, Liquid; Humans; Male; Prostate-Specific Antigen; Prostatic Neoplasms; Tryptophan; Tyrosine | 2022 |
On 'Fluorescence and the structure of proteins. I. Effects of substituents on the fluorescence of indole and phenol compounds' by Robert W. Cowgill.
Topics: Fluorescence; Indoles; Phenols; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2022 |
Insight into the differences in the toxicity mechanisms of dinotefuran enantiomers in zebrafish by UPLC-Q/TOF-MS.
Topics: Animals; Arginine; Biomarkers; Chromatography, High Pressure Liquid; Glycerophospholipids; Guanidines; Insecticides; Metabolome; Metabolomics; Neonicotinoids; Nitro Compounds; Phenylalanine; Proline; Stereoisomerism; Tryptophan; Tyrosine; Vitamin A; Zebrafish | 2022 |
DeepHisCoM: deep learning pathway analysis using hierarchical structural component models.
Topics: Biological Factors; Carcinoma, Hepatocellular; COVID-19; Deep Learning; Gonadotropin-Releasing Hormone; Humans; Isoleucine; Leucine; Liver Neoplasms; Lysine; Mitogen-Activated Protein Kinases; Phenylalanine; Tryptophan; Tyrosine; Valine | 2022 |
On Aromaticity of the Aromatic α-Amino Acids and Tuning of the NICS Indices to Find the Aromaticity Order.
Topics: Amino Acids; Amino Acids, Aromatic; Phenylalanine; Tryptophan; Tyrosine | 2022 |
Reprint of: Fluorescence and the Structure of Proteins. I. Effects of Substituents on the Fluorescence of Indole and Phenol Compounds.
Topics: Indoles; Phenols; Proteins; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2022 |
Influence of plasma halide, pseudohalide and nitrite ions on myeloperoxidase-mediated protein and extracellular matrix damage.
Topics: Extracellular Matrix; Humans; Hydrogen Peroxide; Hypochlorous Acid; Methionine; Nitrites; Nitrogen Dioxide; Oxidants; Peroxidase; Tryptophan; Tyrosine | 2022 |
Metabolomic Characterization of Acute Ischemic Stroke Facilitates Metabolomic Biomarker Discovery.
Topics: Argininosuccinic Acid; Biomarkers; Glucosamine; Glycerophospholipids; Humans; Ischemic Stroke; Lysine; Metabolomics; Oxygen; Phenylalanine; RNA, Transfer; Stroke; Tryptophan; Tyrosine | 2022 |
Tryptophan-tyrosine dipeptide improves tau-related symptoms in tauopathy mice.
Topics: Alzheimer Disease; Animals; Dipeptides; Disease Models, Animal; Mice; Mice, Transgenic; tau Proteins; Tauopathies; Tryptophan; Tyrosine | 2023 |
Photoswitching of Feedback Inhibition by Tryptophan in Anthranilate Synthase.
Topics: Amino Acids; Anthranilate Synthase; Feedback; Kinetics; Tryptophan; Tyrosine | 2022 |
Population-based metagenomics analysis reveals altered gut microbiome in sarcopenia: data from the Xiangya Sarcopenia Study.
Topics: alpha-Linolenic Acid; Bacteroides; Clostridiaceae; Clostridiales; Desulfovibrio; Female; Furaldehyde; Gastrointestinal Microbiome; Humans; Middle Aged; Phenylalanine; RNA, Ribosomal, 16S; Sarcopenia; Staurosporine; Tryptophan; Tyrosine | 2022 |
Ultrafast Förster resonance energy transfer between tyrosine and tryptophan: potential contributions to protein-water dynamics measurements.
Topics: Fluorescence Resonance Energy Transfer; Peptides; Tryptophan; Tyrosine; Water | 2022 |
Plasma metabolomic profiling reflects the malnourished and chronic inflammatory state in recessive dystrophic epidermolysis bullosa.
Topics: Chromatography, Liquid; Epidermolysis Bullosa Dystrophica; Fibrosis; Glutamates; Glutamine; Humans; Inflammation; Kynurenine; Malnutrition; Phenylalanine; Succinates; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2022 |
Establishment of an early diagnosis model of colon cancerous bowel obstruction based on 1H NMR.
Topics: 3-Hydroxyanthranilic Acid; Biomarkers; Colon; Early Diagnosis; Humans; Kynurenic Acid; Metabolome; Metabolomics; Phenylalanine; Proton Magnetic Resonance Spectroscopy; Tryptophan; Tyrosine | 2022 |
Dynamics of nitration during dark-induced leaf senescence in Arabidopsis reveals proteins modified by tryptophan nitration.
Topics: Arabidopsis; Nitric Oxide; Peroxynitrous Acid; Plant Senescence; Plants; RNA; Tryptophan; Tyrosine | 2022 |
Role of extracellular polymeric substances in methane production from waste activated sludge induced by conductive materials.
Topics: Anaerobiosis; Bioreactors; Carbon; Cytochromes c; Extracellular Polymeric Substance Matrix; Ferrosoferric Oxide; Iron; Methane; Polysaccharides; Sewage; Tryptophan; Tyrosine | 2022 |
Photo-Reactivity and Photo-Transformation of Algal Dissolved Organic Matter Unraveled by Optical Spectroscopy and High-Resolution Mass Spectrometry Analysis.
Topics: Carbon; Dissolved Organic Matter; Humic Substances; Mass Spectrometry; Plants; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Water | 2022 |
The combination of microbiome and metabolome to analyze the cross-cooperation mechanism of
Topics: Alanine; Animals; Echinacea; Fatty Acids, Volatile; Gastrointestinal Microbiome; Glycine; Glycosphingolipids; Humans; Leucine; Metabolome; Mice; Microbiota; Ornithine; Phenylalanine; Polysaccharides; Porphyrins; Serine; Threonine; Tryptophan; Tyrosine | 2022 |
Using Metabolomics to Identify the Exposure and Functional Biomarkers of Ginger.
Topics: Animals; Biomarkers; Chromatography, Liquid; Humans; Metabolome; Metabolomics; Mice; Phenylalanine; Purines; Tandem Mass Spectrometry; Tryptophan; Tyrosine; Zingiber officinale | 2022 |
Protein engineering for feedback resistance in 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Amino Acids, Aromatic; Carbon; Escherichia coli; Feedback; Isoenzymes; Phenylalanine; Phosphates; Protein Engineering; Tryptophan; Tyrosine | 2022 |
Volatile Dimethyl Disulfide from Guava Plants Regulate Developmental Performance of Asian Citrus Psyllid through Activation of Defense Responses in Neighboring Orange Plants.
Topics: Animals; Catechol Oxidase; Citrus; Citrus sinensis; Disulfides; Hemiptera; Peroxidases; Phenylalanine; Phenylalanine Ammonia-Lyase; Plant Diseases; Polyphenols; Protons; Psidium; Salicylic Acid; Sulfur; Transferases; Tryptophan; Tyrosine | 2022 |
[Mechanism of Cordyceps militaris against non-small cell lung cancer: based on serum metabolomics].
Topics: Alanine; Animals; Arginine; Aspartic Acid; Carcinoma, Non-Small-Cell Lung; Cisplatin; Cordyceps; Glutamic Acid; Glutamine; Glyoxylates; Humans; Lung Neoplasms; Metabolomics; Mice; Mice, Nude; Nitrogen; Phenylalanine; RNA, Transfer; Tryptophan; Tyrosine | 2022 |
Differential sensitivity of metabolic pathways in sugar beet roots to combined salt, heat, and light stress.
Topics: Aspartic Acid; Beta vulgaris; Chlorides; Citric Acid; Cysteine; gamma-Aminobutyric Acid; Gene Expression Regulation, Plant; Glucose; Hot Temperature; Mannitol; Metabolic Networks and Pathways; Plant Roots; Proline; Salinity; Salts; Sodium Chloride; Stress, Physiological; Sugars; Tryptophan; Tyrosine | 2022 |
Intestinal metabolomics of juvenile lenok (Brachymystax lenok) in response to heat stress.
Topics: 12-Hydroxy-5,8,10,14-eicosatetraenoic Acid; Acetylcarnitine; Animals; Aspartic Acid; Erucic Acids; Glucose; Glutamine; Heat-Shock Response; Histidine; Intestines; Lactates; Leucine; Methionine; Oxylipins; Palmitoylcarnitine; Phenylalanine; Phosphatidylcholines; Phosphorylcholine; Proline; Salmonidae; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2022 |
Exploration of urinary metabolite dynamicity for early detection of pregnancy in water buffaloes.
Topics: 5-Hydroxytryptophan; Amino Acids, Aromatic; Animals; Bison; Buffaloes; Female; Pregnancy; Tryptophan; Tyrosine | 2022 |
Crystal structures of FNIP/FGxxFN motif-containing leucine-rich repeat proteins.
Topics: Amino Acid Sequence; Asparagine; Dictyostelium; Histidine; Isoleucine; Leucine; Leucine-Rich Repeat Proteins; Phenylalanine; Tryptophan; Tyrosine | 2022 |
Ultraviolet humic-like component contributes to riverine dissolved organic matter biodegradation.
Topics: Carbon Dioxide; Dissolved Organic Matter; Ecosystem; Humic Substances; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2023 |
Does Tyrosine Protect
Topics: Catalytic Domain; Laccase; Oxidation-Reduction; Oxidative Stress; Oxygen; Streptomyces coelicolor; Tryptophan; Tyrosine | 2022 |
Exploring the nephrotoxicity of sulfur-containing derivatives in sulfur-fumigated Panacis Quinquefolii Radix based on chemical profiling and untargeted metabolomics.
Topics: Animals; Chromatography, High Pressure Liquid; Drugs, Chinese Herbal; Fumigation; Metabolomics; Mice; Molecular Docking Simulation; Phenylalanine; Sulfur; Tryptophan; Tyrosine | 2023 |
Comparative study of binding interactions between different dietary flavonoids and soybean β-conglycinin and glycinin: Impact on structure and function of the proteins.
Topics: Antigens, Plant; Antioxidants; Globulins; Glucosides; Molecular Docking Simulation; Phlorhizin; Polyphenols; Seed Storage Proteins; Soybean Proteins; Tryptophan; Tyrosine | 2022 |
Characterization of copper binding to biochar-derived dissolved organic matter: Effects of pyrolysis temperature and natural wetland plants.
Topics: Charcoal; Copper; Dissolved Organic Matter; Humic Substances; Metals, Heavy; Pyrolysis; Temperature; Tryptophan; Tyrosine; Wetlands | 2023 |
Unsupervised recognition of components from the interaction of BSA with Fe cluster in different conditions utilizing 2D fluorescence spectroscopy.
Topics: Phenylalanine; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2022 |
Tryptophan Can Promote Oxygen Reduction to Water in a Biosynthetic Model of Heme Copper Oxidases.
Topics: Heme; Hydrogen Peroxide; Oxidation-Reduction; Oxidoreductases; Oxygen; Tryptophan; Tyrosine; Water | 2023 |
Gut microbiome and metabolic activity in type 1 diabetes: An analysis based on the presence of GADA.
Topics: Antibodies; Diabetes Mellitus, Type 1; Gastrointestinal Microbiome; Glutamate Decarboxylase; Humans; Phenylalanine; RNA, Ribosomal, 16S; Tryptophan; Tyrosine | 2022 |
Tryptophan-96 in cytochrome P450 BM3 plays a key role in enzyme survival.
Topics: Bacillus megaterium; Bacterial Proteins; Cytochrome P-450 Enzyme System; Heme; NADPH-Ferrihemoprotein Reductase; Oxidation-Reduction; Tryptophan; Tyrosine | 2023 |
Seven New Alkaloids Isolated from Marine Flavobacterium
Topics: Alkaloids; Anti-Bacterial Agents; Anti-Infective Agents; Carboxy-Lyases; Flavobacterium; Microbial Sensitivity Tests; Nitrogen; Tryptamines; Tryptophan; Tyramine; Tyrosine | 2022 |
Metabolomics Profiling of Nephrotic Syndrome towards Biomarker Discovery.
Topics: Arginine; Biomarkers; Humans; Lysine; Metabolome; Metabolomics; Nephrotic Syndrome; Phenylalanine; Proline; Threonine; Tryptophan; Tyrosine | 2022 |
Metabolic pathway analysis of hyperuricaemia patients with hyperlipidaemia based on high-throughput mass spectrometry: a case‒control study.
Topics: Alanine; Aspartic Acid; Biomarkers; Case-Control Studies; Glycine; Humans; Hyperlipidemias; Hyperuricemia; Linoleic Acid; Mass Spectrometry; Metabolic Diseases; Metabolic Networks and Pathways; Phenylalanine; Serine; Threonine; Tryptophan; Tyrosine | 2022 |
Interference-free quantitation of aromatic amino acids in two complex systems by three-way calibration with ultraviolet-visible spectrophotometer: Exploration of trilinear decomposition of spectrum-pH data.
Topics: Algorithms; Amino Acids, Aromatic; Calibration; Chromatography, High Pressure Liquid; Hydrogen-Ion Concentration; Phenylalanine; Tryptophan; Tyrosine | 2023 |
Carbon Inks-Based Screen-Printed Electrodes for Qualitative Analysis of Amino Acids.
Topics: Amino Acids; Carbon; Electrochemical Techniques; Electrodes; Ink; Tryptophan; Tyrosine; Zinc Oxide | 2023 |
Spectrofluorimetric methods for the determination of mirabegron by quenching tyrosine and L-tryptophan fluorophores: Recognition of quenching mechanism by stern volmer relationship, evaluation of binding constants and binding sites.
Topics: Binding Sites; Fluorescent Dyes; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2023 |
UPLC/Q-TOF-MS-based metabolomics evaluate the efficacy of oroxylin A against postmenopausal osteoporosis.
Topics: Animals; Biomarkers; Female; Humans; Mass Spectrometry; Metabolomics; Mice; Osteoporosis, Postmenopausal; Phenylalanine; Tryptophan; Tyrosine | 2023 |
Ultrafast Förster resonance energy transfer from tyrosine to tryptophan in monellin: potential intrinsic spectroscopic ruler.
Topics: Fluorescence Resonance Energy Transfer; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2023 |
Higher dietary intake of aromatic amino acids was associated with lower risk of cardiovascular disease mortality in adult participants in NHANES III.
Topics: Adult; Amino Acids; Amino Acids, Aromatic; Cardiovascular Diseases; Cohort Studies; Eating; Humans; Nutrition Surveys; Phenylalanine; Tryptophan; Tyrosine; United States | 2023 |
Spectroscopic Investigation of the Metal Coordination of the Aromatic Amino Acids with Zinc and Cadmium.
Topics: Amino Acids, Aromatic; Benzene; Cadmium; Nitrogen; Oxygen; Phenylalanine; Spectrophotometry, Infrared; Tryptophan; Tyrosine; Zinc | 2023 |
Nano-bio interface between As
Topics: Nanoparticles; Protein Binding; Protein Structure, Secondary; Serum Albumin, Bovine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2023 |
Photoradical-Mediated Catalyst-Independent Protein Cross-Link with Unusual Fluorescence Properties.
Topics: Fluorescence; Humans; Mitochondrial Membranes; Proteins; Tryptophan; Tyrosine | 2023 |
Dynamic changes of serum metabolite profiling in septic mice based on high performance liquid chromatography of quadrupole time of flight mass spectrometry analysis.
Topics: Animals; Biomarkers; Chromatography, High Pressure Liquid; Male; Metabolomics; Mice; Phenylalanine; Sepsis; Tandem Mass Spectrometry; Tryptophan; Tyrosine | 2023 |
Atlas of gut microbe-derived products from aromatic amino acids and risk of cardiovascular morbidity and mortality.
Topics: Amino Acids, Aromatic; Animals; Disease Progression; Gastrointestinal Microbiome; Glucuronides; Glutamine; Humans; Indoles; Mice; Myocardial Infarction; Tryptophan; Tyrosine | 2023 |
Ultraviolet Resonance Raman Spectra of Serum Albumins.
Topics: Humans; Phenylalanine; Serum Albumin; Serum Albumin, Bovine; Spectrum Analysis, Raman; Tryptophan; Tyrosine; Vibration | 2023 |
The effect of inflammation, SARS-CoV-2 infection, age and mental health on serotonin, and kynurenine and catecholamine pathway metabolites.
Topics: COVID-19; Cross-Sectional Studies; Dopamine; Humans; Inflammation; Kynurenine; Mental Health; Phenylalanine; SARS-CoV-2; Serotonin; Tryptophan; Tyrosine | 2023 |
Metabolomics analysis of visceral leishmaniasis based on urine of golden hamsters.
Topics: Animals; Cricetinae; Leishmaniasis, Visceral; Mesocricetus; Metabolomics; Tryptophan; Tyrosine | 2023 |
Trifluoromethylthiolation of Tryptophan and Tyrosine Derivatives: A Tool for Enhancing the Local Hydrophobicity of Peptides.
Topics: Amines; Amino Acids; Peptides; Tryptophan; Tyrosine | 2023 |
Dysregulated meta-organismal metabolism of aromatic amino acids in alcohol-associated liver disease.
Topics: Amino Acids, Aromatic; Gastrointestinal Microbiome; Hepatitis; Hepatitis, Alcoholic; Humans; Liver; Liver Cirrhosis, Alcoholic; Liver Diseases, Alcoholic; Tryptophan; Tyrosine | 2023 |