tryptophan has been researched along with phenylalanine in 2006 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1137 (56.68) | 18.7374 |
| 1990's | 225 (11.22) | 18.2507 |
| 2000's | 337 (16.80) | 29.6817 |
| 2010's | 207 (10.32) | 24.3611 |
| 2020's | 100 (4.99) | 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 |
| Parkkila, AK; Parkkila, S; Puccetti, L; Scozzafava, A; Supuran, CT; Vullo, D | 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 |
| Arslan, O; Aydin, M; Guler, OO; Innocenti, A; Isik, S; Kockar, F; Scozzafava, A; Supuran, CT | 1 |
| Hilvo, M; Innocenti, A; Parkkila, S; Scozzafava, A; Supuran, CT | 1 |
| Cashman, JR; Chung, T; Lanier, M; Millán, JL; Sergienko, E; Simão, AM; Su, Y | 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 |
| Andersen, KB; Bisig, C; Bräuner-Osborne, H; Dietz, GP; Gloriam, DE; Isberg, V | 1 |
| Bonaventure, P; Carruthers, N; Coate, H; Dugovic, C; Dvorak, C; Eckert, W; Harrington, A; Joseph, V; Kuei, C; Lee, G; Li, Q; Liu, C; Lovenberg, TW; Nepomuceno, D; Sutton, SW; Wu, J; Yao, X; Yieh, L; Yun, S | 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 |
| Chien, HC; Colas, C; Giacomini, KM; Hall, C; Schlessinger, A; Thomas, AA; Wells, A; Wolfe, H | 1 |
| Arora, S; Chaturvedi, A; Heuser, M; Joshi, G; Kumar, R; Patil, S | 1 |
| DeLeo, AB; Sprinson, DB | 1 |
| Herrmann, KM; McCray, JW | 1 |
| Hadar, R; Kuhn, J; Slonim, A | 1 |
| Kinsey, JA; Railey, RM | 1 |
| Friedrich, B; Friedrich, CG; Schlegel, HG | 1 |
| Shiio, I; Sugimoto, S | 4 |
| Pratt, OE | 2 |
| Lingens, F | 2 |
| Turner, RB | 1 |
| Daniel, PM; Moorhouse, SR; Pratt, OE | 2 |
| Guarnaccia, R; Luisi, P; Rizzo, V; Straub, B | 1 |
| Fernstrom, JD | 1 |
| Kapatos, G; Zigmond, M | 1 |
| Martín, JF | 1 |
| Brandts, JF; Brennan, M | 1 |
| Toulme, JJ | 1 |
| Shibata, Y | 1 |
| Hedgcoth, C; Juarez, H; Skjold, AC | 1 |
| Fernstrom, JD; Munro, HN; Wurtman, RJ | 2 |
| Baltimore, D; Dahlberg, JE; Harada, F; Haseltine, WA; Panet, A; Peters, G | 1 |
| Daniel, PM; Moorhouse, RS; Pratt, OE | 1 |
| Jones, GH | 1 |
| Fischer, JE; James, JH; Jeppsson, B; Ziparo, V | 1 |
| Becker, HD; Haux, P; Holm, E; Langhans, W; Meisinger, E; Striebel, JP | 1 |
| Munro, HM | 1 |
| Bühlen, E; Bühner, R; Byrd, DJ; Kochen, W | 1 |
| Brown, WJ; Copenhaver, JH; Gunter, R; Schalock, RL | 1 |
| Jering, H; Tschesche, H | 2 |
| Airaksinen, MM; MacDonald, EJ; Marvola, M; Turakka, H | 1 |
| Curzon, G; Fernando, JC; Knott, PJ | 1 |
| DeBusk, AG; Larimer, FW | 1 |
| Curzon, G; Fernando, JC | 1 |
| Maki, AH; Zuclich, JA | 1 |
| Fukushima, K; Toyoshima, S | 1 |
| Allerhand, A; Norton, RS; Oldfield, E | 1 |
| Hasselmann, C; Laustriat, G | 1 |
| Batshaw, ML; Brusilow, S; Walser, M | 1 |
| Achverdyan, VZ; Fasiolo, F; Kisselev, LL; Kochkina, LL; Malygin, EG; Zinoviev, VV | 1 |
| Lohmann, W; Neubacher, H; Sportelli, L | 2 |
| Cochran, RA; Ledford, BE; Warner, RW | 1 |
| Arfmann, HA; Seipke, G; Wagner, KG; Wehling, K | 1 |
| Dev, B; Mishra, GC | 1 |
| Azhipa, IaI; Kaiushin, LP; Reutov, VP | 1 |
| Ely, B; Pittard, J | 1 |
| Schulz, H | 1 |
| Silver, MS; Stoddard, M | 1 |
| Dobson, CM; Moore, GR; Williams, RJ | 1 |
| Tesser, GI; Van Nispen, JW | 1 |
| Mavrides, C; Orr, W | 1 |
| Chan, W; Kopple, JD; Siassi, F; Swendseid, ME; Tam, CF; Vyhmeister, I; Wang, M | 1 |
| Barker, RW; Brown, FF; Drake, R; Halsey, MJ; Richards, RE | 1 |
| Montie, TC; Smith, PB | 1 |
| Friedrich, CG; Schlegel, HG | 1 |
| Hunter, AR; Jackson, RJ | 1 |
| Dikow, A; Lolova, I | 2 |
| Lähdesmäki, P; Oja, SS; Vanhatalo, A | 1 |
| Christensen, HN; Handlogten, ME | 1 |
| Kiely, ME; Sourkes, TL | 1 |
| Alvarado, F; Robinson, JW | 1 |
| Wirz-Justice, A | 1 |
| Carlsson, A; Lindqvist, M | 2 |
| Matthews, HR; Matthews, KS; Opella, SJ | 1 |
| Hevia, JE; Teitelbaum, H | 1 |
| Pittard, AJ; Whipp, MJ | 1 |
| Biraghi, A; Carbone, ML; de Scrilli, A; Lucchini, G; Magni, GE | 1 |
| Hiltmann, WD; Holm, E; Langhans, W; Meisinger, E; Striebel, JP | 1 |
| Rafaelsen, OJ; Rosenberg, R | 1 |
| Wannemacher, RW | 1 |
| Fisher, JE; Hodgman, J; James, JH; Rosen, HM; Soeters, PB | 1 |
| de Souza, SW; Pickard, FJ; Tricklebank, MD | 1 |
| Korpi, ER; Oja, SS | 1 |
| Castorina-Ziparo, S; Edelstein, E; Fischer, JE; James, JH; Ziparo, V | 1 |
| Dobson, CM; Woodworth, RC | 1 |
| Karasaki, Y; Ohno, M | 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 |
| Brandt, IK; Elsas, LJ; Jackson, CE; Nance, CS; Nance, WE; Paul, TD | 1 |
| Levy, HL | 1 |
| Blasi, A; Brogna, A; Mangiameli, A; Marletta, F; Monaco, S; Rizzarelli, E; Sammartano, S | 1 |
| Lifehitz, F; Moak, SA; Wapnir, RA | 1 |
| Brown, JW; Conkin, AL; Lasley, SM; Thurmond, JB | 1 |
| Thurmond, JB | 1 |
| Davidson, CS; Fernstrom, JD; Hammarstrom-Wiklund, B; Munro, HN; Rand, WM; Wurtman, RJ | 2 |
| Borkowska, I | 1 |
| Hannus, ML; Lähdesmäki, P | 1 |
| Davis, RH | 2 |
| De Montis, MG; Haber, B; Olianas, MC; Tagliamonte, A | 1 |
| Laakso, ML | 1 |
| Grossman, MI; Strunz, UT; Walsh, JH | 1 |
| Demain, AL; Sanchez, S | 1 |
| Escourrou, J; Fischer, JE; James, JH | 1 |
| Brandt, IK; Elsas, LJ; Jackson, CE; Mamunes, P; Nance, CS; Nance, WE; Paul, TD | 1 |
| Beaff, D; Bielinski, S; Kirschenbaum, B; Lasser, AE; Schultz, BC | 1 |
| Balestrieri, C; Colonna, G; Giovane, A; Irace, G; Servillo, L | 2 |
| Araki, K; Kase, H; Nakayama, K | 1 |
| Christen, P; Mavrides, C | 1 |
| Grossweiner, LI | 1 |
| Murray, GE; Smith-Keary, PF | 1 |
| Dohmoto, C; Hasegawa, H; Ichiyama, A; Kataoka, T; Tohyama, C | 1 |
| White, PJ | 1 |
| Daniel, J | 1 |
| Jones, DS; Old, JM | 1 |
| Bouknight, RR; Sadoff, HL | 1 |
| Aguirre, A; Fischer, JE; Funovics, JM; James, JH; Keane, JM; Wesdorp, RI; Westman, T; Yoshimura, N | 1 |
| Bieger, W; Kern, HF | 1 |
| Singh, I; Tsang, KY | 1 |
| Bozcuk, AN | 1 |
| Batshaw, M; Brusilow, S; Kulovich, S; Nyhan, W; Spector, E; Thoene, J; Walser, M | 1 |
| Archer, EG; Breakefield, XO; Sharata, MN | 1 |
| Chang, I; Lyman, RL; Schneeman, BO; Smith, LB | 1 |
| Anda, LP; Bantzer, P; Liappis, N | 1 |
| Luisi, PL; Saltman, R; Vlach, D | 1 |
| Poll, EH; Smeets, PJ; Tesser, GI; Van Nispen, JW | 1 |
| Hughes, JV; Johnson, TC | 1 |
| Ohno, T; Tasaki, I | 1 |
| Herken, H; Reuther, E; Weber, HJ | 1 |
| Rogers, QR; Shenoy, ST | 1 |
| Gambardella, RL; Richardson, KE | 1 |
| Ichikawa, T; Terada, H | 1 |
| Cox, RP; Deutsch, SI; Ghosh, NK | 1 |
| McDonald, JK; Schwabe, C; Steinetz, BG | 1 |
| Coovadia, HM; Soothill, JF | 1 |
| Cummings, MG; Fischer, JE; James, JH; Kean, JM; Soeters, PB | 1 |
| Jones, RS; Kelly, GA; Meyer, JH; Spingola, LJ | 1 |
| Andersen, AE; Avins, L | 1 |
| Burgen, AS; Feeney, J; Griffiths, DV; Roberts, GC | 1 |
| Isogai, Y; Saitô, N; Wako, H; Watari, H; Yamada, T | 1 |
| Kay, CM; McCubbin, WD | 1 |
| Grahame-Smith, DG; Green, AR; Woods, HF; Youdim, MB | 1 |
| Blair, JA; Green, A; Leeming, RJ; Raine, DN | 1 |
| Oratz, M; Rothschild, MA; Schreiber, SS | 1 |
| Faller, DV; Fernstrom, JD; Shabshelowitz, H | 1 |
| Glassgold, JM; Hauser, DC; Levandowsky, M | 1 |
| Yamamoto, O | 2 |
| Buchingham, R; Favre, A; Thomas, G | 1 |
| Corwin, LM; Thorne, GM | 1 |
| Brown, KD; Zurawski, G | 1 |
| Frazer, A; Mendels, J | 1 |
| Ashida, K; Yokogoshi, H | 1 |
| Oja, SS; Vahvelainen, ML | 2 |
| Cooke, AR; Stephens, JR; Woolson, RF | 1 |
| Lähdesmäki, P; Oja, SS | 1 |
| Craddock, SN; Riopelle, AJ | 1 |
| Modin, R; Nordgren, T | 1 |
| Crewe, AV; Isaacson, MS; Ramamurti, K | 1 |
| Biguet, J; Dujardin, L; Lacoste, L | 1 |
| Nishimoto, Y; Shibata, Y; Takeuchi, F; Tatsuma, Y | 1 |
| Byrd, DJ; Kochen, W; Schürrle, L; Trefz, FK | 1 |
| Kalghatgi, KK; Subba Rao, PV | 1 |
| Baillie, RD; Horowitz, PM | 1 |
| Gianola, P; Guarnaccia, R; Luigi Luisi, P; Rizzo, V | 1 |
| Elsden, SR; Hilton, MG; Waller, JM | 1 |
| Bleich, HE; Cutnell, JD; Glasel, JA | 1 |
| Koppenol, WH; Maskos, Z; Rush, JD | 1 |
| Kobayashi, I; Nagamine, T; Negishi, M; Saito, S; Sato, N; Shimizu, H; Shimomura, Y; Takahashi, M; Uehara, Y; Yamada, S | 1 |
| Lewis, RV; Mach, H; Middaugh, CR | 1 |
| Mosckovitz, R; Tate, SS; Udenfriend, S; Yan, N | 1 |
| Gonzalez, L; Maegley, KA; Reich, NO; Smith, DW | 1 |
| Kendall, DA; Rusch, SL | 1 |
| João, HC; Taddei, N; Williams, RJ | 1 |
| Alroy, J; Arias, IM; Gatmaitan, Z; Inoue, M; Jansen, P; Kitamura, T; Mikami, T | 1 |
| Blumenstein, M; Gurland, HJ; Ikonomov, V; Samtleben, W; Schmidt, B | 1 |
| De Maeyer, M; Lambeir, AM; Lasters, I; Lauwereys, M; Matthyssens, G; Mrabet, NT; Snauwaert, J; Stanssens, P; van Tilbeurgh, H; Wodak, SJ | 1 |
| Anglister, J; Zilber, B | 1 |
| Bollmann, G; Redmann, K | 1 |
| Andersen, OS; Becker, MD; Greathouse, DV; Koeppe, RE | 1 |
| Furusaki, S; Ishigaki, I; Kim, M; Saito, K; Sato, T; Sugo, T | 1 |
| Goldman, LM; Rapkin, AJ; Reading, AE; Woo, S | 1 |
| Ishiguro, I; Nagamura, Y; Ohta, Y; Saito, K; Sasaki, E; Shinohara, R; Tagaya, O; Takahashi, H | 1 |
| Bertaux, S; Harrison, RG | 1 |
| Antonozzi, I; Birarelli, M; Carducci, C; Moretti, F | 1 |
| Bhattacharya, SK; Clow, A; Glover, V; Halket, J; Przyborowska, A; Sandler, M | 1 |
| Aslanian, D; Balkanski, M; Bon, S; Chatel, JM; Grof, P; Masson, P; Massoulié, J; Négrerie, M; Taylor, P | 1 |
| Chatterjee, SP; Maiti, TK | 1 |
| Banville, D; Hutnik, CM; MacManus, JP; Szabo, AG | 1 |
| Kakinuma, H; Sato, H; Tsuchiya, M; Yokoyama, Y | 1 |
| De Vries, JB; Westerink, BH | 1 |
| Heatwole, VM; Somerville, RL | 1 |
| Elofsson, A; Holmgren, A; Krause, G; Nilsson, L; Rigler, R; Roslund, J | 1 |
| Braus, GH | 1 |
| Blomstrand, E; Hassmén, P; Newsholme, EA | 1 |
| Appleman, JR; Beard, WA; Blakley, RL; Delcamp, TJ; Freisheim, JH; Huang, SM | 1 |
| Birnbaum, D; Bode, R | 1 |
| el-Sayed, MA; Gobind Khorana, H; Jang, DJ; Marti, T; Mogi, T; Wu, SG | 1 |
| Mital, R; Srivastava, TS | 1 |
| Gaudemer, A; Mikros, E; Perrèe-Fauvet, M; Verchére-Bèaur, C | 1 |
| Arnold, JR; Bauer, CJ; Birdsall, B; Carr, MD; Feeney, J; Frenkiel, TA; Jimenez-Barbero, J; Roberts, GC; Tendler, SJ; Thomas, JA | 1 |
| Hayashi, H; Inoue, Y; Kagamiyama, H; Kuramitsu, S; Morino, Y | 1 |
| Brown, JF; Dawes, IW | 1 |
| Blondeau, JP; Francon, J; Osty, J; Samson, M; Zhou, Y | 1 |
| Baker, GB; Bornstein, RA; Carroll, A; Douglass, AB; King, G; Wong, JT | 1 |
| Edalji, R; Egan, DA; Fesik, SW; Gampe, RT; Helfrich, R; Holzman, TF; Kishore, V; Luly, JR; Rich, DH; Simmer, R | 1 |
| Kawata, Y; Mizobata, T; Tani, S; Tokushige, M; Tsujimoto, N | 1 |
| McIvor, RS; Simonsen, CC | 1 |
| Azorin, JM; Barré, A; Bovier, P; Chiaroni, P; Dufour, H; Jeanningros, R; Tatossian, A; Tissot, R; Widmer, J | 1 |
| Ahmad, S; Jensen, RA; Weisburg, WG | 1 |
| Dubin, A; Javaid, JI; Mizock, BA; Poulos, A; Rackow, EC; Sabelli, HC | 1 |
| Nozaki, Y | 1 |
| Fujimura, M; Greeley, GH; Khalil, T; Sakamoto, T; Thompson, JC; Townsend, CM | 1 |
| Chafey, P; Ettori, C; Righetti, PG; Wahrmann, JP | 1 |
| Ishiguro, I; Nagamura, Y; Ohta, Y; Saito, K; Sasaki, E | 1 |
| Horowitz, PM; Mann, CJ; Mitchell, T; Nishimura, JS; Ybarra, J | 1 |
| Bradley, JL; McGuire, PM | 1 |
| Hertz, MM; Knudsen, GM; Patlak, CS; Paulson, OB; Pettigrew, KD | 1 |
| Huether, G | 1 |
| Greengard, O; Wolfe, J | 1 |
| Spector, AA; Strom, DK; Yorek, MA | 1 |
| Botez, MI; Marchand, L; Teff, KL; Young, SN | 1 |
| Blomstrand, E; Newsholme, EA; Parry-Billings, M; Perrett, D | 1 |
| Dale, WE; Solomon, TE; Turkelson, CM | 1 |
| Wheeler, CP; Yudilevich, DL | 1 |
| Bel, Y; Ferré, J | 1 |
| Llinás, M; Petros, AM; Ramesh, V | 1 |
| Boroń, P; Farbiszewski, R; Flisiak, R; Nowak, H; Pytel, B; Szpakowicz, T; Zimnoch, L | 1 |
| Arceneaux, JE; Barghouthi, S; Byers, BR; Clem, LW; Olson, MO; Young, R | 1 |
| Arceneaux, JE; Barghouthi, S; Byers, BR; Young, R | 1 |
| Boelens, R; De Marco, A; Kaptein, R; Llinás, M; Petros, AM | 1 |
| Khorana, HG; Marti, T; Mogi, T | 1 |
| Bell, EF; Filer, LJ; Stegink, LD; Tephly, TR; Ziegler, EE | 1 |
| Knowles, RG; Pogson, CI; Salter, M | 4 |
| Ahl, PL; Khorana, HG; Mogi, T; Rothschild, KJ; Stern, LJ | 1 |
| Addetia, R; Livesey, DL; Mailer, K | 1 |
| Hopfinger, AJ; Johnson, ME; Yuan, CJ | 1 |
| Eriksson, T; Eriksson, TE; Voog, L; Wålinder, J | 1 |
| da Costa Ribeiro, H; Lifshitz, F; Roberts, B; Teichberg, S; Wapnir, RA; Zdanowicz, M | 1 |
| Møller, SE | 2 |
| Hayashi, T; Nakane, A; Naruse, H; Takesada, M; Yamazaki, K | 1 |
| Blusztajn, JK; Caballero, B; Conlay, LA; During, M; Evoniuk, G; Logue, M; Lopez G-Coviella, I; Maher, TJ; Vacanti, CA; Wurtman, RJ | 1 |
| Delcamp, TJ; Freisheim, JH; Huang, SM; Prendergast, NJ; Smith, PL; Tan, XH | 1 |
| Bugg, CE; Drobny, G; Klevit, RE; Krishna, NR; Nettesheim, DG; Watt, DD | 1 |
| Gehrmann, J; Neuhoff, V; Schott, K | 1 |
| Anglister, J; Levy, R; Scherf, T | 1 |
| Craig, S; Pain, RH; Schmeissner, U; Virden, R; Wingfield, PT | 1 |
| Laursen, RA; Llinás, M; Motta, A; Park, CH; Tulinsky, A | 1 |
| Altschmied, L; Hansen, D; Hillen, W | 1 |
| Carlsson, A; Eriksson, T | 1 |
| Gyenes, M; Llinás, M; Patthy, L; Petros, AM | 1 |
| Llinás, M; Ramesh, V; Simplaceanu, EL; Thewes, T | 1 |
| Edwards, SL; Fishel, LA; Kraut, J; Mauro, JM; Miller, MA; Wang, JM; Xuong, NH | 1 |
| Cusanovich, MA; Fishel, LA; Hazzard, JT; Kraut, J; Mauro, JM; Meyer, TE; Tollin, G | 1 |
| Ahmad, S; Jensen, RA; Rightmire, B | 1 |
| Fischer, JE; Hasselgren, PO | 1 |
| Jigami, Y; Morikawa, M; Muraki, M; Tanaka, H | 1 |
| Rege, AA | 1 |
| Greten, H; Lenz, HJ; Struck, T | 1 |
| Gu, WL; Jiao, RS; Xia, TH | 1 |
| Collard, KJ; Lewis, DJ; Wilkinson, LS | 1 |
| Bali, JP; Castro, B; Lignon, MF; Magous, R; Martinez, J; Nisato, D | 1 |
| Birdsall, B; Feeney, J; Hammond, SJ; Roberts, GC; Searle, MS | 1 |
| Chase, JW; Coleman, JE; Konigsberg, WH; Prigodich, RV; Shamoo, Y; Williams, KR | 1 |
| Gyenes, M; Llinás, M; Patthy, L; Ramesh, V | 1 |
| Fiers, W; Tavernier, J; Van Ostade, X | 1 |
| Brookes, N | 1 |
| de Boer, JE; Janssen, MA; Oostenbroek, RJ; Soeters, PB; van Dongen, JJ | 1 |
| Wilson, RP | 1 |
| Grove, CL; Gunsalus, RP | 1 |
| Boocock, MR; Campbell, MS; Chaudhuri, S; Coggins, JR; Lambert, JM; Lewendon, A; Mousdale, DM; Smith, DD | 1 |
| Akhrem, AA; Chaschin, VL; Rein, H; Ristau, O; Ruckpaul, K; Shkumatov, VM; Smettan, G | 1 |
| Cserháti, T; Szögyi, M | 1 |
| Clandinin, MT; Fawcett, DM; Johnston, JL; McCargar, LJ | 1 |
| Casas-Finet, JR; Chase, JW; Khamis, MI; Maki, AH | 1 |
| Conn, EE; Kuroki, GW | 1 |
| Kaneda, N; Kano, K; Koizumi, S; Nagatsu, T; Tanaka, F | 1 |
| Barron, BC; Kuck, JF; Yu, NT | 1 |
| Navab, F; Winter, CG | 1 |
| Bayley, HS; Lin, FD; Smith, TK | 2 |
| Bujalowski, W; Porschke, D | 1 |
| Banfi, L; Kozak, W; Valzelli, L | 1 |
| Miyamoto, T; Takahashi, K; Yoshinoya, S; Yoshizawa, H | 1 |
| Fuda, H; Hasegawa, H; Hatano, M; Katsu, K; Yamada, T | 1 |
| Millinger, GS | 1 |
| Giraud, O; Kozak, W; Valzelli, L | 1 |
| Fernstrom, JD; Fernstrom, MH; Grubb, PE | 1 |
| Ho, C; Russu, IM | 1 |
| Hansen, D; Hillen, W | 1 |
| Catalá, MD; Quay, WB; Timiras, PS | 1 |
| Arantes, EC; Arêas, EP; Giglio, JR; Kawano, Y | 1 |
| Dykert, J; Porter, J; Rivier, J | 1 |
| Kumpati, J | 3 |
| Endo, T; Kim, HS; Maeda, N; Miyazawa, T; Tamiya, N | 1 |
| Massey, JB; Pownall, HJ | 1 |
| Devoe, LD; Ganapathy, ME; Ganapathy, V; Howard, JC; Leibach, FH; Mahesh, VB | 1 |
| Daines, GE; Mitchell, MJ; Thomas, BL | 1 |
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| Akbarian, S; Kompany-Zareh, M; Najafpour, MM | 1 |
| Brakhage, AA; Fliegmann, J; Furch, ACU; Gandhi, A; Kniemeyer, O; Krüger, T; Oelmüller, R; Scholz, SS; Tseng, YH | 1 |
| Bao, M; Ding, X; Guo, S; Ji, J; Yu, X; Zhang, P; Zou, J | 1 |
| Ding, Y; Jiang, W; Liu, Z; Luo, S; Weng, J; Xu, M; Xu, W; Yan, J; Yang, D; Yue, T; Zheng, X | 1 |
| Brito, F; Curcio, HFQ; da Silva Fidalgo, TK | 1 |
| Abdel Rahman, AM; Al-Ansari, MM; Alabdaljabar, MS; Dahabiyeh, LA; Housien, M; Jacob, M; Nimer, RM; Sabi, EM; Sumaily, KM | 1 |
| Gong, L; Lin, T; Wang, W; Zhao, H | 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 |
| Cao, K; Han, S; Li, H; Niu, X; Wang, K; Yan, S; Zhao, R | 1 |
| Aizen, R; Colombo, G; Gazit, E; Meli, M; Shimon, LJW; Tal, N; Tiwari, OS | 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 |
| 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 |
| Elango, R | 1 |
| Bulatov, E; Davletshin, D; Gilyazova, E; Li, ZT; Mostovaya, O; Nazarova, A; Sedov, I; Stoikov, I; Sultanaev, V; Yakimova, L; Zhang, DW | 1 |
| Chen, F; Feng, Y; Jiang, Y; Li, S; Liu, X; Liu, Y; Zeng, Q; Zou, L | 1 |
| Dolai, G; Mandal, B; Roy, S; Shill, S | 1 |
| Fang, Z; Hu, G; Huo, X; Leng, J; Li, J; Li, N; Li, W; Liu, J; Wang, H; Yang, K; Yang, X; Yu, Z | 1 |
| Chen, M; Gong, J; Han, D; Li, F; Wang, D; Wang, Y; Wei, J; Zhang, T; Zhou, L | 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 |
| Antosiewicz, J; Babińska, A; Bidzan-Bluma, I; Jaworska, J; Juhas, U; Kortas, JA; Lombardi, G; Micielska, K; Rodziewicz-Flis, E; Ziemann, E; Żychowska, M | 1 |
| Afsari, S; Ghirlanda, G; Halloran, N; Lindsay, S; Mukherjee, S; Ryan, E; Wang, X | 1 |
| Kösters, D; Marienhagen, J; Mutz, M; Wierckx, N; Wynands, B | 1 |
| Bukharov, M; Hua, B; Huang, F; Kharlamova, A; Nazarova, A; Padnya, P; Petrov, K; Stoikov, I; Yusupov, G; Zelenikhin, P | 1 |
| Dai, L; Dong, P; Li, Y; Wang, S | 1 |
| Chail, M; Dhaneshwar, SS; Naqvi, S; Patil, M; Vadnerkar, G | 1 |
| Bhatt, L; Dhaneshwar, SS; Gairola, N; Kadam, SS; Kandpal, M; Rathi, B; Vadnerkar, G | 1 |
84 review(s) available for tryptophan and phenylalanine
| Article | Year |
|---|---|
The transport of metabolizable substances into the living brain.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Animals; Biological Transport, Active; Blood Glucose; Blood-Brain Barrier; Brain; Glucose; Haplorhini; Humans; Hyperglycemia; Insulin; Ketone Bodies; Lactates; Neurotransmitter Agents; Papio; Phenylalanine; Pyruvates; Rats; Renal Aminoacidurias; Thyroid Hormones; Tryptophan | 1976 |
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 |
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 |
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 |
[Sleep and wake-cycle as circadian rhythm (author's transl)].
Topics: Adult; Brain Stem; Circadian Rhythm; Dopamine; Enzyme Inhibitors; Female; Humans; Limbic System; Norepinephrine; Phenylalanine; Pons; Raphe Nuclei; Serotonin; Sleep; Sleep Wake Disorders; Sleep, REM; Thalamus; Tryptophan; Tryptophan Hydroxylase | 1979 |
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 |
[Hepatic coma and insufficiency].
Topics: Ammonia; Brain; Electrocardiography; Fatty Acids; Hepatic Encephalopathy; Hepatitis; Humans; Liver; Liver Diseases; Lysine; Methionine; Octopamine; Phenylalanine; Tryptophan | 1977 |
[Infusion of amino acids for the adjuvant treatment of hepatic encephlopathy].
Topics: Adult; Amino Acids; Dietary Proteins; Female; Hepatic Encephalopathy; Humans; Infusions, Parenteral; Liver Cirrhosis; Male; Middle Aged; Nitrogen; Phenylalanine; Serotonin; Tryptophan | 1979 |
Photochemical inactivation of enzymes.
Topics: Carboxypeptidases; Chymotrypsin; Cysteine; Cystine; Energy Transfer; Enzymes; Fluorescence; Kinetics; Light; Mathematics; Models, Chemical; Muramidase; Papain; Peptides; Phenylalanine; Photochemistry; Ribonucleases; Trypsin; Tryptophan; Ultraviolet Rays | 1976 |
Some properties of bovine pineal tryptophan hydroxylase.
Topics: Animals; Cattle; Dithiothreitol; Enzyme Activation; Iron; Kinetics; Mixed Function Oxygenases; Phenylalanine; Phenylalanine Hydroxylase; Pineal Gland; Time Factors; Tryptophan; Tryptophan Hydroxylase | 1976 |
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 |
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 |
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 |
Protein and amino acid requirements of fishes.
Topics: Aging; Amino Acids; Animals; Arginine; Dietary Proteins; Energy Intake; Fishes; Histidine; Isoleucine; Leucine; Lysine; Methionine; Nutritional Requirements; Phenylalanine; Species Specificity; Threonine; Tryptophan; Valine | 1986 |
Neutral amino acid therapy for the management of chronic pain.
Topics: Animals; Chronic Disease; Enkephalins; Humans; Pain; Phenylalanine; Serotonin; Transcutaneous Electric Nerve Stimulation; Tryptophan | 1986 |
Regulation of aromatic amino acid catabolism.
Topics: Amino Acids; Animals; Biological Transport, Active; Liver; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1986 |
[Biochemical treatment possibilities in psychoses].
Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine | 1969 |
Arene oxide intermediates in enzymatic hydroxylation and their significance with respect to drug toxicity.
Topics: Acetanilides; Amphetamine; Bromine; Chemical Phenomena; Chemistry; Chlorine; Deuterium; Ethers, Cyclic; Fenclonine; Fluorine; Glutathione; Mixed Function Oxygenases; Naphthalenes; Phenols; Phenylalanine; Phenylpyruvic Acids; Tritium; Tryptophan | 1971 |
[Inadequacy of the monoamine oxidase system--the probable pathogenetic factor in schizophrenia (review)].
Topics: Adenosine Triphosphatases; Adrenochrome; Amines; Animals; Brain Chemistry; Dimethoxyphenylethylamine; Dopamine; Epinephrine; Ethanolamines; Humans; Hydroxydopamines; Metabolic Diseases; Methionine; Mice; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Norepinephrine; Oxidation-Reduction; Phenylalanine; Rats; Reserpine; Schizophrenia; Tryptamines; Tryptophan | 1974 |
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 |
The new biology of sleep.
Topics: Adult; Age Factors; Amines; Brain; Electric Stimulation; Electroencephalography; Humans; Male; Memory; Phenylalanine; Reserpine; Serotonin; Sleep; Sleep Deprivation; Sleep, REM; Thalamus; Tryptophan | 1971 |
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 |
Monoamines and the regulation of vigilance and sleep.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Blood-Brain Barrier; Brain; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Dopa Decarboxylase; Haplorhini; Humans; Muscle Tonus; Norepinephrine; Papio; Phenylalanine; Rats; Reserpine; Serotonin; Sleep Stages; Sleep, REM; Stimulation, Chemical; Tryptophan; Wakefulness | 1974 |
[Role of essential amino acids in the treatment of chronic renal failure].
Topics: Age Factors; Amino Acids; Diet Therapy; Diuresis; Glomerular Filtration Rate; Humans; Isoleucine; Kidney Failure, Chronic; Leucine; Lysine; Methionine; Nitrogen; Phenylalanine; Threonine; Tryptophan; Uremia; Valine | 1972 |
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 |
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 |
[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 |
Microbial production of amino acids.
Topics: Amino Acids; Bacteria; Biotin; Chemical Industry; Glutamates; Isoleucine; Lysine; Phenylalanine; Serine; Threonine; Tryptophan; Tyrosine; Valine | 1964 |
The role of amines in the etiology of schizophrenia.
Topics: Adrenochrome; Amines; Amphetamine; Brain Chemistry; Dopamine; Epinephrine; Humans; Indoles; Kynurenine; Mescaline; Monoamine Oxidase Inhibitors; Norepinephrine; Phenethylamines; Phenylalanine; Psychoses, Substance-Induced; Schizophrenia; Serotonin; Tryptamines; Tryptophan | 1968 |
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 |
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 |
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 |
[Experimental hyperphenylalanemia].
Topics: Amino Acids; Animals; Behavior, Animal; Brain; Humans; Liver; Phenylalanine; Phenylketonurias; Serotonin; Tryptophan | 1969 |
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 |
The carcinoid tumor, syndrome and spectrum. A review of the literature.
Topics: Antineoplastic Agents; Carcinoid Tumor; Cyproheptadine; Dihydroxyphenylalanine; Epinephrine; Ergolines; Humans; Hydroxyindoleacetic Acid; Mixed Function Oxygenases; Phenylalanine; Pyridoxine; Radiography; Serotonin; Serotonin Antagonists; Skin Tests; Tryptophan | 1969 |
Some polypeptides influencing gastric-acid secretion.
Topics: Amides; Animals; Aspartic Acid; Cattle; Chemical Phenomena; Chemistry; Cysteine; Dogs; Female; Gastric Juice; Gastrins; Gastrointestinal Hormones; Humans; Methionine; Peptides; Phenylalanine; Pregnancy; Propionates; Serine; Sheep; Swine; Tryptophan | 1970 |
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 |
Serotonin: a review.
Topics: Animals; Brain; Chlorine; Humans; Hydroxyindoleacetic Acid; Phenylalanine; Rats; Reserpine; Serotonin; Serotonin Antagonists; Tryptophan | 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 |
Selective cleavage and modification of peptides and proteins.
Topics: Alanine; Aspartic Acid; Chemical Phenomena; Chemistry; Chymotrypsin; Cysteine; Glutamates; Glycine; Hydrogen-Ion Concentration; Methionine; Muramidase; Oxidation-Reduction; Peptides; Phenylalanine; Proline; Proteins; Pyrrolidines; Ribonucleases; Serine; Succinates; Threonine; Tryptophan | 1970 |
Biochemical research in schizophrenia.
Topics: Brain; Chromatography, Paper; Hallucinogens; Humans; Methionine; Methylation; Motor Activity; Phenethylamines; Phenylalanine; Schizophrenia; Tryptamines; Tryptophan | 1971 |
A conspectus of research on amino acid requirements of man.
Topics: Adolescent; Adult; Age Factors; Aged; Amino Acids; Arginine; Child; Child Nutritional Physiological Phenomena; Child, Preschool; Histidine; Humans; Infant; Infant Nutritional Physiological Phenomena; Infant, Newborn; Isoleucine; Leucine; Lysine; Methionine; Middle Aged; Nutritional Requirements; Phenylalanine; Threonine; Tryptophan; Valine | 1971 |
Transport of amino acids and peptides in the gut and the kidney.
Topics: Adult; Alanine; Amino Acids; Animals; Biological Transport, Active; Digestive System; Glycine; Hartnup Disease; Histidine; Humans; Hydrolysis; Intestinal Absorption; Kidney; Kidney Tubules; Leucine; Lysine; Methionine; Peptides; Phenylalanine; Proteins; Rats; Serine; Threonine; Tryptophan; Valine | 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 |
Drug treatment in schizophrenia.
Topics: Butyrophenones; Chlorpromazine; Evaluation Studies as Topic; Humans; Phenothiazines; Phenylalanine; Reserpine; Schizophrenia; Thiothixene; Tranquilizing Agents; Tryptophan; Xanthenes | 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 |
[Enzymatic synthesis of hydroxy phenyl amino acids].
Topics: Bacteria; Catechol Oxidase; Chemical Phenomena; Chemistry; Hydrogen-Ion Concentration; Lyases; Magnetic Resonance Spectroscopy; Phenylalanine; Spectrophotometry; Tryptophan | 1971 |
[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 |
Perspectives in the control of chronic pain by nutritional manipulation.
Topics: Animals; Antidepressive Agents; Brain; Chronic Disease; Humans; Leucine; Migraine Disorders; Neurotransmitter Agents; Pain; Phenylalanine; Rats; Sensory Thresholds; Serotonin; Tryptophan | 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 |
Mushrooms and madness. Hallucinogenic mushrooms and some psychopharmacological implications.
Topics: Amanita; Basidiomycota; Chemistry; Guatemala; Hallucinogens; History, Medieval; History, Modern 1601-; Humans; India; Mexico; Monoamine Oxidase; N,N-Dimethyltryptamine; Phenylalanine; Schizophrenia; Siberia; Tryptophan | 1980 |
[Regulation of transcription by elements of the translation system in Escherichia coli].
Topics: Bacillus subtilis; Escherichia coli; Glutamate-tRNA Ligase; Glutamates; Glutamine; Histidine; Lac Operon; Operon; Phenylalanine; Protein Biosynthesis; RNA, Transfer, Amino Acyl; Transcription, Genetic; Tryptophan | 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 |
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 |
'Targeted' molecular diversity: design and development of non-peptide antagonists for cholecystokinin and tachykinin receptors.
Topics: Amino Acid Sequence; Animals; Drug Design; Drug Evaluation, Preclinical; Hormone Antagonists; Humans; Indoles; Ligands; Meglumine; Molecular Structure; Oligopeptides; Peptide Library; Phenylalanine; Receptors, Cholecystokinin; Receptors, Tachykinin; Tryptophan | 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 |
Use of neurotransmitter precursors for treatment of depression.
Topics: 5-Hydroxytryptophan; Depression; Humans; Phenylalanine; Tryptophan; Tyrosine | 2000 |
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 |
Immusorba TR and PH.
Topics: Absorption; Acetylcholine; Arthritis, Rheumatoid; Autoantibodies; Biocompatible Materials; Clinical Trials as Topic; Equipment Design; Equipment Safety; Guillain-Barre Syndrome; Humans; Immunosorbent Techniques; Immunosorbents; Lupus Erythematosus, Systemic; Myasthenia Gravis; Phenylalanine; Sensitivity and Specificity; Tryptophan | 2003 |
[AMINO ACID TOXICITY AND CONGENITAL AMINO ACID METABOLIC DISORDERS].
Topics: Amino Acids; Aspartic Acid; Glutamates; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Proteins; Toxicology; Tryptophan; Valine | 1964 |
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 |
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 |
Protect from light: photodegradation and protein biologics.
Topics: Biological Products; Cystine; Drug Stability; Excipients; Phenylalanine; Photolysis; Proteins; Tryptophan; Tyrosine | 2007 |
Trp/Met/Phe hot spots in protein-protein interactions: potential targets in drug design.
Topics: Amino Acid Motifs; Amino Acid Sequence; Amyloid; Animals; Binding Sites; Drug Design; Gene Products, env; Humans; Methionine; Models, Molecular; Molecular Sequence Data; Phenylalanine; Protein Binding; Protein Interaction Mapping; Sequence Alignment; Tryptophan; Tumor Suppressor Protein p53 | 2007 |
Aromatic amino acid metabolism during liver failure.
Topics: Amino Acids, Aromatic; Ammonia; Biological Transport; Humans; Liver Failure; Phenylalanine; Reference Values; Tryptophan; Tyrosine | 2007 |
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 |
Tyrosine, phenylalanine, and tryptophan in gastroesophageal malignancy: a systematic review.
Topics: Esophageal Neoplasms; Humans; Phenylalanine; Stomach Neoplasms; Tryptophan; Tyrosine | 2015 |
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 |
Structural Analysis and New Drug Development against Multidrug Efflux Pumps.
Topics: Anti-Bacterial Agents; Drug Discovery; Drug Resistance, Multiple, Bacterial; Genes, MDR; Gram-Negative Bacteria; Membrane Transport Proteins; Phenylalanine; Protein Binding; Pseudomonas aeruginosa; Pyridines; Pyrimidinones; Tryptophan | 2017 |
Immunometabolism in the Pathogenesis of Depressive Disorders - Therapeutic Considerations.
Topics: Antidepressive Agents; Depressive Disorder; Humans; Interferon-gamma; Neopterin; Phenylalanine; Tryptophan | 2018 |
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 |
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 |
The potential roles of amino acids and their major derivatives in the management of multiple sclerosis.
Topics: Amino Acids; Glutamic Acid; Humans; Multiple Sclerosis; Phenylalanine; Threonine; Tryptophan | 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 |
Tolerable Upper Intake Level for Individual Amino Acids in Humans: A Narrative Review of Recent Clinical Studies.
Topics: Aged; Arginine; Citrulline; Histidine; Humans; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Serine; Tryptophan | 2023 |
34 trial(s) available for tryptophan and phenylalanine
| Article | Year |
|---|---|
[Metabolic changes in aromatic amino acids and monoamines in infantile autism and development of new treatment related to the finding].
Topics: 5-Hydroxytryptophan; Amino Acids; Autistic Disorder; Biogenic Monoamines; Biopterins; Carbon Isotopes; Child; Child, Preschool; Clinical Trials as Topic; Deuterium; Double-Blind Method; Humans; Levodopa; Phenylalanine; Tryptophan | 1989 |
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 |
Effect of L-tryptophan and phenylalanine on burning pain threshold.
Topics: Adult; Burns; Double-Blind Method; Female; Humans; Pain; Phenylalanine; Random Allocation; Sensory Thresholds; Tryptophan | 1987 |
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 |
Effect of intragastric amino acids on lower esophageal sphincter pressure and serum gastrin in man.
Topics: Adult; Amino Acids; Aspartic Acid; Esophagogastric Junction; Gastrins; Glycine; Humans; Leucine; Male; Manometry; Phenylalanine; Pressure; Stomach; Tryptophan | 1986 |
Effects of L-tryptophan (a natural sedative) on human sleep.
Topics: 5-Hydroxytryptophan; Adult; Age Factors; Aged; Female; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Phenylalanine; Placebos; Serotonin; Sex Factors; Sleep; Sleep Initiation and Maintenance Disorders; Sleep, REM; Tryptophan | 1970 |
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 |
Intravenous nutrition with amino acid solutions in patients with chronic uraemia.
Topics: Adult; Aged; Amino Acids; Arginine; Diet Therapy; Female; Histidine; Humans; Isoleucine; Leucine; Lysine; Male; Methionine; Middle Aged; Nitrogen; Parenteral Nutrition; Phenylalanine; Threonine; Tryptophan; Urea; Uremia; Valine | 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 |
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 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 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 |
A psychophysical investigation of binary bitter-compound interactions.
Topics: Adult; Cluster Analysis; Dose-Response Relationship, Drug; Drug Combinations; Drug Synergism; Female; Humans; Individuality; Male; Middle Aged; Phenylalanine; Psychophysics; Quaternary Ammonium Compounds; Ranitidine; Stimulation, Chemical; Taste Buds; Taste Threshold; Tryptophan; Urea | 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 |
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 |
The effects of a branched chain amino acid mixture supplemented with tryptophan on biochemical indices of neurotransmitter function and decision-making.
Topics: Adult; Affect; Aged; Amino Acids, Branched-Chain; Brain Chemistry; Cues; Decision Making; Double-Blind Method; Female; Gambling; Humans; Male; Memory; Memory, Short-Term; Middle Aged; Neuropsychological Tests; Neurotransmitter Agents; Pattern Recognition, Visual; Phenylalanine; Prolactin; Psychomotor Performance; Space Perception; Tryptophan | 2005 |
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 |
Supplementing a low-protein diet with dibasic amino acids increases urinary calcium excretion in young women.
Topics: Adult; Amino Acids, Diamino; Arginine; Body Mass Index; Calcium, Dietary; Creatinine; Cross-Over Studies; Diet, Protein-Restricted; Dietary Proteins; Dietary Supplements; Double-Blind Method; Female; Humans; Intestinal Absorption; Lysine; Phenylalanine; Receptors, Calcium-Sensing; Tryptophan; Vitamin D; Young Adult | 2014 |
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 |
Tryptophan requirement of the enterally fed term infant in the first month of life.
Topics: Bicarbonates; Breath Tests; Carbon Radioisotopes; Enteral Nutrition; Female; Humans; Infant Formula; Infant, Newborn; Male; Nutritional Requirements; Oxidation-Reduction; Phenylalanine; Term Birth; Tryptophan | 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 |
Role of selected amino acids on plasma IGF-I concentration in infants.
Topics: Amino Acids; Diet; Dietary Proteins; Double-Blind Method; Female; Humans; Infant; Infant Formula; Infant Nutritional Physiological Phenomena; Infant, Newborn; Insulin; Insulin-Like Growth Factor I; Lactalbumin; Male; Milk, Human; Phenylalanine; Tryptophan; Weight Gain | 2017 |
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 |
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 |
1888 other study(ies) available for tryptophan and phenylalanine
| 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: activation of isozyme XIII with amino acids and amines.
Topics: Amines; Amino Acids; Carbonic Anhydrases; Enzyme Activators; Isoenzymes | 2006 |
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 |
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 |
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 |
Design and synthesis of selective inhibitors of placental alkaline phosphatase.
Topics: Alkaline Phosphatase; Catechols; Drug Design; Enzyme Inhibitors; GPI-Linked Proteins; Isoenzymes; Molecular Structure; Stereoisomerism; Structure-Activity Relationship | 2010 |
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 |
Computer-aided discovery of aromatic l-α-amino acids as agonists of the orphan G protein-coupled receptor GPR139.
Topics: Amino Acids, Aromatic; Computer-Aided Design; Dipeptides; Drug Design; HEK293 Cells; Humans; Models, Molecular; Nerve Tissue Proteins; Phenylalanine; Receptors, G-Protein-Coupled; Tryptophan | 2014 |
GPR139, an Orphan Receptor Highly Enriched in the Habenula and Septum, Is Activated by the Essential Amino Acids L-Tryptophan and L-Phenylalanine.
Topics: Amino Acid Sequence; Animals; Chlorocebus aethiops; COS Cells; Habenula; HEK293 Cells; Humans; Male; Mice; Molecular Sequence Data; Nerve Tissue Proteins; Phenylalanine; Rats; Rats, Sprague-Dawley; Receptors, G-Protein-Coupled; Septum of Brain; Tryptophan | 2015 |
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 |
l-Type amino acid transporter 1 activity of 1,2,3-triazolyl analogs of l-histidine and l-tryptophan.
Topics: Antineoplastic Agents; Brain Diseases; Click Chemistry; Dose-Response Relationship, Drug; Histidine; Humans; Large Neutral Amino Acid-Transporter 1; Molecular Structure; Neoplasms; Prodrugs; Structure-Activity Relationship; Triazoles; Tryptophan | 2019 |
A Perspective on Medicinal Chemistry Approaches for Targeting Pyruvate Kinase M2.
Topics: Allosteric Regulation; Allosteric Site; Carrier Proteins; Chemistry, Pharmaceutical; Glycolysis; Humans; Membrane Proteins; Protein Kinase Inhibitors; Thyroid Hormone-Binding Proteins; Thyroid Hormones | 2022 |
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 |
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 |
Development of amino acid uptake activity in Neurospora.
Topics: Amino Acids; Arginine; Glucose; Hydrogen-Ion Concentration; Membrane Transport Proteins; Mutation; Neurospora; Phenylalanine; Quaternary Ammonium Compounds; Spores, Fungal; Tryptophan | 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 |
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 |
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 |
Co-oligopeptides of aromatic amino acids and glycine with a variable distance between the aromatic residues. VI. Circular dichroism studies of Co-oligopeptides of l-phenylalanine, L-tryptophan, and glycine.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Circular Dichroism; Glycine; Hydrogen-Ion Concentration; Oligopeptides; Phenylalanine; Protein Conformation; Tryptophan | 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 |
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 |
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 |
On the regulation of tryptophan metabolism "via" kynurenine.
Topics: Animals; Hydrogen-Ion Concentration; Hydroxyindoleacetic Acid; Hydroxylation; Kynurenine; Mixed Function Oxygenases; NAD; NADP; Nicotinic Acids; ortho-Aminobenzoates; Phenylalanine; Rats; Serotonin; Solubility; Tryptophan; Xanthurenates | 1978 |
Precursor relationship of phenylalanine transfer ribonucleic acid from Escherichia coli treated with chloramphenicol or starved for iron, methionine, or cysteine.
Topics: Adenosine; Amino Acids, Sulfur; Amino Acyl-tRNA Synthetases; Arginine; Carbon Radioisotopes; Cell-Free System; Chloramphenicol; Cysteine; Escherichia coli; Iron; Methionine; Phenylalanine; Potassium Permanganate; Rifampin; RNA, Bacterial; RNA, Transfer; Tritium; Tryptophan | 1975 |
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 |
Letter: Plasma neutral aminoacids and tryptophan in cirrhosis.
Topics: Amino Acids; Animals; Brain; Humans; Liver Cirrhosis; Phenylalanine; Rats; Tryptophan | 1975 |
Specific binding of tryptophan transfer RNA to avian myeloblastosis virus RNA-dependent DNA polymerase (reverse transcriptase).
Topics: Animals; Avian Leukosis Virus; Avian Myeloblastosis Virus; Binding Sites; Chickens; Escherichia coli; Kinetics; Macromolecular Substances; Phenylalanine; Protein Binding; RNA-Directed DNA Polymerase; RNA, Bacterial; RNA, Transfer; Saccharomyces cerevisiae; Serine; Species Specificity; Tryptophan | 1975 |
Letter: Do changes in blood levels of other aromatic aminoacids influence levodopa therapy?
Topics: Amino Acids; Blood-Brain Barrier; Histidine; Humans; Levodopa; Parkinson Disease; Phenylalanine; Tryptophan | 1976 |
Relationship between changes in the translational apparatus and actinomycin production in Streptomyces antibioticus.
Topics: Bacterial Proteins; Dactinomycin; Peptide Biosynthesis; Phenylalanine; Protein Biosynthesis; Ribosomes; RNA, Bacterial; RNA, Transfer; Streptomyces; Streptomyces antibioticus; Tryptophan | 1977 |
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 |
[Amino-acid mixtures for parenteral feeding in liver insufficiency].
Topics: Amino Acids; Animals; Hepatic Encephalopathy; Humans; Leucine; Liver Cirrhosis; Methionine; Parenteral Nutrition; Phenylalanine; Solutions; Tryptophan; Valine | 1978 |
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 |
[Studies on tryptophan metabolism in untreated phenylketonuric patients].
Topics: Acetophenones; Adolescent; Adult; Biotransformation; Child; Child, Preschool; Chromatography, Ion Exchange; Chromatography, Thin Layer; Female; Humans; Kynurenic Acid; Kynurenine; Male; Mass Spectrometry; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Phenylalanine; Phenylketonurias; Quinolines; Tryptophan; Xanthurenates | 1975 |
Model phenylketonuria (PKU) in the albino rat: behaviroal, biochemical, and neuroanatomical effects.
Topics: Animals; Axons; Body Weight; Disease Models, Animal; Emotions; Fenclonine; Humans; Learning; Liver; Motor Activity; Myelin Sheath; Phenylalanine; Phenylalanine Hydroxylase; Phenylketonurias; Rats; Social Behavior; Tryptophan | 1975 |
Replacement of lysine by arginine, phenylalanine and tryptophan in the reactive site of the bovine trypsin-kallikrein inhibitor (Kunitz) and change of the inhibitory properties.
Topics: Amino Acids; Aminopeptidases; Animals; Arginine; Binding Sites; Carboxypeptidases; Cattle; Chymotrypsin; Fibrinolysin; Kinetics; Lysine; Phenylalanine; Protein Binding; Protein Conformation; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Trypsin; Trypsin Inhibitor, Kunitz Soybean; Trypsin Inhibitors; Tryptophan | 1976 |
Protective effect of tryptophan and 5-hydroxytryptophan on experimental phenylketonuria induced with phenylalanine+ p-cholorophenylalanine in rats.
Topics: 5-Hydroxytryptophan; Animals; Behavior, Animal; Body Weight; Brain; Female; Fenclonine; Humans; Hydroxyindoleacetic Acid; Male; Motor Activity; Norepinephrine; Phenylalanine; Phenylketonurias; Rats; Serotonin; Tryptophan | 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 |
Genetic and kinetic analysis of Neurospora crassa mtr mutants.
Topics: Alleles; Biological Transport, Active; Chromosome Mapping; Drug Resistance, Microbial; Genes; Genetic Complementation Test; Kinetics; Neurospora; Neurospora crassa; Phenylalanine; Tryptophan | 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 |
Antitumor activity of amino acid derivatives in the primary screening.
Topics: 2-Naphthylamine; Amino Acids; Aminobutyrates; Animals; Antineoplastic Agents; Carcinoma, Ehrlich Tumor; Carcinoma, Hepatocellular; DNA, Neoplasm; Drug Evaluation, Preclinical; HeLa Cells; Isoleucine; Leukemia, Experimental; Liver Neoplasms; Male; Mice; Mitosis; Neoplasm Proteins; Neoplasms, Experimental; Phenylalanine; Rats; RNA, Neoplasm; Sarcoma, Experimental; Structure-Activity Relationship; Tryptophan; Valine | 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 |
Long-term management of a case of carbamyl phosphate synthetase deficiency using ketanalogues and hydroxyanalogues of essential amino acids.
Topics: Adolescent; Amino Acids; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Dietary Proteins; Female; Histidine; Humans; Isoleucine; Long-Term Care; Lysine; Methionine; Phenylalanine; Phosphotransferases; Threonine; Tryptophan; Valine | 1976 |
Interaction of aminoacyl-tRNA synthetases and tRNA: positive and negative cooperativity of their active centres.
Topics: Adenosine Triphosphate; Amino Acyl-tRNA Synthetases; Binding Sites; Diphosphates; Kinetics; Leucine; Mathematics; Phenylalanine; Phenylalanine-tRNA Ligase; Protein Binding; RNA, Transfer; Saccharomyces cerevisiae; Tryptophan | 1976 |
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 |
Albumin synthesis in cultured hempatoma cells. Regulation by essential amino acids.
Topics: Albumins; Amino Acids; Carcinoma, Hepatocellular; Cell Line; Histidine; Isoleucine; Kinetics; Leucine; Liver Neoplasms; Neoplasms, Experimental; Phenylalanine; Protein Biosynthesis; Tryptophan | 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 |
ESR an optical absorption studies on the copper(II) interaction with small peptides containing aromatic amino acids.
Topics: Chelating Agents; Copper; Dipeptides; Electron Spin Resonance Spectroscopy; Histidine; Oligopeptides; Phenylalanine; Spectrophotometry; Tryptophan | 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 |
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 |
Kinetic studies on the mechanism of pepsin action.
Topics: Binding, Competitive; Hydrogen-Ion Concentration; Kinetics; Models, Chemical; Oligopeptides; Pepsin A; Phenylalanine; Protein Binding; Structure-Activity Relationship; Tryptophan | 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 |
Synthesis and charge-transfer properties of two acth analogues containing pentamethylphenylalanine in position 9.
Topics: Acetylation; Adrenocorticotropic Hormone; Chromatography; Crystallization; Filtration; Hydrogen-Ion Concentration; Hydrolysis; Paraquat; Phenylalanine; Protein Binding; Temperature; Tryptophan | 1975 |
Multispecific aspartate and aromatic amino acid aminotransferases in Escherichia coli.
Topics: Amino Acids; Apoenzymes; Aspartate Aminotransferases; Chromatography, DEAE-Cellulose; Drug Stability; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Hot Temperature; Hydrogen-Ion Concentration; Isoelectric Focusing; Kinetics; Phenylalanine; Time Factors; Transaminases; Tryptophan; Tyrosine Transaminase | 1975 |
Amino acid metabolism in the chronically uremic rat.
Topics: Amine Oxidase (Copper-Containing); Amines; Amino Acids; Animals; Argininosuccinate Lyase; Argininosuccinate Synthase; Brain; Chronic Disease; Citrulline; Dietary Proteins; Disease Models, Animal; Hydroxyindoleacetic Acid; Kidney; Liver; Monoamine Oxidase; Multienzyme Complexes; Muscles; Myocardium; Ornithine Carbamoyltransferase; Phenylalanine; Phenylalanine Hydroxylase; Rats; Tryptophan; Tryptophan Oxygenase; Tyrosine Transaminase; Uremia | 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 |
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 |
Control of haemoglobin synthesis. The effects of iron deprivation, cobalt and temperature on the rate and extent of globin synthesis in reticulocytes.
Topics: 2,2'-Dipyridyl; Animals; Cell-Free System; Cobalt; Cycloheximide; Hemin; Hemoglobins; Iron; Kinetics; Phenylalanine; Protoporphyrins; Puromycin; Rabbits; Reticulocytes; Temperature; Tryptophan; Valine | 1975 |
[Histochemical evidence of aminotransferases. III. Localization of aminotransferases in the mesencephalon, diencephalon, cortex cerebri and in the peripheral nervous system (author's transl)].
Topics: Animals; Cerebral Cortex; Diencephalon; Ganglia, Spinal; Glycine; Hippocampus; Hypothalamus; Isoleucine; Mesencephalon; Neurons; Peripheral Nerves; Phenylalanine; Rats; Thalamus; Transaminases; Trigeminal Nerve; Tryptophan; Tyrosine Transaminase | 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 |
Interaction between parallel transport systems examined with tryptophan and related amino acids.
Topics: Animals; Biological Transport, Active; Carcinoma, Ehrlich Tumor; Humans; Leucine; Methionine; Models, Biological; Neoplasms, Experimental; Phenylalanine; Tryptophan | 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 |
Interactions between tryptophan, phenylalanine and sugar transport in the small intestinal mucosa.
Topics: Animals; Biological Transport, Active; Galactose; Ileum; In Vitro Techniques; Intestinal Mucosa; Kinetics; Phenylalanine; Rats; Tryptophan | 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 |
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 |
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 |
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 |
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 |
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 |
Transport of neutral amino acids across the human red blood cell membrane.
Topics: Amino Acids, Essential; Biological Transport; Erythrocyte Membrane; Humans; Leucine; Phenylalanine; Regression Analysis; Substrate Specificity; Tryptophan | 1979 |
Key role of various individual amino acids in host response to infection.
Topics: Alanine; Amino Acids; Animals; Carbohydrate Metabolism; Glutamine; Humans; Infections; Liver; Muscle Proteins; Muscles; Organ Specificity; Phenylalanine; Phlebotomus Fever; Proteins; Starvation; Structure-Activity Relationship; Tryptophan; Typhoid Fever | 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 |
Efflux of phenylalanine from rat cerebral cortex slices as influenced by extra- and intracellular amino acids.
Topics: Amino Acids; Animals; Cerebral Cortex; In Vitro Techniques; Kinetics; Male; Phenylalanine; Rats; Tryptophan | 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 |
Interactions of BPN' and Carlsberg subtilisins with peptides containing aromatic amino acids at the C-terminus. Specific rate enhancement due to the secondary enzyme-substrate interaction.
Topics: Calorimetry; Kinetics; Phenylalanine; Substrate Specificity; Subtilisins; Tryptophan | 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 |
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 |
Treatment of phenylketonuria.
Topics: Adult; Child; Child Behavior Disorders; Dihydroxyphenylalanine; Female; Humans; Infant, Newborn; Male; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Time Factors; Tryptophan | 1979 |
[Effects of graded doses of copper complexes with L-aminoacids on gastric acid secretion in the rat].
Topics: Animals; Copper; Dipeptides; Dose-Response Relationship, Drug; Female; Gastric Acid; Phenylalanine; Rats; Tryptophan | 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 |
Amino acid balance and aggression in mice.
Topics: Aggression; Animals; Humans; Male; Mice; Phenylalanine; Tryptophan | 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 |
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 |
Inhibition of inflammation with certain amino acids.
Topics: Amino Acids; Animals; Anti-Inflammatory Agents; Edema; Hindlimb; Inflammation; Male; Phenylalanine; Rats; Tryptophan | 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 |
Efflux of phenylalanine and troptophan from cerebral cortex slices of adult and 7-day-old rats.
Topics: Age Factors; Animals; Cerebral Cortex; Chromatography; Phenylalanine; Rats; Tryptophan | 1978 |
Stimulation of gastrin release in dogs by individual amino acids.
Topics: Amino Acids; Animals; Cysteine; Dogs; Gastric Juice; Gastric Mucosa; Gastrins; Hydroxyproline; Phenylalanine; Stimulation, Chemical; Tryptophan | 1978 |
Tryptophan excretion by a bradytroph of Hansenula polymorpha growing in methanol.
Topics: Ascomycota; Chorismate Mutase; Methanol; Mutation; Phenylalanine; Pichia; Tryptophan; Tyrosine | 1978 |
Blood-brain neutral amino acid transport activity is increased after portacaval anastomosis.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Female; Glucose; Insulin; Liver Cirrhosis, Alcoholic; Phenylalanine; Portacaval Shunt, Surgical; Rats; Tryptophan; Tyramine | 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 |
Phenylketonuria and scleroderma.
Topics: Child; Humans; Intellectual Disability; Male; Phenylalanine; Phenylketonurias; Scleroderma, Localized; Tryptophan | 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 |
Microbial production of essential amino acid with Corynebacterium glutamicum mutants.
Topics: Amino Acids, Essential; Corynebacterium; Fermentation; Kinetics; Leucine; Lysine; Mutation; Phenylalanine; Species Specificity; Stereoisomerism; Threonine; Tryptophan | 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 |
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 aminoacylation of transfer ribonucleic acid. Inhibitory effects of some amino acid analogues with altered side chains.
Topics: Amino Acids; Amino Acyl-tRNA Synthetases; Animals; Binding Sites; Escherichia coli; Methionine; Phenylalanine; Rats; RNA, Transfer; Tryptophan | 1976 |
Transport of D- and L-tryptophan in Bacillus megaterium by an inducible permease.
Topics: Arginine; Azides; Bacillus megaterium; Biological Transport, Active; Carbon Radioisotopes; Chloramphenicol; Enzyme Induction; Enzyme Repression; Kinetics; Kynurenine; Leucine; Membrane Transport Proteins; Phenylalanine; Stereoisomerism; Tryptophan | 1975 |
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 |
Studies on intracellular transport in the rat exocrine pancreas. I. Inhibition by aromatic amino acids in vitro.
Topics: Amylases; Animals; Biological Transport; Carbachol; Carbon Radioisotopes; Endoplasmic Reticulum; Golgi Apparatus; Male; Microscopy, Electron; Pancreas; Phenylalanine; Rats; Tritium; Tryptophan | 1975 |
An in vitro production of bone specific alkaline phosphatase.
Topics: Alkaline Phosphatase; Bone and Bones; Enzyme Induction; Fluorescent Antibody Technique; Homoarginine; Humans; Immunodiffusion; Intestines; Kidney; Liver; Phenylalanine; Placenta; Pyrophosphatases; Temperature; Tryptophan | 1975 |
Testing the protein error hypothesis of ageing in Drosophila.
Topics: Aging; Animals; Drosophila melanogaster; Ethionine; Half-Life; Male; Phenylalanine; Proteins; Tryptophan; Tyrosine | 1976 |
Neonatal citrllinemia: treatment with keto-analogues of essential amino acids.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids, Essential; Arginine; Argininosuccinate Synthase; Citrulline; Fibroblasts; Histidine; Humans; Infant; Infant, Newborn; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Threonine; Tryptophan; Valine | 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 dietary amino acids, casein, and soybean trypsin inhibitor on pancreatic protein secretion in rats.
Topics: Amino Acids; Animals; Caseins; Dietary Proteins; Intestinal Mucosa; Male; Pancreas; Pancreatic Juice; Phenylalanine; Proteins; Rats; Trypsin Inhibitor, Kunitz Soybean; Trypsin Inhibitors; Tryptophan | 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 |
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 |
Investigation of the role of tryptophan in alpha-MSH. Replacement by L-pentamethylphenylalanine and L-phenylalanine.
Topics: Amino Acid Sequence; Animals; Lizards; Melanocyte-Stimulating Hormones; Melanophores; Molecular Conformation; Phenylalanine; Structure-Activity Relationship; Tryptophan | 1977 |
The effects of hyperphenylalaninaemia on the concentrations of aminoacyl-transfer ribonucleic acid in vivo. A mechanism for the inhibition of neural protein synthesis by phenylalanine.
Topics: Acylation; Alanine; Amino Acyl-tRNA Synthetases; Animals; Brain Chemistry; Formyltetrahydrofolates; Leucine; Lysine; Methionine; Mice; Nerve Tissue Proteins; Phenylalanine; RNA, Transfer; Tryptophan | 1977 |
Relation between liver amino acid-catabolizing enzymes and free amino acids of liver and plasma in adult cockerels fed diets containing graded levels of protein.
Topics: Amino Acids; Animals; Caseins; Chickens; Dietary Proteins; Ketoglutaric Acids; Liver; Lysine; Male; Oxidoreductases Acting on CH-NH Group Donors; Phenylalanine; Phenylalanine Hydroxylase; Saccharopine Dehydrogenases; Tryptophan; Tryptophan Oxygenase | 1977 |
Studies on sodium ion retention and antidiuretic effects after administration of L-tryptophan to rats.
Topics: Animals; Diuresis; Glomerular Filtration Rate; Male; Osmolar Concentration; Phenylalanine; Rats; Sodium; Stereoisomerism; Time Factors; Tryptophan; Water-Electrolyte Balance | 1977 |
Effect of starvation on the charging levels of transfer ribonucleic acid and total acceptor capacity in rat liver.
Topics: Amino Acids; Animals; Isoleucine; Kinetics; Leucine; Liver; Male; Phenylalanine; Rats; RNA, Transfer; Starvation; Transfer RNA Aminoacylation; Tryptophan | 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 |
Increased alkaline phosphatase activity in HeLa cells mediated by aliphatic monocarboxylates and inhibitors of DNA synthesis.
Topics: Alkaline Phosphatase; Antineoplastic Agents; Cell Division; DNA, Neoplasm; Enzyme Induction; Fatty Acids; HeLa Cells; Hydroxy Acids; Kinetics; Phenylalanine; Stereoisomerism; Structure-Activity Relationship; Tryptophan | 1977 |
Primary structure of the A chain of porcine relaxin.
Topics: Amino Acid Sequence; Animals; Chromatography, Gas; Insulin; Macromolecular Substances; Peptide Fragments; Phenylalanine; Relaxin; Spectrophotometry, Ultraviolet; Swine; Trypsin; Tryptophan | 1976 |
The effect of amino acid restricted diets on the clearance of 125I-labelled polyvinyl pyrrolidone in mice.
Topics: Amino Acids; Animals; Body Weight; Diet; Female; Liver; Macrophages; Male; Mice; Mice, Inbred BALB C; Organ Size; Phagocytosis; Phenylalanine; Povidone; Spleen; Thymus Gland; Tryptophan | 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 |
Canine gut receptors mediating pancreatic responses to luminal L-amino acids.
Topics: Alanine; Amino Acids; Animals; Bicarbonates; Dogs; Intestines; Leucine; Methionine; Pancreas; Perfusion; Phenylalanine; Proteins; Receptors, Drug; Secretin; Stimulation, Chemical; Tryptophan; Valine | 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 |
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 |
Tertiary structures of gastrin-like tetrapeptides.
Topics: Aspartic Acid; Gastrins; Glycine; Hydrogen Bonding; Leucine; Methionine; Models, Structural; Molecular Conformation; Peptides; Phenylalanine; Tryptophan; Valine | 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 |
Monoamine metabolism in the isolated perfused rat brain.
Topics: Acetoacetates; Animals; Brain; Dopamine; Glucose; Male; Norepinephrine; Perfusion; Phenylalanine; Rats; Serotonin; Tranylcypromine; 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 |
Protein synthesis in the hepatocyte.
Topics: Albumins; Animals; Arginine; Carbon Radioisotopes; Cell Aggregation; DNA; Ethanol; Fasting; Liver; Lysine; Ornithine; Perfusion; Phenylalanine; Polyribosomes; Rabbits; RNA, Ribosomal; Serum Albumin; Tritium; Tryptophan; Urea | 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 |
Ultrasensitive chemosensory responses by a protozoan to epinephrine and other neurochemicals.
Topics: 5-Hydroxytryptophan; Animals; Betaine; Carbachol; Chemoreceptor Cells; Chemotaxis; Choline; Dose-Response Relationship, Drug; Epinephrine; Eukaryota; Glutamates; Glycine; Norepinephrine; Phenylalanine; Putrescine; Serotonin; Taurine; Tryptophan | 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 |
tRNA tertiary structure in solution as probed by the photochemically induced 8-13 cross-link.
Topics: Base Sequence; Binding Sites; Escherichia coli; Kinetics; Mathematics; Methionine; Nucleic Acid Conformation; Phenylalanine; Photochemistry; RNA, Bacterial; RNA, Transfer; Spectrophotometry, Ultraviolet; Tryptophan; Valine | 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 |
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 |
Reduced central serotonergic activity in mania: implications for the relationship between depression and mania.
Topics: Bipolar Disorder; Brain; Depression; Disease Models, Animal; Humans; Hydroxyindoleacetic Acid; Hypnotics and Sedatives; Imipramine; Lithium; Methysergide; Monoamine Oxidase Inhibitors; Phenylalanine; Probenecid; Serotonin; Tryptophan | 1975 |
Comparison between the metabolic effects of tryptophan and histidine deficiencies in the rat.
Topics: Animal Nutritional Physiological Phenomena; Animals; Body Water; Body Weight; Deficiency Diseases; Histidine; Kidney; Liver; Male; Muscles; Nitrogen; Organ Size; Phenylalanine; Proteins; Rats; Tryptophan; Urea | 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 |
Effects of essential and nonessential amino acids on gastric emptying in the dog.
Topics: Amino Acids; Amino Acids, Essential; Animals; Cholecystokinin; Dogs; Gastrointestinal Motility; Imino Acids; Phenylalanine; Pyloric Antrum; Stomach; Tryptophan | 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 |
Discrimination by rhesus monkeys of diets containing supplemental amino acids.
Topics: Amino Acids; Animals; Discrimination, Psychological; Drinking Behavior; Female; Food Preferences; Isoleucine; Macaca mulatta; Male; Methionine; Nutritional Requirements; Phenylalanine; Protein Deficiency; Taste; Tryptophan | 1975 |
Quantitative determinations by ion pair extraction. Part 12. Extraction of amino acids with quaternary ammonium ions.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Hydroxyproline; Ion Exchange; Leucine; Methionine; Phenylalanine; Proline; Quaternary Ammonium Compounds; Solutions; Tryptophan | 1975 |
Low temperature mass loss of thin films of L-phenylalanine and L-tryptophan upon electron irradiation--a preliminary report.
Topics: Cold Temperature; Microscopy, Electron, Scanning; Models, Biological; Phenylalanine; Stereoisomerism; Temperature; Tryptophan | 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 |
Tryptophan metabolism in various nutritive conditions.
Topics: Animals; Diet; Epinephrine; Hydroxyindoleacetic Acid; Kynurenine; Nicotinic Acids; ortho-Aminobenzoates; Phenylalanine; Pyridoxine; Quinolines; Rats; Serotonin; Starvation; Tryptophan; Xanthurenates | 1975 |
A study of urinary tryptophan metabolites in relation to the phenylalanine content of semi-synthetic diets in a patient with phenylketonuria.
Topics: Adult; Diet; Humans; Male; Phenylalanine; Phenylketonurias; Tryptophan | 1975 |
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 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 |
Co-oligopeptides of aromatic amino acids and glycine with a variable distance between the aromatic residues. III. Co-oligopeptides of L-phenylalanine, L-tryptophan, and Glycine: synthesis and ultraviolet absorption properties.
Topics: Absorption; Amino Acid Sequence; Glycine; Oligopeptides; Phenylalanine; Spectrophotometry, Ultraviolet; Tryptophan | 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 |
Intramolecular microdynamical and conformational parameters of peptides from 1H and 13C NMR spin-lattice relaxation. Tetragastrin.
Topics: Asparagine; Binding Sites; Dimethyl Sulfoxide; Gastrointestinal Hormones; Magnetic Resonance Spectroscopy; Mathematics; Methionine; Molecular Conformation; Oligopeptides; Phenylalanine; Protein Binding; Protein Conformation; Tryptophan | 1976 |
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 |
Feeding behavior and ambulatory activity in rats with D-galactosamine-induced hepatic failure.
Topics: Amino Acids, Branched-Chain; Animals; Circadian Rhythm; Consummatory Behavior; Corpus Striatum; Feeding Behavior; Galactosamine; Hepatic Encephalopathy; Male; Motor Activity; Neurotransmitter Agents; Phenylalanine; Rats; Rats, Inbred Strains; Tryptophan | 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 |
Distribution of mRNA of a Na(+)-independent neutral amino acid transporter cloned from rat kidney and its expression in mammalian tissues and Xenopus laevis oocytes.
Topics: Amino Acid Transport Systems; Amino Acids; Animals; Biological Transport; Carrier Proteins; Cell Line; Cloning, Molecular; Female; Humans; Kidney; Kinetics; Leucine; Mice; Oocytes; Organ Specificity; Phenylalanine; Rabbits; Rats; RNA, Messenger; Transfection; Tryptophan; Xenopus laevis | 1992 |
Cofactor and DNA interactions in EcoRI DNA methyltransferase. Fluorescence spectroscopy and phenylalanine replacement for tryptophan 183.
Topics: Acrylamide; Acrylamides; Base Sequence; DNA; Fluorescence Polarization; Genetic Vectors; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; S-Adenosylmethionine; Site-Specific DNA-Methyltransferase (Adenine-Specific); Tryptophan | 1992 |
Signal sequences containing multiple aromatic residues.
Topics: Alkaline Phosphatase; Amino Acid Sequence; Base Sequence; Biological Transport; DNA, Bacterial; Escherichia coli; Molecular Sequence Data; Mutagenesis; Phenylalanine; Protein Processing, Post-Translational; Protein Sorting Signals; Tryptophan | 1992 |
Investigating interdomain region mutants Phe194----Leu and Phe194----Trp of yeast phosphoglycerate kinase by 1H-NMR spectroscopy.
Topics: Adenosine Triphosphate; Cations, Divalent; Kinetics; Leucine; Magnesium; Magnetic Resonance Spectroscopy; Mutation; Phenylalanine; Phosphoglycerate Kinase; Protein Conformation; Saccharomyces cerevisiae; Tryptophan | 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 |
Adsorption profile of commercially available adsorbents: an in vitro evaluation.
Topics: Adsorption; Antibodies; Cholesterol, LDL; Complement C4; Dextran Sulfate; Humans; Immunoglobulin G; Materials Testing; Phenylalanine; Plasma Exchange; Receptors, Cholinergic; Staphylococcal Protein A; Tryptophan | 1992 |
Protein engineering of xylose (glucose) isomerase from Actinoplanes missouriensis. 2. Site-directed mutagenesis of the xylose binding site.
Topics: Actinomycetales; Aldose-Ketose Isomerases; Binding Sites; Carbohydrate Epimerases; Catalysis; Genetic Engineering; Histidine; Kinetics; Lysine; Molecular Structure; Mutagenesis, Site-Directed; Phenylalanine; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Xylose | 1992 |
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 |
[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 |
Amino acid sequence modulation of gramicidin channel function: effects of tryptophan-to-phenylalanine substitutions on the single-channel conductance and duration.
Topics: Amino Acid Sequence; Gramicidin; Hydrogen Bonding; Ion Channels; Lipid Bilayers; Membrane Potentials; Molecular Sequence Data; Phenylalanine; Protein Conformation; Structure-Activity Relationship; Thermodynamics; Tryptophan | 1991 |
Adsorption and elution of bovine gamma-globulin using an affinity membrane containing hydrophobic amino acids as ligands.
Topics: Animals; Cattle; Chromatography, Affinity; gamma-Globulins; Ligands; Phenylalanine; Tryptophan | 1991 |
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 |
Specific binding of L-tryptophan to serum albumin and its function in vivo.
Topics: Animals; Biological Transport; Leucine; Liver; Male; Phenylalanine; Protein Binding; Rats; Rats, Inbred Strains; Rats, Mutant Strains; Serum Albumin; Tryptophan | 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 |
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 |
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 |
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 |
Role of the conserved active site residue tryptophan-24 of human dihydrofolate reductase as revealed by mutagenesis.
Topics: Allosteric Regulation; Apoenzymes; Binding Sites; Humans; Hydrogen; Hydrogen-Ion Concentration; Kinetics; Ligands; Mutation; NADP; Phenylalanine; Protein Denaturation; Tetrahydrofolate Dehydrogenase; Tetrahydrofolates; Tryptophan | 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 |
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 |
The 1H-NMR assignments of the aromatic resonances in complexes of Lactobacillus casei dihydrofolate reductase and the origins of their chemical shifts.
Topics: Chemical Phenomena; Chemistry, Physical; Crystallization; Lacticaseibacillus casei; Magnetic Resonance Spectroscopy; Molecular Structure; Phenylalanine; Protein Conformation; Pyrimidines; Solutions; Tetrahydrofolate Dehydrogenase; Tryptophan | 1990 |
Effects of replacement of tryptophan-140 by phenylalanine or glycine on the function of Escherichia coli aspartate aminotransferase.
Topics: Aspartate Aminotransferases; Circular Dichroism; Escherichia coli; Glycine; Kinetics; Mutation; Phenylalanine; Protein Conformation; Spectrophotometry; Substrate Specificity; Tryptophan | 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 |
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 |
Isotope-edited NMR of cyclosporin A bound to cyclophilin: evidence for a trans 9,10 amide bond.
Topics: Amides; Amino Acid Isomerases; Carbon Isotopes; Carrier Proteins; Cyclosporins; Escherichia coli; Humans; Leucine; Magnetic Resonance Spectroscopy; Peptidylprolyl Isomerase; Phenylalanine; Protein Binding; Protein Conformation; Recombinant Proteins; Tryptophan | 1990 |
Role of tryptophan 248 in the active site of tryptophanase from Escherichia coli.
Topics: Animals; Binding Sites; Circular Dichroism; Escherichia coli; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Pyridoxal Phosphate; Spectrometry, Fluorescence; Substrate Specificity; Swine; Tryptophan; Tryptophanase | 1990 |
Isolation and characterization of a variant dihydrofolate reductase cDNA from methotrexate-resistant murine L5178Y cells.
Topics: Amino Acid Sequence; Animals; Base Sequence; Cell Division; Cell Line; Cloning, Molecular; Cricetinae; DNA; Drug Resistance; Gene Expression Regulation; Methotrexate; Mice; Molecular Sequence Data; Phenylalanine; Plasmids; Polymerase Chain Reaction; Tetrahydrofolate Dehydrogenase; Transcription, Genetic; Transfection; Tryptophan | 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 |
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 |
Intestinal phase of pancreatic polypeptide release: the effect of segmental perfusion of the small intestine with various secretagogues.
Topics: Animals; Cholecystokinin; Dogs; Hydrochloric Acid; Intestine, Small; Oleic Acid; Oleic Acids; Pancreatic Polypeptide; Perfusion; Phenylalanine; Secretin; Tryptophan | 1990 |
Enantiomer resolution in immobilized pH gradient gels via inclusion of a chiral discriminator.
Topics: Amino Acids; beta-Cyclodextrins; Chemical Phenomena; Chemistry, Physical; Cyclodextrins; Dansyl Compounds; Dextrins; Hydrogen-Ion Concentration; Isoelectric Focusing; Phenylalanine; Starch; Stereoisomerism; Tryptophan | 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 |
Intrinsic fluorescence of succinyl-CoA synthetase and four tryptophan mutants. Tryptophan 76 and tryptophan 248 of the beta-subunit are responsive to CoA binding.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Coenzyme A; Coenzyme A Ligases; Iodides; Mutation; Phenylalanine; Protein Binding; Spectrometry, Fluorescence; Succinate-CoA Ligases; Succinates; Tryptophan | 1990 |
Site-directed mutagenesis of ricin A chain Trp 211 to Phe.
Topics: Amino Acid Sequence; Base Sequence; Binding Sites; Molecular Sequence Data; Mutation; Phenylalanine; Recombinant Proteins; Ricin; Tryptophan | 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 |
The depletion of tryptophan and serotonin in the brain of developing hyperphenylalaninemic rats is abolished by the additional administration of lysine.
Topics: Animals; Brain Chemistry; Hydroxyindoleacetic Acid; Lysine; Male; Phenylalanine; Phenylketonurias; Rats; Rats, Inbred Strains; Serotonin; Tryptophan | 1986 |
Cerebral serotonin regulation by phenylalanine analogues and during hyperphenylalaninemia.
Topics: Animals; Brain; Fenclonine; Hydroxyindoleacetic Acid; Phenylalanine; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase | 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 |
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 |
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 |
Role of cholecystokinin in intestinal phase and meal-induced pancreatic secretion.
Topics: Amylases; Animals; Cholecystokinin; Dogs; Eating; Injections, Intravenous; Intestines; Oleic Acid; Oleic Acids; Pancreas; Phenylalanine; Sincalide; Tryptophan | 1989 |
Lysine and alanine transport in the perfused guinea-pig placenta.
Topics: 2,4-Dinitrophenol; Alanine; Animals; Biological Transport; Dinitrophenols; Guinea Pigs; Lysine; Perfusion; Phenylalanine; Placenta; Tryptophan | 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 |
[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 |
Amonabactin, a novel tryptophan- or phenylalanine-containing phenolate siderophore in Aeromonas hydrophila.
Topics: Aeromonas; Iron; Iron Chelating Agents; Lysine; Phenols; Phenylalanine; Siderophores; Spectrophotometry, Ultraviolet; Tryptophan | 1989 |
Physiological control of amonabactin biosynthesis in Aeromonas hydrophila.
Topics: Aeromonas; Base Sequence; DNA, Bacterial; Hydroxybenzoates; Ionophores; Iron; Iron Chelating Agents; Molecular Sequence Data; Mutation; Oligopeptides; Phenylalanine; Phosphates; Siderophores; Tryptophan | 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 |
Structure-function studies on bacteriorhodopsin. IX. Substitutions of tryptophan residues affect protein-retinal interactions in bacteriorhodopsin.
Topics: Amino Acid Sequence; Bacteriorhodopsins; Cloning, Molecular; Hydrogen-Ion Concentration; Light; Molecular Sequence Data; Phenylalanine; Protein Conformation; Protons; Retinaldehyde; Retinoids; Structure-Activity Relationship; Tryptophan | 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 |
Substitution of amino acids in helix F of bacteriorhodopsin: effects on the photochemical cycle.
Topics: Alanine; Amino Acid Sequence; Amino Acids; Bacteriorhodopsins; Glutamates; Glutamic Acid; Glutamine; Glycine; Hydrogen Bonding; Kinetics; Leucine; Molecular Sequence Data; Mutation; Phenylalanine; Photochemistry; Proline; Protons; Serine; Tryptophan | 1989 |
UV spectroscopic studies of human erythrocyte superoxide dismutase.
Topics: Apoenzymes; Azides; Copper; Cyanides; Erythrocytes; Ethylene Glycol; Ethylene Glycols; Humans; Isoenzymes; Phenylalanine; Potassium Chloride; Spectrophotometry, Ultraviolet; Superoxide Dismutase; Tryptophan; Urea; Zinc | 1989 |
QSAR and molecular shape analysis of aryl-substituted alanine analogs as antigelling agents.
Topics: Alanine; Gels; Hemoglobins; Models, Biological; Molecular Conformation; Molecular Structure; Phenylalanine; Solubility; Structure-Activity Relationship; Tryptophan | 1989 |
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 |
Morphologic and functional alterations in absorptive epithelial cells during L-tryptophan induced inhibition of net sodium and fluid absorption in the rat ileum.
Topics: Animals; Biological Transport; Body Water; Epithelium; Glycine; Ileum; Immunoenzyme Techniques; Intestinal Absorption; Jejunum; Male; Microscopy, Electron; Osmolar Concentration; Phenylalanine; Rats; Serotonin; Sodium; Tryptophan | 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 |
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 |
Effects of conversion of an invariant tryptophan residue to phenylalanine on the function of human dihydrofolate reductase.
Topics: Amino Acid Sequence; Binding Sites; Cloning, Molecular; DNA; Enzyme Stability; Enzyme-Linked Immunosorbent Assay; Humans; Kinetics; Molecular Sequence Data; Mutation; Phenylalanine; Plasmids; Spectrometry, Fluorescence; Tetrahydrofolate Dehydrogenase; Tryptophan | 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 |
Biochemical and developmental features of experimental phenylketonuria induced by L-ethionine in suckling rats.
Topics: Adenosine Triphosphate; Animals; Animals, Suckling; Body Weight; Brain Chemistry; Electrophoresis, Gel, Two-Dimensional; Ethionine; Liver; Male; Methionine; Organ Size; Phenylalanine; Phenylketonurias; Phenylpyruvic Acids; Rats; Rats, Inbred Strains; Tryptophan | 1989 |
Interactions of antibody aromatic residues with a peptide of cholera toxin observed by two-dimensional transferred nuclear Overhauser effect difference spectroscopy.
Topics: Antigen-Antibody Reactions; Binding Sites; Cholera Toxin; Magnetic Resonance Spectroscopy; Molecular Weight; Peptide Fragments; Phenylalanine; Tryptophan | 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 |
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 |
Engineered Tet repressor mutants with single tryptophan residues as fluorescent probes. Solvent accessibilities of DNA and inducer binding sites and interaction with tetracycline.
Topics: Bacterial Proteins; DNA; DNA Transposable Elements; Escherichia coli; Kinetics; Mutation; Phenylalanine; Repressor Proteins; Species Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tetracycline; Transcription Factors; Tryptophan | 1987 |
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 |
Where is the radical in compound I of cytochrome c peroxidase? Clues from crystallography and mutagenesis.
Topics: Binding Sites; Cytochrome-c Peroxidase; Free Radicals; Glycine; Histidine; Kinetics; Models, Molecular; Mutation; Peroxidases; Phenylalanine; Protein Conformation; Saccharomyces cerevisiae; Tryptophan | 1988 |
Tryptophan-191----phenylalanine, a proximal-side mutation in yeast cytochrome c peroxidase that strongly affects the kinetics of ferrocytochrome c oxidation.
Topics: Cytochrome c Group; Cytochrome-c Peroxidase; Escherichia coli; Kinetics; Models, Molecular; Mutation; Oxidation-Reduction; Peroxidases; Phenylalanine; Protein Conformation; Saccharomyces cerevisiae; Spectrophotometry; Tryptophan | 1988 |
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 |
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 |
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 |
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 |
Interactions of aromatic amino acids with gastric secretagogues in humans.
Topics: Adult; Bethanechol; Bethanechol Compounds; Drug Interactions; Drug Synergism; Female; Gastric Acid; Histamine; Humans; Male; Pentagastrin; Phenylalanine; Stimulation, Chemical; Tryptophan | 1988 |
[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 |
Studies on the mechanism by which tryptophan efflux from isolated synaptosomes is stimulated by depolarization.
Topics: Animals; Fenclonine; In Vitro Techniques; Male; Neuromuscular Depolarizing Agents; Phenylalanine; Potassium; Rats; Rats, Inbred Strains; Serotonin; Sodium; Synaptosomes; Tryptophan | 1988 |
Abilities of some tryptophan and phenylalanine derivatives to inhibit gastric acid secretion.
Topics: Animals; Benzamides; Esters; Gastric Acid; Gastric Mucosa; Gastrins; Male; Phenylalanine; Rabbits; Rats; Rats, Inbred Strains; Receptors, Cell Surface; Receptors, Cholecystokinin; Structure-Activity Relationship; Tryptophan | 1985 |
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 |
Two conserved tryptophan residues of tumor necrosis factor and lymphotoxin are not involved in the biological activity.
Topics: Amino Acid Sequence; Animals; Base Sequence; Binding Sites; Cell Survival; Cloning, Molecular; DNA; DNA, Recombinant; Escherichia coli; Humans; Lymphotoxin-alpha; Mice; Molecular Sequence Data; Mutation; Phenylalanine; Plasmids; Structure-Activity Relationship; Transformation, Genetic; Tryptophan; Tumor Necrosis Factor-alpha | 1988 |
Neutral amino acid transport in astrocytes: characterization of Na+-dependent and Na+-independent components of alpha-aminoisobutyric acid uptake.
Topics: Amino Acids; Amino Acids, Cyclic; Aminoisobutyric Acids; Animals; Astrocytes; Biological Transport; Brain; Ethylmaleimide; Hydrogen-Ion Concentration; Insulin; Kinetics; Mice; Phenylalanine; Sodium; Time Factors; Tryptophan | 1988 |
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 |
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 |
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 |
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 |
Amino acid-amino acid interactions studied by charge-transfer chromatography.
Topics: Alanine; Amino Acids; Chromatography, Thin Layer; Hydrogen-Ion Concentration; Indicators and Reagents; Phenylalanine; Sodium Chloride; Spectrophotometry, Ultraviolet; Tryptophan | 1988 |
Tryptophan 54 and phenylalanine 60 are involved synergistically in the binding of E. coli SSB protein to single-stranded polynucleotides.
Topics: Bacterial Proteins; DNA-Binding Proteins; DNA, Single-Stranded; Escherichia coli; Phenylalanine; Poly T; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan | 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 |
Nanosecond pulse fluorometry of conformational change in phenylalanine hydroxylase associated with activation.
Topics: Animals; Enzyme Activation; Indicators and Reagents; Kinetics; Liver; Maleimides; Phenylalanine; Phenylalanine Hydroxylase; Protein Conformation; Rats; Spectrometry, Fluorescence; Time Factors; Tryptophan | 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 |
A role for tryptophan in regulation of protein synthesis in porcine muscle.
Topics: Administration, Oral; Animal Nutritional Physiological Phenomena; Animals; Body Weight; Carbon Radioisotopes; Muscle Development; Muscle Proteins; Muscles; Phenylalanine; Swine; Tryptophan | 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 |
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 |
Extracorporeal hydrophobic amino acid adsorbent therapy in rheumatoid arthritis.
Topics: Absorption; Adult; Aged; Antigen-Antibody Complex; Arthritis, Rheumatoid; Female; Gels; Humans; Male; Middle Aged; Phenylalanine; Plasmapheresis; Polyvinyl Alcohol; Rheumatoid Factor; Tryptophan | 1987 |
High-performance liquid chromatography of fluorescent components in serum.
Topics: Chromatography, High Pressure Liquid; Fluorescence; Phenylalanine; Tryptophan; Tyrosine; Uremia | 1987 |
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 |
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 |
Proton NMR studies of the molecular basis for the anti-sickling activity of non-covalent antisickling compounds.
Topics: Antisickling Agents; Benzyl Alcohols; Binding Sites; Chemical Phenomena; Chemistry; Hemoglobin, Sickle; Humans; Magnetic Resonance Spectroscopy; Molecular Conformation; Phenylalanine; Tryptophan; Valine | 1987 |
Tryptophan in alpha-helix 3 of Tet repressor forms a sequence-specific contact with tet operator in solution.
Topics: Base Sequence; Kinetics; Mutation; Operon; Phenylalanine; Repressor Proteins; Spectrometry, Fluorescence; Transcription Factors; Tryptophan | 1987 |
Lower tryptophan:phenylalanine ratios in culture media increase medium: pineal melatonin ratios in early dark but not late light phase.
Topics: Animals; Circadian Rhythm; Culture Media; Culture Techniques; Dose-Response Relationship, Drug; Light; Male; Melatonin; Phenylalanine; Pineal Gland; Rats; Tryptophan | 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 |
Synthesis, resolution and characterization of ring substituted phenylalanines and tryptophans.
Topics: Indicators and Reagents; Optical Rotation; Phenylalanine; Structure-Activity Relationship; Tryptophan | 1987 |
Liposome-loaded phenylalanine or tryptophan as sickling inhibitor: a possible therapy for sickle cell disease.
Topics: Anemia, Sickle Cell; Erythrocytes; Humans; Liposomes; Osmotic Fragility; Phenylalanine; Tryptophan | 1987 |
Effect of phenylalanine- or tryptophan-loaded liposomes on the rheological properties of AA and SS erythrocytes.
Topics: Anemia, Sickle Cell; Blood Viscosity; Erythrocytes; Humans; Liposomes; Phenylalanine; Tryptophan | 1987 |
Tryptophan requirement of growing swine as determined by the oxidation of an indicator amino acid.
Topics: Animal Nutritional Physiological Phenomena; Animals; Male; Oxidation-Reduction; Phenylalanine; Swine; Tryptophan | 1986 |
Proton nuclear magnetic resonance analyses of the molecular conformations of unique long neurotoxins bearing Phe-25: Astrotia stokesii b, Astrotia stokesii c, and Acanthophis antarcticus b.
Topics: Circular Dichroism; Elapid Venoms; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Molecular Conformation; Neurotoxins; Phenylalanine; Tryptophan | 1986 |
Spectroscopic studies of lipoproteins.
Topics: Apolipoproteins; Humans; Lipoproteins; Phenylalanine; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Tyrosine | 1986 |
Characterization of tryptophan transport in human placental brush-border membrane vesicles.
Topics: Amino Acids; Azides; Biological Transport; Ethylmaleimide; Female; Humans; In Vitro Techniques; Kinetics; Microvilli; Phenylalanine; Placenta; Pregnancy; Sodium; Tryptophan | 1986 |
Regulation of hepatic aromatic amino acid metabolism.
Topics: Biological Transport; Carrier Proteins; Cell Membrane; Liver; Phenylalanine; Tryptophan; Tyrosine | 1986 |
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 |
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 |
Effect of short-term administration of nitrous oxide on plasma concentrations of methionine, tryptophan, phenylalanine and S-adenosyl methionine in man.
Topics: Adult; Aged; Amino Acids; Anesthesia, General; Female; Humans; Male; Methionine; Middle Aged; Nitrous Oxide; Phenylalanine; S-Adenosylmethionine; Time Factors; Tryptophan | 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 |
The effects of amino acids on protein degradation and translocation of non-histone proteins to the nucleus in lymphocytes.
Topics: Amino Acids; Biological Transport; Cell Nucleus; Cells, Cultured; Chloroquine; Chromosomal Proteins, Non-Histone; Dactinomycin; Humans; Kinetics; Leucine; Lymphocytes; Phenylalanine; Protein Biosynthesis; Proteins; Tritium; Tryptophan | 1986 |
Molecular basis for the anti-sickling activity of aromatic amino acids and related compounds: a proton nuclear magnetic resonance investigation.
Topics: Antisickling Agents; Benzyl Alcohols; Benzyl Compounds; Hemoglobin A; Hemoglobin, Sickle; Humans; Macromolecular Substances; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Conformation; Tryptophan; Valine | 1986 |
Opiate nerves mediate feline pyloric response to intraduodenal amino acids.
Topics: Amino Acids; Animals; Cats; Duodenum; Endorphins; Gastrointestinal Motility; Naloxone; Neural Pathways; Phenylalanine; Pylorus; Sincalide; Stimulation, Chemical; Tryptophan | 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 |
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 |
The effect of intraluminal tryptophan and phenylalanine on small intestinal motility in the conscious dog.
Topics: Animals; Dogs; Fasting; Gastrointestinal Motility; Jejunum; Motor Activity; Phenylalanine; Stereoisomerism; Time Factors; Tryptophan | 1985 |
Spectrophotometric determination of some peptidases.
Topics: Amino Acid Oxidoreductases; Isoleucine; Leucine; Methionine; Methods; Microchemistry; NAD; Peptide Hydrolases; Peroxidases; Phenylalanine; Spectrophotometry; 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 |
[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 |
Allergic encephalomyelitis. An encephalitogenic peptide derived from the basic protein of myelin.
Topics: Amino Acid Sequence; Animals; Antibodies; Cattle; Chromatography, Gel; Electrophoresis; Encephalomyelitis, Autoimmune, Experimental; Epitopes; Guinea Pigs; Haplorhini; Hemagglutination Inhibition Tests; Myelin Sheath; Nerve Tissue Proteins; Pepsin A; Peptides; Phenylalanine; Rabbits; Spinal Cord; Thiocyanates; Trypsin; Tryptophan | 1971 |
Axonal transport of proteins in retinal ganglion cells. Amino acid incorporation into rapidly transported proteins and distribution of radioactivity to the lateral geniculate body and the superior colliculus.
Topics: Alanine; Amino Acids; Animals; Aspartic Acid; Axonal Transport; Cysteine; Female; Geniculate Bodies; Glycine; Histidine; Leucine; Lysine; Male; Methionine; Nerve Tissue Proteins; Optic Nerve; Phenylalanine; Proline; Rabbits; Retina; Superior Colliculi; Tritium; Tryptophan | 1972 |
Photohemolytic activity of tryptophan and phenylalanine metabolites.
Topics: ABO Blood-Group System; Carotenoids; Depression, Chemical; Dose-Response Relationship, Drug; Hemolysis; Humans; Kynurenic Acid; Oxygen; Phenylalanine; Radiation Effects; Rh-Hr Blood-Group System; Spectrophotometry; Stimulation, Chemical; Sunlight; Tryptophan; Ultraviolet Rays | 1974 |
[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 |
Aromatic amino acid transaminases in rat brain.
Topics: 5-Hydroxytryptophan; Ammonium Sulfate; Animals; Brain; Chemical Precipitation; Chromatography, DEAE-Cellulose; Dihydroxyphenylalanine; Ketoglutaric Acids; Kynurenine; Male; Oxaloacetates; Phenylalanine; Pyruvates; Rats; Transaminases; Tryptophan; Tyrosine Transaminase | 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 |
[Double sugar iron agar with indication of aromatic amino acid deamination: a polytropic differentiating medium for enterobacteriaceae (author's transl)].
Topics: Agar; Amino Acids; Culture Media; Deamination; Enterobacteriaceae; Fermentation; Glucose; Hydrogen Sulfide; Iron; Lactose; Phenylalanine; Tryptophan | 1973 |
Aromatic amino acid transaminase in rat intestine.
Topics: 5-Hydroxytryptophan; Animals; Chemical Phenomena; Chemistry, Physical; Chromatography, DEAE-Cellulose; Chromatography, Gel; Intestine, Small; Ketoglutaric Acids; Kinetics; Kynurenine; Male; Oxaloacetates; Phenylalanine; Pyruvates; Rats; Transaminases; Tryptophan; Tyrosine Transaminase | 1973 |
Interference by tryptophan analogues of an in vitro assay for liver tyrosine transaminase activity.
Topics: 5-Hydroxytryptophan; Animals; Colorimetry; Dihydroxyphenylalanine; Enzyme Activation; Kinetics; Leucine; Liver; Mice; Phenylalanine; Serotonin; Structure-Activity Relationship; Tryptophan; Tyrosine Transaminase | 1974 |
Incorporation of labeled amino acids into serum and tissue proteins from normal and x-irradiated mice.
Topics: Alpha-Globulins; Animals; Beta-Globulins; Blood Proteins; gamma-Globulins; Liver; Male; Mice; Phenylalanine; Protein Biosynthesis; Radiation Effects; Spleen; Thyroxine-Binding Proteins; Tritium; Tryptophan | 1967 |
Cytochemical studies on the concurrent synthesis of DNA and histone in primary spermatocytes of Urechis caupo.
Topics: Animals; Annelida; Arginine; Autoradiography; DNA; Histocytochemistry; Histones; Lysine; Male; Meiosis; Phenylalanine; Photometry; Spermatozoa; Staining and Labeling; Tritium; Tryptophan | 1968 |
Stimulation of insulin secretion in vitro by essential aminoacids.
Topics: Animals; Arginine; Dogs; Glucose; Histidine; In Vitro Techniques; Insulin; Insulin Secretion; Isoleucine; Leucine; Lysine; Methionine; Pancreas; Phenylalanine; Rabbits; Rats; Stimulation, Chemical; Threonine; Tryptophan; Valine | 1969 |
A theory of neuronal malfunction in schizophrenia.
Topics: Alpha-Globulins; Amino Acids; Animals; Antigens; Autoantibodies; Beta-Globulins; Cell Membrane Permeability; Chickens; Erythrocytes; Glutamates; Hemolysin Proteins; Humans; In Vitro Techniques; Neurons; Phenylalanine; Rats; Schizophrenia; Synapses; Synaptic Transmission; Tryptophan | 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 |
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 |
Snake venom toxins. The purification and amino acid sequence of toxin TA2 from Dendroaspis angusticeps venom.
Topics: Amino Acid Sequence; Amino Acids; Animals; Biological Assay; Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Ion Exchange; Cyanogen Bromide; Disulfides; Immunodiffusion; Mice; Peptide Fragments; Peptides; Phenylalanine; Snakes; Species Specificity; Structure-Activity Relationship; Toxins, Biological; Trypsin; Tryptophan; Venoms | 1974 |
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 |
Isolation of carbonic anhydrase from dog erythrocytes and determination of its N-terminal amino-acid sequence.
Topics: Amino Acid Sequence; Amino Acids; Animals; Benzoates; Carbonic Anhydrases; Carboxypeptidases; Cattle; Chymotrypsin; Disulfides; Dogs; Electrophoresis, Disc; Electrophoresis, Polyacrylamide Gel; Enzyme Activation; Erythrocytes; Histidine; Horses; Humans; Nitro Compounds; Phenylalanine; Serine; Species Specificity; Tryptophan; Ultracentrifugation | 1974 |
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 |
Snake venom toxins. The reactivity of the disulphide bonds of Naja nivea toxin alpha.
Topics: Animals; Aspartic Acid; Binding Sites; Biological Assay; Carbon Radioisotopes; Chromatography, Gel; Chromatography, Ion Exchange; Chromatography, Paper; Cysteine; Disulfides; Dithiothreitol; Electrophoresis, Paper; Glycine; Immunodiffusion; Iodoacetates; Lethal Dose 50; Mice; Peptide Fragments; Phenylalanine; Protein Binding; Protein Conformation; Snakes; Spectrophotometry, Ultraviolet; Toxins, Biological; Tryptophan; Venoms | 1974 |
Two interconvertible forms of a purified E. coli esterase specific for APNE.
Topics: Amidohydrolases; Binding Sites; Caseins; Cell Division; Dialysis; Edetic Acid; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Esterases; Iodine Radioisotopes; Macromolecular Substances; Mercaptoethanol; Molecular Weight; Naphthols; Phenylalanine; Protein Binding; Sodium Dodecyl Sulfate; Tryptophan; Ultrasonics | 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 |
Replacement of lysine by arginine, phenylalanine, and tryptophan in the reactive site of the trypsin-kallikrein inhibitor (Kunitz).
Topics: Amino Acid Sequence; Aprotinin; Arginine; Binding Sites; Chemical Phenomena; Chemistry; Electrophoresis, Disc; Lysine; Phenylalanine; Tryptophan | 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 |
[Hepatic steatosis and cholesterolemia in the domestic duckling in the course of protein malnutrition on a rice diet].
Topics: Animals; Arginine; Deficiency Diseases; Fatty Liver; Glutamine; Glycine; Growth; Histidine; Hypercholesterolemia; Isoleucine; Leucine; Lysine; Methionine; Oryza; Phenylalanine; Poultry Diseases; Protein Deficiency; Threonine; Tryptophan; Valine | 1965 |
Evidence for two types of phosphorylation of proteins.
Topics: Amino Acids; Animals; Barium; Blood Proteins; Carbon Isotopes; Caseins; Chromatography; Cycloheximide; Ethionine; Female; Hydroxides; Kidney; Lactation; Liver; Mammary Glands, Animal; Metabolism; Phenylalanine; Phosphatidylethanolamines; Phosphorus; Phosphorus Isotopes; Pregnancy; Proteins; Puromycin; Rats; RNA, Transfer; Tryptophan | 1969 |
Studies on intestinal absorption of amino acids and a dipeptide in a case of Hartnup disease.
Topics: Adult; Alanine; Amino Acids; Chromatography, Paper; Dipeptides; Female; Hartnup Disease; Histidine; Humans; Intestinal Absorption; Intestine, Small; Niacinamide; Phenylalanine; Radiography; Tryptophan | 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 |
[Pharmacological and therapeutic studies (p-chlorphenylalanin) on carcinoid syndrome in 11 cases].
Topics: 5-Hydroxytryptophan; Aged; Blood Pressure; Bradykinin; Epinephrine; Female; Fenclonine; Humans; Hydroxyindoleacetic Acid; Isoproterenol; Male; Malignant Carcinoid Syndrome; Metaraminol; Middle Aged; Mixed Function Oxygenases; Norepinephrine; Phentolamine; Phenylalanine; Serotonin; Tryptophan; Tyramine | 1971 |
Modification of the toxic actions of l-tryptophan by pargyline and p-chlorophenylalanine.
Topics: Animals; Brain Chemistry; Fenclonine; Male; Pargyline; Phenylalanine; Rats; Serotonin; Time Factors; Tryptophan | 1970 |
The effect of tryptophan metabolites on brain 5-hydroxytryptamine metabolism.
Topics: Alanine; Allopurinol; Amino Acids; Animals; Brain; Brain Chemistry; Carbon Isotopes; Carboxy-Lyases; Histamine; Kynurenic Acid; Kynurenine; Male; Methanol; Methyldopa; Mixed Function Oxygenases; Niacinamide; Nicotinic Acids; Nitroglycerin; ortho-Aminobenzoates; Phenylalanine; Phenylbutyrates; Picolinic Acids; Pyridines; Pyridoxal Phosphate; Pyridoxine; Rats; Serotonin; Sulfuric Acids; Time Factors; Tryptophan; Tryptophan Oxygenase; Xanthurenates | 1970 |
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 |
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 |
Effect of p-chlorophenylalanine on tryptophan hydroxylase in rat pineal.
Topics: Animals; Fenclonine; Male; Mixed Function Oxygenases; Phenylalanine; Pineal Gland; Rats; Serotonin; Tryptophan | 1972 |
The feasibility of treating Down's disease with a reduced phenylalanine diet.
Topics: Diet Therapy; Down Syndrome; Humans; Infant, Newborn; Phenylalanine; Phenylketonurias; Tryptophan | 1971 |
Inhibition of brain tryptophan-5-hydroxylase by amino acids--the role of L-tryptophan uptake inhibition.
Topics: Animals; Brain; Bromine; Carbon Isotopes; Chlorine; Fenclonine; Fluorine; In Vitro Techniques; Kinetics; Male; Methylation; Mixed Function Oxygenases; Nitro Compounds; Phenylalanine; Rats; Stereoisomerism; Subcellular Fractions; Synaptosomes; Tryptophan | 1972 |
Chorismate mutase-prephenate dehydratase from Escherichia coli K-12. II. Kinetic properties.
Topics: Animals; Benzyl Compounds; Cattle; Chlorine; Cyclohexanecarboxylic Acids; Cyclohexanes; Dithiothreitol; Enzyme Activation; Escherichia coli; Fenclonine; Fluorine; Formates; Hydro-Lyases; Hydrogen-Ion Concentration; Isomerases; Kinetics; Mercaptoethanol; Phenols; Phenylalanine; Propionates; Pyruvates; Serum Albumin, Bovine; Stereoisomerism; Tryptophan | 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 |
[Acrylamide gel electrophoretic behavior of alkaline phosphatase isoenzymes in mice].
Topics: Alkaline Phosphatase; Animals; Brain; Electrophoresis, Polyacrylamide Gel; Intestine, Small; Isoenzymes; Kidney; Liver; Lung; Male; Mice; Myocardium; Phenylalanine; Spleen; Tryptophan | 1971 |
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 |
Tryptophan transport in Neurospora crassa by various types of mtr revertants.
Topics: Alleles; Arginine; Biological Transport, Active; Carbon Isotopes; Kinetics; Mutation; Neurospora; Neurospora crassa; Phenotype; Phenylalanine; Recombination, Genetic; Suppression, Genetic; Tryptophan | 1972 |
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 |
Catalytic asymmetric hydrogenation.
Topics: Acylation; Alanine; Amino Acids; Catalysis; Cinnamates; Dihydroxyphenylalanine; Fenclonine; Hydrogenation; Ligands; Optical Rotation; Phenylalanine; Phosphines; Tryptophan | 1973 |
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 |
Hepatic blood flow changes following intravenous infusion of various single amino acids in dogs. 3.
Topics: Alanine; Amino Acids; Animals; Arginine; Cysteine; Dogs; Electromagnetic Phenomena; Hepatic Artery; Hepatic Veins; Injections, Intravenous; Liver; Liver Circulation; Lysine; Phenylalanine; Portal System; Rheology; Stimulation, Chemical; Threonine; Tryptophan | 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 |
The tryptophan hydroxylase of Chromobacterium violaceum.
Topics: 5-Hydroxytryptophan; Carbon Radioisotopes; Cell Division; Chromatography, DEAE-Cellulose; Chromatography, Paper; Chromobacterium; Enzyme Induction; Fenclonine; Hydrogen-Ion Concentration; Kinetics; Mixed Function Oxygenases; Oxidation-Reduction; Phenylalanine; Pteridines; Spectrometry, Fluorescence; Sulfhydryl Reagents; Time Factors; Tryptophan; Tryptophan Hydroxylase | 1974 |
[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 |
Direct evidence for the binding or compartmentalization of acid-soluble metabolites in oocyte cells.
Topics: Adenine Nucleotides; Animals; Anura; Biological Transport; Cell Membrane Permeability; Chromatography, Ion Exchange; Chromatography, Thin Layer; Culture Media; Cytosine Nucleotides; Female; Guanine Nucleotides; Hot Temperature; Kinetics; Ovum; Perchlorates; Phenylalanine; Temperature; Tryptophan; Uracil Nucleotides | 1966 |
[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 |
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 |
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 |
Separation and characterization of HeLa alkaline pyrophosphatase isoenzymes.
Topics: Adenine Nucleotides; Alkaline Phosphatase; Binding Sites; Centrifugation, Density Gradient; Chromatography, Gel; Cysteine; Cytosine Nucleotides; Dialysis; Electrophoresis; Electrophoresis, Disc; Guanine Nucleotides; HeLa Cells; Hydrogen-Ion Concentration; Isoenzymes; Magnesium; Molecular Weight; NAD; Nucleotides; Phenylalanine; Pyrophosphatases; Stereoisomerism; Tryptophan; Uracil Nucleotides | 1969 |
Monoamines and the EEG stages of sleep.
Topics: Aged; Catecholamines; Electroencephalography; Female; Humans; Male; Middle Aged; Phenylalanine; Serotonin; Sleep; Sleep Stages; Sleep, REM; Tryptophan | 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 |
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 |
Triplet-state electron spin resonance of the aromatic amino acids and proteins.
Topics: Amino Acids; Electron Spin Resonance Spectroscopy; Phenylalanine; Proteins; Tryptophan; Tyrosine | 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 |
Serotonin now: clinical implications of inhibiting its synthesis with para-chlorophenylalanine.
Topics: Adult; Aged; Animals; Behavior; Brain Chemistry; Catechols; Cattle; Depression; Diarrhea; Dogs; Enzyme Precursors; Humans; Hydroxyindoleacetic Acid; Male; Malignant Carcinoid Syndrome; Middle Aged; Phenylalanine; Rabbits; Rats; Serotonin; Serotonin Antagonists; Sexual Behavior, Animal; Sleep, REM; Testosterone; Tryptophan; Vasomotor System | 1970 |
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 |
Pharmacological effects of carbaryl. II. Modification of serotonin metabolism in the rat brain.
Topics: Adrenocorticotropic Hormone; Animals; Brain; Brain Chemistry; Carbamates; Corticosterone; Hydroxyindoleacetic Acid; Male; Mixed Function Oxygenases; Naphthalenes; Phenylalanine; Rats; Reserpine; Serotonin; Stimulation, Chemical; Tryptophan | 1971 |
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 |
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 |
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 |
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 |
Kinetic studies of a hepatoma alkaline phosphatase.
Topics: Alkaline Phosphatase; Amino Acids; Ascitic Fluid; Binding, Competitive; Carcinoma, Hepatocellular; Chromatography, DEAE-Cellulose; Chromatography, Gel; Electrophoresis, Polyacrylamide Gel; Glycerophosphates; Humans; Kinetics; Leucine; Liver Neoplasms; Mathematics; Nitrophenols; Norleucine; Phenols; Phenylalanine; Phosphates; Tryptophan | 1973 |
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 |
Nucleotide sequence of tRNA Cys from baker's yeast.
Topics: Acrylamides; Animals; Base Sequence; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Cysteine; Glycine; Methionine; Nucleic Acid Conformation; Oligonucleotides; Pancreas; Phenylalanine; Phosphoric Diester Hydrolases; Ribonucleases; Ribonucleotides; RNA, Transfer; Saccharomyces cerevisiae; Snakes; Spleen; Tryptophan; Valine; Venoms | 1974 |
Conformational change associated with the acylation of alpha-chymotrypsin by N-acetyl-L-phenylalanine methyl ester.
Topics: Acetates; Binding Sites; Chromatography, Affinity; Chymotrypsin; Dimethyl Sulfoxide; Electron Spin Resonance Spectroscopy; Freezing; Hydrogen-Ion Concentration; Kinetics; Methanol; Phenylalanine; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Thermodynamics; Tryptophan | 1974 |
Kinetics of pyrophosphate-ATP exchange catalysed by L-tryptophan: tRNA ligase from Escherichia coli.
Topics: Adenosine Triphosphate; Amino Acyl-tRNA Synthetases; Animals; Binding Sites; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Diphosphates; Drug Synergism; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Isoleucine; Kinetics; Magnesium; Mathematics; Mutation; Pancreas; Phenylalanine; Phosphorus Radioisotopes; Protein Binding; Species Specificity; Tryptophan; Ultrafiltration | 1974 |
Further investigation of a variant of the placental alkaline phosphatase in human hepatic carcinoma.
Topics: Alkaline Phosphatase; Animals; Carcinoma, Hepatocellular; Chromatography, Gel; Cross Reactions; Edetic Acid; Electrophoresis, Polyacrylamide Gel; Hot Temperature; Humans; Hydrogen-Ion Concentration; Immunodiffusion; Isoenzymes; Leucine; Liver Neoplasms; Molecular Weight; Phenylalanine; Placenta; Rabbits; Tryptophan; Urea | 1974 |
Inhibition of liver phenylalanine and tryptophan hydroxylating enzyme systems in vitro and in vivo.
Topics: Aminopterin; Animals; Brain Chemistry; Coumarins; Enzyme Induction; Enzymes; Flavonoids; In Vitro Techniques; Liver; Liver Extracts; Methyldopa; Mice; Mixed Function Oxygenases; NAD; NADP; Phenylacetates; Phenylalanine; Rats; Serotonin; Tryptophan | 1966 |
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 |
[On directed incorporation of biopterin into the organism. I. Histoautoradiographic studiesin the honey bee (Apis mellifica)].
Topics: Animals; Autoradiography; Bees; Carbon Isotopes; Eye; Female; Ganglia; Metamorphosis, Biological; Mixed Function Oxygenases; Ovary; Phenylalanine; Pterins; Tryptophan; Wings, Animal | 1968 |
Amino acids and cerebral excitability.
Topics: Amino Acids; Ammonia; Animals; Brain; Central Nervous System Stimulants; Diet; Glutamates; Glutamine; Glycine; Leucine; Lysine; Male; Methionine; Phenylalanine; Rats; Seizures; Serine; Stimulation, Chemical; Time Factors; Tryptophan; Valine | 1969 |
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 |
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 |
The effects of drugs on barbiturate withdrawal convulsions in the rat.
Topics: Animals; Barbiturates; Chlordiazepoxide; Chlorpromazine; Ethanol; Ethosuximide; Female; Humans; Hydrazines; Hypnotics and Sedatives; Meprobamate; Methyltyrosines; Monoamine Oxidase Inhibitors; Morphine; Phenylalanine; Primidone; Rats; Reserpine; Seizures; Serotonin; Substance Withdrawal Syndrome; Tryptophan | 1970 |
The displacement of L-tryptophan and dipeptides from bovine albumin in vitro and from human plasma in vivo by antirheumatic drugs.
Topics: Animals; Anti-Inflammatory Agents; Arthritis, Rheumatoid; Blood Proteins; Cattle; Chloroquine; Dipeptides; Gold; Humans; Indomethacin; Phenylalanine; Phenylbutazone; Prednisolone; Protein Binding; Salicylates; Serum Albumin, Bovine; Tryptophan | 1971 |
The relation between clinical anti-inflammatory activity and the displacement of L-tryptophan and a dipeptide from human serum in vitro.
Topics: Anti-Inflammatory Agents; Arthritis, Rheumatoid; Dipeptides; Humans; Phenylalanine; Protein Binding; Tryptophan | 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 |
[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 |
Occurrence of phenylalanine hydroxylation in the pineal gland in vivo: possible role of tyrosine and tryptophan hydroxylases.
Topics: Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Fenclonine; Hydroxylation; Mixed Function Oxygenases; Phenylalanine; Pineal Gland; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine 3-Monooxygenase | 1971 |
Transamination of aromatic amino acids in rat liver and brain.
Topics: Amino Acids; Animals; Brain; Chromatography, Gel; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Enzyme Activation; Hydrazines; Hydrogen-Ion Concentration; Kinetics; Liver; Male; Mitochondria, Liver; Phenylalanine; Protein Binding; Pyridoxal Phosphate; Pyridoxine; Rats; Spectrophotometry; Subcellular Fractions; Transaminases; Tryptophan; Tyrosine Transaminase; Ultraviolet Rays | 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 |
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 |
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 |
Kinetic properties of pyruvate kinases from turtle liver and heart.
Topics: Alanine; Allosteric Regulation; Animals; Binding Sites; Citrates; Cysteine; Enzyme Activation; Fructosephosphates; Hexosediphosphates; Hydrogen-Ion Concentration; Isoleucine; Ketoglutaric Acids; Kinetics; Liver; Magnesium; Methionine; Myocardium; Organ Specificity; Phenylalanine; Phosphoenolpyruvate; Protein Binding; Pyruvate Kinase; Serine; Succinates; Tryptophan; Turtles; Valine | 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 |
Gas chromatography-mass spectrometry of catecholamines and tryptamines: determination of gas chromatographic profiles of the amines, their precursors and their metabolites.
Topics: Catecholamines; Chromatography, Gas; Fluorine; Indoles; Kinetics; Mass Spectrometry; Methods; Microchemistry; Phenylalanine; Propionates; Tryptamines; Tryptophan | 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 novel 123I-labeling reagent. XIII. Synthesis and loading-dose effects of 123I-iodophenylalanine and 123I-5- and6-iodotryptophan.
Topics: Animals; Intestinal Mucosa; Iodine Radioisotopes; Isotope Labeling; Kidney; Liver; Mice; Pancreas; Phenylalanine; Radionuclide Imaging; Tryptophan | 1974 |
A new approach to the study of the contribution of peptide carriers to antitumour activity: binding of the peptide moiety to human serum albumin.
Topics: Antineoplastic Agents; Binding Sites; Cellulose; Dialysis; Dipeptides; Electrophoresis; Freeze Drying; Humans; Hydrogen-Ion Concentration; Kinetics; Molecular Weight; Phenylalanine; Protein Binding; Serum Albumin; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Tryptophan | 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 |
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 |
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 |
Intestinal absorption of some heterocyclic and aromatic amino acids from the ageing gut.
Topics: Aging; Animals; Biological Transport; Carbon Radioisotopes; Female; Intestinal Absorption; Intestine, Small; Kinetics; Liver; Organ Size; Phenylalanine; Proline; Rats; Tryptophan | 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 |
Regulation of prephenate dehydratase in Brevibacterium flavum.
Topics: Brevibacterium; Enzyme Activation; Hydro-Lyases; Hydrogen-Ion Concentration; Molecular Weight; Phenylalanine; Tryptophan; Tyrosine | 1974 |
Proceedings: New aspects of tryptophan metabolism in untreated phenylketonuria and the urinary indole excretion in relation to phenylalanine content of semi-synthetic diets.
Topics: Diet; Humans; Indoles; Phenylalanine; Phenylketonurias; Tryptophan | 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 |
[Distribution of antienoplastic amino acid-related compounds in mice--study by whole body autoradiography of the frozen material].
Topics: Animals; Autoradiography; Bile; Carcinoma, Ehrlich Tumor; Cyclophosphamide; Female; Fluorenes; Freezing; Isoleucine; Kidney; Liver; Lung; Male; Mice; Neoplasm Transplantation; Ovary; Phenylalanine; Salivary Glands; Sarcoma 180; Sarcoma, Experimental; Skin; Spleen; Tryptophan; Urinary Bladder; Uterus; Valine | 1974 |
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 |
Atypical pattern of utilization of amino acids for mitochondrial protein synthesis in HeLa cells.
Topics: Amino Acids; Arginine; Chloramphenicol; Cycloheximide; Cysteine; Cystine; Electrophoresis, Polyacrylamide Gel; Emetine; Endoplasmic Reticulum; Female; Glutamine; HeLa Cells; Humans; Leucine; Lysine; Methionine; Mitochondria; Neoplasm Proteins; Phenylalanine; Polyribosomes; Serine; Threonine; Tritium; Tryptophan | 1973 |
Intestinal absorption of stereoisomers of dipeptides in the rat.
Topics: Alanine; Aldehydes; Animals; Biological Transport; Diffusion; Dipeptides; Glycine; Hydrolysis; Ileum; Indoleacetic Acids; Indoles; Intestinal Absorption; Intestinal Mucosa; Jejunum; Leucine; Liver; Male; Molecular Weight; Peptide Hydrolases; Phenylalanine; Rats; Stereoisomerism; Tryptophan | 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 |
Amino acid induced changes of puffing patterns in Chironomus salivary gland chromosomes.
Topics: Amino Acids; Animals; Chromosome Aberrations; Chromosomes; Deoxyadenosines; Dinitrophenols; Diptera; DNA; Larva; Metamorphosis, Biological; Phenylalanine; Salivary Glands; Tritium; Tryptophan; Uridine | 1973 |
In vitro experiments on the metabolism, accumulation and release of 5-HT in the nervous system of the snail Helix pomatia.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Biological Transport, Active; Calcium; Carbon Radioisotopes; Chromatography, Thin Layer; Desipramine; Electric Stimulation; Ganglia; Hydroxyindoleacetic Acid; Imipramine; In Vitro Techniques; Isotope Labeling; Magnesium; Nerve Tissue; Ouabain; Phenylalanine; Serotonin; Snails; Sorbitol; Structure-Activity Relationship; Temperature; Time Factors; Tritium; Tryptophan | 1974 |
Radiometric assay of total tryptophan hydroxylation by intact cultured pineal glands.
Topics: 5-Hydroxytryptophan; Animals; Chromatography, Ion Exchange; Cycloheximide; Evaluation Studies as Topic; Female; Isoproterenol; Kinetics; Male; Melatonin; Mescaline; Methods; Mixed Function Oxygenases; Organ Culture Techniques; Phenylalanine; Pineal Gland; Probenecid; Rats; Serotonin; Species Specificity; Time Factors; Tritium; Tryptophan; Tryptophan Hydroxylase | 1974 |
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 |
Intestinal absorption of aromatic amino acids in senescence.
Topics: Aging; Amino Acids; Animals; Indicator Dilution Techniques; Intestinal Absorption; Phenylalanine; Protein-Losing Enteropathies; Rats; Tryptophan | 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 |
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 |
Involvement of a tryptophan residue in the assembly of bacteriophages 80 and lambda.
Topics: Binding Sites; Coliphages; DNA Viruses; Escherichia coli; Hydrogen-Ion Concentration; Lysogeny; Magnesium; Mutation; Phenylalanine; Propionates; Stereoisomerism; Surface-Active Agents; Thymidine; Tritium; Tryptamines; Tryptophan; Viral Proteins | 1973 |
The rennin catalyzed hydrolysis of a tripeptide. Evidence for catalysis by two carboxyl groups.
Topics: Amino Acids; Animals; Benzyl Compounds; Cattle; Chromatography, Gel; Chymosin; Drug Stability; Histidine; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Milk; Oligopeptides; Phenylalanine; Time Factors; Tryptophan | 1972 |
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 |
Effect of electron donors and acceptors on alcohol dehydrogenase activity during the growth of Escherichia coli.
Topics: Alcohol Oxidoreductases; Aniline Compounds; Ascorbic Acid; Catechols; Colorimetry; Culture Media; Cytosine; Escherichia coli; Glutathione; Histidine; Iodates; Iodine; Nitrates; Oxidation-Reduction; Phenylalanine; Potassium Permanganate; Sulfides; Sulfites; Thymine; Time Factors; Tryptophan | 1973 |
Ribonucleoside phosphates via phosphorimidazolidate intermediates. Synthesis of pseudoadenosine 5'-triphosphate.
Topics: Adenine Nucleotides; Amino Acyl-tRNA Synthetases; Carbon Radioisotopes; Chromatography, DEAE-Cellulose; Escherichia coli; Evaluation Studies as Topic; Glucosephosphate Dehydrogenase; Hexokinase; Imidazoles; Kinetics; Methods; Mutation; Phenylalanine; Phosphates; RNA, Bacterial; RNA, Transfer; Spectrophotometry; Spectrophotometry, Ultraviolet; Tritium; Tryptophan | 1973 |
Protein metabolism in renal failure.
Topics: Amino Acids, Essential; Ammonia; Arginine; Blood Urea Nitrogen; Diet; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Eggs; Hemoglobins; Histidine; Humans; Intestinal Absorption; Kidney Failure, Chronic; Kidney Transplantation; Nitrogen Isotopes; Nutritional Requirements; Phenylalanine; Renal Dialysis; Transplantation, Homologous; Tryptophan; Urea; Valine | 1973 |
On the specificity of interactions between transfer ribonucleic acids and aminoacyl-tRNA synthetases.
Topics: Amino Acyl-tRNA Synthetases; Binding Sites; Buffers; Hydrogen-Ion Concentration; Magnesium; Phenylalanine; Phosphates; Potassium; RNA, Transfer; Saccharomyces cerevisiae; Serine; Spectrometry, Fluorescence; Spectrum Analysis; Tryptophan | 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 |
Causes of the inhibition of growth of Escherichia coli K12 by chlorate.
Topics: Aerobiosis; Chlorates; Drug Resistance, Microbial; Escherichia coli; Formates; Methionine; Molybdenum; Mutation; Nitrate Reductases; Nitrates; Phenylalanine; Serine; Shikimic Acid; Stereoisomerism; Trypsin; Tryptophan | 1974 |
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 |
Investigation of the role of tryptophan in the luteinizing hormone-releasing hormone.
Topics: Amino Acids; Amino Acids, Diamino; Animals; Biological Assay; Castration; Dose-Response Relationship, Drug; Electron Transport; Female; Fluorine; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Histidine; Luteinizing Hormone; Male; Nitro Compounds; Phenylalanine; Rats; Sex Factors; Structure-Activity Relationship; Tryptophan | 1974 |
Assay for AA-tRNA recognition by the EFTu-GTP complex of Escherichia coli.
Topics: Amino Acids; Arginine; Binding Sites; Binding, Competitive; Escherichia coli; Evaluation Studies as Topic; Fluorouracil; Guanosine Triphosphate; Kinetics; Methionine; Methods; Peptide Elongation Factors; Phenylalanine; Protein Binding; RNA, Bacterial; RNA, Transfer; Time Factors; Tryptophan; Valine | 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 |
Equilibrium analysis of L-Phe-tRNA Phe complexes with L-phenylalanyl transfer ribonucleic acid synthetase of Escherichia coli K 10.
Topics: Allosteric Regulation; Amino Acyl-tRNA Synthetases; Binding Sites; Carbon Radioisotopes; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Escherichia coli; Kinetics; Naphthalenesulfonates; Phenylalanine; Protein Binding; Protein Conformation; RNA, Transfer; Spectrometry, Fluorescence; Time Factors; Tryptophan | 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 |
Hyperalimentation in cirrhotic patients.
Topics: Acid-Base Equilibrium; Acidosis; Alanine Transaminase; Alkaline Phosphatase; Amino Acids; Ammonia; Arginine; Carbon Dioxide; Caseins; Catheterization; Cysteine; Diet Therapy; Fibrin; Glutamine; Glycine; Histidine; Humans; Isoleucine; Leucine; Liver; Liver Cirrhosis; Lysine; Methionine; Parenteral Nutrition; Phenylalanine; Potassium; Sodium; Threonine; Tryptophan | 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 |
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 |
Content in cell cultures of complement esterase and two further esterases mainly hydrolysing ethyl esters of acetyl-L-phenylalanine and acetyl-L-tryptophan, respectively.
Topics: Animals; Cell Line; Cells, Cultured; Complement System Proteins; Cornea; Culture Media; Cycloheximide; Epithelium; Esterases; Esters; Female; Haplorhini; HeLa Cells; Humans; Hydrolysis; Kidney; Lung; Phenylalanine; Proteins; Rabbits; Skin; Temperature; Tryptophan; Ultrasonics; Uterine Cervical Neoplasms | 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 |
Differential amino acid requirements for sporulation in Bacillus subtilis.
Topics: Amino Acids; Bacillus subtilis; Bacterial Proteins; Carbon Isotopes; Cell Fractionation; Chloramphenicol; Chromatography, Thin Layer; Culture Media; Electrophoresis, Polyacrylamide Gel; Genetics, Microbial; Isoleucine; Leucine; Lysine; Methionine; Mutation; Oxygen Consumption; Phenylalanine; Spores; Spores, Bacterial; Threonine; Tritium; Tryptophan | 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 |
[Amino acids in parenteral feeding].
Topics: Alanine; Amino Acids; Arginine; Histidine; Homeostasis; Humans; Isoleucine; Leucine; Lysine; Male; Methionine; Nutrition Disorders; Parenteral Nutrition; Phenylalanine; Proline; Protein Conformation; Protein-Energy Malnutrition; Proteins; Threonine; Tryptophan; Valine | 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 |
Effects of the administration of single amino acids on ribosome aggregation in rat liver.
Topics: Amino Acids; Animals; Enteral Nutrition; Female; Liver; Methionine; Phenylalanine; Rats; Ribosomes; Threonine; Tryptophan | 1973 |
Biosynthesis of tropic acid in Datura innoxia root tissue.
Topics: Atropa belladonna; Carbon Isotopes; Chromatography, Thin Layer; Datura stramonium; Formates; Hydrolysis; Indoles; Phenylacetates; Phenylalanine; Plants, Medicinal; Plants, Toxic; Scopolamine; Serine; Tropanes; Tryptophan | 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 |
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 |
Amino acid metabolism in chameleon liver.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Carbon Isotopes; Citrulline; Female; Glutamates; Glutamine; Glycine; Histidine; Keto Acids; Liver; Lizards; Lysine; Male; Methionine; Ornithine; Phenylalanine; Pyruvates; Serine; Threonine; Tryptophan | 1972 |
Sequence of limiting amino acids in gelatin for the growing chick.
Topics: Amino Acids; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Arginine; Body Weight; Chickens; Female; Gelatin; Glycine; Histidine; Isoleucine; Lysine; Male; Nutritional Requirements; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Valine | 1972 |
[Stability of amino acid infusion solutions. 1. Stability of some amino acids in solutions].
Topics: Amino Acids; Ammonia; Arginine; Chromatography, Paper; Drug Stability; Glycine; Histidine; Hydrogen-Ion Concentration; Injections, Intravenous; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Photometry; Solutions; Sorbitol; Spectrophotometry, Ultraviolet; Sterilization; Threonine; Tryptophan; Valine | 1972 |
Studies on hormonal induction of alkaline phosphatase in HeLa cell cultures. Kinetic, thermodynamic and electrophoretic properties of induced and base-level enzymes.
Topics: Alkaline Phosphatase; Cells, Cultured; Chromatography, Gel; Clone Cells; Electrophoresis, Starch Gel; Enzyme Induction; HeLa Cells; Humans; Hydrocortisone; Hydrogen-Ion Concentration; Isoenzymes; Kinetics; Mathematics; Molecular Weight; Phenylalanine; Placenta; Thermodynamics; Tryptophan | 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 |
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 |
[Proceedings: Tryptophan metabolism in untreated phenylketonuria and in vitamin B6 dependent cramps].
Topics: 3-Hydroxyanthranilic Acid; Adolescent; Adult; Carboxylic Acids; Child; Child, Preschool; Humans; Hydroxyquinolines; Intellectual Disability; Kynurenic Acid; Kynurenine; Muscle Cramp; Nicotinic Acids; Phenylalanine; Phenylketonurias; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates | 1972 |
18 F labelled amino acids for pancreas scanning.
Topics: Amino Acids; Animals; Fluorine; Humans; Pancreas; Phenylalanine; Radioisotopes; Radionuclide Imaging; Rats; Tryptophan | 1973 |
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 |
Food intake regulation: amino acid toxicity and changes in rat brain and plasma amino acids.
Topics: Amino Acids; Animal Nutritional Physiological Phenomena; Animals; Blood-Brain Barrier; Body Weight; Brain; Caseins; Diet; Dietary Proteins; Glutamates; Histidine; Hydrogen-Ion Concentration; Leucine; Lysine; Male; Metabolism; Methionine; Phenylalanine; Rats; Threonine; Tryptophan | 1973 |
[Clinical test of the adapted infant's rady-to-eat lactic food Pre-Aptamil].
Topics: Apgar Score; Ascorbic Acid; Birth Weight; Body Weight; Diet Therapy; Female; Food Preservation; Histidine; Humans; Infant Food; Infant Nutritional Physiological Phenomena; Infant, Newborn; Infant, Newborn, Diseases; Infant, Premature; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Threonine; Tryptophan; Valine | 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 |
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 |
Release of cholecystokinin by amino acids.
Topics: Alanine; Amino Acids; Animals; Aspartic Acid; Bicarbonates; Cholecystokinin; Cysteine; Dogs; Drug Synergism; Duodenum; Glutamates; Glycine; Intestinal Mucosa; Pancreas; Pancreatic Juice; Perfusion; Phenylalanine; Secretin; Threonine; Tryptophan | 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 |
Exchange transport between various amino acids and alanine in isolated intestinal epithelial cells.
Topics: Alanine; Amino Acids; Animals; Arginine; Biological Transport; Carbon Isotopes; Epithelial Cells; Epithelium; Histidine; Intestinal Mucosa; Intestines; Isoleucine; Leucine; Lysine; Male; Ornithine; Phenylalanine; Rats; Sodium; Threonine; Time Factors; Tryptophan; Valine | 1973 |
Essential amino acid levels for starting turkey poults.
Topics: Amino Acids; Animal Feed; Animals; Body Weight; Cystine; Diet; Female; Histidine; Isoleucine; Leucine; Lysine; Male; Methionine; Nutritional Requirements; Phenylalanine; Threonine; Tryptophan; Turkeys; Valine | 1973 |
Analysis of a crystalline mutarotase from bovine kidney cortex.
Topics: Acetylation; Amino Acids; Animals; Binding Sites; Carbohydrate Epimerases; Cattle; Chromatography, Gel; Crystallization; Cysteine; Glycine; Kidney; Kidney Cortex; Kinetics; Methionine; Optical Rotation; Oxidation-Reduction; Peptides; Phenylalanine; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Sulfhydryl Compounds; Tryptophan; Valine | 1973 |
Effects of L-tryptophan on motor activity in mice.
Topics: Allopurinol; Animals; Brain; Carboxy-Lyases; Chlorine; Drug Synergism; Hydroxyindoleacetic Acid; Male; Mice; Motor Activity; Phenylalanine; Propionates; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tryptophan Oxygenase | 1973 |
Factors affecting substrate cooperativity of rat liver tryptophan hydroxylase.
Topics: 1-Propanol; Allosteric Regulation; Animals; Autoanalysis; Aza Compounds; Binding Sites; Fluorides; Kinetics; Liver; Male; Mixed Function Oxygenases; Phenylalanine; Protein Binding; Protein Conformation; Rats; Temperature; Tryptophan; Tryptophan Hydroxylase | 1973 |
[Amino acid absorption in the aged].
Topics: Age Factors; Aging; Amino Acids; Animals; Carbohydrate Metabolism; Female; Intestinal Absorption; Phenylalanine; Rats; Tryptophan; Vitamins | 1973 |
Radiation-induced binding of phenylalanine tryptophan and histidine mutually and with albumin.
Topics: Carbon Isotopes; Chromatography, Paper; Cobalt Isotopes; Dose-Response Relationship, Radiation; Free Radicals; Histidine; Phenylalanine; Protein Binding; Radiochemistry; Serum Albumin; Solutions; Tritium; Tryptophan; Water | 1973 |
Neoaplectana glaseri: essential amino acids.
Topics: Amino Acids; Animals; Arginine; Coleoptera; Culture Media; Histidine; Isoleucine; Leucine; Lysine; Methionine; Methods; Nematoda; Phenylalanine; Threonine; Tryptophan; Valine | 1973 |
Inhibition of amino acid transport in rabbit intestine by p-chloromercuriphenyl sulfonic acid.
Topics: Amino Acids; Animals; Biological Transport; Dithiothreitol; In Vitro Techniques; Intestinal Mucosa; Intestine, Small; Intestines; Kinetics; Mercury; Methionine; Norleucine; Organometallic Compounds; Phenylalanine; Rabbits; Sodium; Sulfhydryl Reagents; Sulfonic Acids; Tryptophan | 1973 |
Biosynthesis of ergotamine by Claviceps purpurea (Fr.) Tul.
Topics: Acetates; Alanine; Amino Acids; Carbon Isotopes; Cells, Cultured; Chromatography, Ion Exchange; Chromatography, Thin Layer; Culture Media; Electrophoresis, Paper; Ergotamine; Formates; Hydrogen-Ion Concentration; Isomerism; Methionine; Mevalonic Acid; Phenylalanine; Plants; Proline; Spectrophotometry, Ultraviolet; Tryptophan | 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 |
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 |
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 |
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 |
Sarcosine and imino acid uptake in Saccharomyces chevalieri. Derepression by nitrogen starvation.
Topics: Acridines; Aerobiosis; Anaerobiosis; Azetines; Biological Transport; Carbon Radioisotopes; Cycloheximide; Diamines; Fungal Proteins; Hydroxyproline; Imino Acids; Isoleucine; Leucine; Nitrogen; Phenylalanine; Proline; RNA, Messenger; Saccharomyces; Sarcosine; Time Factors; Tritium; Tryptophan | 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 |
Effect of diversion and replacement of bile on pancreatic secretion.
Topics: Animals; Bicarbonates; Bile; Biliary Fistula; Ceruletide; Dogs; Dose-Response Relationship, Drug; Duodenum; Gastric Fistula; Hydrogen-Ion Concentration; Ileum; Jejunum; Liver; Meat; Pancreas; Pancreatic Fistula; Pancreatic Juice; Phenylalanine; Secretin; Secretory Rate; Taurocholic Acid; Tryptophan | 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 |
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 |
[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 |
Examination of dipeptides, amino-acids and substituted amino-acids for anti-inflammatory activity in carrageenan oedema.
Topics: Administration, Oral; Amino Acids; Animals; Carrageenan; Dipeptides; Edema; Female; Guanidines; Injections, Intravenous; Male; Molecular Weight; Phenylalanine; Rats; Tryptophan | 1973 |
[Biochemical study of a schizophreniac].
Topics: Adult; Cysteine; Humans; Male; Methylation; Monoamine Oxidase Inhibitors; Phenylalanine; Schizophrenia; Transferases; Tryptophan | 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 |
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 |
["Pools" of essential amino acids in the tissues of lysine-deficient adult rats].
Topics: Amino Acids; Animals; Arginine; Deficiency Diseases; Digestive System; Histidine; Humans; Isoleucine; Liver; Lysine; Male; Methionine; Phenylalanine; Rats; Threonine; Tryptophan; Valine | 1973 |
[Investigations on the behaviour of tryptophan in children with phenylketonuria (author's transl)].
Topics: Administration, Oral; Adolescent; Age Factors; Child; Child, Preschool; Chromatography, Paper; Diet Therapy; Humans; Infant; Intestinal Absorption; Phenylalanine; Phenylketonurias; Tryptophan | 1973 |
Biosynthesis of auxins in tomato shoots.
Topics: Carbon Radioisotopes; Carboxy-Lyases; Centrifugation; Chemical Precipitation; Chromatography, Gel; Chromatography, Paper; Dialysis; Dinitrophenols; Dopa Decarboxylase; Hydrazines; Hydrogen-Ion Concentration; Indoleacetic Acids; Indoles; Kinetics; Phenylacetates; Phenylalanine; Plant Growth Regulators; Plants; Pyruvates; Spectrophotometry, Infrared; Transaminases; Tryptamines; Tryptophan | 1973 |
Effect of intraperitoneal amino acids on nitrogen balance and plasma amino acids in calves.
Topics: Amino Acids; Animals; Arginine; Cattle; Feces; Glycine; Histidine; Injections, Intraperitoneal; Isoleucine; Lysine; Male; Methionine; Nitrogen; Phenylalanine; Threonine; Tryptophan; Valine | 1974 |
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 |
Substrate specificity of aromatic-L-amino adid decarboxylase.
Topics: Animals; Chromatography, Thin Layer; Dopa Decarboxylase; Guinea Pigs; Indoles; Kidney; Kinetics; Liver; Male; Organ Specificity; Phenylalanine; Rats; Species Specificity; Structure-Activity Relationship; Swine; Thiophenes; Tritium; Tryptophan | 1974 |
Inhibition of alpha-chymotrypsin by hydroxymethyl analogues of D-and L-N-acetylphenylalanine and N-acetyltryptophan of potential affinity labeling value.
Topics: Acetates; Binding Sites; Binding, Competitive; Chromatography, Paper; Chymotrypsin; Deuterium; Isomerism; Kinetics; Magnetic Resonance Spectroscopy; Mass Spectrometry; Methanol; Optical Rotation; Phenylalanine; Protein Binding; Spectrophotometry, Infrared; Structure-Activity Relationship; Tryptophan | 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 |
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 |
Amino acid uptake into human brain tumors.
Topics: Absorption; Alanine; Amino Acids; Aminobutyrates; Aspartic Acid; Astrocytoma; Autoradiography; Brain Neoplasms; Chloromercuribenzoates; Culture Techniques; Cyanides; Ependymoma; Glutamates; Glycine; Humans; Lysine; Ouabain; Phenylalanine; Taurine; Time Factors; Tritium; Tryptophan; Valine | 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 |
Dietary amino acids: effect of depletion and recovery on protein synthesis in vitro in rat skeletal muscle and liver.
Topics: Amino Acids; Animals; Carbon Radioisotopes; Caseins; Diet; In Vitro Techniques; Liver; Lysine; Methionine; Muscles; Organ Size; Phenylalanine; Protein Biosynthesis; Rats; Ribosomes; RNA, Ribosomal; Tryptophan | 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 |
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 |
sRNA specificity for codon recognition as studied by the ribosomal binding technique.
Topics: Alanine; Arginine; Chromatography; Countercurrent Distribution; Escherichia coli; Genetic Code; Glycine; Isoleucine; Leucine; Methionine; Phenylalanine; Polynucleotides; Ribosomes; RNA, Transfer; Serine; Tryptophan; Valine; Yeasts | 1966 |
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 |
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 |
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 |
Changes in ultraviolet absorption produced by alteration of protein conformation.
Topics: Amides; Amino Acids; Chemical Phenomena; Chemistry; Cystine; Fructose-Bisphosphate Aldolase; Glycols; Histidine; Hydrogen-Ion Concentration; Indoles; Mucoproteins; Muscles; Pepsin A; Phenols; Phenylalanine; Protein Denaturation; Proteins; Spectrum Analysis; Tryptophan; Ultraviolet Rays; Urea; Water | 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 |
Depolarization of the intrinsic and extrinsic fluorescence of pepsinogen and pepsin.
Topics: Binding Sites; Electrochemistry; Enzyme Precursors; Fluorescence; Glycerol; Naphthalenes; Pepsin A; Phenylalanine; Potassium Iodide; Spectrophotometry; Sulfonic Acids; Temperature; Tryptophan; Viscosity | 1970 |
[Demonstration of indole and phenylalanindesaminase and utilization of malonate in a polytropic medium].
Topics: Bacteriological Techniques; Culture Media; Enterobacteriaceae; Filtration; Indicators and Reagents; Indoles; Malonates; Methods; Mixed Function Oxygenases; Paper; Phenylalanine; Tryptophan | 1968 |
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 |
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 elevated temperature on extended enzyme synthesis induced by bacteriophage T4 amber mutants unable to synthesize deoxyribonucleic acid.
Topics: Bacterial Proteins; Carbon Isotopes; Cell-Free System; Centrifugation, Density Gradient; Chloramphenicol; Coliphages; Culture Media; DNA Nucleotidyltransferases; DNA, Viral; Escherichia coli; Freezing; Genetics, Microbial; Leucine; Mutation; Phenylalanine; Pyrophosphatases; Ribosomes; RNA, Bacterial; Spectrophotometry; Sucrose; Temperature; Transferases; Tryptophan; Uracil; Vibration | 1971 |
[Metabolic products of microorganisms. 90. Studies on the formation of tryptophan by Escherichia coli K 12].
Topics: Biotin; Cell Membrane Permeability; Detergents; Escherichia coli; Feedback; Genetics, Microbial; Indoles; Molecular Biology; Mutation; Operon; ortho-Aminobenzoates; Penicillins; Phenylalanine; Serine; Tryptophan | 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 |
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 |
Inhibition of protein synthesis in Escherichia coli and L5178Y mouse leukemic cells by phenylalanine and tryptophan.
Topics: Animals; Bacterial Proteins; Cell Line; Culture Techniques; DNA; Escherichia coli; Glucosamine; Glycoproteins; Leucine; Leukemia, Experimental; Lipopolysaccharides; Mice; Phenylalanine; Protein Biosynthesis; RNA; RNA, Transfer; Thymidine; Tritium; Tryptophan; Uridine | 1971 |
The role of macromolecular syntheses in the origin of ultraviolet-induced mutations in the yeast Saccharomyces cerevisiae.
Topics: Adenine; Canavanine; Carbon Radioisotopes; Cycloheximide; Diploidy; DNA; Dose-Response Relationship, Radiation; Fluorides; Fungal Proteins; Kinetics; Leucine; Mutation; Phenylalanine; Radiation Genetics; RNA; Saccharomyces cerevisiae; Time Factors; Tryptophan; Ultraviolet Rays | 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 |
Tryptophan- and indole-excreting prototrophic mutant of Escherichia coli.
Topics: Carbonic Anhydrases; Enzyme Repression; Escherichia coli; Indoles; Ligases; Mutagens; Mutation; Phenylalanine; Tryptophan; Tyrosine | 1964 |
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 |
Genetic mapping in Bacillus subtilis.
Topics: Arginine; Bacillus subtilis; Bacteriophages; Centrifugation, Density Gradient; Chromosome Mapping; DNA, Bacterial; Histidine; Leucine; Molecular Biology; Nicotinic Acids; Phenylalanine; Tryptophan | 1967 |
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 |
Itoic acid synthesis in Bacillus subtilis.
Topics: Bacillus subtilis; Benzoates; Carbon Isotopes; Glycine; Iron; ortho-Aminobenzoates; Phenylalanine; Tryptophan; Tyrosine | 1968 |
Sleep patterns of the monkey and brain serotonin concentration: effect of p-chlorophenylalanine.
Topics: Animals; Brain; Brain Stem; Cerebellum; Cerebral Cortex; Electroencephalography; Eye Movements; Haplorhini; Hippocampus; Hypothalamus; Mesencephalon; Mixed Function Oxygenases; Phenylalanine; Serotonin; Sleep; Thalamus; Time Factors; Tryptophan | 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 |
[Incorporation of tritiated amino acids, by the acinous cells of the pancreas, observed in the light and electron microscope, before and after mitosis in the young rat].
Topics: Amino Acids; Animals; Animals, Newborn; Autoradiography; Endoplasmic Reticulum; Leucine; Microscopy, Electron; Mitosis; Pancreas; Phenylalanine; Thymidine; Tritium; Tryptophan | 1968 |
The pharmacology of para-chlorophenylalanine, a selective depletor of serotonin stores.
Topics: Animals; Behavior, Animal; Body Temperature; Brain; Dogs; Haplorhini; Humans; Liver; Male; Mixed Function Oxygenases; Norepinephrine; Pargyline; Phenylalanine; Phenylketonurias; Rats; Serotonin; Sleep; Spleen; Tryptophan | 1968 |
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 |
DNA, RNA , and protein synthesis in erythrocytic forms of Plasmodium knowlesi.
Topics: Adenine; Animals; Antimalarials; Carbon Isotopes; Culture Media; DNA; Erythrocytes; Glycine; Haplorhini; Isoleucine; Methionine; Orotic Acid; Phenylalanine; Plasmodium; Protein Biosynthesis; RNA; Sulfur Isotopes; Thymidine; Tritium; Tryptophan; Uracil; Uridine | 1968 |
Catabolite repression and feedback inhibition of protease in Streptococcus faecalis var. liquefaciens.
Topics: Amino Acids; Dipeptides; Enterococcus faecalis; Enzyme Repression; Feedback; Galactosidases; Isoleucine; Leucine; Peptide Hydrolases; Peptides; Phenylalanine; Proline; Tryptophan; Valine | 1968 |
Amino acid transport in Neurospora crassa. I. Properties of two amino acid transport systems.
Topics: Amine Oxidase (Copper-Containing); Amino Acids; Arginine; Biological Transport, Active; Carbon Isotopes; Depression, Chemical; Genetics, Microbial; Hydrogen-Ion Concentration; Kinetics; Leucine; Mutation; Neurospora; Phenylalanine; Stereoisomerism; Time Factors; Tritium; Tryptophan | 1969 |
[Biosynthesis of cerebral serotonin: neurophysiologic and biochemical study after p-chlorophenylalanine and destruction of Raphé's system].
Topics: Animals; Brain; Brain Stem; Cats; Central Nervous System; Cerebral Cortex; Humans; Phenylalanine; Serotonin; Sleep Initiation and Maintenance Disorders; Tritium; Tryptophan; Tryptophan Oxygenase | 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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
Optical activity and solvent perturbation of fumarase.
Topics: Adipates; Animals; Circular Dichroism; Deuterium; Fumarates; Glutarates; Glycerol; Hydro-Lyases; Malonates; Myocardium; Optical Rotatory Dispersion; Osmolar Concentration; Phenylalanine; Protein Conformation; Spectrophotometry; Succinates; Swine; Tryptophan; 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 |
Isolation and partial characterization of a tryptophan-insulin complex.
Topics: Binding Sites; Carbon Isotopes; Chromatography; Chromatography, Paper; Dialysis; Insulin; Iodine Isotopes; Methods; Phenylalanine; Protein Binding; Ribonucleases; Tritium; Trypsin; Tryptophan | 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 |
Metabolism of aromatic acids in plant organelles.
Topics: Cinnamates; Hydroxylation; Magnoliopsida; Organoids; Phenylalanine; Plant Cells; Plants; Plants, Toxic; Ricinus; Tryptophan; Tyrosine | 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 |
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 |
A basis for the difference in the inhibition of the uptake of various neutral amino acids by lysine in intestinal epithelial cells.
Topics: Alanine; Amino Acids; Animals; Biological Transport; Carbon Isotopes; Epithelial Cells; Epithelium; Histidine; Intestinal Mucosa; Intestines; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Proline; Rats; Sodium; Threonine; Tryptophan; Valine | 1972 |
Distance measurements at the active site of carboxypeptidase A during catalysis.
Topics: Binding Sites; Cadmium; Carboxypeptidases; Catalysis; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Cobalt; Cyclohexanes; Dansyl Compounds; Energy Transfer; Glycine; Imines; Kinetics; Manganese; Mathematics; Peptides; Phenylalanine; Spectrometry, Fluorescence; Succinimides; Tryptophan; Zinc | 1972 |
Studies on the biosynthesis of antimycin A. I. Incorporation of 14 C-labeled metabolites into the 3-formamidosalicyl moiety.
Topics: Benzoates; Carbon Isotopes; Chemical Phenomena; Chemistry; Glucose; Phenylalanine; Shikimic Acid; Streptomyces; Tryptophan | 1972 |
A comparison of the utilization of methyl and p-nitrophenyl esters in determining the specificity of -chymotrypsin.
Topics: Acetates; Alanine; Catalysis; Chymotrypsin; Glycine; Hydrolysis; Kinetics; Leucine; Methanol; Nitrophenols; Phenylalanine; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Valine | 1972 |
The effect of maternal amino acid imbalance on fetal cerebral polyribosomes.
Topics: Animals; Carbon Isotopes; Cell-Free System; Centrifugation, Density Gradient; Cerebral Cortex; Female; Fetus; Isotonic Solutions; Leucine; Maternal-Fetal Exchange; Microscopy, Electron; Microsomes; Phenylalanine; Pregnancy; Protein Biosynthesis; Rats; Ribonucleases; Ribosomes; Tryptophan | 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 |
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 |
Reactivation of des (119-124) ribonuclease A by mixture with synthetic COOH-terminal peptides; the role of phenylalanine-120.
Topics: Amino Acid Sequence; Animals; Carboxylic Acids; Cattle; Electrophoresis, Paper; Enzyme Activation; Histidine; Isoleucine; Isomerism; Kinetics; Leucine; Peptides; Phenylalanine; Protein Binding; Resins, Plant; Ribonucleases; Spectrophotometry; Tryptophan | 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 |
Suppression of protein turnover by amino acids in the perfused rat liver.
Topics: Amino Acids; Animals; Carbon Isotopes; Chromatography, Ion Exchange; Depression, Chemical; In Vitro Techniques; Insulin; Kinetics; Liver; Male; Methionine; Perfusion; Phenylalanine; Proline; Protein Biosynthesis; Proteins; Rats; Tryptophan; Valine | 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 |
Conformational energy calculations of enzyme-substrate interactions. II. Computation of the binding energy for substrates in the active site of -chymotrypsin.
Topics: Binding Sites; Chymotrypsin; Phenylalanine; Protein Binding; Protein Conformation; Tryptophan; X-Ray Diffraction | 1972 |
Fluorescende determination of carboxypeptidase A activity based on electronic energy transfer.
Topics: Carboxypeptidases; Dansyl Compounds; Energy Transfer; Evaluation Studies as Topic; Fluorescence; Hydrolysis; Kinetics; Methods; Phenylalanine; Piperazines; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan | 1972 |
Influx of neutral amino acids across the brush border of rabbit ileum. Stereospecificity and the roles of the -amino and -carboxylate groups.
Topics: Alanine; Amino Acids; Animals; Biological Transport; Chemical Phenomena; Chemistry; Diffusion; Female; Histidine; Ileum; Intestinal Mucosa; Kinetics; Leucine; Male; Phenylalanine; Rabbits; Serine; Sodium; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Valine | 1972 |
Antiphlogistic activity of L-phenylalanine and L-tryptophane within the mouse peritoneal cavity.
Topics: Animals; Anti-Inflammatory Agents; Eosinophils; Female; Gelatin; Injections, Intraperitoneal; Leukocytes; Lymphocytes; Mast Cells; Mice; Monocytes; Peritonitis; Phenylalanine; Tryptophan | 1972 |
[Beef brain alkaline phosphatase: role of magnesium on the action of L-phenylalanine and other amino acids].
Topics: Alanine; Alkaline Phosphatase; Amino Acids; Aminocaproates; Animals; Binding Sites; Brain; Cattle; Chemical Phenomena; Chemistry; Enzyme Activation; Female; Humans; Hydrogen-Ion Concentration; Intestines; Isoleucine; Kinetics; Leucine; Magnesium; Molecular Weight; Phenylalanine; Placenta; Pregnancy; Serine; Stereoisomerism; Tryptophan | 1971 |
Plasma amino acid patterns of growing pigs given barley diets supplemented with fish meal.
Topics: Amino Acids; Animal Feed; Animals; Arginine; Chromatography, Ion Exchange; Dietary Proteins; Edible Grain; Fish Products; Male; Methionine; Phenylalanine; Swine; Tryptophan | 1971 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
Studies on the biosynthesis of mitomycin C by Streptomyces verticillatus.
Topics: Acetamides; Acetates; Alanine; Anhydrides; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Paper; Chromatography, Thin Layer; Formates; Glucose; Glycine; Heptoses; Isoleucine; Leucine; Methionine; Mevalonic Acid; Mitomycins; Models, Biological; Models, Structural; Oxidation-Reduction; Pentosephosphates; Phenylalanine; Serine; Shikimic Acid; Sodium; Spectrophotometry; Streptomyces; Tryptophan; Valine | 1971 |
Stimulation of basic amino acid uptake by certain neutral amino acids in isolated intestinal epithelial cells.
Topics: Alanine; Animals; Arginine; Biological Transport; Biological Transport, Active; Carbon Isotopes; Depression, Chemical; Epithelial Cells; Epithelium; Glycine; Histidine; Hydrochloric Acid; Intestinal Mucosa; Intestines; Inulin; Isoleucine; Kinetics; Leucine; Lysine; Male; Mathematics; Methionine; Ornithine; Phenylalanine; Proline; Rats; Rats, Inbred Strains; Serous Membrane; Sodium; Stimulation, Chemical; Tritium; Tryptophan; Valine | 1971 |
Heterotropic co-operative effects between amino acid substrates of phenylalanine hydroxylase.
Topics: Binding Sites; Carbon Isotopes; Fluorine; Kinetics; Mixed Function Oxygenases; Models, Chemical; Phenylalanine; Phenylalanine Hydroxylase; Tryptophan | 1971 |
Inhibition of macromolecular synthesis in isolated mitochondria by phenylalanine and tryptophan.
Topics: Animals; Cerebral Cortex; DNA; Glucosamine; Glycoproteins; In Vitro Techniques; Leucine; Macromolecular Substances; Mitochondria, Liver; Phenylalanine; Protein Biosynthesis; Rats; RNA; Thymidine; Time Factors; Tritium; Tryptophan | 1971 |
[Dissociation of S- and P-variants of Bacillus brevis var. G.-B. on a synthetic medium with amino acids as the only source of nitrogen].
Topics: Alanine; Amino Acids; Aspartic Acid; Bacillus; Culture Media; Cysteine; Genetic Variation; Glycine; Histidine; Leucine; Lysine; Mutation; Nitrogen; Ornithine; Phenylalanine; Serine; Stimulation, Chemical; Threonine; Time Factors; Tryptophan; Valine | 1971 |
Kinetic properties of succinylated and ethylenediamine-amidated -chymotrypsins.
Topics: Acetates; Acrylates; Catalysis; Chemical Phenomena; Chemistry; Chymotrypsin; Chymotrypsinogen; Computers; Enzyme Activation; Ethylenediamines; Furans; Histidine; Hydrogen-Ion Concentration; Hydrolysis; Imides; Isoleucine; Kinetics; Methylamines; Phenylalanine; Protein Conformation; Succinates; Trypsin; Tryptophan | 1971 |
Effect of essential amino acids on absorption of phenylalanine by rat intestine.
Topics: Amino Acids; Animals; Autoradiography; Carbon Isotopes; Fasting; In Vitro Techniques; Injections; Intestinal Absorption; Isoleucine; Leucine; Lysine; Male; Methionine; Perfusion; Phenylalanine; Rats; Stimulation, Chemical; Stomach; Threonine; Tryptophan; Valine | 1971 |
Amino acid accumulation by brain slices: interactions among tryptophan, phenylalanine and histidine.
Topics: Animals; Autoradiography; Brain; Carbon Isotopes; Chromatography, Paper; Drug Interactions; Histidine; In Vitro Techniques; Male; Phenylalanine; Rats; Tryptophan | 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 |
Large scale preparation of rabbit liver tRNA. Isolation of tRNAs specific for methionine, phenylalanine, serine, tryptophan and valine.
Topics: Animals; Carbon Isotopes; Chromatography; Chromatography, DEAE-Cellulose; Liver; Methionine; Phenylalanine; Rabbits; RNA, Transfer; Serine; Tryptophan; Valine | 1971 |
Studies of intestinal transport defect in Hartnup disease.
Topics: Adolescent; Biological Transport; Carbon Isotopes; Child; Culture Techniques; Feces; Genes, Recessive; Hartnup Disease; Humans; Intellectual Disability; Intestinal Mucosa; Jejunum; Leucine; Lysine; Male; Methionine; Phenylalanine; Proline; Tryptophan | 1971 |
Utilization of d-isomers of the dietary indispensable amino acids by Argyrotaenia velutinana larvae.
Topics: Animals; Arginine; Diet; Female; Histidine; Insecta; Isoleucine; Isomerism; Larva; Leucine; Male; Metamorphosis, Biological; Methionine; Phenylalanine; Pupa; Threonine; Tryptophan; Valine | 1971 |
Comparison of invariant residues in the variable and constant regions of human K, human L, and mouse K Bence-Jones proteins.
Topics: Amino Acid Sequence; Animals; Bence Jones Protein; Cysteine; Glutamates; Histidine; Humans; In Vitro Techniques; Leucine; Lysine; Mice; Phenylalanine; Proline; Serine; Tryptophan; Valine | 1967 |
[Studies on the correlations between presence of free amino acids in the saliva and dental caries].
Topics: Alanine; Amino Acids; Chemistry Techniques, Analytical; Dental Caries Susceptibility; Glutamates; Glycine; Histidine; Humans; Isoleucine; Leucine; Phenylalanine; Saliva; Tryptophan | 1968 |
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 |
[Behavior of free amino acids in the blood of leukemia patients following amino acid infusion].
Topics: Adult; Aged; Amino Acids; Arginine; Female; Glycine; Histidine; Humans; Infusions, Parenteral; Isoleucine; Leucine; Leukemia; Leukemia, Lymphoid; Leukemia, Myeloid; Leukocyte Count; Lysine; Male; Methionine; Phenylalanine; Threonine; Tryptophan; 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 |
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 |
Protein consumption and intake of essential amino acids, niacin and calcium before and after wearing complete dentures.
Topics: Adult; Aged; Amino Acids; Calcium; Denture, Complete; Eating; Female; Humans; Isoleucine; Leucine; Lysine; Male; Methionine; Middle Aged; Nicotinic Acids; Nutritional Physiological Phenomena; Phenylalanine; Proteins; Threonine; Tryptophan; Valine | 1969 |
Formation of a vaccinia virus structural polypeptide from a higher molecular weight precursor: inhibition by rifampicin.
Topics: Autoradiography; Carbon Isotopes; Cycloheximide; Depression, Chemical; Electrophoresis, Disc; HeLa Cells; Molecular Weight; Peptide Biosynthesis; Peptides; Phenylalanine; Rifampin; Tryptophan; Vaccinia virus | 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 |
[Chemistry of quinoline-(3)-carbaldehyde. 2].
Topics: Aldehydes; Chemical Phenomena; Chemistry; Phenylalanine; Quinolines; Tryptophan | 1971 |
Interaction of aromatic amino acids with neutral polyadenylic acid.
Topics: Adenine Nucleotides; Chemical Phenomena; Chemistry; Histidine; Magnetic Resonance Spectroscopy; Phenylalanine; Polynucleotides; Protein Conformation; Temperature; Tryptophan | 1971 |
Studies in histochemistry. LXXIX. Properties of tryptophan hydroxylase from neoplastic murine mast cells.
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Mast Cells; Mice; Mixed Function Oxygenases; Neoplasms; Phenylalanine; Serotonin; Tryptophan | 1966 |
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 |
Brain amine decrease in leucine-fed rats.
Topics: 5-Hydroxytryptophan; Adrenal Glands; Animal Feed; Animals; Ascorbic Acid; Blood-Brain Barrier; Body Weight; Brain; Brain Chemistry; Carboxy-Lyases; Corticosterone; Diet; Dopamine; Female; Glutamates; Leucine; Liver; Male; Mixed Function Oxygenases; Monoamine Oxidase; Norepinephrine; Organ Size; Oxygenases; Phenylalanine; Rats; Serotonin; Transaminases; Tryptophan; Tryptophan Oxygenase | 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 |
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 |
X- and gamma-radiolysis of some tryptophan dipeptides.
Topics: Alanine; Chromatography, Thin Layer; Glycine; Leucine; Models, Chemical; Peptides; Phenylalanine; Radiation Effects; Tryptophan; Tyrosine | 1970 |
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 |
P-chloroamphetamine: in vivo investigations on the mechanism of action of the selective depletion of cerebral serotonin.
Topics: 5-Hydroxytryptophan; Amphetamine; Animals; Brain; Brain Chemistry; Carbon Isotopes; Chlorine; Hydroxyindoleacetic Acid; Male; Mixed Function Oxygenases; Monoamine Oxidase Inhibitors; Norepinephrine; Pargyline; Phenylalanine; Probenecid; Quinolizines; Rats; Reserpine; Serotonin; Tritium; Tryptophan | 1970 |
Effect of growth conditions on serotonin content of Tetrahymena pyriformis.
Topics: 5-Hydroxytryptophan; Animals; Cell Count; Culture Media; Desipramine; Germ-Free Life; Phenylalanine; Reserpine; Serotonin; Tetrahymena; Time Factors; Tryptophan | 1970 |
Microperfusion studies on renal tubular transport of tryptophan derivatives in rats.
Topics: 5-Hydroxytryptophan; Absorption; Animals; Azides; Biological Transport; Depression, Chemical; Dinitrophenols; Kidney Tubules; Kinetics; Perfusion; Phenylalanine; Rats; Stereoisomerism; Tritium; Tryptophan | 1971 |
Isoaccepting transfer RNA species in differing morphogenetic states of Rhodopseudomonas spheroides.
Topics: Aerobiosis; Amino Acids; Amino Acyl-tRNA Synthetases; Anaerobiosis; Benzoates; Carbon Isotopes; Chromatography, DEAE-Cellulose; Phenylalanine; Photosynthesis; Rhodobacter sphaeroides; Rhodopseudomonas; RNA, Transfer; Tritium; Tryptophan | 1971 |
[Regulation of RNA synthesis in E. coli by chloramphenicol in the presence of amino acid analogues].
Topics: Bacterial Proteins; Chloramphenicol; Enzyme Repression; Escherichia coli; In Vitro Techniques; Ligases; Mutation; Phenylalanine; RNA, Bacterial; Tryptophan | 1965 |
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 |
Synthesis of ribonucleic acid and protein during inhibition of Escherichia coli by analogues of amino acids.
Topics: Amino Acids; Bacterial Proteins; Escherichia coli; Methionine; Mutation; Phenylalanine; Propionates; RNA, Bacterial; Thiophenes; Tryptophan; Uracil | 1966 |
[Repression and inactivation of glutamine synthetase in Escherichia coli by NH4+].
Topics: Chloramphenicol; Culture Media; Enzyme Repression; Escherichia coli; Glutamates; Ligases; Phenylalanine; Quaternary Ammonium Compounds; Tryptophan | 1966 |
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 |
Interaction of colicins with bacterial cells. II. Specific alteration of Escherichia coli ribosomes induced by colicin E3 in vivo.
Topics: Chloramphenicol; Colicins; Dinitrophenols; Escherichia coli; Phenylalanine; Phosphorus Isotopes; Polynucleotides; Ribosomes; RNA, Messenger; Tryptophan; Uracil Nucleotides | 1967 |
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 |
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 |
[Quantitative evaluation of by paper and thin layer chromatographically separated amino acids with 1,3-dimethyl alloxan].
Topics: Alloxan; Amino Acids; Arginine; Aspartic Acid; Chromatography, Paper; Chromatography, Thin Layer; Cysteine; Drug Stability; Indicators and Reagents; Methionine; Methods; Peptides; Phenylalanine; Serine; Tryptophan | 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 |
[Paper- and thin layer chromatography of amino acids in infusion solutions].
Topics: Amino Acids; Arginine; Chromatography; Chromatography, Paper; Chromatography, Thin Layer; Glycine; Histidine; Indicators and Reagents; Isoleucine; Leucine; Lysine; Methionine; Methods; Phenylalanine; Solutions; Threonine; Tryptophan; 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 |
Synthesis of an analogue of horse heart cytochrome c by the solid phase method.
Topics: Amino Acid Sequence; Animals; Cytochromes; Horses; Methods; Muscle Proteins; Myocardium; Phenylalanine; Succinate Dehydrogenase; Tryptophan | 1969 |
Protein metabolism in isolated rat diaphragm muscle: effects of insulin and tryptophan.
Topics: Animals; Binding Sites; Biological Transport; Carbon Isotopes; Diaphragm; Drug Antagonism; In Vitro Techniques; Insulin; Insulin Antagonists; Intercellular Junctions; Male; Muscle Proteins; Muscles; Phenylalanine; Polysaccharides; Proline; Pyruvates; Rats; Rats, Inbred Strains; Receptors, Drug; Sodium; Stimulation, Chemical; Tryptophan | 1969 |
Trypsin inhibitors from Ascaris lumbricoides var. suis.
Topics: Amino Acids; Animals; Arginine; Ascaris; Chromatography, Ion Exchange; Cystine; Esters; Hydrogen-Ion Concentration; Methylcellulose; Phenylalanine; Toluene; Trypsin Inhibitors; Tryptophan | 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 |
[N-(3,5-dicarboxy-4-methyl-2-pyrrolylcarbonyl) amino acids as possible substrates of prolinase].
Topics: Alanine; Amino Acids; Chemical Phenomena; Chemistry; Dipeptidases; Dipeptides; Esters; Glutamates; Glycine; Phenylalanine; Pyrroles; Tryptophan | 1970 |
Intermedin (MSH)-like effect of a thermal polymer on vertebrate chromatophores.
Topics: Animals; Anura; Arginine; Chromatophores; Dipeptides; Glutamates; Glycine; Histidine; Hot Temperature; In Vitro Techniques; Melanocyte-Stimulating Hormones; Peptides; Phenylalanine; Pigmentation; Stimulation, Chemical; Tryptophan | 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 |
Glutamine depletion in phenylketonuria. A possible cause of the mental defect.
Topics: Adult; Amino Acids; Diet Therapy; Female; Glutamine; Humans; Intellectual Disability; Intelligence; Intelligence Tests; Male; Phenylalanine; Phenylketonurias; Tryptophan | 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 |
L-tryptophan antagonism of epinephrine-induced hyperglycemia in rats.
Topics: Animals; Blood Glucose; Epinephrine; Female; Histidine; Hyperglycemia; Phenylalanine; Rats; Time Factors; Tryptophan; Tyrosine | 1970 |
Identification of metabolites and their chemical removal from blood in renal failure.
Topics: Charcoal; Chromatography, Gas; Creatinine; Kidneys, Artificial; Membranes, Artificial; Phenylalanine; Tryptophan; Urea; Uremia; Uric Acid | 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 |
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 |
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 |
5-hydroxyindoleacetic acid in the brain and cerebrospinal fluid of the rabbit following administration of drugs affecting 5-hydroxytryptamine.
Topics: Amino Acids; Animals; Brain; Brain Chemistry; Cerebrospinal Fluid; Hydroxyindoleacetic Acid; Iproniazid; Male; Phenylalanine; Probenecid; Rabbits; Reserpine; Serotonin Antagonists; Tryptophan | 1970 |
Intestinal absorption of two dipeptides in Hartnup disease.
Topics: Adult; Animals; Dipeptides; Female; Glycine; Hartnup Disease; Humans; Intestinal Absorption; Phenylalanine; Rats; Tryptophan | 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 |
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 |
Alterations in plasma-free amino acids in dogs with hepatic insufficiency.
Topics: Amino Acids; Animals; Dogs; Ischemia; Isoleucine; Leucine; Liver Diseases; Lysine; Methionine; Phenylalanine; Plasma; Threonine; Tryptophan; Valine | 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 |
[Biosynthesis of gramicidin C on synthetic media with amino acids as the only N source].
Topics: Alanine; Amino Acids; Aspartic Acid; Bacillus; Culture Media; Cysteine; Glycine; Histidine; Hydrogen-Ion Concentration; Leucine; Lysine; Nitrogen; Ornithine; Phenylalanine; Serine; Threonine; Tryptophan; Tyrothricin; Valine | 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 |
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 |
Temperature dependence of amino acid transport in Ehrlich ascites cells: with results which bear on the A-L distinction.
Topics: Alanine; Amino Acids; Aminoisobutyric Acids; Animals; Biological Transport; Biological Transport, Active; Carcinoma, Ehrlich Tumor; Choline; Culture Media; Diffusion; Glycine; Guinea Pigs; Humans; Kinetics; Mathematics; Metabolism; Methionine; Models, Biological; Phenylalanine; Rabbits; Rats; Sodium; Temperature; Thermodynamics; Tryptophan | 1970 |
Inhibition of Walker 256 intramuscular carcinoma in rats by administration of L-tryptophan.
Topics: Animals; Carcinoma 256, Walker; Female; Gluconeogenesis; Histidine; Injections, Intraperitoneal; Leucine; Male; Mice; Phenylalanine; Proline; Rats; Tryptophan | 1970 |
Accumulation and disappearance of 3H-5-hydroxytryptamine formed from 3H-tryptophan in mouse brain; effect of LSD-25.
Topics: Animals; Brain; Brain Chemistry; Chlorine; Chromatography, Paper; Lysergic Acid Diethylamide; Male; Mice; Mixed Function Oxygenases; Phenylalanine; Reserpine; Serotonin; Time Factors; Tritium; Tryptophan | 1970 |
Intestinal absorption of dipeptides and corresponding free amino acids in Hartnup disease.
Topics: Amino Acids; Animals; Dipeptides; Glycine; Hartnup Disease; Humans; Intestinal Absorption; Intestine, Small; Phenylalanine; Rats; Tryptophan | 1970 |
Inborn errors of metabolism associated with unusual odors.
Topics: Amino Acid Metabolism, Inborn Errors; Child, Preschool; Fatty Acids; Female; Humans; Infant, Newborn; Lipid Metabolism, Inborn Errors; Malabsorption Syndromes; Maple Syrup Urine Disease; Methionine; Odorants; Phenylalanine; Tryptophan; Valerates | 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 |
An investigation of the hyperaminoaciduria in phenylketonuria associated with the feeding of certain commercial low-phenylalanine preparations.
Topics: Alanine; Amino Acids; Child; Child, Preschool; Diet Therapy; Female; Humans; Hydro-Lyases; Infant; Male; Metabolic Diseases; Phenylalanine; Phenylketonurias; Proteins; Stereoisomerism; Tryptophan | 1970 |
Horse liver alcohol dehydrogenase. On the primary structure of the ethanol-active isoenzyme.
Topics: Alcohol Oxidoreductases; Amino Acid Sequence; Amino Acids; Animals; Autoradiography; Carbon Isotopes; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cysteine; Ethanol; Guanidines; Horses; Iodoacetates; Isoenzymes; Liver; Methionine; Molecular Weight; Phenylalanine; Trypsin; Tryptophan | 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 |
Decrease in ethanol intake in rats following administration of p-chlorophenylalanine.
Topics: Adaptation, Physiological; Amino Acids; Animals; Avoidance Learning; Chlorine; Drinking Behavior; Electroshock; Ethanol; Humans; Male; Phenylalanine; Rats; Serotonin; Stress, Psychological; Tryptophan; Water | 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 |
In vitro and in vivo renal tubular transport of tryptophan derivatives.
Topics: Aminohippuric Acids; Animals; Chromatography, Thin Layer; Dinitrophenols; Dogs; In Vitro Techniques; Injections, Intra-Arterial; Kidney Tubules; Methods; Phenylalanine; Probenecid; Protein Binding; Rabbits; Temperature; Tryptophan | 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 |
Tryptophan transport in Neurospora crassa: a tryptophan-binding protein released by cold osmotic shock.
Topics: Alkaline Phosphatase; Arginine; Binding Sites; Biological Transport; Carbon Isotopes; Chromatography, Gel; Chromatography, Paper; Cold Temperature; Culture Media; Dialysis; Hydrolases; Leucine; Lysine; Neurospora; Osmosis; Phenylalanine; Plant Proteins; Protein Binding; Spectrophotometry; Tryptophan | 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 |
Biosynthesis of tyrocidines by extracts of two strains of Bacillus brevis.
Topics: Amino Acid Sequence; Anti-Bacterial Agents; Bacillus; Culture Media; Peptide Biosynthesis; Phenylalanine; Tryptophan | 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 effect on the nitrogen balance of the ratio essential-non-essential amino acids in intravenously infused solutions.
Topics: Adult; Alanine; Amino Acids; Arginine; Aspartic Acid; Blood Urea Nitrogen; Female; Glycine; Histidine; Humans; Infusions, Parenteral; Isoleucine; Leucine; Lysine; Methionine; Nitrogen; Phenylalanine; Proline; Threonine; Tryptophan; Valine | 1970 |
[Effect of amino acids on the growth of Streptococcus lactis and biosynthesis of nisin].
Topics: Alanine; Amino Acids; Anti-Bacterial Agents; Arginine; Asparagine; Aspartic Acid; Culture Media; Cysteine; Cystine; Depression, Chemical; Glutamates; Glycine; Histidine; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Proline; Serine; Stimulation, Chemical; Streptococcus; Threonine; Tryptophan; Valine | 1970 |
Tryptophan transport across the synaptosomal membrane.
Topics: Amino Acids; Animals; Biological Transport; Brain; Carbon Isotopes; Cell Membrane Permeability; Centrifugation; Chromatography, Paper; Cyanides; Fluorometry; Glucose; Kinetics; Male; Mitochondria; Nerve Endings; Ouabain; Phenylalanine; Rats; Synaptic Membranes; Temperature; Tryptophan | 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 |
Evidence for a common transport system for a group of amino acids in Tetrahymena.
Topics: Amino Acids; Animals; Biological Transport; Carbon Isotopes; Cell Division; Leucine; Methionine; Phenylalanine; Tetrahymena; Tryptophan | 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 |
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 |
The fluorescence quenching of aromatic amino acid and flavin portions of flavinyl peptides.
Topics: Flavins; Fluorescence; Peptides; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine | 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 |
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 |
[Dissociation of R- and P plus-variants of Bacillus brevis var. G.-B. during growth on a synthetic medium with amino acids as the only source of nitrogen].
Topics: Alanine; Amino Acids; Aspartic Acid; Bacillus; Culture Media; Cysteine; Genetic Variation; Glycine; Histidine; Leucine; Lysine; Nitrogen; Ornithine; Phenylalanine; Serine; Threonine; Tryptophan; Valine | 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 |
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 |
[Role of central serotoninergic processes in the occurrence of the phenomenon of head shaking in mice and rats due to tryptophan].
Topics: Animals; Brain; Bromine; Female; Lysergic Acid Diethylamide; Male; Methysergide; Mice; Phenelzine; Phenylalanine; Rats; Seizures; Serotonin; Serotonin Antagonists; Tryptophan | 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 |
Comparative studies on the primary structure of soluble and mitochondrial glutamic oxaloacetic transaminase isozymes. II. Amino acid sequence of the amino terminal fragments.
Topics: Alanine; Amino Acid Sequence; Amino Acids; Aminobutyrates; Animals; Aspartate Aminotransferases; Chemical Phenomena; Chemistry; Chromatography, Paper; Chymotrypsin; Cyanides; Endopeptidases; Glutamates; Histidine; Hydrogen-Ion Concentration; Hydrolysis; Hydroxybutyrates; Isoenzymes; Mitochondria, Muscle; Myocardium; Peptides; Phenylalanine; Proline; Serine; Solubility; Swine; Thiocyanates; Tryptophan; 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 |
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 |
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 |
Specificity of transinhibition of amino acid transport in neurospora.
Topics: Amino Acids; Arginine; Biological Transport, Active; Cycloheximide; Leucine; Lysine; Neurospora; Phenylalanine; Tryptophan; Valine | 1971 |
[Platelet reactions and immune processes. V. Inhibition by substrates and chymotrypsin inhibitors of ADP liberation by platelets].
Topics: Adenine Nucleotides; Blood Platelets; Chymotrypsin; Cinnamates; Collagen; Esters; Humans; Isoquinolines; Mast Cells; Phenols; Phenylalanine; Phenylbutazone; Platelet Adhesiveness; Tryptophan | 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 |
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 |
[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 |
Studies on continuous enzyme reactions. 3. Enzymatic properties of the DEAE-cellulose-aminoacylase complex.
Topics: Alanine; Amidohydrolases; Aspergillus; Cellulose; Chemical Phenomena; Chemistry; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Metals; Methionine; Phenylalanine; Protein Denaturation; Solubility; Spectrophotometry; Tryptophan; Valine | 1967 |
[Study of amino-aciduria and amino-acidemia in children by chromato-ionophoresis].
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Child; Chromatography; Electrophoresis; Histidine; Humans; Phenylalanine; Tryptophan | 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 |
Amino acid requirements for growth of the rabbit blastocyst in vitro.
Topics: Amino Acids; Animals; Arginine; Culture Media; Female; Glycine; Histidine; In Vitro Techniques; Leucine; Lysine; Methionine; Ovum; Phenylalanine; Rabbits; Serine; Threonine; Tryptophan; Valine | 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 |
[Neuropharmacologic and biochemical study of insomnia induced by P. chlorophenylalanine].
Topics: Animals; Brain Chemistry; Cats; Humans; Mixed Function Oxygenases; Phenylalanine; Rats; Serotonin; Serotonin Antagonists; Sleep Initiation and Maintenance Disorders; Tryptophan | 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 |
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 |
Melanocyte-stimulating hormone: activity in thermal polymers of alpha-amino acids.
Topics: Animals; Anura; Arginine; Biological Assay; Biological Evolution; Chromatophores; Glutamates; Glycine; Histidine; Hot Temperature; Hypophysectomy; Melanocyte-Stimulating Hormones; Models, Chemical; Peptides; Phenylalanine; Tryptophan | 1968 |
Amino acid requirements for cleavage of the rabbit ovum.
Topics: Amino Acids; Animals; Arginine; Culture Media; Cysteine; Female; Glutamine; In Vitro Techniques; Lysine; Methionine; Ovum; Phenylalanine; Rabbits; Threonine; Tryptophan; Valine | 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 |
Effect of dietary tryptophan on hepatic polyribosomes and protein synthesis in fasted mice.
Topics: Adrenal Glands; Adrenalectomy; Amino Acids; Animals; Carbon Isotopes; Centrifugation, Density Gradient; Dactinomycin; Diet; Fasting; Female; In Vitro Techniques; Isoleucine; Leucine; Liver; Methionine; Mice; Microsomes; Orotic Acid; Phenylalanine; Protein Biosynthesis; Ribosomes; RNA; Threonine; Time Factors; Tryptophan | 1968 |
The role of tryptophan in the physiology of Neurospora.
Topics: Amino Acids; Biological Transport, Active; Carbon Isotopes; Cycloheximide; Enzyme Repression; Genetics, Microbial; Hydrolases; Indoles; Kinetics; Leucine; Neurospora; ortho-Aminobenzoates; Phenylalanine; RNA, Transfer; Tryptophan | 1968 |
Multivalent feedback inhibition of aspartokinase in Bacillus polymyxa. I. Effect of nonpolar L-amino acids.
Topics: Acetates; Alanine; Amino Acids; Anhydrides; Aspartic Acid; Bacillus; Binding Sites; Detergents; Drug Antagonism; Drug Synergism; Feedback; Glycine; Hot Temperature; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Phosphotransferases; Threonine; Tryptophan; Valine | 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 |
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 |
Factors modulating brain serotonin turnover.
Topics: Animals; Brain; Brain Chemistry; Catecholamines; Hydroxyindoleacetic Acid; Lysergic Acid Diethylamide; Mixed Function Oxygenases; Oxygen; Pargyline; Phenylalanine; Rats; Receptors, Drug; Serotonin; Tryptophan | 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 |
The luminescence of tryptophan and phenylalanine derivatives.
Topics: Dipeptides; Fluorescence; Fluorometry; Luminescent Measurements; Peptides; Phenylalanine; Temperature; Time Factors; Tryptophan | 1968 |
Some effects of amino acid deficiencies on antibody formation in the rat.
Topics: Amino Acids; Animals; Antibody Formation; Antigens; Antimetabolites; Body Weight; Deficiency Diseases; Diet; Digestive System; Ethionine; Germ-Free Life; Glycine; Hemagglutination Tests; Male; Methionine; Phenylalanine; Rats; Serine; Sheep; Tryptophan; Vitamin B 6 Deficiency | 1968 |
Studies on the metabolism of 5-hydroxytryptamine (serotonin). VI. Hydroxylation and amines in cold-stressed reserpinized rats.
Topics: Animals; Brain; Brain Chemistry; Cold Temperature; Injections, Intraperitoneal; Liver; Male; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Rats; Reserpine; Serotonin; Stress, Physiological; Tritium; Tryptophan | 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 |
Incorporation of 2-14C tryptophan into the free amino acid spectrum of Vinca minor L.
Topics: Alanine; Amino Acids; Autoradiography; Carbon Isotopes; Chromatography, Paper; Leucine; Phenylalanine; Plants, Medicinal; Serine; Tryptophan; Valine | 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 |
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 |
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 |
The effect of variation of cofactor and substrate structure on the action of phenylalanine hydroxylase.
Topics: Animals; Chemical Phenomena; Chemistry; Kinetics; Liver; Mixed Function Oxygenases; Phenylalanine; Pteridines; Rats; Sheep; Tryptophan | 1968 |
Phenylalanine hydroxylase activity towards two substrates simultaneously: enhancement of inhibition by phenylalanine, tryptophan and their derivatives.
Topics: Animals; Binding Sites; Carbon Isotopes; Chemical Phenomena; Chemistry; Fluorine; Fluorometry; Kinetics; Liver; Mixed Function Oxygenases; Phenylalanine; Pteridines; Rats; Tryptophan | 1968 |
[L-tryptophan metabolism in phenylketonuria].
Topics: Adolescent; Adult; Child; Diet Therapy; Female; Humans; Indoles; Kynurenine; Male; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1968 |
Alcohol preference in the rat: reduction following depletion of brain serotonin.
Topics: Alcoholism; Animals; Brain; Depression, Chemical; Discrimination Learning; Ethanol; Humans; Male; Methyltyrosines; Mixed Function Oxygenases; Phenylalanine; Psychopharmacology; Rats; Serotonin; Tryptophan | 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 |
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 |
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 |
Physiological genetics of melanotic tumors in Drosophila melanogaster. V. Amino acid metabolism and tumor formation in the tu bw; st su-tu strain.
Topics: Amino Acids; Animals; Diet; Drosophila; Lysergic Acid Diethylamide; Methionine; Neoplasms, Experimental; ortho-Aminobenzoates; Phenotype; Phenylalanine; Serotonin; Stereoisomerism; Tranylcypromine; Tryptophan; Tryptophan Oxygenase | 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 |
Local antiphlogistic activity of L-phenylalanine and L-tryptophane.
Topics: Adrenalectomy; Animals; Anti-Inflammatory Agents; Cortisone; Depression, Chemical; Gelatin; Inflammation; Leukocyte Count; Leukocytes; Male; Neutrophils; Phenylalanine; Rats; Stereoisomerism; Tryptophan | 1968 |
The effects of excess amino acids on the growth of the young rat.
Topics: Amino Acids; Animals; Cystine; Depression, Chemical; Dietary Proteins; Growth; Injections, Intraperitoneal; Methionine; Phenylalanine; Rats; Tryptophan | 1968 |
[Strengthening the contractile function of the myocardium under the effects of several amino acids].
Topics: Amino Acids; Animals; Anura; Heart; Isoleucine; Kymography; Leucine; Lysine; Methionine; Methods; Muscle Contraction; Phenylalanine; Threonine; Tryptophan; Valine | 1968 |
The effect of essential amino acid deficiency on the sex-specific accumulation of a blood protein in female house-flies (Musca domestica L.).
Topics: Amino Acids; Animals; Arginine; Blood Proteins; Deficiency Diseases; Diet; Female; Histidine; Houseflies; Isoleucine; Leucine; Lysine; Milk; Phenylalanine; Reproduction; Sex Factors; Threonine; Tryptophan; Valine | 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 |
Sequence of limiting amino acids in fish protein concentrate produced by isopropyl alcohol extraction of red hake (Urophycis chuss).
Topics: 1-Propanol; Amino Acids; Animals; Arginine; Body Weight; Feeding Behavior; Fish Products; Glutamates; Histidine; Isoleucine; Leucine; Lysine; Male; Methionine; Nutritional Physiological Phenomena; Phenylalanine; Proteins; Rats; Threonine; Tryptophan; Valine | 1969 |
Effects of some substances on ergot alkaloid production.
Topics: Ascorbic Acid; Benz(a)Anthracenes; Benzopyrenes; Catalase; Culture Media; Ergot Alkaloids; Hydrocortisone; Oxygenases; Phenobarbital; Phenylalanine; Thyroxine; Tryptophan | 1969 |
In vitro inhibition of brain metabolism during postnatal development by high levels of phenylalanine and tryptophan.
Topics: Acetates; Alanine; Amino Acids; Aminobutyrates; Animals; Aspartic Acid; Brain; Carbon; Carbon Dioxide; Carbon Isotopes; Glucose; Glutamates; In Vitro Techniques; Leucine; Lipid Metabolism; Oxygen Consumption; Phenylalanine; Tryptophan | 1969 |
Product induction in Pseudomonas acidovorans of a permease system which transports L-tryptophan.
Topics: Asparagine; Azides; Biological Transport, Active; Dinitrophenols; Enzyme Induction; Feedback; Kynurenine; Membrane Transport Proteins; Phenylalanine; Pseudomonas; Tryptophan; Tryptophan Oxygenase | 1969 |
Papaya lysozyme. Terminal sequences and enzymatic properties.
Topics: Amino Acid Sequence; Bacteria; Binding Sites; Carboxypeptidases; Cell Wall; Chitinases; Glycine; Histamine; Histidine; Hot Temperature; Hydrogen-Ion Concentration; Isoleucine; Lysine; Muramidase; Phenylalanine; Plants; Serine; Tryptophan | 1969 |
[Studies on the requirements of an insect cell line (EPa strain). I. Amino acids].
Topics: Amino Acids; Animals; Arginine; Culture Techniques; Histidine; Insecta; Leucine; Methionine; Ornithine; Phenylalanine; Tryptophan; Valine | 1969 |
Influence of amino acid supply on ribosomes and protein synthesis of perfused rat liver.
Topics: Amino Acids; Animals; Arginine; Asparagine; In Vitro Techniques; Isoleucine; Leucine; Liver; Lysine; Male; Methionine; Perfusion; Phenylalanine; Proline; Protein Biosynthesis; Rats; Ribosomes; RNA, Messenger; Tryptophan; Valine | 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 |
[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 |
Further studies on tryptophan hydroxylase in rat brainstem and beef pineal.
Topics: Animals; Brain Chemistry; Brain Stem; Catechols; Cattle; Dihydroxyphenylalanine; Dopamine; Hydrogen-Ion Concentration; Iron; Iron Chelating Agents; Methyltyrosines; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Pineal Gland; Pteridines; Pyruvates; Rats; Serum Albumin; Tryptophan | 1969 |
Hydroxylation of tryptophan by rat-liver extracts.
Topics: Animals; Depression, Chemical; In Vitro Techniques; Kinetics; Liver; Mixed Function Oxygenases; Phenylalanine; Phenylpyruvic Acids; Rats; Time Factors; Tryptophan | 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 |
Carcinoid tumors and the carcinoid syndrome.
Topics: Adult; Aged; Bradykinin; Carcinoid Tumor; Female; Gastrointestinal Neoplasms; Humans; Kinins; Lung Neoplasms; Male; Malignant Carcinoid Syndrome; Middle Aged; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Norepinephrine; Phenylalanine; Serotonin; Tryptophan; Tyramine | 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 |
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 |
Regulation of isocitrate lyase level in yeast growing on external carbon sources or on lipid reserves.
Topics: Carbon Isotopes; Citrates; Cycloheximide; Depression, Chemical; Enzyme Repression; Ethanol; Ethionine; Glucose; Leucine; Lipid Metabolism; Lyases; Mitosporic Fungi; Phenylalanine; Protein Biosynthesis; Puromycin; Tryptophan | 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 |
Protein and amino acid metabolism in kwashiorkor.
Topics: Amino Acids; Blood Proteins; Child, Preschool; Folic Acid Deficiency; Histidine; Humans; Hydroxyindoleacetic Acid; Imidazoles; Indoles; Kwashiorkor; Phenylalanine; Proteins; Tryptophan; Urine; Vitamin B 6 Deficiency; Xanthurenates | 1965 |
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 |
Aminotransferases of Agrobacterium tumefaciens. Transamination between tryptophan and phenylpyruvate.
Topics: Hot Temperature; Hydrogen-Ion Concentration; In Vitro Techniques; Phenylalanine; Phenylpyruvic Acids; Protein Denaturation; Pyridoxal Phosphate; Rhizobium; Transaminases; Tryptophan | 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 |
Effect of tryptophan and phenylalanine mustards on blood cells of tumor-free mice and mice with Ehrlich ascites carcinoma.
Topics: Animals; Antineoplastic Agents; Blood Cells; Carcinoma, Ehrlich Tumor; Mice; Phenylalanine; Tryptophan | 1965 |
Charge-transfer complexations among biochemically reactive compounds.
Topics: Aminobenzoates; Aniline Compounds; Caffeine; Chemical Phenomena; Chemistry; Cyanides; Flavins; Nitrobenzenes; ortho-Aminobenzoates; Phenylalanine; Picrates; Riboflavin; Salicylates; Spectrophotometry; Triethylenemelamine; Tryptophan | 1964 |
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 |
[Biochemical and analytical bases of the exploration of phenylalanine metabolism].
Topics: Humans; Intellectual Disability; Metabolism, Inborn Errors; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine | 1964 |
["Borderline" forms of phenylketonuria].
Topics: Adolescent; Child, Preschool; Humans; Infant; Intellectual Disability; Metabolism, Inborn Errors; Phenylalanine; Phenylketonurias; Serotonin; Tryptophan | 1964 |
[Plexus cochlearis].
Topics: Animals; Autoradiography; Choroid Plexus; Ciliary Body; Cochlear Nerve; Cytoplasm; Dihydrolipoamide Dehydrogenase; Guinea Pigs; L-Lactate Dehydrogenase; Labyrinthine Fluids; Mice; Phenylalanine; Proteins; Tritium; Tryptophan | 1965 |
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 |
Dopamine and basal ganglia disorders.
Topics: Adult; Basal Ganglia; Dopamine; Female; Hepatolenticular Degeneration; Humans; Hydroxyindoleacetic Acid; In Vitro Techniques; Infant, Newborn; Male; Malignant Carcinoid Syndrome; Middle Aged; Movement Disorders; Parkinson Disease; Phenylalanine; Pregnancy; Serotonin; Tryptophan; Urine | 1965 |
The effect of metabolic inhibitors on transport and exchange of amino acids in Ehrlich ascites cells.
Topics: Alanine; Amino Acids; Animals; Biological Transport, Active; Carcinoma, Ehrlich Tumor; Cyanides; Dinitrophenols; Glycine; Hexoses; In Vitro Techniques; Phenylalanine; Tryptophan | 1965 |
The relationship between 5-hydroxyindoles and catecholamines.
Topics: Blood-Brain Barrier; Brain Chemistry; Brain Diseases; Catecholamines; Dopamine; Female; Humans; Hydroxyindoleacetic Acid; Male; Malignant Carcinoid Syndrome; Middle Aged; Movement Disorders; Phenylalanine; Serotonin; Tryptophan; Urine | 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 |
Amino acid requirements of grain beetles.
Topics: Animals; Arginine; Bees; Biological Assay; Coleoptera; Dietary Proteins; Glycine; Histidine; Humans; Isoleucine; Leucine; Lysine; Methionine; Nutritional Physiological Phenomena; Phenylalanine; Poultry; Rats; Threonine; Tryptophan; Valine | 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 |
Stimulation of insulin secretion by amino acids.
Topics: Adult; Amino Acids; Arginine; Blood Glucose; Fatty Acids; Female; Histidine; Humans; Hyperinsulinism; Insulin; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Threonine; Tryptophan; Valine | 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 |
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 |
Desalting of proteins, peptides, and amino acids on polyacrylamide gel.
Topics: Acrylic Resins; Amino Acids; Arginine; Chemical Phenomena; Chemistry; Chromatography, Gel; Glutamates; Peptides; Phenylalanine; Proteins; Serum Albumin, Bovine; Sodium Chloride; Tryptophan | 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 |
[Contribution to the study of phenylketonuria].
Topics: Adult; Diet Therapy; Erythrocytes, Abnormal; Female; Humans; Male; Middle Aged; Phenylalanine; Phenylketonurias; Tryptophan | 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 peptides. XI. The effect on melanotropic activity of altering the arginyl residue in L-histidyl-L-phenylalanyl-L-arginyl-L-tryptophylglycine.
Topics: Arginine; Chemistry, Organic; Glycine; Histidine; Lysine; Melanocyte-Stimulating Hormones; Organic Chemistry Phenomena; Ornithine; Peptides; Phenylalanine; Tryptophan | 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 |
[Incorporation of C14- and H3-tryptophan into different serum proteins through the perfused isolated normal and irradiated liver].
Topics: Alanine; Albumins; Amino Acids; Animals; Blood Proteins; Carbon Isotopes; Chromatography; Electrophoresis; Globulins; Glycine; Liver; Perfusion; Phenylalanine; Radiation Effects; Rats; Serine; Tritium; Tryptophan | 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 |
Tryptophan metabolism in normal and phenylketonuric rats.
Topics: Animals; Carbon Dioxide; Carbon Isotopes; Humans; Indoleacetic Acids; Injections, Intravenous; Kynurenine; Male; Phenylalanine; Phenylketonurias; Rats; Tryptophan; Urea | 1966 |
[Neuropsychiatric study on the effects of low-phenylalanine diet in phenylketonuria. 2. Experiments on the metabolism associated with the central nervous system disorder of phenylketonuria].
Topics: Child; Child, Preschool; Cyproheptadine; Diet Therapy; Female; Glutamine; Humans; Hydroxyindoleacetic Acid; Infant; Male; Phenylalanine; Phenylketonurias; Tryptophan | 1966 |
[Study of amino acid compositiion of basic polypeptides of animal origin by paper chromatography method].
Topics: Alanine; Amino Acids; Animals; Arginine; Brain Chemistry; Cattle; Chromatography, Paper; Cystine; Glutamates; Glycine; Histidine; Humans; Kidney; Liver; Lysine; Peptides; Phenylalanine; Placenta; Serine; Tryptophan; Valine | 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 |
Inhibition of inorganic phosphate transport by amino acids in rat kidney-cortical slices in vitro.
Topics: Alanine; Amino Acids; Animals; Arginine; Biological Transport; Carbon Isotopes; Dinitrophenols; Glycine; In Vitro Techniques; Kidney; Leucine; Lysine; Male; Phenylalanine; Phosphates; Phosphorus Isotopes; Rats; Temperature; Tryptophan | 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 |
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 |
Amino acid incorporation system of the nuclear residual acidic proteins.
Topics: Amino Acids; Animals; Aspartic Acid; Carbon Isotopes; Cattle; DNA; Iontophoresis; Leucine; Liver; Lysine; Magnesium; Male; Methionine; Peptides; Phenylalanine; Rats; Ribosomes; RNA, Transfer; Serine; Thymus Gland; Tryptophan | 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 |
Investigations of the chymotrypsin-catalyzed hydrolysis of specific substrates. 3. Determination of individual rate constants and enzyme-substrate binding constants for specific amide and ester substrates.
Topics: Acridines; Amides; Catalysis; Chemical Phenomena; Chemistry; Chymotrypsin; Hydrogen-Ion Concentration; Kinetics; Phenylalanine; Spectrophotometry; Tryptophan | 1967 |
Tryptophan hydroxylase inhibition: the mechanism by which p-chlorophenylalanine depletes rat brain serotonin.
Topics: Animals; Brain Stem; Carbon Isotopes; Dialysis; In Vitro Techniques; Kinetics; Male; Mixed Function Oxygenases; Phenylalanine; Rats; Serotonin; Tryptophan | 1967 |
Hydroxylation-induced migration: the NIH shift. Recent experiments reveal an unexpected and general result of enzymatic hydroxylation of aromatic compounds.
Topics: Acetanilides; Chemical Phenomena; Chemistry; Liver; Microsomes; Mixed Function Oxygenases; Phenylalanine; Tryptophan | 1967 |
Effects of excess leucine on growth and food selection.
Topics: Amino Acids; Animals; Body Weight; Diet; Dietary Proteins; Eating; Growth; Isoleucine; Leucine; Male; Methionine; Phenylalanine; Rats; Threonine; Tryptophan; Valine | 1967 |
Specificity and stereospecificity of alpha-chymotrypsin.
Topics: Binding Sites; Chemical Phenomena; Chemistry; Chymotrypsin; Glycine; Hydrogen-Ion Concentration; Kinetics; Leucine; Models, Chemical; Nitrophenols; Phenylalanine; Tryptophan | 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 |
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 |
Excitation, dissipative, and emissive mechanisms in biochemicals.
Topics: Absorption; Electrons; Fluorescence; Phenylalanine; Quantum Theory; Radiation Effects; Spectrum Analysis; Temperature; Trypsin; Tryptophan; Tyrosine | 1967 |
Characterization of a tryptophan hydroxylating enzyme from malignant mouse mast cell.
Topics: Animals; Catechols; In Vitro Techniques; Mast Cells; Mice; Mixed Function Oxygenases; Neoplasms, Experimental; Phenylalanine; Serotonin; Tryptophan | 1967 |
The biosynthesis of 5-hydroxytryptamine in carcinoid tumours and intestine.
Topics: Adult; Animals; Carcinoid Tumor; Female; Humans; In Vitro Techniques; Intestine, Small; Male; Middle Aged; Mixed Function Oxygenases; Phenylalanine; Pteridines; Rabbits; Radioisotopes; Serotonin; Tryptophan | 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 |
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 |
Influence of niacin and L-tryptophan on the growth depressive performance of chicks fed high levels of L-phenylalanine and L-methionine.
Topics: Animals; Body Weight; Diet; Growth; Homocystinuria; Humans; Methionine; Nicotinic Acids; Phenylalanine; Phenylketonurias; Poultry; Tryptophan | 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 |
Tryptophan oxidation in phenylketonuria.
Topics: Adolescent; Child; Child, Preschool; Female; Humans; Indoleacetic Acids; Ketones; Male; Oxidation-Reduction; Phenylalanine; Phenylketonurias; Phenylpyruvic Acids; Tryptophan | 1967 |
Effect of amino acids on zinc-65 incorporation by Ehrlich ascites tumor cells in vitro.
Topics: Alanine; Amino Acids; Animals; Arginine; Aspartic Acid; Carcinoma, Ehrlich Tumor; Female; Glutamates; Glycine; Histidine; In Vitro Techniques; Isoleucine; Lysine; Methionine; Mice; Phenylalanine; Proline; Serine; Threonine; Tryptophan; Zinc; Zinc Isotopes | 1967 |
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 |
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 |
[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 |
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 |
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 |
[Modified method for determining the content of tryptophan deaminase and phenylalanine deaminase in bacteria].
Topics: Amino Acid Oxidoreductases; Bacteriological Techniques; Enterobacteriaceae; L-Amino Acid Oxidase; Phenylalanine; Proteus; Providencia; Tryptophan | 1982 |
Precursors and metabolites of phenylethylamine, m and p-tyramine and tryptamine in human lumbar and cisternal cerebrospinal fluid.
Topics: Adolescent; Adult; Anticonvulsants; Child; Child, Preschool; Epilepsy; Female; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Male; Middle Aged; Phenethylamines; Phenylacetates; Phenylalanine; Tryptamines; Tryptophan; Tyramine | 1982 |
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 |
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 |
Effects of peptides on gastric emptying.
Topics: Animals; Gastric Emptying; Male; Neurotensin; Phenylalanine; Rats; Sincalide; Substance P; Tryptophan; Vasoactive Intestinal Peptide | 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 |
The clinical pharmacology of appetite suppressant drugs.
Topics: Animals; Appetite; Appetite Depressants; Dextroamphetamine; Dopamine; Endorphins; Feeding Behavior; Humans; Moxisylyte; Norepinephrine; Phenylalanine; Propranolol; Serotonin; Tryptophan | 1984 |
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 |
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 |
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 |
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 |
Uptake of L-tryptophan by erythrocytes infected with malaria parasites (Plasmodium falciparum).
Topics: Biological Transport; Chloroquine; Erythrocytes; Humans; Kinetics; Malaria; Phenylalanine; Phloretin; Plasmodium falciparum; Reference Values; Tryptophan | 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 |
Inhibition by L-phenylalanine of tryptophan transport by synaptosomal plasma membrane vesicles: implications in the pathogenesis of phenylketonuria.
Topics: Animals; Biological Transport; Biological Transport, Active; Brain; Humans; Kinetics; Male; Phenylalanine; Phenylketonurias; Rats; Rats, Inbred Strains; Synaptic Membranes; Synaptosomes; Tryptophan | 1983 |
Tryptophan requirement of the 2.5-kg piglet determined by the oxidation of an indicator amino acid.
Topics: Amino Acids; Animals; Body Weight; Breath Tests; Diet; Lysine; Male; Nutritional Requirements; Oxidation-Reduction; Phenylalanine; Swine; Tryptophan | 1984 |
Disturbances of amino acid transport in rats with experimental hyperphenylalaninaemia.
Topics: Amino Acids; Animals; Cerebral Cortex; Disease Models, Animal; Fenclonine; Glycine; Humans; Leucine; Liver; Phenylalanine; Phenylketonurias; Rats; Tryptophan | 1981 |
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 |
Thermodynamic linkages in rabbit muscle pyruvate kinase: kinetic, equilibrium, and structural studies.
Topics: Allosteric Site; Animals; Chemical Phenomena; Chemistry; Kinetics; Macromolecular Substances; Molecular Weight; Muscles; Phenylalanine; Phosphoenolpyruvate; Protein Conformation; Pyruvate Kinase; Rabbits; Sulfhydryl Compounds; Thermodynamics; Tryptophan; Ultracentrifugation | 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 |
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 |
The interaction of aromatic amino acids with rat liver phenylalanine hydroxylase.
Topics: Amino Acids; Animals; Biopterins; Kinetics; Liver; Male; Phenylalanine; Phenylalanine Hydroxylase; Rats; Rats, Inbred Strains; Stereoisomerism; Tryptophan | 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 |
[Aminoacylase from Streptoverticillium microorganisms: stereo- and substrate specificity].
Topics: Amidohydrolases; Hydrolysis; Leucine; Methionine; Phenylalanine; Stereoisomerism; Streptomycetaceae; Substrate Specificity; Tryptophan | 1984 |
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 |
Amino acid requirements of growing mice: arginine, lysine, tryptophan and phenylalanine.
Topics: Amino Acids, Essential; Animal Feed; Animals; Arginine; Lysine; Male; Mice; Nutritional Requirements; Phenylalanine; Tryptophan | 1981 |
Production of amino acids by analog-resistant mutants of the cyanobacterium Spirulina platensis.
Topics: Alanine; Azetidinecarboxylic Acid; Cyanobacteria; Drug Resistance, Microbial; Ethionine; Methionine; p-Fluorophenylalanine; Phenylalanine; Proline; Tryptophan | 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 |
Patterns of amino acid efflux from isolated normal and cystinotic human leucocyte lysosomes.
Topics: Alanine; Amino Acids; Cystine; Cystinosis; Esters; Humans; Kinetics; Leucine; Leukocytes; Lysine; Lysosomes; Methionine; Phenylalanine; Tryptophan | 1982 |
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 |
Effect of individual l-amino acids on gastric acid secretion and serum gastrin and pancreatic polypeptide release in humans.
Topics: Adult; Amino Acids; Gastric Acid; Gastrins; Humans; Pancreatic Polypeptide; Phenylalanine; Serine; Tryptophan | 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 |
Amperometric detection of amino acids in high-performance liquid chromatography with a copper electrode.
Topics: Amino Acids; Chromatography, High Pressure Liquid; Electrochemistry; Humans; Microelectrodes; Phenylalanine; Tryptophan | 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 |
Determination of the enantiomeric purity of levodopa, methyldopa, carbidopa and tryptophan by use of chiral mobile phase high-performance liquid chromatography.
Topics: Capsules; Carbidopa; Chromatography, High Pressure Liquid; Copper; Copper Sulfate; Drug Contamination; Levodopa; Methyldopa; Phenylalanine; Stereoisomerism; Tablets; Tryptophan | 1983 |
Intravenous infusion of L-isomers of phenylalanine and tryptophan stimulate gastric acid secretion at physiologic plasma concentrations in normal subjects and after parietal cell vagotomy.
Topics: Amino Acids; Dietary Proteins; Dose-Response Relationship, Drug; Female; Gastric Acid; Gastrins; Humans; Infusions, Parenteral; Male; Phenylalanine; Tryptophan; Vagotomy; Vagotomy, Proximal Gastric | 1983 |
Plasma phenylalanine, tyrosine, and tryptophan in schizophrenia.
Topics: Administration, Oral; Adult; Heterozygote; Humans; Infusions, Parenteral; Phenylalanine; Phenylketonurias; Schizophrenia; 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 |
[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 |
Fluorescence energy transfer studies on the active site of papain.
Topics: Binding Sites; Energy Transfer; Ligands; Oligopeptides; Papain; Phenylalanine; Protein Conformation; Spectrometry, Fluorescence; Substrate Specificity; Tryptophan | 1980 |
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 |
Impaired permeability of the blood-cerebrospinal fluid barrier in hyperphenylalaninaemia.
Topics: 5-Hydroxytryptophan; Animals; Biological Transport, Active; Blood-Brain Barrier; Brain Chemistry; Cattle; Choroid Plexus; Humans; In Vitro Techniques; Permeability; Phenylalanine; Phenylketonurias; Rats; Serotonin; Tryptophan | 1982 |
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 |
Protection by glycerol against the biological actions of near-ultraviolet light.
Topics: DNA; Escherichia coli; Glycerol; Phenylalanine; Radiation-Protective Agents; Tryptophan; Ultraviolet Rays; X-Rays | 1980 |
Incorporation of amino acid analogs during the biosynthesis of Escherichia coli aspartate transcarbamylase.
Topics: Alanine; Amino Acids; Aspartate Carbamoyltransferase; Escherichia coli; Ethionine; Macromolecular Substances; Methylhistidines; p-Fluorophenylalanine; Phenylalanine; Triazoles; Tryptophan | 1980 |
Purification and properties of aromatic amino acid aminotransferase from Klebsiella aerogenes.
Topics: Amino Acids; Hydrogen-Ion Concentration; Kinetics; Klebsiella pneumoniae; Molecular Weight; Phenylalanine; Temperature; Transaminases; Tryptophan | 1981 |
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 |
Proteolytic susceptibility of hemoglobin synthesized in the presence of amino acid analogues.
Topics: Amino Acids; Animals; Hemoglobins; Histidine; In Vitro Techniques; Leucine; Peptide Hydrolases; Phenylalanine; Proline; Rabbits; Reticulocytes; Tryptophan | 1981 |
Noncovalent inhibitors of sickle hemoglobin gelation: effects of aryl-substituted alanines.
Topics: Alanine; Gels; Hemoglobin, Sickle; Humans; Phenylalanine; Solubility; Structure-Activity Relationship; Tryptophan | 1982 |
TC-99m(Sn)-N-pyridoxylaminates: a new series of hepatobiliary imaging agents.
Topics: Animals; Biliary Tract; Female; Liver; Organotechnetium Compounds; Phenylalanine; Pyridoxine; Rabbits; Radionuclide Imaging; Rats; Rats, Inbred Strains; Reagent Kits, Diagnostic; Technetium; Tissue Distribution; Tryptophan | 1982 |
Inhibition of in vitro sickling by liposome-mediated transport of amino acids into intact human red blood cells.
Topics: Amino Acids; Anemia, Sickle Cell; Antisickling Agents; Erythrocytes; Humans; In Vitro Techniques; Liposomes; Pharmaceutical Vehicles; Phenylalanine; Tryptophan | 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 |
Induction of coma in normal dogs by the infusion of aromatic amino acids and its prevention by the addition of branched-chain amino acids.
Topics: Amino Acids, Branched-Chain; Ammonia; Animals; Biological Transport; Blood-Brain Barrier; Brain; Coma; Dogs; Hepatic Encephalopathy; Phenylalanine; Tryptophan | 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 |
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 |
Patterns of protein synthesis during the cell cycle of the fission yeast Schizosaccharomyces pombe.
Topics: Ascomycota; Cell Cycle; Fungal Proteins; Kinetics; Leucine; Models, Biological; Mutation; Phenylalanine; Schizosaccharomyces; Tryptophan | 1982 |
Computation of enzyme-substrate specificity.
Topics: Amino Acid Sequence; Binding Sites; Chymotrypsin; Enzymes; Kinetics; Phenylalanine; Protein Binding; Protein Conformation; Structure-Activity Relationship; Substrate Specificity; Thermodynamics; Tryptophan | 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 |
Analysis of some tryptophan and phenylalanine metabolites in urine by a straight-phase high-performance liquid chromatographic technique.
Topics: Chromatography, High Pressure Liquid; Humans; Phenylalanine; Reference Values; Tryptophan | 1981 |
Effects of amino acid analogues on protein degradation in isolated rat hepatocytes.
Topics: Amino Acids; Animals; Asparagine; Autophagy; Glutamine; Histidine; Leucine; Liver; Male; Phenylalanine; Proteins; Rats; Structure-Activity Relationship; Tryptophan | 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 |
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 |
Maternal influences on tryptophan hydroxylase activity in embryonic rat brain.
Topics: Animals; Brain; Cell Differentiation; Female; Hydrocortisone; Phenylalanine; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Inbred Strains; Serotonin; Stress, Physiological; Tryptophan; Tryptophan Hydroxylase | 1981 |
Circular dichroism studies of papaya mosaic virus coat protein and its polymers.
Topics: Biopolymers; Circular Dichroism; Hydrogen-Ion Concentration; Mosaic Viruses; Phenylalanine; Protein Conformation; Protein Denaturation; Sodium Chloride; Temperature; Tryptophan; Viral Proteins | 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 |
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 |
Control of specific transfer RNA concentrations in amino acid-deprived Friend leukemia cells operates at the level of RNA degradation.
Topics: Amino Acids; Animals; Cell Line; Histidine; Leucine; Leukemia, Experimental; Mice; Phenylalanine; RNA, Transfer; Tryptophan; Uridine | 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 |
[Excretion of transamination products in hyperphenylalaninemia (author's transl)].
Topics: Adult; Biogenic Amines; Female; Histidine; Humans; Intellectual Disability; Middle Aged; Phenylalanine; Phenylketonurias; Transaminases; Tryptophan | 1980 |
Exit of tryptophan and phenylalanine from bovine cerebral cortex synaptosomes.
Topics: Animals; Cattle; Cerebral Cortex; In Vitro Techniques; Microscopy, Electron; Phenylalanine; Synaptosomes; Tryptophan | 1980 |
L-Tryptophan transport in human red blood cells.
Topics: Amino Acids; Biological Transport; Erythrocytes; Humans; Kinetics; Phenylalanine; Structure-Activity Relationship; Tryptophan; Tyrosine | 1980 |
Tryptophan and phenylalanine transport in rat cerebral cortex slices as influenced by sodium ions.
Topics: Animals; Cell Membrane Permeability; Cerebral Cortex; Chlorides; Choline; Lithium; Male; Phenylalanine; Rats; Sodium; Tryptophan | 1980 |
High-performance anion-exchange chromatography of ultraviolet-absorbing constitutents of human urine.
Topics: Anion Exchange Resins; Benzoates; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Humans; Hydrogen-Ion Concentration; Male; Phenylalanine; Purines; Spectrophotometry, Ultraviolet; Time Factors; Tryptophan; Uronic Acids | 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 |
Efflux mechanism of phenylalanine and tryptophan in rat cerebral cortex slices.
Topics: Amino Acids; Animals; Cerebral Cortex; Culture Techniques; Kinetics; Phenylalanine; Rats; Tryptophan | 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 |
Tryptophan transport by isolated newborn rabbit jejunum.
Topics: Aging; Alanine; Animals; Animals, Newborn; Intestinal Absorption; Jejunum; Phenylalanine; Rabbits; Sodium; Tryptophan | 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 |
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 |
Methanogenic fermentation of the naturally occurring aromatic amino acids by a microbial consortium.
Topics: Amino Acids; Euryarchaeota; Fermentation; Phenylalanine; Tryptophan | 1980 |
Phenyl alanine, tryptophan immobilized chitosan beads as adsorbents for selective removal of immunoproteins.
Topics: Adsorption; Albumins; Animals; Cattle; Chelating Agents; Chitin; Chitosan; Electrophoresis, Polyacrylamide Gel; Equipment Design; Fibrinogen; gamma-Globulins; Immunoglobulin G; Immunoglobulin M; Immunoglobulins; Immunosorbent Techniques; Immunosorbents; Membranes, Artificial; Microscopy, Electron, Scanning; Microspheres; Phenylalanine; Platelet Adhesiveness; Surface Properties; Tryptophan | 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 |
HPLC demonstration that an all Trp-->Phe replacement in gramicidin A results in a conformational rearrangement from beta-helical monomer to double-stranded dimer in model membranes.
Topics: Chromatography, High Pressure Liquid; Gramicidin; Ion Channels; Membrane Proteins; Membranes, Artificial; Phenylalanine; Protein Conformation; Protein Structure, Secondary; Structure-Activity Relationship; Tryptophan | 1995 |
Gramicidin tryptophans mediate formamidinium-induced channel stabilization.
Topics: Amidines; Electrophysiology; Gramicidin; Ion Channels; Kinetics; Lipid Bilayers; Macromolecular Substances; Membrane Potentials; Models, Biological; Phenylalanine; Structure-Activity Relationship; Tryptophan | 1995 |
Tryptophan fluorescence of human phenylalanine hydroxylase produced in Escherichia coli.
Topics: Acrylamide; Acrylamides; Base Sequence; Biopterins; DNA, Complementary; Escherichia coli; Humans; In Vitro Techniques; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Phenylalanine Hydroxylase; Polymerase Chain Reaction; Recombinant Fusion Proteins; Spectrometry, Fluorescence; Tryptophan | 1995 |
1H-NMR and photo-CIDNP spectroscopies show a possible role for Trp23 and Phe31 in nucleic acid binding by P2 ribonuclease from the archaeon Sulfolobus solfataricus.
Topics: Binding Sites; Escherichia coli; Magnetic Resonance Spectroscopy; Phenylalanine; Recombinant Proteins; Ribonucleases; RNA; Spectrum Analysis; Sulfolobus; Tryptophan | 1995 |
Probing the roles of active site residues in D-xylose isomerase.
Topics: Aldose-Ketose Isomerases; Amino Acid Sequence; Base Sequence; Binding Sites; Carbohydrate Epimerases; Cloning, Molecular; Crystallography, X-Ray; DNA Primers; Escherichia coli; Histidine; Kinetics; Lysine; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Polymerase Chain Reaction; Protein Conformation; Recombinant Proteins; Streptomyces; Tryptophan | 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 |
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 |
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 |
23Na-NMR study of ion transport across vesicle membranes facilitated by phenylalanine analogs of gramicidin.
Topics: Gramicidin; Ion Transport; Magnetic Resonance Spectroscopy; Membranes; Phenylalanine; Sodium; Temperature; Tryptophan | 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 |
Dissection of protein-carbohydrate interactions in mutant hen egg-white lysozyme complexes and their hydrolytic activity.
Topics: Acetylglucosamine; Animals; Binding Sites; Carbohydrate Sequence; Chickens; Crystallography, X-Ray; DNA Mutational Analysis; Egg White; Female; Hydrogen Bonding; Hydrolysis; Models, Molecular; Molecular Sequence Data; Muramidase; Mutagenesis, Site-Directed; Phenylalanine; Trisaccharides; Tryptophan; Umbelliferones; Water | 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 |
Neutral amino acid transport characterization of isolated luminal and abluminal membranes of the blood-brain barrier.
Topics: Alanine; Amino Acids; Amino Acids, Cyclic; Animals; beta-Alanine; Biological Transport; Blood-Brain Barrier; Cattle; Cell Fractionation; Cell Membrane; Centrifugation, Zonal; Endothelium, Vascular; Ficoll; Glutamine; Kinetics; Leucine; Microcirculation; Phenylalanine; Sodium; Tryptophan | 1995 |
Identification of four metabolites of 3-(phenylamino)alanine, a constituent in L-tryptophan products implicated in eosinophilia-myalgia syndrome, in rats.
Topics: Administration, Oral; Alanine; Animals; Blood-Brain Barrier; Brain; Chromatography, High Pressure Liquid; Drug Contamination; Eosinophilia-Myalgia Syndrome; Gas Chromatography-Mass Spectrometry; Kidney; Liver; Lung; Male; Phenylalanine; Rats; Rats, Wistar; Structure-Activity Relationship; Tissue Distribution; Tryptophan | 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 |
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 |
Ligand-mediated changes in the tryptophan synthase indole tunnel probed by nile red fluorescence with wild type, mutant, and chemically modified enzymes.
Topics: Amino Acid Sequence; Base Sequence; Binding Sites; Cloning, Molecular; Codon; Computer Graphics; Computer Simulation; Cysteine; Escherichia coli; Fluorescent Dyes; Indoles; Iodides; Kinetics; Ligands; Macromolecular Substances; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligodeoxyribonucleotides; Oxazines; Phenylalanine; Point Mutation; Protein Conformation; Pyridoxal Phosphate; Recombinant Proteins; Salmonella typhimurium; Serine; Spectrometry, Fluorescence; Tryptophan; Tryptophan Synthase | 1995 |
Lack of correspondence between the room-temperature phosphorescence decay-components and Trp residues in a series of Trp-->Cys or Trp-->Phe mutants of human carbonic anhydrase II.
Topics: Carbonic Anhydrases; Chemical Phenomena; Chemistry, Physical; Cysteine; Humans; Kinetics; Luminescence; Mutation; Phenylalanine; Spectrophotometry; Temperature; Tryptophan | 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 |
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 |
Peptide synthesis catalyzed by an antibody containing a binding site for variable amino acids.
Topics: Antibodies, Catalytic; Antibodies, Monoclonal; Binding Sites, Antibody; Dipeptides; Esters; Haptens; Kinetics; Leucine; Molecular Conformation; Phenylalanine; Stereoisomerism; Tryptophan; Valine | 1994 |
The effect of phytic acid on the resolution of peptides and proteins in capillary electrophoresis.
Topics: Amino Acid Sequence; Amino Acids; Bradykinin; Capillary Action; Electrophoresis; Hydrogen-Ion Concentration; Molecular Sequence Data; Peptides; Phenylalanine; Phytic Acid; Proteins; Tryptophan | 1994 |
Characterization of peptide-YY release in response to intracolonic infusion of amino acids.
Topics: Animals; Atropine; Chromatography, High Pressure Liquid; Colon; Dogs; Female; Gastrointestinal Hormones; Hexamethonium; Hexamethonium Compounds; Infusions, Parenteral; Injections, Intravenous; Kinetics; Male; Peptide YY; Peptides; Phenylalanine; Propranolol; Time Factors; Tryptophan | 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 |
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 |
Ca2+, Mg2+, and troponin I inhibitory peptide binding to a Phe-154 to Trp mutant of chicken skeletal muscle troponin C.
Topics: Amino Acid Sequence; Animals; Base Sequence; Binding Sites; Calcium; Chickens; Circular Dichroism; DNA Primers; Egtazic Acid; Kinetics; Magnesium; Molecular Sequence Data; Muscles; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Polymerase Chain Reaction; Protein Structure, Secondary; Recombinant Proteins; Troponin; Troponin C; Troponin I; Tryptophan | 1994 |
Orientational and aggregational states of magainin 2 in phospholipid bilayers.
Topics: Amino Acid Sequence; Animals; Anti-Bacterial Agents; Antimicrobial Cationic Peptides; Kinetics; Lipid Bilayers; Liposomes; Macromolecular Substances; Magainins; Molecular Sequence Data; Phenylalanine; Phospholipids; Protein Structure, Secondary; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Xenopus laevis; Xenopus Proteins | 1994 |
Interaction of calmodulin with synthetic deletion peptides of melittin.
Topics: Amino Acid Sequence; Binding Sites; Calmodulin; Chromatography, High Pressure Liquid; Cross-Linking Reagents; Melitten; Molecular Sequence Data; Peptides; Phenylalanine; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan | 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 |
Fluorine-19 nuclear magnetic resonance spectroscopic study of fluorophenylalanine- and fluorotryptophan-labeled avian egg white lysozymes.
Topics: Amino Acid Sequence; Animals; Chickens; Female; Fluorine; Guanidine; Guanidines; Magnetic Resonance Spectroscopy; Mass Spectrometry; Muramidase; Mutagenesis, Site-Directed; p-Fluorophenylalanine; Phenylalanine; Protein Conformation; Protein Denaturation; Quail; Recombinant Proteins; Tryptophan | 1994 |
Characteristics of alpha-aminoisobutyric acid transport by lactating rat mammary gland.
Topics: Amino Acids; Amino Acids, Cyclic; Aminoisobutyric Acids; Animals; beta-Alanine; Biological Transport; Female; Kinetics; Lactation; Leucine; Mammary Glands, Animal; Phenylalanine; Rats; Rats, Wistar; Sodium; Tryptophan | 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 |
Heterogeneity of glycosylphosphatidylinositol-anchored alkaline phosphatase of calf intestine.
Topics: Alkaline Phosphatase; Animals; Cattle; Electrophoresis, Polyacrylamide Gel; Fatty Acids; Glycosylphosphatidylinositols; Intestinal Mucosa; Kinetics; Leucine; Molecular Weight; Phenylalanine; Phospholipase D; Tryptophan; Type C Phospholipases | 1993 |
Conformations and conformational changes of four Phe-->Trp variants of the DNA-binding histone-like protein, HBsu, from Bacillus subtilis studied by circular dichroism and fluorescence spectroscopy.
Topics: Bacillus subtilis; Bacterial Proteins; Circular Dichroism; DNA-Binding Proteins; Phenylalanine; Protein Conformation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan | 1993 |
Relationship between thyroid hormone transport and neutral amino acid transport in JAR human choriocarcinoma cells.
Topics: Amino Acids; Biological Transport; Cell Line; Choline; Choriocarcinoma; Female; Humans; Hydrogen-Ion Concentration; Iodine Radioisotopes; Kinetics; Leucine; Phenylalanine; Pregnancy; Sodium; Thyroxine; Triiodothyronine; Tritium; Tryptophan; Tumor Cells, Cultured; Uterine Neoplasms | 1994 |
1H one-dimensional and two-dimensional NMR studies of the ferricytochrome c 551 from Rhodocyclus gelatinosus.
Topics: Amino Acid Sequence; Bacterial Proteins; Cytochrome c Group; Hydrogen; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Conformation; Rhodospirillaceae; Thermodynamics; Tryptophan; X-Ray Diffraction | 1994 |
Unique environment of Trp48 in Pseudomonas aeruginosa azurin as probed by site-directed mutagenesis and dynamic fluorescence spectroscopy.
Topics: Azurin; Base Sequence; Chromatography, Ion Exchange; Electron Spin Resonance Spectroscopy; Escherichia coli; Isoelectric Point; Isoleucine; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Pseudomonas aeruginosa; Serine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan | 1994 |
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 |
Reaction mechanisms of Trp120-->Phe and wild-type glucoamylases from Aspergillus niger. Interactions with maltooligodextrins and acarbose.
Topics: Acarbose; Aspergillus niger; Carbohydrate Sequence; Dextrins; Glucan 1,4-alpha-Glucosidase; Kinetics; Ligands; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Spectrometry, Fluorescence; Structure-Activity Relationship; Trisaccharides; Tryptophan | 1993 |
Improved synthetic methods for the selective deuteration of aromatic amino acids: applications of selective protonation towards the identification of protein folding intermediates through nuclear magnetic resonance.
Topics: Deuterium; Isotope Labeling; Magnetic Resonance Spectroscopy; Phenylalanine; Protein Folding; Proteins; Protons; Thioredoxins; Tryptophan | 1993 |
Active sites of the cytochrome p450cam (CYP101) F87W and F87A mutants. Evidence for significant structural reorganization without alteration of catalytic regiospecificity.
Topics: Alanine; Amino Acid Sequence; Binding Sites; Camphor 5-Monooxygenase; Cloning, Molecular; Cytochrome P-450 Enzyme System; Escherichia coli; Ferricyanides; Hydrazines; Mixed Function Oxygenases; Models, Molecular; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Protein Conformation; Protoporphyrins; Recombinant Proteins; Spectrophotometry; Tryptophan | 1993 |
The role of conserved tryptophan residues in the interaction of a bacterial cellulose binding domain with its ligand.
Topics: Alanine; Alkaline Phosphatase; Amino Acid Sequence; Blotting, Western; Cellulose; Electrophoresis, Polyacrylamide Gel; Endo-1,4-beta Xylanases; Escherichia coli; Glycoside Hydrolases; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Pseudomonas fluorescens; Recombinant Fusion Proteins; Tryptophan | 1993 |
Inhibitor binding to the Phe53Trp mutant of HIV-1 protease promotes conformational changes detectable by spectrofluorometry.
Topics: Amino Acid Sequence; Binding Sites; HIV Protease; HIV Protease Inhibitors; HIV-1; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Molecular Structure; Mutagenesis, Site-Directed; Peptides; Phenylalanine; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; X-Ray Diffraction | 1993 |
Alpha-keto acids are novel siderophores in the genera Proteus, Providencia, and Morganella and are produced by amino acid deaminases.
Topics: Amino Acids; Biological Assay; Biological Transport; Caproates; Chromatography, High Pressure Liquid; Deamination; Enterobacteriaceae; Hydroxamic Acids; Iron; Keto Acids; Lactates; Leucine; Phenylalanine; Phenylpyruvic Acids; Proteus; Providencia; Siderophores; Structure-Activity Relationship; Tryptophan; Valine | 1993 |
The role of tryptophans 371 and 395 in the binding of antibiotics and the transport of sugars by the D-galactose-H+ symport protein (GalP) from Escherichia coli.
Topics: Anti-Bacterial Agents; Base Sequence; Binding Sites; Calcium-Binding Proteins; Carrier Proteins; Cell Membrane; Colforsin; Cytochalasin B; DNA Primers; Escherichia coli; Galactose; Genes, Bacterial; Iodine Radioisotopes; Kinetics; Molecular Sequence Data; Monosaccharide Transport Proteins; Mutagenesis, Site-Directed; Periplasmic Binding Proteins; Phenylalanine; Point Mutation; Polymerase Chain Reaction; Recombinant Proteins; Tritium; Tryptophan | 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 |
X-ray crystal structure of the two site-specific mutants Ile7Ser and Phe110Ser of azurin from Pseudomonas aeruginosa.
Topics: Azurin; Crystallography, X-Ray; Electron Transport; Isoleucine; Molecular Structure; Mutation; Phenylalanine; Protein Conformation; Pseudomonas aeruginosa; Serine; Tryptophan; Water | 1996 |
On the conformation of Phe78 of a chromoprotein antibiotic, neocarzinostatin.
Topics: Antibiotics, Antineoplastic; Apoproteins; Binding Sites; Chromogenic Compounds; Crystallography, X-Ray; Magnetic Resonance Spectroscopy; Models, Chemical; Molecular Conformation; Phenylalanine; Protons; Tryptophan; Zinostatin | 1995 |
Chemical modification and inactivation of rat liver arginase by N-bromosuccinimide: reaction with His141.
Topics: Amino Acid Sequence; Animals; Arginase; Base Sequence; Bromosuccinimide; DNA Primers; Enzyme Inhibitors; Histidine; Humans; Kinetics; Liver; Molecular Sequence Data; Mutagenesis, Site-Directed; Neurospora crassa; Phenylalanine; Point Mutation; Polymerase Chain Reaction; Rats; Recombinant Proteins; Rhizobium; Saccharomyces cerevisiae; Sequence Homology, Amino Acid; Spectrophotometry, Ultraviolet; Tryptophan; Xenopus | 1996 |
Critical amino acids in the transcriptional activation domain of the herpesvirus protein VP16 are solvent-exposed in highly mobile protein segments. An intrinsic fluorescence study.
Topics: Cesium; Chlorides; Cloning, Molecular; DNA-Binding Proteins; Escherichia coli; Fluorescence Polarization; Fungal Proteins; Herpes Simplex Virus Protein Vmw65; Kinetics; Mathematics; Mutagenesis, Site-Directed; Phenylalanine; Point Mutation; Potassium Iodide; Protein Conformation; Recombinant Fusion Proteins; Saccharomyces cerevisiae Proteins; Solvents; Spectrometry, Fluorescence; Transcription Factors; Transcription, Genetic; Transcriptional Activation; Tryptophan | 1996 |
The putative actin-binding role of hydrophobic residues Trp546 and Phe547 in chicken gizzard heavy meromyosin.
Topics: Actins; Amino Acid Sequence; Animals; Base Sequence; Binding Sites; Chickens; Gizzard, Avian; Histidine; Microscopy, Electron; Models, Molecular; Molecular Sequence Data; Muscle, Smooth; Mutagenesis, Site-Directed; Myosin Subfragments; Myosins; Oligodeoxyribonucleotides; Phenylalanine; Protein Conformation; Serine; Tryptophan | 1995 |
Structural studies on folding intermediates of serine hydroxymethyltransferase using single tryptophan mutants.
Topics: Amino Acid Sequence; Apoenzymes; Base Sequence; Circular Dichroism; Escherichia coli; Glycine Hydroxymethyltransferase; Kinetics; Models, Structural; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligodeoxyribonucleotides; Phenylalanine; Point Mutation; Protein Conformation; Protein Folding; Recombinant Proteins; Spectrometry, Fluorescence; Tryptophan | 1996 |
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 |
Methotrexate resistance of mouse dihydrofolate reductase: effect of substitution of phenylalanine-31 by serine or tryptophan.
Topics: Animals; Crystallography, X-Ray; Folic Acid Antagonists; Kinetics; Methotrexate; Mice; Mutagenesis, Site-Directed; Phenylalanine; Serine; Tetrahydrofolate Dehydrogenase; Thermodynamics; Tryptophan | 1996 |
An RNA pocket for the planar aromatic side chains of phenylalanine and tryptophane.
Topics: Amino Acid Sequence; Animals; Base Sequence; Binding Sites; Cloning, Molecular; Humans; In Vitro Techniques; Molecular Sequence Data; Molecular Structure; Nucleic Acid Conformation; Phenylalanine; Protein Binding; Ribonucleoproteins; RNA; Thermodynamics; Tryptophan | 1995 |
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 |
[Immunoadsorption therapy on Fisher's syndrome--removal ability of anti-ganglioside antibodies by tryptophan-linked immunoadsorbent].
Topics: Adult; Autoantibodies; Cerebellar Ataxia; Female; Gangliosides; Gels; Humans; Immunosorbent Techniques; Ophthalmoplegia; Phenylalanine; Polyvinyl Alcohol; Reflex, Abnormal; Reflex, Stretch; Syndrome; Tryptophan | 1995 |
Contribution to activity of histidine-aromatic, amide-aromatic, and aromatic-aromatic interactions in the extended catalytic site of cysteine proteinases.
Topics: Amino Acid Sequence; Amino Acids; Base Sequence; Binding Sites; Cathepsins; Cloning, Molecular; Conserved Sequence; Cysteine Endopeptidases; Histidine; Humans; Kinetics; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligodeoxyribonucleotides; Papain; Phenylalanine; Point Mutation; Protein Conformation; Recombinant Proteins; Saccharomyces cerevisiae; Substrate Specificity; Tryptophan | 1996 |
Loss of transactivation and transrepression function, and not RPA binding, alters growth suppression by p53.
Topics: Amino Acid Sequence; Binding Sites; Cell Division; Cell Extracts; DNA-Binding Proteins; Genes, p53; Herpes Simplex Virus Protein Vmw65; Humans; Molecular Sequence Data; Mutation; Peptide Fragments; Phenylalanine; Replication Protein A; Transcription, Genetic; Transcriptional Activation; Tryptophan; Tumor Cells, Cultured; Tumor Suppressor Protein p53 | 1996 |
In vitro study on the removal of pemphigus antibody with immunoadsorption.
Topics: Antibodies; Dextran Sulfate; Humans; Immunosorbent Techniques; Pemphigus; Phenylalanine; Tryptophan | 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 |
[Removal ability of IgG anti-GQ1b antibody in immunoadsorption therapy for Fisher syndrome--comparison of the removal ability between tryptophane column and phenylalanine column].
Topics: Adult; Autoantibodies; Cerebellar Ataxia; Female; Gangliosides; Humans; Immunoglobulin G; Immunosorbent Techniques; Ophthalmoplegia; Phenylalanine; Polyradiculoneuropathy; Reflex, Abnormal; Syndrome; Tryptophan | 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 |
Characteristics of the uptake of 3,5,3'-triiodo-L-thyronine and L-thyroxine into red blood cells of rainbow trout (Oncorhynchus mykiss).
Topics: Animals; Endocytosis; Energy Metabolism; Erythrocytes; Ethylmaleimide; Iodine Radioisotopes; Leucine; Oncorhynchus mykiss; Phenylalanine; Protein Binding; Sodium; Thyroxine; Triiodothyronine; Tryptophan | 1996 |
Conformational effects in the p53 protein of mutations induced during chemical carcinogenesis: molecular dynamic and immunologic analyses.
Topics: Antibodies, Monoclonal; Carcinogens, Environmental; Crystallography, X-Ray; Enzyme-Linked Immunosorbent Assay; Epitopes; Humans; Immunohistochemistry; Liver; Models, Molecular; Mutagenesis; Phenylalanine; Protein Conformation; Protein Structure, Tertiary; Tryptophan; Tumor Suppressor Protein p53; Vinyl Chloride | 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 |
Structural modifications of the omega loop in human acetylcholinesterase.
Topics: Acetylcholinesterase; Allosteric Regulation; Amino Acid Sequence; Binding Sites; Cysteine; Humans; Hydrogen Bonding; Kinetics; Molecular Sequence Data; Mutagenesis, Insertional; Phenylalanine; Proline; Protein Conformation; Protein Structure, Secondary; Tryptophan | 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 |
Reduction of plasma fibrinogen, immunoglobulin G, and immunoglobulin M concentrations by immunoadsorption therapy with tryptophan and phenylalanine adsorbents.
Topics: Adult; Aged; Blood Proteins; Female; Fibrinogen; HLA Antigens; Humans; Immunoglobulin G; Immunoglobulin M; Immunosorbents; Kidney Failure, Chronic; Male; Middle Aged; Phenylalanine; Renal Dialysis; Tryptophan | 1996 |
Delirium after cardiac surgery. The possible role of tryptophan in relation to the other neutral aminoacids.
Topics: Adult; Affect; Age Factors; Aged; Aged, 80 and over; Amino Acids; Cardiac Surgical Procedures; Delirium; Female; Humans; Male; Middle Aged; Multivariate Analysis; Odds Ratio; Phenylalanine; Postoperative Complications; Prospective Studies; Tryptophan | 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 |
Investigation into the catalytic role for the tryptophan residues within domain III of Pseudomonas aeruginosa exotoxin A.
Topics: ADP Ribose Transferases; Bacterial Toxins; Binding Sites; Bromosuccinimide; Catalysis; Crystallography, X-Ray; Exotoxins; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; NAD; NAD+ Nucleosidase; Oxidation-Reduction; Phenylalanine; Pseudomonas aeruginosa; Pseudomonas aeruginosa Exotoxin A; Spectrometry, Fluorescence; Structure-Activity Relationship; Tryptophan; Virulence Factors | 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 |
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 |
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 |
Trp86 --> Phe replacement in bacteriorhodopsin affects a water molecule near Asp85 and light adaptation.
Topics: Aspartic Acid; Bacteriorhodopsins; Halobacterium; Light; Mutation; Phenylalanine; Photochemistry; Protein Binding; Retinaldehyde; Spectroscopy, Fourier Transform Infrared; Tryptophan; Water | 1997 |
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 |
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 |
The analysis of Merino wool cuticle and cortical cells by Fourier transform Raman spectroscopy.
Topics: Amino Acids; Animals; Fourier Analysis; Keratins; Microscopy, Electron, Scanning; Phenylalanine; Protein Conformation; Protein Structure, Secondary; Sheep; Spectrum Analysis, Raman; Tryptophan; Wool | 1997 |
A tryptophan-2-monooxygenase based amperometric biosensor for L-tryptophan determination: use of a competitive inhibitor as a tool for selectivity increase.
Topics: Biosensing Techniques; Mixed Function Oxygenases; Phenylalanine; Sensitivity and Specificity; Tryptophan | 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 role of Glu73 of barnase in catalysis and the binding of barstar.
Topics: Bacterial Proteins; Binding Sites; Enzyme Stability; Glutamic Acid; Guanosine Monophosphate; Models, Molecular; Mutation; Phenylalanine; Protein Conformation; Ribonucleases; RNA; Structure-Activity Relationship; Tryptophan | 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 |
beta-Methylation of the Phe7 and Trp9 melanotropin side chain pharmacophores affects ligand-receptor interactions and prolonged biological activity.
Topics: Animals; Humans; Ligands; Lizards; Melanocyte-Stimulating Hormones; Methylation; Models, Chemical; Models, Molecular; Phenylalanine; Rana pipiens; Receptors, Pituitary Hormone; Stereoisomerism; Structure-Activity Relationship; Tryptophan | 1997 |
Enantiomeric properties of human albumin immobilized on porous silica supports coated with polymethacryloyl chloride.
Topics: Affinity Labels; Buffers; Humans; Indicators and Reagents; Oxazepam; Phenylalanine; Polymethacrylic Acids; Porosity; Serum Albumin; Silicon Dioxide; Stereoisomerism; Tryptophan; Warfarin | 1997 |
Factors which stabilize the methylamine dehydrogenase-amicyanin electron transfer protein complex revealed by site-directed mutagenesis.
Topics: Amino Acid Sequence; Amino Acid Substitution; Arginine; Bacterial Proteins; Cloning, Molecular; Copper; Escherichia coli; Glutamic Acid; Indolequinones; Lysine; Metalloproteins; Models, Molecular; Mutagenesis, Site-Directed; Oxidoreductases Acting on CH-NH Group Donors; Paracoccus denitrificans; Phenylalanine; Protein Conformation; Quinones; Recombinant Proteins; Sequence Alignment; Sequence Homology, Amino Acid; Tryptophan | 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 |
Effects on mollicutes (wall-less bacteria) of synthetic peptides comprising a signal peptide or a membrane fusion peptide, and a nuclear localization sequence (NLS) -- a comparison with melittin.
Topics: Alligators and Crocodiles; Amino Acid Sequence; Amino Acid Substitution; Animals; Anti-Bacterial Agents; Anti-Infective Agents; Antigens, Viral, Tumor; Cell Wall; Circular Dichroism; HIV Envelope Protein gp41; HIV-1; Humans; Immunoglobulin G; Immunoglobulin Heavy Chains; Liposomes; Melitten; Micelles; Molecular Sequence Data; Nuclear Localization Signals; Peptides; Phenylalanine; Phosphatidylglycerols; Protein Conformation; Sequence Alignment; Simian virus 40; Spiroplasma; Structure-Activity Relationship; Tryptophan | 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 |
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 |
A conserved tryptophan in pneumolysin is a determinant of the characteristics of channels formed by pneumolysin in cells and planar lipid bilayers.
Topics: Animals; Bacterial Proteins; Carcinoma, Ehrlich Tumor; Complement Activation; Conserved Sequence; Erythrocytes; Hemolysis; Ion Channels; Lipid Bilayers; Mice; Mutagenesis, Site-Directed; Phenylalanine; Rabbits; Sheep; Streptolysins; Tryptophan; Tumor Cells, Cultured | 1998 |
Roles of G(o)alpha tryptophans in GTP hydrolysis, GDP release, and fluorescence signals.
Topics: Amino Acid Substitution; GTP-Binding Protein alpha Subunits, Gi-Go; GTP-Binding Proteins; Guanosine 5'-O-(3-Thiotriphosphate); Guanosine Diphosphate; Guanosine Triphosphate; Hydrolysis; Kinetics; Mutagenesis, Site-Directed; ortho-Aminobenzoates; Phenylalanine; Polymerase Chain Reaction; Spectrometry, Fluorescence; Tryptophan | 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 |
Specificity of alcohol dehydrogenases for sulfoxides.
Topics: Alanine; Alcohol Dehydrogenase; Amino Acid Substitution; Animals; Binding Sites; Enzyme Inhibitors; Horses; Humans; Isoenzymes; Models, Molecular; Mutation; Phenylalanine; Structure-Activity Relationship; Substrate Specificity; Sulfoxides; Tryptophan | 1998 |
Transient kinetic analysis of adenosine 5'-triphosphate binding-induced conformational changes in the allosteric chaperonin GroEL.
Topics: Adenosine Triphosphate; Allosteric Regulation; Chaperonin 60; Hydrolysis; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Spectrometry, Fluorescence; Tryptophan | 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 |
Single-tryptophan mutants of monomeric tryptophan repressor: optical spectroscopy reveals nonnative structure in a model for an early folding intermediate.
Topics: Bacterial Proteins; Circular Dichroism; Dimerization; Fluorescence Polarization; Models, Molecular; Mutagenesis, Site-Directed; Phenylalanine; Protein Folding; Protein Structure, Tertiary; Repressor Proteins; Spectrometry, Fluorescence; Thermodynamics; Tryptophan | 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 |
Active site modifications in a double mutant of liver alcohol dehydrogenase: structural studies of two enzyme-ligand complexes.
Topics: Alanine; Alcohol Dehydrogenase; Alcohol Oxidoreductases; Animals; Binding Sites; Coenzymes; Crystallography, X-Ray; Horses; Ligands; Liver; Models, Molecular; NAD; Niacinamide; Phenylalanine; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Valine | 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 |
Tryptophan requirement in young adult women as determined by indicator amino acid oxidation with L-[13C]phenylalanine.
Topics: Adult; Amino Acids; Carbon Dioxide; Carbon Isotopes; Female; Humans; Oxidation-Reduction; Phenylalanine; Tryptophan | 1998 |
Site-directed mutants of rat testis fructose 6-phosphate, 2-kinase/fructose 2,6-bisphosphatase: localization of conformational alterations induced by ligand binding.
Topics: Amino Acid Substitution; Animals; Fluorescence Polarization; Fructosediphosphates; Fructosephosphates; Ligands; Male; Multienzyme Complexes; Mutagenesis, Site-Directed; Phenylalanine; Phosphofructokinase-2; Phosphoric Monoester Hydrolases; Phosphotransferases; Protein Binding; Protein Conformation; Rats; Testis; Tryptophan | 1998 |
Environment- and sequence-dependent modulation of the double-stranded to single-stranded conformational transition of gramicidin A in membranes.
Topics: Amino Acid Sequence; Amino Acid Substitution; Cholestenes; Chromatography, High Pressure Liquid; Circular Dichroism; Dimerization; Enterococcus faecium; Fatty Acids, Unsaturated; Gramicidin; Lipid Bilayers; Microbial Sensitivity Tests; Molecular Sequence Data; Phenylalanine; Phosphatidylcholines; Protein Conformation; Spectrometry, Fluorescence; Tryptophan | 1998 |
O2 activation by non-heme diiron proteins: identification of a symmetric mu-1,2-peroxide in a mutant of ribonucleotide reductase.
Topics: Iron; Mutagenesis, Site-Directed; Oxidation-Reduction; Oxygen; Oxygen Isotopes; Peroxides; Phenylalanine; Ribonucleotide Reductases; Spectrum Analysis, Raman; Tryptophan | 1998 |
Smooth muscle myosin mutants containing a single tryptophan reveal molecular interactions at the actin-binding interface.
Topics: Actins; Amino Acid Sequence; Amino Acid Substitution; Animals; Binding Sites; Chickens; Cloning, Molecular; DNA, Complementary; Gizzard, Avian; Models, Molecular; Muscle, Skeletal; Muscle, Smooth; Mutagenesis, Site-Directed; Myosin Light Chains; Myosins; Phenylalanine; Protein Conformation; Protein Structure, Secondary; Sequence Deletion; Spectrometry, Fluorescence; Tryptophan | 1998 |
Two substrate interaction sites in lignin peroxidase revealed by site-directed mutagenesis.
Topics: Basidiomycota; Enzyme Stability; Glutamic Acid; Glycine; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Mutagenesis, Site-Directed; Oxidation-Reduction; Peroxidases; Phenylalanine; Protein Folding; Recombinant Proteins; Serine; Spectrophotometry; Substrate Specificity; Tryptophan | 1998 |
Identification of specific sites involved in ligand binding by photoaffinity labeling of the receptor for the urokinase-type plasminogen activator. Residues located at equivalent positions in uPAR domains I and III participate in the assembly of a composi
Topics: Amino Acid Sequence; Animals; Arginine; Azirines; Benzophenones; Binding Sites; CHO Cells; Cricetinae; Histidine; Humans; Hydrogen-Ion Concentration; Leucine; Ligands; Molecular Sequence Data; Oligopeptides; Phenylalanine; Photoaffinity Labels; Plasminogen Activators; Protein Structure, Tertiary; Receptors, Cell Surface; Receptors, Urokinase Plasminogen Activator; Tryptophan; Urokinase-Type Plasminogen Activator | 1998 |
L-tryptophan in maternal phenylketonuria.
Topics: Female; Humans; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Tryptophan; Tyrosine | 1998 |
The constituent tryptophans and bisANS as fluorescent probes of the active site and of a secondary binding site of stromelysin-1 (MMP-3).
Topics: Acrylamides; Anilino Naphthalenesulfonates; Binding Sites; Catalytic Domain; Fluorescence Polarization; Fluorescent Dyes; Hydroxamic Acids; Matrix Metalloproteinase 3; Matrix Metalloproteinase Inhibitors; Models, Chemical; Phenylalanine; Protease Inhibitors; Protein Binding; Pyrazines; Spectrometry, Fluorescence; Sulfonamides; Thiophenes; Tryptophan | 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 |
Mutagenesis studies of human red opsin: trp-281 is essential for proper folding and protein-retinal interactions.
Topics: Amino Acid Sequence; Animals; Biological Transport; COS Cells; Glycosylation; Humans; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Protein Folding; Recombinant Proteins; Retina; Retinal Pigments; Rod Opsins; Tryptophan | 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 |
Long-range effects on dynamics in a temperature-sensitive mutant of trp repressor.
Topics: Amides; Bacterial Proteins; Chymotrypsin; Leucine; Nuclear Magnetic Resonance, Biomolecular; Operator Regions, Genetic; Phenylalanine; Point Mutation; Protons; Repressor Proteins; Spectrometry, Fluorescence; Temperature; Tryptophan | 1999 |
EPR mapping of interactions between spin-labeled variants of human carbonic anhydrase II and GroEL: evidence for increased flexibility of the hydrophobic core by the interaction.
Topics: Amino Acid Substitution; Carbonic Anhydrases; Chaperonin 60; Cysteine; Electron Spin Resonance Spectroscopy; Enzyme Activation; Enzyme Stability; Escherichia coli; Hot Temperature; Humans; Models, Molecular; Peptide Fragments; Peptide Mapping; Phenylalanine; Protein Conformation; Protein Folding; Protein Structure, Secondary; Recombinant Proteins; Spin Labels; Tryptophan | 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 |
Functional roles of the conserved aromatic amino acid residues at position 108 (motif IV) and position 196 (motif VIII) in base flipping and catalysis by the N6-adenine DNA methyltransferase from Thermus aquaticus.
Topics: Amino Acid Sequence; Base Pair Mismatch; Catalysis; Conserved Sequence; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Phenylalanine; Polymerase Chain Reaction; Site-Specific DNA-Methyltransferase (Adenine-Specific); Taq Polymerase; Thermus; Tryptophan | 1999 |
Electron nuclear double resonance determined structures of enzyme reaction intermediates: structural evidence for substrate destabilization.
Topics: Binding Sites; Chymotrypsin; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Enzyme Inhibitors; Kinetics; Models, Molecular; Molecular Conformation; Phenylalanine; Spin Labels; Tryptophan | 1998 |
Thermal unfolding of chitosanase from Streptomyces sp. N174: role of tryptophan residues in the protein structure stabilization.
Topics: Calorimetry, Differential Scanning; Circular Dichroism; Glycoside Hydrolases; Mutation; Phenylalanine; Protein Conformation; Protein Folding; Spectrometry, Fluorescence; Streptomyces; Tryptophan; X-Ray Diffraction | 1999 |
Autophosphorylation dependent destabilization of the insulin receptor kinase domain: tryptophan-1175 reports changes in the catalytic cleft.
Topics: Amino Acid Substitution; Catalytic Domain; Enzyme Stability; Fluorescence Polarization; Guanidine; Humans; Models, Molecular; Peptide Fragments; Phenylalanine; Phosphorylation; Protein Denaturation; Protein Structure, Secondary; Receptor, Insulin; Spectrometry, Fluorescence; Thermodynamics; Tryptophan | 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 |
Probing the agonist domain of the nicotinic acetylcholine receptor by cysteine scanning mutagenesis reveals residues in proximity to the alpha-bungarotoxin binding site.
Topics: Acetylcholine; Animals; Bungarotoxins; Cysteine; Humans; Indicators and Reagents; Mesylates; Mice; Mutagenesis, Site-Directed; Nicotinic Agonists; Nicotinic Antagonists; Oxidation-Reduction; Peptide Fragments; Phenylalanine; Protein Binding; Receptors, Nicotinic; Torpedo; Tryptophan; Valine | 1999 |
Immusorba TR and Immusorba PH: basics of design and features of functions.
Topics: Acetylcholine; Adsorption; Antigen-Antibody Complex; Equipment Design; Gangliosides; Humans; Immunoglobulin G; Immunosorbent Techniques; Immunosorbents; Ligands; Myasthenia Gravis; Phenylalanine; Polyradiculoneuropathy; Polyvinyl Alcohol; Rheumatoid Factor; Tryptophan | 1998 |
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 |
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 |
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 |
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 |
Metal binding specificity in carbonic anhydrase is influenced by conserved hydrophobic core residues.
Topics: Amino Acids; Apoenzymes; Binding Sites; Carbonic Anhydrases; Cobalt; Conserved Sequence; Copper; Enzyme Stability; Histidine; Humans; Kinetics; Metalloproteins; Models, Molecular; Mutagenesis, Insertional; Phenylalanine; Protein Denaturation; Spectrum Analysis; Substrate Specificity; Tryptophan; Zinc | 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 |
Tryptophan residue(s) as major components of the human serum paraoxonase active site.
Topics: Acetates; Aryldialkylphosphatase; Binding Sites; Chlorpyrifos; Enzyme Inhibitors; Esterases; Fluorometry; Humans; Insecticides; Kinetics; Mutagenesis, Site-Directed; Nitrobenzenes; Organophosphorus Compounds; Phenylacetates; Phenylalanine; Terbium; Tryptophan | 1999 |
Effects of tryptophan to phenylalanine substitutions on the structure, stability, and enzyme activity of the IIAB(Man) subunit of the mannose transporter of Escherichia coli.
Topics: Amino Acid Substitution; Circular Dichroism; Enzyme Stability; Escherichia coli; Phenylalanine; Phosphoenolpyruvate Sugar Phosphotransferase System; Protein Denaturation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan | 1999 |
Role of axial ligands in the reactivity of Mn peroxidase from Phanerochaete chrysosporium.
Topics: Amino Acid Substitution; Aspartic Acid; Electrochemistry; Enzyme Stability; Kinetics; Ligands; Mutagenesis, Site-Directed; Peroxidases; Phanerochaete; Phenylalanine; Spectrophotometry; Tryptophan | 1999 |
The aromatic residues Trp and Phe have different effects on the positioning of a transmembrane helix in the microsomal membrane.
Topics: Bacterial Proteins; Biological Transport; Endoplasmic Reticulum; Glycosylation; Intracellular Membranes; Membrane Proteins; Microsomes; Peptide Mapping; Peptides; Phenylalanine; Protein Structure, Secondary; Serine Endopeptidases; Tryptophan | 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 |
Effects of substitution of tryptophan 412 in the substrate activation pathway of yeast pyruvate decarboxylase.
Topics: Alanine; Amino Acid Substitution; Apoenzymes; Binding Sites; Circular Dichroism; Enzyme Activation; Enzyme Stability; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Protein Structure, Tertiary; Pyruvate Decarboxylase; Recombinant Proteins; Saccharomyces cerevisiae; Spectrometry, Fluorescence; Substrate Specificity; Thiamine Pyrophosphate; Tryptophan | 1999 |
Minithioredoxin: a folded and functional peptide fragment of thioredoxin.
Topics: Anilino Naphthalenesulfonates; Circular Dichroism; Dithionitrobenzoic Acid; Dithiothreitol; Escherichia coli; Fluorescent Dyes; Hydrogen-Ion Concentration; Models, Molecular; Peptide Fragments; Phenylalanine; Protein Folding; Spectrometry, Fluorescence; Sulfhydryl Reagents; Thioredoxin-Disulfide Reductase; Thioredoxins; Tryptophan | 1999 |
Cation-pi interactions in structural biology.
Topics: Arginine; Cations; Histidine; Lysine; Models, Chemical; Models, Molecular; Phenylalanine; Protein Conformation; Proteins; Tryptophan; Tyrosine | 1999 |
Redesign of cytochrome c peroxidase into a manganese peroxidase: role of tryptophans in peroxidase activity.
Topics: Cytochrome-c Peroxidase; Fungal Proteins; Hydrogen-Ion Concentration; Kinetics; Mutagenesis, Site-Directed; Peroxidases; Phenylalanine; Protein Engineering; Recombinant Proteins; Saccharomyces cerevisiae; Spectrophotometry, Ultraviolet; Tryptophan | 1999 |
Conformational heterogeneity of the bacteriopheophytin electron acceptor HA in reaction centers from Rhodopseudomonas viridis revealed by Fourier transform infrared spectroscopy and site-directed mutagenesis.
Topics: Amino Acid Substitution; Benzoquinones; Deuterium Oxide; Electron Transport; Glutamic Acid; Glutamine; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Pheophytins; Photochemistry; Photosynthetic Reaction Center Complex Proteins; Protein Conformation; Protons; Rhodopseudomonas; Spectroscopy, Fourier Transform Infrared; Static Electricity; Tryptophan | 1999 |
Two invariant tryptophans on the alpha1 subunit define domains necessary for GABA(A) receptor assembly.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Cells, Cultured; GABA Agonists; Glycine; Molecular Sequence Data; Muscimol; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Rats; Receptors, GABA-A; Sequence Alignment; Spodoptera; Structure-Activity Relationship; Tryptophan | 1999 |
Recombinant hemoglobin(alpha 29leucine --> phenylalanine, alpha 96valine --> tryptophan, beta 108asparagine --> lysine) exhibits low oxygen affinity and high cooperativity combined with resistance to autoxidation.
Topics: Amino Acid Substitution; Asparagine; Carbon Monoxide; Electron Spin Resonance Spectroscopy; Heme; Hemoglobins; Humans; Kinetics; Leucine; Lysine; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Oxygen; Oxyhemoglobins; Phenylalanine; Protein Binding; Recombinant Proteins; Tryptophan; Valine | 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 |
Solution structure of neuromedin B by (1)H nuclear magnetic resonance spectroscopy.
Topics: Histidine; Magnetic Resonance Spectroscopy; Micelles; Models, Chemical; Models, Molecular; Neurokinin B; Phenylalanine; Protein Conformation; Protein Structure, Tertiary; Sodium Dodecyl Sulfate; Trifluoroethanol; Tryptophan | 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 |
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 |
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 |
Functional and conformational characterization of new mutants of heart fatty acid-binding protein.
Topics: Carrier Proteins; Cloning, Molecular; Fatty Acid-Binding Protein 7; Fatty Acid-Binding Proteins; Fatty Acids; Humans; Mutagenesis, Site-Directed; Myelin P2 Protein; Myocardium; Neoplasm Proteins; Nuclear Magnetic Resonance, Biomolecular; Oleic Acid; Phenylalanine; Protein Denaturation; Protein Structure, Quaternary; Recombinant Proteins; Sequence Analysis, DNA; Spectrometry, Fluorescence; Tryptophan; Tumor Suppressor Proteins; Urea | 1999 |
Role of the C-terminal helix 9 in the stability and ligandin function of class alpha glutathione transferase A1-1.
Topics: Acrylamide; Anilino Naphthalenesulfonates; Binding Sites; Enzyme Stability; Fluorescent Dyes; Glutathione Transferase; Humans; Isoenzymes; Kinetics; Ligands; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Sequence Deletion; Spectrometry, Fluorescence; Sulfobromophthalein; Tryptophan | 1999 |
Structural organization of the N-terminal domain of apolipoprotein A-I: studies of tryptophan mutants.
Topics: Amino Acid Substitution; Apolipoprotein A-I; Apolipoproteins A; Circular Dichroism; DNA, Complementary; Humans; Lipoproteins, HDL; Mutagenesis, Site-Directed; Phenylalanine; Protein Precursors; Protein Structure, Tertiary; Recombinant Proteins; Spectrometry, Fluorescence; Thermodynamics; Tryptophan | 1999 |
Haloalkane dehalogenases: structure of a Rhodococcus enzyme.
Topics: Amino Acid Sequence; Binding Sites; Crystallography, X-Ray; Evolution, Molecular; Hydrogen-Ion Concentration; Hydrolases; Molecular Sequence Data; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Rhodococcus; Sodium Iodide; Tryptophan; Xanthobacter | 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 |
Nucleic acid sequence discrimination by the HIV-1 nucleocapsid protein NCp7: a fluorescence study.
Topics: Amino Acid Sequence; Base Sequence; Binding Sites; Capsid; Capsid Proteins; Deoxyribonucleotides; gag Gene Products, Human Immunodeficiency Virus; Gene Products, gag; Guanine; HIV-1; Humans; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligonucleotides; Phenylalanine; Protein Binding; RNA, Viral; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan; Viral Proteins; Virus Assembly | 1999 |
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 |
Modulating the midpoint potential of the [4Fe-4S] cluster of the nitrogenase Fe protein.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Amino Acid Substitution; Bacterial Proteins; Crystallography, X-Ray; Iron-Sulfur Proteins; Models, Molecular; Nitrogenase; Oxidoreductases; Phenylalanine; Tryptophan | 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 |
Probes of a role for remote binding interactions on hydrogen tunneling in the horse liver alcohol dehydrogenase reaction.
Topics: Alcohol Dehydrogenase; Amino Acid Substitution; Animals; Binding Sites; Deuterium; Horses; Hydrogen; Isoleucine; Kinetics; Liver; Mutagenesis, Site-Directed; Phenylalanine; Recombinant Proteins; Tritium; Tryptophan | 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 |
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 |
The spatial orientation of the essential amino acid residues arginine and aspartate within the alpha1beta1 integrin recognition site of collagen IV has been resolved using fluorescence resonance energy transfer.
Topics: Amino Acid Sequence; Arginine; Aspartic Acid; Binding Sites; Biopolymers; Circular Dichroism; Collagen; Disulfides; Fluorescence Polarization; Humans; Integrin alpha1beta1; Integrins; Models, Molecular; Molecular Sequence Data; Nitrates; Oxygen; Phenylalanine; Protein Conformation; Sequence Alignment; Spectrometry, Fluorescence; Tryptophan | 2000 |
Enhancement of the specificity of an enzyme-based biosensor for L-tryptophan.
Topics: Biosensing Techniques; Electrochemistry; Enzymes, Immobilized; Escherichia coli; Kinetics; Phenylalanine; Pseudomonas; Recombinant Proteins; Sensitivity and Specificity; Tryptophan; Tryptophan Hydroxylase | 1999 |
Effects of single-tryptophan mutations on R67 dihydrofolate reductase.
Topics: Binding Sites; Chromatography, Gel; Circular Dichroism; Energy Transfer; Hydrogen-Ion Concentration; Kinetics; Mutagenesis, Site-Directed; NADP; Phenylalanine; Protein Folding; Quantum Theory; R Factors; Spectrometry, Fluorescence; Tetrahydrofolate Dehydrogenase; Tryptophan | 2000 |
The orientation of helix 4 in apolipoprotein A-I-containing reconstituted high density lipoproteins.
Topics: Amino Acid Sequence; Amino Acid Substitution; Apolipoprotein A-I; Apolipoproteins A; Humans; Lipid Bilayers; Lipoproteins, HDL; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Phosphatidylcholines; Protein Precursors; Protein Structure, Secondary; Sphingomyelins; Tryptophan | 2000 |
Alanine mutagenesis of high-mobility-group-protein-1 box B (HMG1-B).
Topics: Alanine; Amino Acid Motifs; Amino Acid Sequence; Amino Acid Substitution; Animals; Carrier Proteins; Circular Dichroism; DNA; DNA-Binding Proteins; Fluorescence; Guanidine; High Mobility Group Proteins; HMGB1 Protein; Models, Molecular; Molecular Sequence Data; Mutation; Phenylalanine; Protein Binding; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Rats; Temperature; Thermodynamics; Tryptophan | 2000 |
L-amino acid sensing by the extracellular Ca2+-sensing receptor.
Topics: Amino Acids; Calcium; Cell Line; Cloning, Molecular; Fura-2; Gadolinium; Humans; Kidney; Kinetics; Phenylalanine; Receptors, Calcium-Sensing; Receptors, Cell Surface; Recombinant Proteins; Spermine; Tryptophan | 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 |
Modulation of the activities of catalase-peroxidase HPI of Escherichia coli by site-directed mutagenesis.
Topics: Amino Acid Substitution; Bacterial Proteins; Binding Sites; Catalase; Catalysis; Electron Spin Resonance Spectroscopy; Enzyme Activation; Enzyme Inhibitors; Escherichia coli; Escherichia coli Proteins; Heme; Leucine; Mass Spectrometry; Mutagenesis, Site-Directed; Peroxidases; Phenylalanine; Recombinant Proteins; Substrate Specificity; Tryptophan | 2000 |
Large neutral amino acid changes and delirium in febrile elderly medical patients.
Topics: Aged; Aged, 80 and over; Amino Acids; Chromatography, High Pressure Liquid; Delirium; Female; Fever; Frail Elderly; Humans; Linear Models; Male; Phenylalanine; Prospective Studies; Tryptophan | 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 |
Fluorescence quenching studies of Trp repressor-operator interaction.
Topics: Amino Acid Substitution; Bacterial Proteins; DNA; Escherichia coli; Fluorescence; Phenylalanine; Repressor Proteins; Tryptophan | 1999 |
Aromatic residues and neighboring Arg414 in the (6R)-5,6,7, 8-tetrahydro-L-biopterin binding site of full-length neuronal nitric-oxide synthase are crucial in catalysis and heme reduction with NADPH.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Arginine; Binding Sites; Biopterins; Catalysis; Dimerization; Drosophila; Glutamine; Heme; Humans; Hydrogen Bonding; Leucine; Mice; Models, Molecular; Molecular Sequence Data; NADP; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Oxidation-Reduction; Phenylalanine; Rats; Spectrophotometry, Atomic; Structure-Activity Relationship; Tryptophan | 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 |
Characterization of an alkaline transition intermediate stabilized in the Phe82Trp variant of yeast iso-1-cytochrome c.
Topics: Amino Acid Substitution; Cytochrome c Group; Cytochromes c; Electrochemistry; Electron Spin Resonance Spectroscopy; Enzyme Stability; Fungal Proteins; Heme; Hydrogen-Ion Concentration; Iron; Kinetics; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Phenylalanine; Protein Conformation; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Spectrum Analysis, Raman; Structure-Activity Relationship; Tryptophan | 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 |
Characterization of the binding site on the formyl peptide receptor using three receptor mutants and analogs of Met-Leu-Phe and Met-Met-Trp-Leu-Leu.
Topics: Alanine; Animals; Anti-HIV Agents; Arginine; Asparagine; Aspartic Acid; Binding Sites; Chemotaxis; CHO Cells; Cricetinae; Dose-Response Relationship, Drug; Enfuvirtide; Guanosine 5'-O-(3-Thiotriphosphate); HIV Envelope Protein gp41; Humans; Kinetics; Leucine; Ligands; Methionine; Models, Chemical; Mutagenesis, Site-Directed; Mutation; Peptide Biosynthesis; Peptide Fragments; Phenylalanine; Protein Binding; Receptors, Formyl Peptide; Receptors, Immunologic; Receptors, Peptide; Sodium; Tryptophan | 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 |
Diphtheria toxin NAD affinity and ADP ribosyltransferase activity are reduced at tryptophan 153 substitutions for alanine or phenylalanine.
Topics: Adenosine Diphosphate Ribose; Alanine; Amino Acid Substitution; Diphtheria Toxin; Mutagenesis, Site-Directed; NAD; Peptide Fragments; Phenylalanine; Poly(ADP-ribose) Polymerases; Temperature; Tryptophan | 2000 |
Structural influence of hydrophobic core residues on metal binding and specificity in carbonic anhydrase II.
Topics: Amino Acid Substitution; Amino Acids; Binding Sites; Carbonic Anhydrases; Cobalt; Copper; Crystallography, X-Ray; Humans; Leucine; Metals, Heavy; Methionine; Phenylalanine; Serine; Structure-Activity Relationship; Substrate Specificity; Tryptophan; Valine; Zinc | 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 |
Acid pairs increase the N-terminal Ca2+ affinity of CaM by increasing the rate of Ca2+ association.
Topics: Animals; Binding Sites; Calcium; Calmodulin; EF Hand Motifs; Kinetics; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Protein Binding; Reproducibility of Results; Spectrometry, Fluorescence; Tryptophan | 2000 |
Trp203 mutation in GroEL promotes a self-association reaction: a hydrodynamic study.
Topics: Amino Acid Substitution; Chaperonin 60; Dimerization; Escherichia coli; Models, Molecular; Phenylalanine; Point Mutation; Protein Conformation; Software; Tryptophan | 2000 |
Serotonergic markers and lowered plasma branched-chain-amino acid concentrations in fibromyalgia.
Topics: Adult; Amino Acids, Branched-Chain; Biomarkers; Case-Control Studies; Female; Fibromyalgia; Humans; Isoleucine; Leucine; Male; Middle Aged; Paroxetine; Phenylalanine; Selective Serotonin Reuptake Inhibitors; Tryptophan; Valine | 2000 |
Different transporters for tri-iodothyronine (T(3)) and thyroxine (T(4)) in the human choriocarcinoma cell line, JAR.
Topics: Analysis of Variance; Biological Transport; Calcium Channel Blockers; Choriocarcinoma; Cyclooxygenase Inhibitors; Diazepam; Female; GABA Modulators; Humans; Iodine Radioisotopes; Leucine; Meclofenamic Acid; Mefenamic Acid; Nifedipine; Nitrendipine; Phenylalanine; Phenytoin; Thyroxine; Triiodothyronine; Tryptophan; Tumor Cells, Cultured; Uterine Neoplasms; Verapamil | 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 |
An in vivo study of ovine placental transport of essential amino acids.
Topics: Amino Acids; Animals; Female; Histidine; Isoleucine; Leucine; Lysine; Methionine; Oxygen Consumption; Phenylalanine; Placenta; Placental Circulation; Pregnancy; Sheep; Threonine; Tryptophan; Umbilical Arteries; Umbilical Veins; Valine | 2001 |
Prostaglandin endoperoxide H synthase-1: the functions of cyclooxygenase active site residues in the binding, positioning, and oxygenation of arachidonic acid.
Topics: Amino Acids; Animals; Arachidonic Acid; Binding Sites; Blotting, Western; Catalysis; Cell Membrane; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; COS Cells; Cyclooxygenase 1; DNA Mutational Analysis; Dose-Response Relationship, Drug; Esters; Hydrogen; Isoenzymes; Kinetics; Leucine; Methionine; Models, Biological; Models, Chemical; Oxygen; Peroxidase; Phenylalanine; Prostaglandin-Endoperoxide Synthases; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Sheep; Time Factors; Transfection; Tryptophan | 2001 |
Possible role of two phenylalanine residues in the active site of human cytidine deaminase.
Topics: Binding Sites; Circular Dichroism; Cloning, Molecular; Cytidine Deaminase; Enzyme Stability; Escherichia coli; Fluorescence; Humans; Kinetics; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Pyrimidine Nucleosides; Tryptophan | 2000 |
Hydrophobic clustering in acid-denatured IL-2 and fluorescence of a Trp NH-pi H-bond.
Topics: Acids; Humans; Hydrogen Bonding; Interleukin-2; Models, Molecular; Phenylalanine; Protein Denaturation; Spectrometry, Fluorescence; Tryptophan | 2000 |
Molecular engineering of myoglobin: the improvement of oxidation activity by replacing Phe-43 with tryptophan.
Topics: Amino Acid Substitution; Animals; Chlorobenzoates; Electron Transport; Histidine; Leucine; Mass Spectrometry; Mutagenesis, Site-Directed; Myoglobin; Oxidants; Oxidation-Reduction; Peroxidase; Phenylalanine; Reducing Agents; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Spectrophotometry; Sulfides; Tryptophan; Whales | 2001 |
A comparison of kinetic and regulatory properties of the tetrameric and dimeric forms of wild-type and Thr427-->Pro mutant human phenylalanine hydroxylase: contribution of the flexible hinge region Asp425-Gln429 to the tetramerization and cooperative subs
Topics: Enzyme Stability; Escherichia coli; Humans; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Phenylalanine Hydroxylase; Phenylketonurias; Protein Structure, Quaternary; Recombinant Proteins; Spectrometry, Fluorescence; Transfection; Trypsin; Tryptophan | 2001 |
Equilibrium binding studies of a tryptophan-shifted mutant of phosphofructokinase from Bacillus stearothermophilus.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Allosteric Regulation; Binding, Competitive; Enzyme Inhibitors; Geobacillus stearothermophilus; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Phosphoenolpyruvate; Phosphofructokinase-1; Protein Binding; Protein Conformation; Temperature; Thermodynamics; Tryptophan | 2001 |
Modifying Mg2+ binding and exchange with the N-terminal of calmodulin.
Topics: Amino Acid Substitution; Animals; Binding Sites; Calmodulin; EF Hand Motifs; Kinetics; Magnesium; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Rats; Recombinant Proteins; Spectrometry, Fluorescence; Tryptophan | 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 |
The dynamics of the relay loop tryptophan residue in the Dictyostelium myosin motor domain and the origin of spectroscopic signals.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Animals; Anisotropy; Cloning, Molecular; Dictyostelium; Kinetics; Models, Chemical; Myosins; Phenylalanine; Protein Structure, Tertiary; Spectrometry, Fluorescence; Spectrophotometry; Time Factors; Tryptophan | 2001 |
Hierarchical folding of intestinal fatty acid binding protein.
Topics: Amino Acid Substitution; Animals; Carrier Proteins; Fatty Acid-Binding Protein 7; Fatty Acid-Binding Proteins; Kinetics; Mutagenesis, Site-Directed; Neoplasm Proteins; Nerve Tissue Proteins; Phenylalanine; Protein Denaturation; Protein Folding; Rats; Recombinant Proteins; Spectrometry, Fluorescence; Tryptophan; Urea | 2001 |
The C-terminus of glutathione S-transferase A1-1 is required for entropically-driven ligand binding.
Topics: Animals; Calorimetry; Entropy; Glutathione Transferase; Humans; Isoenzymes; Kinetics; Ligands; Mutagenesis, Site-Directed; Peptide Fragments; Phenylalanine; Protein Binding; Rats; Temperature; Thermodynamics; Tryptophan | 2001 |
Intrinsic fluorescence changes and rapid kinetics of proteinase deformation during serpin inhibition.
Topics: alpha 1-Antitrypsin; Kinetics; Phenylalanine; Serine Proteinase Inhibitors; Serpins; Spectrometry, Fluorescence; Structure-Activity Relationship; Time Factors; Tryptophan | 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 |
Structural consequences of cyclophilin A binding on maturational refolding in human immunodeficiency virus type 1 capsid protein.
Topics: Animals; Capsid; Chlorocebus aethiops; COS Cells; Cyclophilin A; Cysteine; Gene Products, gag; HIV-1; Humans; Mutagenesis; Peptides; Phenylalanine; Precipitin Tests; Protein Conformation; Protein Folding; Protein Precursors; Recombinant Fusion Proteins; Sulfhydryl Compounds; Tryptophan | 2001 |
Resonance energy transfer between tryptophan 57 in the epsilon subunit and pyrene maleimide labeled gamma subunit of the chloroplast ATP synthase.
Topics: ATPase Inhibitory Protein; Chloroplasts; Cysteine; DNA Mutational Analysis; Energy Transfer; Escherichia coli; Fluorescent Dyes; Kinetics; Maleimides; Phenylalanine; Proteins; Proton-Translocating ATPases; Spectrometry, Fluorescence; Spinacia oleracea; Sulfhydryl Reagents; Tryptophan | 2001 |
Lipid and signal peptide-induced conformational changes within the C-domain of Escherichia coli SecA protein.
Topics: Adenosine Triphosphatases; Amino Acid Substitution; Bacterial Proteins; Biological Transport; Carrier Proteins; Escherichia coli; Escherichia coli Proteins; Ligands; Lipid Bilayers; Membrane Transport Proteins; Mutagenesis, Site-Directed; Phenylalanine; Phospholipids; Protein Conformation; Protein Sorting Signals; Protein Structure, Tertiary; SEC Translocation Channels; SecA Proteins; Solvents; Spectrometry, Fluorescence; Temperature; Tryptophan | 2001 |
Probes of hydrogen tunneling with horse liver alcohol dehydrogenase at subzero temperatures.
Topics: Acetonitriles; Alcohol Dehydrogenase; Amino Acid Substitution; Animals; Binding, Competitive; Deuterium; Dimethyl Sulfoxide; Dimethylformamide; Ethylene Glycol; Freezing; Horses; Hydrogen; Kinetics; Liver; Methanol; Phenylalanine; Propranolol; Protons; Solvents; Tryptophan | 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 |
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 |
Structure and dynamics of the alpha-lactalbumin molten globule: fluorescence studies using proteins containing a single tryptophan residue.
Topics: Amino Acid Substitution; Circular Dichroism; Fluorescence Polarization; Humans; Lactalbumin; Mutagenesis, Site-Directed; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Solvents; Spectrometry, Fluorescence; Structure-Activity Relationship; Thermodynamics; Tryptophan; Urea | 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 |
Critical implication of transmembrane Phe310, possibly in conjunction with Trp279, in the rat gonadotropin-releasing hormone receptor activation.
Topics: Amino Acid Sequence; Animals; CHO Cells; Cricetinae; Humans; Membrane Proteins; Models, Molecular; Molecular Sequence Data; Phenylalanine; Protein Conformation; Rats; Receptors, LHRH; Sequence Homology, Amino Acid; Tryptophan | 2001 |
Characterization of an NH-pi interaction in Co(III) ternary complexes with aromatic amino acids.
Topics: Amines; Amino Acids; Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Cobalt; Crystallography, X-Ray; Hydrogen Bonding; Magnetic Resonance Spectroscopy; Models, Chemical; Molecular Structure; Organometallic Compounds; Phenylalanine; Stereoisomerism; Tryptophan | 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 |
Phenylalanine and tryptophan scanning mutagenesis of CYP3A4 substrate recognition site residues and effect on substrate oxidation and cooperativity.
Topics: Amino Acid Sequence; Amino Acid Substitution; Base Sequence; Binding Sites; Cloning, Molecular; Cytochrome P-450 CYP3A; Cytochrome P-450 Enzyme System; DNA Primers; Escherichia coli; Humans; Kinetics; Liver; Mixed Function Oxygenases; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Progesterone; Protein Conformation; Recombinant Proteins; Substrate Specificity; Tryptophan | 2001 |
Effects of stress factors, bioregulators, and synthetic precursors on indole alkaloid production in compact callus clusters cultures of Catharanthus roseus.
Topics: Acyclic Monoterpenes; Alkaloids; Biomass; Catharanthus; Cells, Cultured; Culture Media; Mannitol; Phenobarbital; Phenylalanine; Plant Stems; Potassium Chloride; Quaternary Ammonium Compounds; Secologanin Tryptamine Alkaloids; Succinic Acid; Terpenes; Tryptamines; Tryptophan; Vinca Alkaloids; Yohimbine | 2001 |
Simultaneous concentration and purification through gradient deformation chromatography.
Topics: Acetonitriles; Adsorption; Chromatography, Liquid; Mathematics; Models, Chemical; Nonlinear Dynamics; Phenylalanine; Time Factors; Tryptophan; Water | 1995 |
A structural role for tryptophan 188 of inducible nitric oxide synthase.
Topics: Amino Acid Substitution; Animals; Circular Dichroism; Heme; Mice; Mutagenesis, Site-Directed; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Nitric Oxide Synthase Type II; Phenylalanine; Protein Conformation; Spectrophotometry, Ultraviolet; Tryptophan | 2001 |
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 |
Catalase-peroxidase from synechocystis is capable of chlorination and bromination reactions.
Topics: Alanine; Bacterial Proteins; Bromine; Catalase; Chlorine; Cyanobacteria; Electrons; Escherichia coli Proteins; Hydrogen Peroxide; Hydrogen-Ion Concentration; Iodine; Models, Chemical; Mutagenesis, Site-Directed; Peroxidase; Peroxidases; Phenylalanine; Protein Binding; Recombinant Proteins; Time Factors; Tryptophan | 2001 |
Phe71 is essential for chaperone-like function in alpha A-crystallin.
Topics: Amino Acid Sequence; Anilino Naphthalenesulfonates; Animals; Circular Dichroism; Citrate (si)-Synthase; Cloning, Molecular; Crystallins; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Fluorescent Dyes; Insulin; Molecular Chaperones; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Protein Denaturation; Protein Structure, Secondary; Protein Structure, Tertiary; Rats; Recombinant Fusion Proteins; Recombinant Proteins; Spectrometry, Fluorescence; Temperature; Time Factors; Tryptophan; Ultraviolet Rays | 2001 |
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 |
Crystallization and preliminary X-ray studies of Trp138Phe/Val185Thr xylose isomerases from Thermotoga neapolitana and Thermoanaerobacterium thermosulfurigenes.
Topics: Aldose-Ketose Isomerases; Amino Acid Substitution; Bacillus; Crystallization; Crystallography, X-Ray; Gram-Negative Aerobic Bacteria; Phenylalanine; Protein Conformation; Threonine; Tryptophan; Valine | 2001 |
Characterization and biological activities of Chenopodium leaf hemagglutinin (CLH).
Topics: Amino Acids; Animals; Aspartic Acid; Cell Aggregation; Chenopodium; Dose-Response Relationship, Drug; Erythrocytes; Glutamic Acid; Glycine; Hemagglutinins; Lysine; Methionine; Mice; Phenylalanine; Plant Leaves; Rabbits; Rats; Spleen; Thymus Gland; Tryptophan | 2001 |
Probing the conformational change of Escherichia coli undecaprenyl pyrophosphate synthase during catalysis using an inhibitor and tryptophan mutants.
Topics: Alkyl and Aryl Transferases; Binding Sites; Carbon; Catalysis; Chromatography, High Pressure Liquid; Diphosphates; Dose-Response Relationship, Drug; Escherichia coli; Inhibitory Concentration 50; Kinetics; Magnetic Resonance Spectroscopy; Models, Chemical; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Protein Binding; Protein Conformation; Spectrometry, Fluorescence; Time Factors; Tryptophan | 2002 |
Conformation of the substrate and pterin cofactor bound to human tryptophan hydroxylase. Important role of Phe313 in substrate specificity.
Topics: Binding Sites; Biopterins; Humans; Iron; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Protein Binding; Protein Conformation; Protons; Recombinant Proteins; Substrate Specificity; Thermodynamics; Tryptophan; Tryptophan Hydroxylase | 2001 |
Hydroxyl radical probe of protein surfaces using synchrotron X-ray radiolysis and mass spectrometry.
Topics: Amino Acids; Biophysics; Dose-Response Relationship, Drug; Hydroxyl Radical; Mass Spectrometry; Methionine; Models, Chemical; Models, Molecular; Muramidase; Oxygen; Peptides; Phenylalanine; Protein Binding; Proteins; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Time Factors; Trypsin; Tryptophan; X-Rays | 2002 |
Role of residue 147 in the gene regulatory function of the Escherichia coli purine repressor.
Topics: Alanine; Allosteric Site; Arginine; Bacterial Proteins; Crystallography, X-Ray; DNA; Escherichia coli; Escherichia coli Proteins; Hypoxanthine; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Repressor Proteins; Tryptophan | 2002 |
Cross-adaptation and bitterness inhibition of L-tryptophan, L-phenylalanine and urea: further support for shared peripheral physiology.
Topics: Adaptation, Physiological; Adult; Dose-Response Relationship, Drug; Female; Humans; Male; Middle Aged; Phenylalanine; Taste; Taste Threshold; Tryptophan; Urea | 2002 |
Regioselective and stereoselective nucleophilic ring opening reactions of a phenyl-substituted aziridine: enantioselective synthesis of beta-substituted tryptophan, cysteine, and serine derivatives.
Topics: Amino Acids; Aziridines; Benzene Derivatives; Catalysis; Chromatography, Thin Layer; Cyclization; Cysteine; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Structure; Phenylalanine; Serine; Stereoisomerism; Tryptophan | 2002 |
The serotonin binding site of human and murine 5-HT2B receptors: molecular modeling and site-directed mutagenesis.
Topics: Amino Acid Sequence; Animals; Aspartic Acid; Binding Sites; Cell Membrane; Humans; Hydrogen-Ion Concentration; Kinetics; Ligands; Mice; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Point Mutation; Protein Binding; Protein Structure, Tertiary; Receptor, Serotonin, 5-HT2B; Receptors, Serotonin; Sequence Homology, Amino Acid; Serine; Transfection; Tryptophan | 2002 |
Role of tryptophan residues in interfacial binding of phosphatidylinositol-specific phospholipase C.
Topics: Bacterial Proteins; Circular Dichroism; Dose-Response Relationship, Drug; Isoleucine; Kinetics; Models, Molecular; Mutation; Phenylalanine; Phosphatidylinositol Diacylglycerol-Lyase; Phosphoinositide Phospholipase C; Protein Binding; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Type C Phospholipases | 2002 |
Cation-pi interaction in model alpha-helical peptides.
Topics: Amino Acid Sequence; Arginine; Cations; Circular Dichroism; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Oligopeptides; Phenylalanine; Protein Structure, Secondary; Thermodynamics; Tryptophan | 2002 |
Cyclomaltodextrinase, neopullulanase, and maltogenic amylase are nearly indistinguishable from each other.
Topics: Amino Acid Sequence; Bacillus; Binding Sites; Catalysis; Cloning, Molecular; Crystallography, X-Ray; Dextrins; Dimerization; Glycoside Hydrolases; Hydrogen-Ion Concentration; Kinetics; Models, Molecular; Molecular Sequence Data; Mutation; Phenylalanine; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Substrate Specificity; Thermus; Time Factors; Tryptophan | 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 |
Cations affect the rate of gating charge recovery in wild-type and W434F Shaker channels through a variety of mechanisms.
Topics: Amino Acid Substitution; Animals; Barium; Cations, Divalent; Cations, Monovalent; Electric Conductivity; Female; Ion Channel Gating; Oocytes; Phenylalanine; Point Mutation; Potassium Channels; Shaker Superfamily of Potassium Channels; Tryptophan; Xenopus laevis | 2002 |
Differential destabilization of membranes by tryptophan and phenylalanine during freezing: the roles of lipid composition and membrane fusion.
Topics: Daunorubicin; Diglycerides; Freezing; Galactolipids; Glycolipids; Intracellular Membranes; Liposomes; Membrane Fusion; Membrane Lipids; Permeability; Phenylalanine; Phosphatidylcholines; Thylakoids; Tryptophan | 2002 |
A highly conserved tryptophane residue indispensable for cloned rat neuronal P2X receptor activation.
Topics: Adenosine Triphosphate; Amino Acid Sequence; Animals; Cells, Cultured; Clone Cells; Dose-Response Relationship, Drug; Female; Gene Expression Regulation; Ion Channels; Membrane Potentials; Molecular Sequence Data; Molecular Structure; Mutagenesis, Site-Directed; Mutation; Nervous System; Neurons; Oocytes; Phenylalanine; Protein Structure, Tertiary; Rats; Receptors, Purinergic P2; Receptors, Purinergic P2X; Synaptic Transmission; Tryptophan; Xenopus laevis | 2002 |
Amino acids and Ca2+ stimulate different patterns of Ca2+ oscillations through the Ca2+-sensing receptor.
Topics: Amino Acids; Biological Clocks; Boron Compounds; Calcium; Calcium Channels; Calcium Signaling; Cell Line; Dose-Response Relationship, Drug; Enzyme Inhibitors; Fluorescent Dyes; Fura-2; Humans; Inositol 1,4,5-Trisphosphate Receptors; Intracellular Fluid; Kidney; Phenylalanine; Protein Kinase C; Receptors, Calcium-Sensing; Receptors, Cell Surface; Receptors, Cytoplasmic and Nuclear; Transfection; Tryptophan | 2002 |
The N-terminal domain of the reticulocyte-type 15-lipoxygenase is not essential for enzymatic activity but contains determinants for membrane binding.
Topics: Animals; Arachidonate 15-Lipoxygenase; Arachidonic Acid; Catalytic Domain; Cell Membrane; Chromatography, High Pressure Liquid; DNA, Complementary; Escherichia coli; Fatty Acids; Kinetics; Leucine; Models, Molecular; Mutagenesis, Site-Directed; Oxygen; Oxygenases; Phenylalanine; Point Mutation; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Rabbits; Reticulocytes; Substrate Specificity; Time Factors; Tryptophan | 2002 |
Changes in hydrogen bonding and environment of tryptophan residues on helix F of bacteriorhodopsin during the photocycle: a time-resolved ultraviolet resonance Raman study.
Topics: Bacteriorhodopsins; Cytoplasm; Halobacterium salinarum; Hydrogen Bonding; Light; Mutagenesis, Site-Directed; Phenylalanine; Protein Structure, Secondary; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan | 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 |
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 |
Effect of amino acids on thaxtomin A biosynthesis by Streptomyces scabies.
Topics: Bacterial Toxins; Indoles; Phenylalanine; Piperazines; Plant Diseases; Streptomyces; Tryptophan | 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 |
Inter-subunit cross-linking of methylamine dehydrogenase by cyclopropylamine requires residue alphaPhe55.
Topics: Cross-Linking Reagents; Cyclopropanes; Indolequinones; Oxidoreductases Acting on CH-NH Group Donors; Paracoccus denitrificans; Phenylalanine; Point Mutation; Protein Subunits; Quinones; Tryptophan | 2002 |
Improving separation efficiency of capillary zone electrophoresis of tryptophan and phenylalanine with the transient moving chemical reaction boundary method.
Topics: Electrophoresis, Capillary; Phenylalanine; Tryptophan | 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 |
RET and anisotropy measurements establish the proximity of the conserved Trp17 to Ile98 and Phe99 of tear lipocalin.
Topics: Amino Acid Sequence; Carrier Proteins; Circular Dichroism; Cloning, Molecular; Conserved Sequence; Cysteine Proteinase Inhibitors; Electron Spin Resonance Spectroscopy; Escherichia coli; Humans; Isoleucine; Lipocalin 1; Models, Molecular; Mutagenesis, Site-Directed; Phenylalanine; Protein Structure, Secondary; Recombinant Proteins; Spectrophotometry, Ultraviolet; Spectroscopy, Fourier Transform Infrared; Tryptophan | 2002 |
Multistep binding of transition metals to the H-N-H endonuclease toxin colicin E9.
Topics: Bacterial Toxins; Binding Sites; Cations, Divalent; Cobalt; Colicins; Copper; Deoxyribonucleases; Kinetics; Metals, Heavy; Mutagenesis, Site-Directed; Nickel; Phenylalanine; Protein Conformation; Spectrometry, Fluorescence; Tryptophan; Zinc; Zinc Fingers | 2002 |
Isolation, purification, and biochemical characterization of a novel water soluble protein from Inca peanut (Plukenetia volubilis L.).
Topics: Amino Acid Sequence; Amino Acids, Essential; Dimerization; Electrophoresis, Polyacrylamide Gel; Endopeptidases; Hot Temperature; Molecular Sequence Data; Molecular Weight; Phenylalanine; Plant Proteins; Protein Denaturation; Seeds; Tryptophan; Water | 2002 |
Stacking ionizable analytes in a sample matrix with high salt by a transient moving chemical reaction boundary method in capillary zone electrophoresis.
Topics: Amino Acids; Electrophoresis, Capillary; Phenylalanine; Salts; Tryptophan | 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 |
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 |
Enantioselective crystallization of D,L-amino acids induced by spontaneous asymmetric resolution of D,L-asparagine.
Topics: Asparagine; Crystallization; Oxidation-Reduction; Phenylalanine; Stereoisomerism; Tryptophan | 2001 |
Substrate-induced conformational transition in human phenylalanine hydroxylase as studied by surface plasmon resonance analyses: the effect of terminal deletions, substrate analogues and phosphorylation.
Topics: Alanine; Catalytic Domain; Cyclic AMP-Dependent Protein Kinases; Humans; Phenylalanine; Phenylalanine Hydroxylase; Phosphorylation; Protein Conformation; Sequence Deletion; Serine; Spectrometry, Fluorescence; Surface Plasmon Resonance; Tryptophan | 2003 |
Physicochemical characterisation of the two active site mutants Trp(52)-->Phe and Asp(55)-->Val of glucoamylase from Aspergillus niger.
Topics: Amino Acid Substitution; Aspartic Acid; Aspergillus niger; Binding Sites; Calorimetry; Glucan 1,4-alpha-Glucosidase; Glucans; Guanidine; Kinetics; Maltose; Mutation; Phenylalanine; Protein Conformation; Protein Denaturation; Sequence Deletion; Substrate Specificity; Tryptophan; Valine | 2002 |
Halide-stabilizing residues of haloalkane dehalogenases studied by quantum mechanic calculations and site-directed mutagenesis.
Topics: Amino Acids; Anions; Asparagine; Glutamic Acid; Halogens; Histidine; Hydrolases; Isoleucine; Leucine; Mathematical Computing; Models, Chemical; Mutagenesis, Site-Directed; Phenylalanine; Proline; Quantum Theory; Static Electricity; Tryptophan; Valine | 2002 |
Single-stranded DNA binding of the cold-shock protein CspB from Bacillus subtilis: NMR mapping and mutational characterization.
Topics: Amino Acid Substitution; Bacillus subtilis; Bacterial Proteins; Binding Sites; Conserved Sequence; DNA, Single-Stranded; Kinetics; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Peptide Mapping; Phenylalanine; Protein Binding; Protein Conformation; RNA-Binding Proteins; Spectrometry, Fluorescence; Thermodynamics; Tryptophan | 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 |
19F NMR study of the leucine-specific binding protein of Escherichia coli: mutagenesis and assignment of the 5-fluorotryptophan-labeled residues.
Topics: Escherichia coli; Escherichia coli Proteins; Leucine; Magnetic Resonance Spectroscopy; Mutagenesis; Periplasmic Binding Proteins; Phenylalanine; Protein Binding; Staining and Labeling; Structure-Activity Relationship; Tryptophan | 2002 |
PNUTS, a protein phosphatase 1 (PP1) nuclear targeting subunit. Characterization of its PP1- and RNA-binding domains and regulation by phosphorylation.
Topics: Amino Acid Motifs; Amino Acid Sequence; Animals; Cell Line; Cell Nucleus; Cyclic AMP-Dependent Protein Kinases; DNA-Binding Proteins; DNA, Single-Stranded; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Gene Expression Regulation, Enzymologic; Glutathione Transferase; Humans; Inhibitory Concentration 50; Molecular Sequence Data; Mutagenesis, Site-Directed; Nuclear Proteins; PC12 Cells; Peptides; Phenylalanine; Phosphoprotein Phosphatases; Phosphorylation; Plasmids; Polymers; Precipitin Tests; Protein Binding; Protein Biosynthesis; Protein Phosphatase 1; Protein Structure, Tertiary; Rats; Recombinant Fusion Proteins; RNA; RNA-Binding Proteins; RNA, Messenger; Sepharose; Transcription, Genetic; Tryptophan | 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 |
Energetic and structural analysis of the role of tryptophan 59 in FKBP12.
Topics: Amino Acid Substitution; Crystallography, X-Ray; Humans; Hydrophobic and Hydrophilic Interactions; Leucine; Models, Molecular; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Protein Folding; Protein Isoforms; Recombinant Proteins; Sirolimus; Static Electricity; Structure-Activity Relationship; Tacrolimus Binding Protein 1A; Thermodynamics; Tryptophan | 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 |
Water molecule rearrangements around Leu93 and Trp182 in the formation of the L intermediate in bacteriorhodopsin's photocycle.
Topics: Bacteriorhodopsins; Freezing; Hydrogen Bonding; Isomerism; Leucine; Methionine; Mutation; Phenylalanine; Photochemistry; Protein Conformation; Spectroscopy, Fourier Transform Infrared; Temperature; Tryptophan; Water | 2003 |
Photoacoustic spectroscopy study of neodymium complexes with alanine, valine, phenylalanine and tryptophan.
Topics: Absorption; Acoustics; Alanine; Electrons; Ions; Lanthanoid Series Elements; Ligands; Models, Statistical; Neodymium; Phenylalanine; Spectrophotometry; Tryptophan | 2003 |
A single surface tryptophan in the chitin-binding domain from Bacillus circulans chitinase A1 plays a pivotal role in binding chitin and can be modified to create an elutable affinity tag.
Topics: Alanine; Amino Acid Sequence; Bacillus; Chitin; Chitinases; Electrophoresis, Polyacrylamide Gel; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Osmolar Concentration; Phenylalanine; Plasmids; Protein Binding; Protein Structure, Tertiary; Recombinant Fusion Proteins; Sequence Alignment; Tryptophan | 2003 |
Measurement of submicrosecond intramolecular contact formation in peptides at the single-molecule level.
Topics: Fluorescent Dyes; Humans; Kinetics; Oxazines; Peptide Fragments; Phenylalanine; Protein Structure, Tertiary; Spectrometry, Fluorescence; Tryptophan; Tumor Suppressor Protein p53 | 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 |
Ultrasonic absorption in aqueous solutions of amino acids at neutral pH.
Topics: Absorption; Alanine; Amino Acids; Glycine; Histidine; Humans; Hydrogen-Ion Concentration; Imidazoles; Phenylalanine; Solutions; Tryptophan; Ultrasonics | 2003 |
Experimental tests of villin subdomain folding simulations.
Topics: Alanine; Carrier Proteins; Computer Simulation; Fluorescence; Kinetics; Microfilament Proteins; Models, Molecular; Phenylalanine; Protein Conformation; Protein Folding; Temperature; Thermodynamics; Tryptophan | 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 |
Novel tetrahydropyran-based peptidomimetics from a bioisosteric transformation of a tripeptide. Evidence of their activity at melanocortin receptors.
Topics: Arginine; Biomimetic Materials; Cells, Cultured; Humans; Isomerism; Models, Chemical; Oligopeptides; Peptides, Cyclic; Phenylalanine; Protein Binding; Pyrans; Receptors, Melanocortin; Tryptophan | 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 |
Melanocortin tetrapeptides modified at the N-terminus, His, Phe, Arg, and Trp positions.
Topics: alpha-MSH; Amino Acid Sequence; Animals; Arginine; Histidine; Ligands; Mice; Molecular Structure; Peptides; Phenylalanine; Receptors, Corticotropin; Receptors, Melanocortin; Structure-Activity Relationship; Tryptophan | 2003 |
Aromatic residues are required for RNA helicase A mediated transactivation.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Autoantigens; Cells, Cultured; Cyclic AMP Response Element-Binding Protein; DEAD-box RNA Helicases; Humans; Mammals; Molecular Sequence Data; Neoplasm Proteins; Phenylalanine; Protein Structure, Tertiary; RNA Helicases; Sequence Homology, Amino Acid; Structure-Activity Relationship; Transcription, Genetic; Transcriptional Activation; Tryptophan | 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 |
The crystal structure of a novel, inactive, lysine 49 PLA2 from Agkistrodon acutus venom: an ultrahigh resolution, AB initio structure determination.
Topics: Agkistrodon; Amino Acid Sequence; Animals; Binding Sites; Catalysis; Catalytic Domain; Crystallography, X-Ray; Dimerization; Hemolysin Proteins; Hydrogen; Hydrogen Bonding; Lysine; Models, Molecular; Molecular Sequence Data; Phenylalanine; Phospholipases A; Phospholipases A2; Protein Conformation; Protein Structure, Secondary; Sequence Homology, Amino Acid; Snake Venoms; Tryptophan | 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 |
Quantitative chiral analysis in capillary electrophoresis from unresolved peaks using derivative electropherograms, experimental design, and artificial neural networks.
Topics: Amino Acids; Calibration; Electrophoresis, Capillary; Neural Networks, Computer; Phenylalanine; Reproducibility of Results; Stereoisomerism; Tryptophan | 2003 |
Copper(II) diamino acid complexes: quantum chemical computations regarding diastereomeric effects on the energy of complexation.
Topics: Amino Acids, Diamino; Cholesterol; Copper; Glutamic Acid; Hydrogen Bonding; Models, Molecular; Phenylalanine; Quantum Theory; Stereoisomerism; Thermodynamics; Tryptophan | 2003 |
[Quantum chemistry study on fluorescence spectra of three kinds of amino acids].
Topics: Phenylalanine; Quantum Theory; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 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 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 |
Intestinal absorption of histidine as influenced by tryptophan in the rat.
Topics: Animals; Arginine; Biochemical Phenomena; Histidine; Intestinal Absorption; Intestines; Phenylalanine; Rats; Tryptophan | 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 |
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 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 |
The metabolism of aromatic amino acids in leukemic rats.
Topics: Amino Acids, Aromatic; Animals; Leukemia; Phenylalanine; Rats; Tryptophan; Tyrosine | 1958 |
Relationship of serum phenylalanine levels and ability of phenylketonurics to hydroxylate tryptophan.
Topics: Biochemical Phenomena; Humans; Hydroxylation; Phenylalanine; Phenylketonurias; Tryptophan | 1959 |
Chromatographic studies of purine metabolism. IV. Reversal of azaserine-induced inhibition by phenylalanine and tryptophan.
Topics: Antineoplastic Agents; Azaserine; Metabolic Networks and Pathways; Phenylalanine; Purines; Serine; Tryptophan | 1959 |
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 |
Effect of dietary phenylalanine and tryptophan upon rat brain amine levels.
Topics: Amines; Animals; Brain; Brain Chemistry; Diet; Dihydroxyphenylalanine; Monoamine Oxidase Inhibitors; Norepinephrine; Nutrition Assessment; Phenylalanine; Rats; Serotonin; Tryptophan | 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 |
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 |
Studies on inhibition of 5-hydroxy-tryptophan decarboxylase by phenylalanine metabolites.
Topics: Aromatic-L-Amino-Acid Decarboxylases; Carboxy-Lyases; Phenylalanine; Tryptophan | 1963 |
Factors affecting the activity in vitro of the tryptophan- and phenylalanine-hydroxylating systems.
Topics: Hydroxylation; In Vitro Techniques; Mixed Function Oxygenases; Phenylalanine; Tryptophan | 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 |
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 |
Interaction of amino-acids with riboflavin.
Topics: Alanine; Amino Acids; Glycine; Leucine; Phenylalanine; Riboflavin; Tryptophan | 1963 |
Effect of dietary phenylalanine and tryptophan on brain serotonin.
Topics: Brain; Diet; Humans; Liver; Nutrition Assessment; Phenylalanine; Serotonin; Tryptophan | 1962 |
The metabolism of aromatic aminoacids in kwashiorkor.
Topics: Histidine; Humans; Kwashiorkor; Phenylalanine; Proteins; Tryptophan; Tyrosine | 1963 |
Amino acid dependent control of DNA synthesis in bacteria and vegetative phage.
Topics: Amino Acids; Arginine; Coliphages; Cysteine; DNA; DNA, Bacterial; Escherichia coli; Histidine; Leucine; Methionine; Phenylalanine; Proline; Serine; Threonine; Tryptophan | 1962 |
The specific chemical sensitivity of Helix nerve cells.
Topics: Acetylcholine; Alanine; Amino Acids; Animals; Dopamine; Ganglia; Glutamates; Helix, Snails; Histamine; Neurons; Phenylalanine; Serotonin; Snails; Tryptophan | 1962 |
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 |
[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 |
NUTRITIONAL REGU.ATION OF MORPHOGENESIS IN MYXOCOCCUS XANTHUS.
Topics: Amino Acids; Bacteria; Culture Media; Morphogenesis; Myxococcus xanthus; Phenylalanine; Tryptophan | 1963 |
[PHENYLKETONURIA. APROPOS OF A FAMILIAL CASE].
Topics: Blood Chemical Analysis; Body Fluids; Diet; Diet Therapy; Electroencephalography; Genetics, Medical; Humans; Infant; Iproniazid; Phenylalanine; Phenylketonurias; Phenylpyruvic Acids; Pyridoxine; Tryptophan; Urine | 1963 |
ON THE REGULATION OF THE MORPHOGENESIS OF BACTERIOPHAGE T4.
Topics: Bacteriophage T4; Biochemical Phenomena; Biochemistry; Coliphages; DNA; DNA, Bacterial; DNA, Viral; Morphogenesis; Phenylalanine; Proteins; Research; RNA; RNA, Bacterial; RNA, Viral; Tryptophan | 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 |
HYDROXYLATION OF PHENYLALANINE AND TRYPTOPHAN BY LIVER ENZYME OF ADRENALECTOMIZED RATS.
Topics: Adrenalectomy; Hydroxylation; Liver; Metabolism; Phenylalanine; Rats; Research; Tryptophan | 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 |
EXCRETION OF INDOLYL ACIDS IN PHENYLKETONURIC MONKEYS.
Topics: Animals; Body Fluids; Haplorhini; Humans; Indoleacetic Acids; Indoles; Lactates; Metabolism; Phenylalanine; Phenylketonurias; Pyruvates; Research; Tryptophan; Urine | 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 |
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 |
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 INHIBITION OF CEREBRAL DIGLYCINASE BY ALPHA-AMINO-, ALPHA-KETO- AND ALPHA-HYDROXY ACIDS.
Topics: Alanine; Aminobutyrates; Animals; Arginine; Aspartic Acid; Brain; Cobalt; Enzyme Inhibitors; Histidine; Hydroxy Acids; Keto Acids; Leucine; Methionine; Mice; Peptide Hydrolases; Peptides; Pharmacology; Phenylalanine; Proline; Research; Serine; Threonine; Tryptophan; Valine | 1963 |
[MECHANISM OF THE RADIORESISTANCE OF BUDDING YEAST. INFLUENCE OF CERTAIN METABOLIC FACTORS].
Topics: Adenine; Amino Acids; Nitrogen; Pharmacology; Phenylalanine; Phosphorus; Phosphorus Isotopes; Phosphorus, Dietary; Proteins; Radiation Effects; Research; Saccharomyces; Saccharomycetales; Tryptophan; Uracil | 1963 |
[QUANTITATIVE STUDY OF THE FATE OF AMINO ACIDS UNDER THE INFLUENCE OF THE FREE HYDROXYL RADICAL].
Topics: Alanine; Amino Acids; Aminobutyrates; Aspartic Acid; Biochemical Phenomena; Biochemistry; Carbon Isotopes; Chromatography; Glutamates; Hydroxides; Hydroxyl Radical; Phenylalanine; Research; Serine; Tryptophan | 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 |
CONTROL OF GROWTH AND MORPHOGENESIS IN SOME MYXOCOCCUS SPECIES.
Topics: Bacteria; Culture Media; Morphogenesis; Mutation; Myxococcus; Phenylalanine; Research; Tryptophan | 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 |
ENZYMICALLY AND PHYSICALLY INDUCED INHERITANCE CHANGES IN BACILLUS SUBTILIS.
Topics: Agar; Albumins; Asparagine; Bacillus subtilis; Culture Media; Drug Resistance; Drug Resistance, Microbial; Gelatin; Lactones; Metabolism; Methionine; Muramidase; Mutation; Penicillins; Phenylalanine; Research; Threonine; Tryptophan | 1963 |
METABOLIC ADAPTATIONS IN RAT HEPATOMAS. VI. SUBSTRATE-HORMONE RELATIONSHIPS IN TRYPTOPHAN PYRROLASE INDUCTION.
Topics: Adrenalectomy; Carbon Isotopes; Carcinoma, Hepatocellular; Cortisone; Hypophysectomy; Liver; Liver Neoplasms; Methionine; Neoplasms; Neoplasms, Experimental; Oxygenases; Phenylalanine; Portacaval Shunt, Surgical; Proteins; Rats; Research; RNA; RNA, Neoplasm; Tryptophan; Tryptophan Oxygenase | 1964 |
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 |
DEFECTIVE 5-HYDROXYLATION OF TRYPTOPHAN IN PHENYLKETONURIA.
Topics: Blood Chemical Analysis; Body Fluids; Humans; Hydroxyindoleacetic Acid; Hydroxylation; Indoleacetic Acids; Indoles; Metabolism; Phenylalanine; Phenylketonurias; Serotonin; Tryptamines; Tryptophan; Urine | 1964 |
EFFECT OF DIETARY PHENYLALANINE AND TRYPTOPHAN ON PINEAL AND HYPOTHALAMIC SEROTONIN LEVELS.
Topics: Diet; Hypothalamus; Metabolism; Phenylalanine; Pineal Gland; Rats; Research; Serotonin; Tryptophan | 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 |
EFFECTS OF AMINO ACIDS ON THE UTILIZATION OF TRYPTOPHAN AND INDOLE FOR GROWTH BY A MUTANT OF NEUROSPORA CRASSA.
Topics: Amino Acids; Indoles; Metabolism; Mutation; Neurospora; Neurospora crassa; Pharmacology; Phenylalanine; Physiological Phenomena; Proteins; Research; Tryptophan | 1964 |
[HISTOLOGICAL STUDIES OF NUCLEIC ACIDS OF THE LIVER IN DIETARY LIVER DISORDERS. 3. RESULTS WITH A DIET OF BUCKWHEAT FLOUR WITH ADDED AMINO ACIDS].
Topics: Amino Acids; Arginine; Diet; Edible Grain; Fagopyrum; Fatty Liver; Flour; Histidine; Isoleucine; Leucine; Lipotropic Agents; Liver; Lysine; Methionine; Mice; Phenylalanine; Research; RNA; Threonine; Tryptophan; Valine | 1964 |
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 |
EFFECT OF AMINO ACIDS ON UPTAKE OF L-HISTIDINE BY RAT BRAIN SLICES.
Topics: Amino Acids; Arginine; Brain; Chromatography; Culture Media; Cysteine; Cystine; Dipeptides; Glutamates; Histidine; Hydroxyproline; Isoleucine; Leucine; Metabolism; Phenylalanine; Pimelic Acids; Proline; Rats; Research; Taurine; Tryptophan; Valine | 1964 |
DETERMINATION OF PHENYLALANINE IN BLOOD AND URINE.
Topics: Blood Chemical Analysis; Body Fluids; Humans; Phenylalanine; Spectrophotometry; Tryptophan; Tyrosine; Urine | 1964 |
PROTEIN-ENERGY RELATIONSHIP IN ADULT RATS. II. QUALITATIVE AND QUANTITATIVE VARIATIONS IN DIETARY NITROGEN AND EFFECTS ON DEPOSITION OF HEPATIC FAT AND ON NITROGEN UTILIZATION.
Topics: Albumins; Arginine; Body Weight; Diet; Dietary Proteins; Fats; Liver; Metabolism; Methionine; Nitrogen; Phenylalanine; Proteins; Rats; Research; Tryptophan; Urine; Valine | 1964 |
ANTAGONISM OF POORLY INVERTIBLE D-AMINO ACIDS TOWARD GROWTH PROMOTION BY READILY INVERTIBLE D-AMINO ACIDS.
Topics: Amino Acids; Dietary Proteins; Growth; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Rats; Research; Threonine; Tryptophan; Valine | 1964 |
ANTAGONISM OF THE D-FORMS OF THE ESSENTIAL AMINO ACIDS TOWARD THE PROMOTION OF GROWTH BY D-HISTIDINE.
Topics: Amino Acids; Amino Acids, Essential; Arginine; Dietary Proteins; Glycine; Growth; Histidine; Isoleucine; Leucine; Lysine; Methionine; Phenylalanine; Rats; Research; Threonine; Tryptophan; Valine | 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 |
PREFERENTIAL SYNTHESIS OF ALPHA-AMYLASE BY BACILLUS STEAROTHERMOPHILUS IN THE PRESENCE OF 5-METHYL-TRYPTOPHAN.
Topics: alpha-Amylases; Amylases; Antimetabolites; Bacillus; Bacteriological Techniques; Geobacillus stearothermophilus; Maltose; Metabolism; Phenylalanine; Proline; Proteins; Research; Tryptophan | 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 |
[ACTIVITY OF AMINOXY- AND HYDROXYLAMINO-ANALOGUES OF PHENYLALANINE AND OF GLYCINE ON SOME PYRIDOXAL PHOSPHATE-DEPENDENT ENZYMATIC REACTIONS].
Topics: Aspartate Aminotransferases; Dopa Decarboxylase; Glycine; Kidney; Liver; Metabolism; Pharmacology; Phenylalanine; Pyridoxal Phosphate; Rats; Research; Tryptophan | 1964 |
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 |
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 |
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 |
NONTRANSPORT OF CERTAIN SUBSTITUTED AMINO ACIDS.
Topics: 5-Hydroxytryptophan; Absorption; Amino Acids; Animals; Biological Transport; Cricetinae; Histidine; Intestine, Small; Intestines; Pharmacology; Phenylalanine; Proteins; Research; Tryptophan | 1964 |
[INHIBITION OF TRYPTOPHAN HYDROXYLASE BY ALPHA-METHYLDOPA].
Topics: Amino Acids; Enzyme Inhibitors; Methyldopa; Mixed Function Oxygenases; Phenylalanine; Tryptophan; Tryptophan Hydroxylase | 1964 |
INHIBITORS OF THE ENZYMATIC HYDROXYLATION OF PHENYLALANINE AND TRYPTOPHAN BY RAT LIVER EXTRACT IN VITRO.
Topics: Enzyme Inhibitors; Hydroxylation; In Vitro Techniques; Liver; Liver Extracts; Methyldopa; Mixed Function Oxygenases; Pharmacology; Phenylalanine; Research; Tryptophan | 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 |
DIVERGENT RESPONSE TO INHIBITION BY PHENYLALANINE AND TRYPTOPHAN HYDROXYLATING SYSTEMS IN VITRO.
Topics: Amino Acids; Ascorbic Acid; Benzoates; Borates; Dimercaprol; Enzyme Inhibitors; Hydroxylation; In Vitro Techniques; Liver; Mixed Function Oxygenases; NAD; Pharmacology; Phenylalanine; Pterins; Rats; Research; Thioctic Acid; Tryptophan | 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 |
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 |
CLEAVAGE OF PEPTIDE PROLINE BONDS BY LITHIUM ALUMINUM HYDRIDE.
Topics: Aluminum Compounds; Amides; Amino Alcohols; Ammonia; Aspartic Acid; Autoanalysis; Chromatography; Countercurrent Distribution; Glutamates; Glycine; Indicators and Reagents; Leucine; Lithium Compounds; Ornithine; Peptides; Phenylalanine; Proline; Research; Tryptophan; Tyrothricin | 1964 |
N-BENZYLOXYCARBONYL AMINO ACIDS AS VIRTUAL SUBSTRATES FOR PAPAIN.
Topics: Amino Acids; Arginine; Chemical Phenomena; Chemistry; Cysteine; Glycine; Papain; Phenylalanine; Research; Tryptophan | 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 |
ENVIRONMENTAL CONTROL OF AMINO ACID SUBSTITUTIONS IN THE BIOSYNTHESIS OF THE ANTIBIOTIC POLYPEPTIDE TYROCIDINE.
Topics: Amino Acid Substitution; Anti-Bacterial Agents; Bacillus; Genetics; Leucine; Peptides; Phenylalanine; Proteins; Research; Tryptophan; Tyrocidine | 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 |
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 |
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 |
URINARY TRYPTAMINE AND INDOLE-3-ACETIC ACID EXCRETION BY SCHIZOPHRENIC PATIENTS: USE OF THE TRYPTAMINE/INDOLE ACETIC ACID RATIO AS AN INDEX OF MONOAMINE OXIDASE INHIBITION.
Topics: Amino Acids; Fluids and Secretions; Glutamine; Glycine; Histidine; Humans; Indoleacetic Acids; Indoles; Iproniazid; Metabolism; Methionine; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Pharmacology; Phenylalanine; Schizophrenia; Tryptamines; Tryptophan; Urine | 1964 |
[ALPHA,BETA,BETA-TRIMETHYLDOPA, A NEW INHIBITOR OF TRYPTOPHAN AND PHENYLALANINE HYDROXYLASE].
Topics: Amides; Amino Acids; Enzyme Inhibitors; Liver; Methyldopa; Mixed Function Oxygenases; Norepinephrine; Pharmacology; Phenylalanine; Phenylalanine Hydroxylase; Rats; Research; Serotonin; Tryptophan | 1964 |
[CHANGES IN THE TRYPTOPHAN METABOLISM IN PHENYLKETONURIA].
Topics: Amino Acids; Blood; Body Fluids; Child; Humans; Phenylalanine; Phenylketonurias; Tryptophan; Tyrosine; Urine | 1964 |
INHIBITION BY PHENYLALANINE OF THE ENTRY OF 5-HYDROXY-TRYPTOPHAN-1-C14 INTO CEREBROSPINAL FLUID.
Topics: 5-Hydroxytryptophan; Animals; Biological Transport; Blood; Blood-Brain Barrier; Brain; Carbon Isotopes; Dogs; Injections; Injections, Intravenous; Metabolism; Phenylalanine; Radiometry; Research; Tryptophan | 1965 |
UTILIZATION OF THE MIXTURES OF AMINO ACIDS BY HELICOSTYLUM PIRIFORME BAINIER.
Topics: Amino Acids; Arginine; Chromatography; Culture Media; Fungi; Glutamates; Glycine; Histidine; Leucine; Phenylalanine; Research; Tryptophan | 1964 |
STUDIES ON NUTRITION OF TRICHURUS SPIRALIS VAR. MINUTA AND BOTRYOSPORIUM SP.
Topics: Amino Acids; Arginine; Carbohydrate Metabolism; Carbon; Chromatography; Culture Media; Glutamates; Glycine; Histidine; Hydrogen-Ion Concentration; Leucine; Metabolism; Nitrates; Nitrogen; Oligosaccharides; Phenylalanine; Research; Spores; Tryptophan | 1964 |
[CHROMATOGRAFIC DETERMINATION OF FREE AMINO ACIDS IN SMALL QUANTITIES IN WHOLE BLOOD].
Topics: Amino Acids; Blood Chemical Analysis; Chromatography; Humans; Methionine; Microchemistry; Phenylalanine; Tryptophan | 1964 |
PERIODONTAL PATHOSIS IN MAN X. EFFECT OF COMBINED VERSUS ANIMAL PROTEIN SUPPLEMENTATION UPON SULCUS DEPTH.
Topics: Biomedical Research; Dietary Proteins; Isoleucine; Leucine; Methionine; Periodontal Diseases; Phenylalanine; Placebos; Threonine; Tryptophan; Valine | 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 |
SOLUBLE AMINO ACID-INCORPORATING SYSTEM. I. PREPARATION OF THE SYSTEM AND NATURE OF THE REACTION.
Topics: Amino Acids; Carbon Isotopes; Chemical Phenomena; Chemistry; Deoxyribonucleases; DNA; DNA, Bacterial; Escherichia coli; Guanine Nucleotides; Leucine; Nucleotidyltransferases; Phenylalanine; Proteins; Puromycin; Radiometry; Research; Ribonucleases; Ribosomes; RNA; RNA, Bacterial; Tryptophan | 1965 |
SOLUBLE AMINO ACID-INCORPORATING SYSTEM. II. SOLUBLE NATURE OF THE SYSTEM AND THE CHARACTERIZATION OF THE RADIOACTIVE PRODUCT.
Topics: Amino Acids; Carbon Isotopes; Chemical Phenomena; Chemistry; DNA; DNA, Bacterial; Escherichia coli; Leucine; Nucleotidyltransferases; Phenylalanine; Proteins; Puromycin; Radiometry; Research; Ribonucleases; Ribosomes; RNA; RNA, Bacterial; Solubility; Tryptophan; Ultracentrifugation | 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 |
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 |
[ON THE EFFECT OF ROENTGEN-IRRADIATED YOLK ON EMBRYONAL DEVELOPMENT OF THE CHICK].
Topics: Animals; Chick Embryo; Congenital Abnormalities; Embryonic Development; Niacin; Niacinamide; Ovum; Pharmacology; Phenylalanine; Radiation Effects; Research; Tryptophan | 1964 |
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 |
STUDIES ON THE EFFECT OF TRYPTOPHAN DEFICIENCY ON THE METABOLIC PRODUCTS OF TRYPTOPHAN AND NIACIN.
Topics: Amino Acids; Blood; Creatine; Creatinine; Deficiency Diseases; Diet; Fluids and Secretions; Histidine; Isoleucine; Leucine; Lysine; Metabolism; Methionine; Niacin; Niacinamide; Nitrogen; Nucleotides; Phenylalanine; Riboflavin; Tryptophan; Urine; Valine; Xanthurenates | 1965 |
OPHIDIAN L-AMINO ACID OXIDASE. THE NATURE OF THE ENZYME-SUBSTRATE COMPLEXES.
Topics: Alanine; Amino Acid Oxidoreductases; Amino Acids; Animals; Biochemical Phenomena; Biochemistry; Catalysis; Chemical Phenomena; Chemistry, Physical; Chymotrypsin; Glycine; Hydroquinones; Kinetics; L-Amino Acid Oxidase; Phenylalanine; Research; Snakes; Tryptophan; Venoms | 1965 |
[ROLE OF CHLORAMPHENICOL IN RNA SYNTHESIS IN THE PRESENCE OF AMINO ACID ANALOGUES].
Topics: Amino Acids; Chloramphenicol; Culture Media; Escherichia coli; Metabolism; Mutation; Pharmacology; Phenylalanine; Research; RNA; RNA, Bacterial; Tryptophan; Uracil | 1965 |
UPTAKE OF LABELLED AMINO ACIDS INTO HUMAN ERYTHROCYTES IN VITRO.
Topics: Amino Acids; Biological Transport; Biomedical Research; Cell Membrane Permeability; Erythrocytes; Glutamates; Glutathione; Glycine; In Vitro Techniques; Lysine; Phenylalanine; Tryptophan | 1965 |
AMINO ACID ISOMERIZATION IN THE PRODUCTION OF L-PHENYLALANINE FROM D-PHENYLALANINE BY BACTERIA.
Topics: Amino Acids; Ammonium Compounds; Centrifugation; Colorimetry; Culture Media; D-Amino-Acid Oxidase; Manometry; Methionine; Oxygen; Pharmacology; Phenylalanine; Phenylpyruvic Acids; Photometry; Pseudomonas; Quaternary Ammonium Compounds; Research; Threonine; Transaminases; Tryptophan; Urea; 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 |
The effects of ionizing radiations on L-, DL-phenylalanine and L-, DL-tryptophane studied by ultra-violet and infra-red spectrophotometry.
Topics: Phenylalanine; Radiation Effects; Radiation, Ionizing; Spectrophotometry; Tryptophan; Viola | 1962 |
[Hereditary disorders of the metabolism of phenylalanine, tyrosine and tryptophan].
Topics: Biochemical Phenomena; Humans; Metabolic Diseases; Phenylalanine; Tryptophan; Tyrosine | 1961 |
Selective elimination of I(K,slow1) in mouse ventricular myocytes expressing a dominant negative Kv1.5alpha subunit.
Topics: Action Potentials; Amino Acid Substitution; Animals; Cell Line; Delayed Rectifier Potassium Channels; Electrocardiography; Genes, Dominant; Heart Septum; Heart Ventricles; Humans; Kv1.5 Potassium Channel; Mice; Mice, Transgenic; Myocytes, Cardiac; Phenylalanine; Point Mutation; Potassium Channels; Potassium Channels, Voltage-Gated; Protein Isoforms; Reaction Time; Tryptophan; Ventricular Function | 2004 |
The geometry and efficacy of cation-pi interactions in a diagonal position of a designed beta-hairpin.
Topics: Arginine; Cations; Hydrogen Bonding; Lysine; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Oligopeptides; Phenylalanine; Protein Folding; Protein Structure, Secondary; Substrate Specificity; Tryptophan | 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 |
Steady-state kinetics and tryptophan fluorescence properties of halohydrin dehalogenase from Agrobacterium radiobacter. Roles of W139 and W249 in the active site and halide-induced conformational change.
Topics: Acrylamide; Amino Acid Sequence; Bacterial Proteins; Binding Sites; Bromides; Catalysis; Hydrogen-Ion Concentration; Hydrolases; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Protein Conformation; Rhizobium; Spectrometry, Fluorescence; Stereoisomerism; Substrate Specificity; Tryptophan | 2003 |
Lipid-protein interactions studied by introduction of a tryptophan residue: the mechanosensitive channel MscL.
Topics: Amino Acid Substitution; Binding Sites; Bromine; Cardiolipins; Escherichia coli; Escherichia coli Proteins; Ion Channels; Lipid Bilayers; Mechanotransduction, Cellular; Mycobacterium tuberculosis; Osmotic Pressure; Phenylalanine; Phosphatidylcholines; Phosphatidylglycerols; Phosphatidylserines; Phospholipids; Spectrometry, Fluorescence; Tryptophan | 2003 |
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 |
Structural studies of a Phe256Trp mutant of human salivary alpha-amylase: implications for the role of a conserved water molecule in enzyme activity.
Topics: alpha-Amylases; Amino Acid Substitution; Binding Sites; Catalysis; Crystallography, X-Ray; Humans; Hydrolysis; Kinetics; Molecular Structure; Mutagenesis, Site-Directed; Oligosaccharides; Phenylalanine; Protein Conformation; Recombinant Proteins; Starch; Tryptophan; Water | 2004 |
Enteral tryptophan requirement determined by oxidation of gastrically or intravenously infused phenylalanine is not different from the parenteral requirement in neonatal piglets.
Topics: Animals; Animals, Newborn; Diet; Female; Humans; Infusions, Parenteral; Isotopes; Male; Oxidation-Reduction; Phenylalanine; Random Allocation; Swine; Tryptophan | 2004 |
Psychobiological aspects of somatoform disorders: contributions of monoaminergic transmitter systems.
Topics: Adult; Amino Acids, Branched-Chain; Analysis of Variance; Biogenic Monoamines; Case-Control Studies; Depression; Diagnostic and Statistical Manual of Mental Disorders; Female; Humans; Interview, Psychological; Male; Middle Aged; Models, Biological; Phenylalanine; Somatoform Disorders; Tryptophan | 2004 |
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 |
Amino acid derivatives in bacterial metabolism. I. Derivatives of leucine, phenylalanine, tryptophan, and valine.
Topics: Amino Acids; Arginine; Bacteria; Leucine; Phenylalanine; Tryptophan; Valine | 1950 |
[Study of the relations between tryptophan and nicotinic acid: action of indol-acrylic acid, of coumarin, of 2-methylnaphthoquinone, and of beta-hydroxy-phenylalanine on Escherichia coli].
Topics: Acrylates; Coumarins; Escherichia coli; Niacin; Nicotinic Acids; Phenylalanine; Tryptophan; Vitamin K 3 | 1951 |
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 |
Comparison of C-H...pi and hydrophobic interactions in a beta-hairpin peptide: impact on stability and specificity.
Topics: Anisotropy; Hot Temperature; Hydrophobic and Hydrophilic Interactions; Lysine; Norleucine; Nuclear Magnetic Resonance, Biomolecular; Oligopeptides; Phenylalanine; Protein Conformation; Protein Denaturation; Substrate Specificity; Tryptophan | 2004 |
GGA1 interacts with the adaptor protein AP-1 through a WNSF sequence in its hinge region.
Topics: Adaptor Proteins, Vesicular Transport; ADP-Ribosylation Factors; Amino Acid Motifs; Amino Acid Sequence; Animals; Binding Sites; Binding, Competitive; Brain; Carrier Proteins; COS Cells; DNA, Complementary; Dose-Response Relationship, Drug; Escherichia coli; Gene Library; Glutathione Transferase; Humans; Immunoblotting; In Vitro Techniques; Membrane Proteins; Molecular Sequence Data; Mutation; Nerve Tissue Proteins; Peptides; Phenylalanine; Plasmids; Protein Binding; Protein Structure, Tertiary; Receptor, IGF Type 2; Sequence Homology, Amino Acid; trans-Golgi Network; Transcription Factor AP-1; Tryptophan; Vesicular Transport Proteins | 2004 |
Structural insights into the functional interaction of KChIP1 with Shal-type K(+) channels.
Topics: Animals; Binding Sites; Calcium; Calcium-Binding Proteins; Cell Membrane; CHO Cells; COS Cells; Cricetinae; Crystallography, X-Ray; Dimerization; Kv Channel-Interacting Proteins; Membrane Potentials; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Potassium Channels; Potassium Channels, Voltage-Gated; Protein Structure, Secondary; Protein Structure, Tertiary; Protein Subunits; Rats; Sequence Homology, Amino Acid; Shal Potassium Channels; Tryptophan | 2004 |
Functional properties of subunit interactions in human cytidine deaminase.
Topics: Circular Dichroism; Cytidine Deaminase; Humans; Mutation; Phenylalanine; Protein Denaturation; Protein Structure, Quaternary; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan | 2003 |
Fluorescence and kinetic analysis of the SpoIIAB phosphorylation reaction, a key regulator of sporulation in Bacillus subtilis.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Bacillus subtilis; Bacterial Proteins; Binding Sites; Fluorescence Polarization; Kinetics; Ligands; Mutagenesis, Site-Directed; Phenylalanine; Phosphates; Phosphorylation; Spectrometry, Fluorescence; Spores, Bacterial; Tryptophan | 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 |
The critical role of tryptophan-116 in the catalytic cycle of dimethylsulfoxide reductase from Rhodobacter capsulatus.
Topics: Amino Acid Substitution; Bacterial Proteins; Catalysis; Electrochemistry; Hydrogen Bonding; Iron-Sulfur Proteins; Kinetics; Ligands; Molecular Structure; Molybdenum; Mutagenesis, Site-Directed; Oxidoreductases; Phenylalanine; Protons; Rhodobacter capsulatus; Spectrophotometry, Ultraviolet; Tryptophan | 2004 |
Ligand-induced changes in the conformational dynamics of a bacterial cytotoxic endonuclease.
Topics: Bacterial Proteins; Bacterial Toxins; Binding Sites; Colicins; Deoxyribonucleases; Fluorescence Polarization; Ligands; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Protein Structure, Tertiary; Solvents; Spectrometry, Fluorescence; Thermodynamics; Tryptophan; Zinc | 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 |
Amino acids and asthma: a case-control study.
Topics: Adolescent; Adult; Aged; Amino Acids; Arginine; Asthma; Case-Control Studies; Cystine; Fasting; Female; Glutamic Acid; Glutamine; Glutathione; Glycine; Humans; Male; Methionine; Middle Aged; Odds Ratio; Phenylalanine; Tryptophan | 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 |
The structure and dynamics of tandem WW domains in a negative regulator of notch signaling, Suppressor of deltex.
Topics: Amino Acid Sequence; Animals; DNA, Complementary; Drosophila; Drosophila melanogaster; Drosophila Proteins; Ligands; Magnetic Resonance Spectroscopy; Membrane Proteins; Models, Molecular; Molecular Sequence Data; Peptides; Phenylalanine; Protein Binding; Protein Structure, Tertiary; Receptors, Notch; Sequence Homology, Amino Acid; Spectrometry, Fluorescence; Tryptophan; Ubiquitin-Protein Ligases | 2004 |
Tryptophan scanning mutagenesis of aromatic residues within the polymerase domain of HIV-1 reverse transcriptase: critical role of Phe-130 for p51 function and second-site revertant restoring viral replication capacity.
Topics: Animals; Base Sequence; Cell Line; DNA-Directed RNA Polymerases; HIV Reverse Transcriptase; HIV-1; Humans; Models, Molecular; Molecular Weight; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Protein Structure, Tertiary; Protein Subunits; Templates, Genetic; Tryptophan; Virus Replication | 2004 |
L-amino acids regulate parathyroid hormone secretion.
Topics: Amino Acids; Calcium; Cytoplasm; Dose-Response Relationship, Drug; Humans; Ions; Magnesium; Parathyroid Glands; Parathyroid Hormone; Phenylalanine; Receptors, Calcium-Sensing; Sensitivity and Specificity; Spermine; Time Factors; Tryptophan | 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 |
Recognition of sphingomyelin by lysenin and lysenin-related proteins.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Carrier Proteins; Cell Line, Tumor; Cells, Cultured; Cytotoxins; Hemolysis; Humans; Isoleucine; Maltose-Binding Proteins; Mice; Molecular Sequence Data; Oligochaeta; Phenylalanine; Protein Binding; Proteins; Recombinant Proteins; Sphingomyelins; Structural Homology, Protein; Toxins, Biological; Tryptophan | 2004 |
Alanine-scanning mutagenesis in the signature disulfide loop of the glycine receptor alpha 1 subunit: critical residues for activation and modulation.
Topics: Alanine; Allosteric Regulation; Amino Acid Sequence; Amino Acid Substitution; Aspartic Acid; Cell Line; Conserved Sequence; Cysteine; Disulfides; Humans; Leucine; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Proline; Protein Structure, Tertiary; Protein Subunits; Receptors, Glycine; Tryptophan | 2004 |
Expression improvement and mechanistic study of the retro-Diels-Alderase catalytic antibody 10F11 by site-directed mutagenesis.
Topics: Antibodies, Catalytic; Binding Sites; Binding Sites, Antibody; Catalysis; Catalytic Domain; Crystallography, X-Ray; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Hydrogen Bonding; Immunoglobulin Fragments; Kinetics; Models, Chemical; Mutagenesis, Site-Directed; Mutation; Phenylalanine; Protein Binding; Protein Engineering; Protein Structure, Tertiary; Recombinant Fusion Proteins; Tryptophan | 2004 |
Investigation of the nature of the methionine-pi interaction in beta-hairpin peptide model systems.
Topics: Amides; Hydrophobic and Hydrophilic Interactions; Magnetic Resonance Spectroscopy; Methionine; Models, Molecular; Norleucine; Peptides; Phenylalanine; Protein Denaturation; Protein Structure, Secondary; Sulfur; Thermodynamics; Tryptophan | 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 highly conserved extracellular peptide, DSYG(893-896), is a critical structure for sodium pump function.
Topics: Amino Acid Sequence; Animals; Binding Sites; Conserved Sequence; Cysteine; Enzyme Activation; Immunoprecipitation; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Peptide Fragments; Phenylalanine; Protein Conformation; Saccharomyces cerevisiae; Sequence Homology, Amino Acid; Sheep; Sodium-Potassium-Exchanging ATPase; Tryptophan | 2004 |
Chiral recognition in solution and the gas phase. Experimental and theoretical studies of aromatic D- and L-amino acid-Cu(II)-chiragen complexes.
Topics: 2,2'-Dipyridyl; Amino Acids, Aromatic; Copper; Gases; Ligands; Magnetic Resonance Spectroscopy; Methanol; Phenylalanine; Pyridines; Quinolines; Solutions; Spectrometry, Mass, Electrospray Ionization; Stereoisomerism; Tryptophan | 2004 |
Binding of inhibitory aromatic amino acids to Streptomyces griseus aminopeptidase.
Topics: Amino Acids; Aminopeptidases; Binding Sites; Crystallization; Crystallography, X-Ray; Electrons; Hydrogen Bonding; Models, Molecular; Phenylalanine; Protein Binding; Protein Conformation; Protein Structure, Secondary; Protein Structure, Tertiary; Streptomyces griseus; Tryptophan; Zinc | 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 |
Long-range dynamic effects of point mutations propagate through side chains in the serine protease inhibitor eglin c.
Topics: Alanine; Animals; Leeches; Models, Chemical; Models, Molecular; Mutagenesis, Site-Directed; Nanotechnology; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Point Mutation; Polymerase Chain Reaction; Protein Conformation; Protein Subunits; Proteins; Serine Proteinase Inhibitors; Serpins; Thermodynamics; Tryptophan; Valine | 2004 |
Sensing of remote oxyanion binding at the DNA binding domain of the molybdate-dependent transcriptional regulator, ModE.
Topics: Amino Acid Sequence; Anions; Binding Sites; DNA; Escherichia coli Proteins; Fluorescence; Models, Biological; Models, Molecular; Molecular Sequence Data; Molybdenum; Oxygen; Phenylalanine; Regulatory Elements, Transcriptional; Transcription Factors; Tryptophan | 2004 |
Chiral recognition of dipeptides in a biomembrane model.
Topics: Cell Membrane; Dipeptides; Kinetics; Membranes, Artificial; Micelles; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Proline; Protein Conformation; Stereoisomerism; Thermodynamics; Tryptophan | 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 |
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 |
Identification of amino acid residues in the insect sodium channel critical for pyrethroid binding.
Topics: Amino Acid Substitution; Animals; Cockroaches; Drosophila melanogaster; Female; Isoleucine; Leucine; Mutation; NAV1.1 Voltage-Gated Sodium Channel; Nerve Tissue Proteins; Phenylalanine; Protein Binding; Pyrethrins; Sodium Channels; Tryptophan | 2005 |
Analysis of the role of intraprotein electron transfer in photoreactivation by DNA photolyase in vivo.
Topics: Catalysis; Deoxyribodipyrimidine Photo-Lyase; DNA Repair; Electron Transport; Escherichia coli; Escherichia coli Proteins; Flavin-Adenine Dinucleotide; Phenylalanine; Photochemistry; Pyrimidine Dimers; Tryptophan | 2004 |
Identification of a unique filamin A binding region within the cytoplasmic domain of glycoprotein Ibalpha.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Binding Sites; Cell Adhesion; CHO Cells; Contractile Proteins; Cricetinae; Cytoplasm; Filamins; Gene Expression; Microfilament Proteins; Mutation; Phenylalanine; Platelet Glycoprotein GPIb-IX Complex; Protein Binding; Protein Structure, Tertiary; Tryptophan | 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 |
Structural basis for the changes in redox potential in the nitrogenase Phe135Trp Fe protein with MgADP Bound.
Topics: Adenosine Diphosphate; Azotobacter vinelandii; Binding Sites; Catalysis; Ions; Iron-Sulfur Proteins; Magnesium; Models, Chemical; Models, Molecular; Models, Statistical; Nitrogenase; Oxidation-Reduction; Phenylalanine; Protein Binding; Protein Conformation; Tryptophan; X-Ray Diffraction | 2004 |
Detection of a hidden folding intermediate of the third domain of PDZ.
Topics: Hydrogen; Kinetics; Models, Molecular; Mutation; Nerve Tissue Proteins; Phenylalanine; Protein Denaturation; Protein Engineering; Protein Folding; Protein Structure, Tertiary; Spectrum Analysis; Thermodynamics; Tryptophan | 2005 |
Probing the communication between the regulatory and catalytic domains of a protein tyrosine kinase, Csk.
Topics: Alanine; Animals; Catalytic Domain; Chickens; Crystallography, X-Ray; CSK Tyrosine-Protein Kinase; Enzyme Activation; Phenylalanine; Phosphopeptides; Phosphotyrosine; Point Mutation; Protein Conformation; Protein-Tyrosine Kinases; Proto-Oncogene Proteins pp60(c-src); Sequence Alignment; Sequence Deletion; src Homology Domains; src-Family Kinases; Substrate Specificity; Tryptophan | 2005 |
Interaction of tryptophan and phenylalanine with metal ferrocyanides and its relevance in chemical evolution.
Topics: Adsorption; Evolution, Chemical; Exobiology; Ferrocyanides; Metals, Heavy; Phenylalanine; Tryptophan | 2004 |
Aromatic interactions in tryptophan-containing peptides: crystal structures of model tryptophan peptides and phenylalanine analogs.
Topics: Crystallization; Crystallography, X-Ray; Hydrogen Bonding; Models, Molecular; Peptides; Phenylalanine; Protein Conformation; Tryptophan | 2005 |
Insight into the mechanism of a peptide inhibitor of HIV reverse transcriptase dimerization.
Topics: Amino Acid Motifs; Amino Acid Sequence; Anti-HIV Agents; Antiviral Agents; Dimerization; Enzyme Stability; HIV Reverse Transcriptase; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligopeptides; Phenylalanine; Protein Binding; Protein Conformation; Protein Interaction Mapping; Protein Structure, Tertiary; Protein Subunits; Tryptophan; Viral Proteins | 2005 |
Probing the environment of signal-anchor sequences during topogenesis in the endoplasmic reticulum.
Topics: Alanine; Amino Acid Sequence; Amino Acid Substitution; Animals; Chlorocebus aethiops; COS Cells; Endoplasmic Reticulum; Genetic Vectors; Hydrophobic and Hydrophilic Interactions; Intracellular Membranes; Leucine; Lipid Bilayers; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Protein Sorting Signals; Protein Transport; Transfection; Tryptophan; Valine | 2005 |
[Chiral two-phase synergistic effect in high performance liquid chromatography].
Topics: beta-Cyclodextrins; Cellulose; Chromatography, High Pressure Liquid; Phenylalanine; Stereoisomerism; Tryptophan | 2004 |
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 |
Analysis of ATP binding to CheA containing tryptophan substitutions near the active site.
Topics: Adenosine Triphosphate; Amino Acid Substitution; Bacterial Proteins; Binding Sites; Calcium; Cations, Divalent; Chemotaxis; Escherichia coli; Escherichia coli Proteins; Histidine Kinase; Magnesium; Manganese; Membrane Proteins; Methyl-Accepting Chemotaxis Proteins; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Protein Conformation; Protein Kinases; Spectrometry, Fluorescence; Thermodynamics; Tryptophan | 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 |
Three novel mutations in POU1F1 in Israeli patients with combined pituitary hormone deficiency.
Topics: Arginine; Child; Child, Preschool; DNA-Binding Proteins; Female; Gene Deletion; Glutamine; Humans; Israel; Leucine; Male; Middle Aged; Mutation; Mutation, Missense; Phenylalanine; Pituitary Hormones; Protein Structure, Tertiary; Transcription Factor Pit-1; Transcription Factors; Tryptophan | 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 |
Tryptophan to phenylalanine substitutions allow differentiation of short- and long-range conformational changes during denaturation of goat alpha-lactalbumin.
Topics: Amino Acid Substitution; Animals; Calorimetry, Differential Scanning; Circular Dichroism; Goats; Kinetics; Lactalbumin; Milk; Mutation; Phenylalanine; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Tertiary; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Thermodynamics; Tryptophan | 2005 |
An essential tryptophan of Escherichia coli DnaA protein functions in oligomerization at the E. coli replication origin.
Topics: Adenosine Triphosphate; Alanine; Amino Acid Motifs; Bacterial Proteins; Cross-Linking Reagents; DNA; DNA Mutational Analysis; DNA-Binding Proteins; Dose-Response Relationship, Drug; Escherichia coli; Glutaral; Leucine; Mutation; Phenylalanine; Plasmids; Protein Binding; Protein Structure, Secondary; Protein Structure, Tertiary; Replication Origin; Time Factors; Tryptophan | 2005 |
A biophysical investigation of recombinant hemoglobins with aromatic B10 mutations in the distal heme pockets.
Topics: Adult; Amino Acid Substitution; Azides; Heme; Hemoglobin A; Hemoglobins; Humans; Leucine; Nitric Oxide; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Oxygen; Phenylalanine; Protein Binding; Protein Structure, Secondary; Recombinant Proteins; Thermodynamics; Tryptophan | 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 |
Point mutational analysis of the liganding site in human glycolipid transfer protein. Functionality of the complex.
Topics: Animals; Antigens, CD; Asparagine; Aspartic Acid; Binding Sites; Carrier Proteins; Cell Membrane; Chromatography, Affinity; Chromatography, Gel; DNA Mutational Analysis; Galactosylceramides; Glycolipids; Humans; Lactosylceramides; Leucine; Ligands; Models, Molecular; Mutagenesis, Site-Directed; Phenylalanine; Phosphatidylcholines; Point Mutation; Protein Binding; Recombinant Fusion Proteins; Swine; Time Factors; Tryptophan | 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 |
Phosphorylation of the RGS protein Sst2 by the MAP kinase Fus3 and use of Sst2 as a model to analyze determinants of substrate sequence specificity.
Topics: Alanine; Amino Acid Sequence; Amino Acid Substitution; Consensus Sequence; Feedback, Physiological; GTPase-Activating Proteins; Histidine; Mitogen-Activated Protein Kinases; Molecular Sequence Data; Mutagenesis, Site-Directed; Peptide Mapping; Phenylalanine; Phosphorylation; Saccharomyces cerevisiae Proteins; Serine; Substrate Specificity; Tryptophan | 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 |
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 |
L-type amino acids stimulate gastric acid secretion by activation of the calcium-sensing receptor in parietal cells.
Topics: Amino Acids; Animals; Anti-Ulcer Agents; Cimetidine; Dose-Response Relationship, Drug; Gastric Acid; Gastric Acidity Determination; H(+)-K(+)-Exchanging ATPase; Male; Mice; Omeprazole; Parietal Cells, Gastric; Phenylalanine; Rats; Rats, Sprague-Dawley; Receptors, Calcium-Sensing; Stimulation, Chemical; Tryptophan | 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 |
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 |
The effects of the interactions between amino acids on pyruvate kinase activity from the brain cortex of young rats.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Animals; Binding Sites; Brain Diseases, Metabolic, Inborn; Cerebral Cortex; Cystine; Energy Metabolism; Feedback, Physiological; Nerve Degeneration; Phenylalanine; Pyruvate Kinase; Rats; Rats, Wistar; Serine; Tryptophan | 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 |
Effects of Phe-to-Trp mutation and fluorotryptophan incorporation on the solution structure of cardiac troponin C, and analysis of its suitability as a potential probe for in situ NMR studies.
Topics: Amides; Amino Acid Substitution; Base Sequence; Escherichia coli; Fluorine; Humans; Isotopes; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Sequence Data; Mutation; Myocardium; Nitrogen; Phenylalanine; Protein Conformation; Protein Folding; Protons; Recombinant Proteins; Solutions; Troponin C; Tryptophan | 2005 |
[Effects of applying L-methionine, L-phenylalanine and L-tryptophan on Zea mays growth and its nutrient uptake].
Topics: Fertilizers; Methionine; Phenylalanine; Plant Growth Regulators; Soil; Tryptophan; Zea mays | 2005 |
The contribution of the Trp/Met/Phe residues to physical interactions of p53 with cellular proteins.
Topics: Biophysics; DNA; DNA Replication; Humans; Methionine; Models, Molecular; Phenylalanine; Protein Binding; Protein Conformation; Protein Interaction Mapping; Protein Structure, Tertiary; Transcription Factors; Transcriptional Activation; Tryptophan; Tumor Suppressor Protein p53 | 2005 |
Functional characterization of 2',5'-linked oligoadenylate binding determinant of human RNase L.
Topics: Adenine Nucleotides; Arginine; Crystallography, X-Ray; Dose-Response Relationship, Drug; Endoribonucleases; Enzyme Activation; Gene Deletion; Genetic Vectors; Glutathione Transferase; Humans; Hydrogen Bonding; Lysine; Models, Chemical; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Oligonucleotides; Oligoribonucleotides; Phenylalanine; Protein Binding; Protein Structure, Tertiary; Tryptophan | 2005 |
Differential effects of temperature and hydrostatic pressure on the formation of quinonoid intermediates from L-Trp and L-Met by H463F mutant Escherichia coli tryptophan indole-lyase.
Topics: Amino Acid Substitution; Binding, Competitive; Escherichia coli; Histidine; Hydrostatic Pressure; Kinetics; Methionine; Mutation; Phenylalanine; Quinones; Temperature; Tryptophan; Tryptophanase | 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 |
The molecular mechanism for receptor-stimulated iron release from the plasma iron transport protein transferrin.
Topics: Antigens, CD; Binding Sites; Electron Spin Resonance Spectroscopy; Histidine; Humans; Iron; Mutation; Phenylalanine; Protein Transport; Receptors, Transferrin; Transferrin; Tryptophan | 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 |
An elementary reaction step of the proton pump is revealed by mutation of tryptophan-164 to phenylalanine in cytochrome c oxidase from Paracoccus denitrificans.
Topics: Amino Acid Substitution; Chromatography, Affinity; Electron Transport Complex IV; Hydrogen Bonding; Kinetics; Models, Molecular; Mutation; Paracoccus; Phenylalanine; Proton Pumps; Spectrum Analysis; Tryptophan | 2005 |
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 |
Platelet serotonin concentrations in PKU patients under dietary control and tetrahydrobiopterin treatment.
Topics: Adolescent; Adult; Biopterins; Blood Platelets; Child; Child, Preschool; Chromatography, High Pressure Liquid; Diet; Female; Humans; Infant; Male; Phenylalanine; Phenylalanine Hydroxylase; Phenylketonurias; Serotonin; Tryptophan; Tryptophan Hydroxylase | 2005 |
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 |
Capillary electrochromatography of amino acids with a protein-bonded porous-layer open-tubular column.
Topics: Amino Acids; Capillary Electrochromatography; Histidine; Microscopy, Electron, Scanning; Phenylalanine; Polymers; Proteins; Silicon Dioxide; Tryptophan | 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 |
The genetic incorporation of a distance probe into proteins in Escherichia coli.
Topics: Amino Acid Sequence; Basic-Leucine Zipper Transcription Factors; DNA-Binding Proteins; Escherichia coli; Methanococcus; Molecular Sequence Data; Mutant Proteins; Phenylalanine; Recombinant Proteins; RNA, Transfer, Tyr; Saccharomyces cerevisiae Proteins; Spectrometry, Fluorescence; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Transcription Factors; Tryptophan; Tyrosine-tRNA Ligase | 2006 |
Increased NaCl-induced interleukin-8 production by human bronchial epithelial cells is enhanced by the DeltaF508/W1282X mutation of the cystic fibrosis transmembrane conductance regulator gene.
Topics: Amino Acid Substitution; Bronchi; Cell Line, Transformed; Cell Transformation, Viral; Cystic Fibrosis Transmembrane Conductance Regulator; Epithelial Cells; Humans; Interleukin-8; Phenylalanine; Promoter Regions, Genetic; Respiratory Mucosa; Sodium Chloride; Tryptophan; Up-Regulation | 2006 |
A trade between similar but nonequivalent intrasubunit and intersubunit contacts in Cro dimer evolution.
Topics: Circular Dichroism; Dimerization; DNA-Binding Proteins; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Protein Folding; Protein Structure, Secondary; Protein Subunits; Repressor Proteins; Temperature; Tryptophan; Viral Proteins; Viral Regulatory and Accessory Proteins | 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 |
Effects of ligands on the mobility of an active-site loop in tyrosine hydroxylase as monitored by fluorescence anisotropy.
Topics: Amino Acid Substitution; Anisotropy; Binding Sites; Cloning, Molecular; Fluorescence; Microscopy, Fluorescence; Mutation; Phenylalanine; Protein Conformation; Pterins; Tryptophan; Tyrosine 3-Monooxygenase | 2006 |
Role of the middle residue in the triple tryptophan electron transfer chain of DNA photolyase: ultrafast spectroscopy of a Trp-->Phe mutant.
Topics: Deoxyribodipyrimidine Photo-Lyase; Electron Transport; Escherichia coli; Flavin-Adenine Dinucleotide; Free Radicals; Mutation; Phenylalanine; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Tryptophan | 2006 |
Membrane interaction and activity of the glycolipid transfer protein.
Topics: Anisotropy; Base Sequence; Binding Sites; Carrier Proteins; Cell Membrane; Fluorescent Dyes; Galactosylceramides; Humans; Hydrogen-Ion Concentration; Kinetics; Lipid Bilayers; Models, Biological; Mutagenesis, Site-Directed; Phenylalanine; Sodium Chloride; Spectrometry, Fluorescence; Tryptophan | 2006 |
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 |
Interaction of synthetic peptides corresponding to the scaffolding domain of Caveolin-3 with model membranes.
Topics: Amino Acid Sequence; Caveolin 3; Humans; Membrane Lipids; Membranes; Molecular Sequence Data; Muscular Dystrophies, Limb-Girdle; Peptides; Phenylalanine; Protein Structure, Tertiary; Tryptophan | 2006 |
Insights into the catalytic mechanisms of phenylalanine and tryptophan hydroxylase from kinetic isotope effects on aromatic hydroxylation.
Topics: Animals; Binding Sites; Catalysis; Deuterium; Hydroxylation; Isotopes; Kinetics; Mutation; Oxidation-Reduction; Phenylalanine; Phenylalanine Hydroxylase; Pterins; Rats; Tryptophan; Tryptophan Hydroxylase; Tyrosine 3-Monooxygenase | 2006 |
Design of a bacterial host for site-specific incorporation of p-bromophenylalanine into recombinant proteins.
Topics: Acylation; Adenosine Triphosphate; Binding Sites; Codon, Terminator; Escherichia coli; Lysine; Lysine-tRNA Ligase; Phenylalanine; Plasmids; Recombinant Proteins; RNA, Transfer, Phe; Tryptophan | 2006 |
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 |
Gating of the ATP-sensitive K+ channel by a pore-lining phenylalanine residue.
Topics: Adenosine Triphosphate; Amino Acid Sequence; Animals; Female; Hydrogen-Ion Concentration; Hydrophobic and Hydrophilic Interactions; Ion Channel Gating; Kinetics; Membrane Potentials; Microinjections; Models, Biological; Molecular Sequence Data; Mutation; Oocytes; Patch-Clamp Techniques; Phenylalanine; Potassium Channels, Inwardly Rectifying; Protein Conformation; Tryptophan; Xenopus laevis | 2007 |
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 |
Etched bare fused-silica capillaries for online preconcentration of amino acids in CE.
Topics: Amino Acids; Asparagine; Electrophoresis, Capillary; Flow Injection Analysis; Hydrogen-Ion Concentration; Phenylalanine; Reproducibility of Results; Silicon Dioxide; Static Electricity; Tryptophan | 2006 |
Rapid kinetics of Na+ binding to thrombin.
Topics: Binding Sites; Hot Temperature; Humans; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Protein Binding; Sodium; Spectrometry, Fluorescence; Thermodynamics; Thrombin; Tryptophan | 2006 |
Disruption of RhoGDI and RhoA regulation by a Rac1 specificity switch mutant.
Topics: Amino Acid Substitution; Animals; Asparagine; cdc42 GTP-Binding Protein; Chlorocebus aethiops; COS Cells; Escherichia coli; Guanine Nucleotide Dissociation Inhibitors; HeLa Cells; Humans; Phenylalanine; rac1 GTP-Binding Protein; rho GTP-Binding Proteins; rho Guanine Nucleotide Dissociation Inhibitor alpha; rho-Specific Guanine Nucleotide Dissociation Inhibitors; Substrate Specificity; Threonine; Tryptophan; Yersinia pseudotuberculosis | 2006 |
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 |
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 |
An essential role for talin during alpha(M)beta(2)-mediated phagocytosis.
Topics: Amino Acid Sequence; Animals; Chlorocebus aethiops; COS Cells; Erythrocytes; Green Fluorescent Proteins; Humans; Immunoglobulin G; Macrophage-1 Antigen; Mice; Molecular Sequence Data; Phagocytosis; Phenylalanine; Protein Binding; Protein Structure, Tertiary; Protein Transport; Receptors, IgG; Recombinant Fusion Proteins; Sheep; Talin; Tryptophan | 2007 |
Local inhibitory reflexes excited by mucosal application of nutrient amino acids in guinea pig jejunum.
Topics: Action Potentials; Adenosine Triphosphate; Alanine; Amino Acids; Animals; Electric Stimulation; Gastrointestinal Motility; Guinea Pigs; In Vitro Techniques; Intestinal Mucosa; Jejunum; Muscle Contraction; Muscle, Smooth; Myenteric Plexus; Neural Inhibition; Phenylalanine; Reaction Time; Receptor, Cholecystokinin B; Receptors, Purinergic P2; Receptors, Serotonin, 5-HT3; Receptors, Serotonin, 5-HT4; Reflex; Serotonin; Sincalide; Tryptophan | 2007 |
Comparison of C40/82A and P27A C40/82A barstar mutants using 19F NMR.
Topics: Bacterial Proteins; Dose-Response Relationship, Drug; Fluorine; Hydrophobic and Hydrophilic Interactions; Motion; Mutation; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Proline; Protein Conformation; Protein Denaturation; Protein Folding; Spectrometry, Fluorescence; Temperature; Tryptophan; Ultracentrifugation; Urea | 2007 |
Application of asymmetric model in analysis of fluorescence spectra of biologically important molecules.
Topics: Algorithms; Benzene Derivatives; Catechols; Hydroquinones; Luminescent Measurements; Models, Theoretical; Phenols; Phenylalanine; Probability; Spectrometry, Fluorescence; Tryptophan | 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 |
Regulation of B family DNA polymerase fidelity by a conserved active site residue: characterization of M644W, M644L and M644F mutants of yeast DNA polymerase epsilon.
Topics: Amino Acid Substitution; Binding Sites; DNA; DNA Polymerase II; Exodeoxyribonucleases; Leucine; Methionine; Mutation; Phenotype; Phenylalanine; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Tryptophan | 2007 |
Implementation of real-time two-dimensional nuclear magnetic resonance spectroscopy for on-flow high-performance liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Hippurates; Histidine; Humans; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Software; Tryptophan | 2007 |
Possible application of Raman microspectroscopy to verify the interstitial cystitis diagnosis after potassium sensitivity test: phenylalanine or tryptophan as a biomarker.
Topics: Adult; Aged; Biomarkers; Cystitis, Interstitial; Female; Humans; Middle Aged; Phenylalanine; Potassium; Spectrum Analysis, Raman; Tryptophan | 2007 |
Synthesis and chromatographic properties of a chiral stationary phase derived from bovine serum albumin immobilized on magnesia-zirconia using phosphonate spacers.
Topics: Animals; Cattle; Chromatography, Liquid; Dansyl Compounds; Dinitrobenzenes; Fosfomycin; Leucine; Magnesium Oxide; Molecular Structure; Organic Chemicals; Organophosphonates; Pharmaceutical Preparations; Phenylalanine; Serum Albumin, Bovine; Spectroscopy, Fourier Transform Infrared; Stereoisomerism; Temperature; Tryptophan; Valine; Zirconium | 2007 |
Straightforward methodology for the enantioselective synthesis of benzo[a]- and indolo[2,3-a]quinolizidines.
Topics: Alkaloids; Benzene; Cyclization; Indoles; Molecular Structure; Phenylalanine; Quinolizines; Stereoisomerism; Tryptophan | 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 |
Direct high-performance liquid chromatographic separation of the enantiomers of an aromatic amine and four aminoalcohols using polysaccharide chiral stationary phases and acidic additive.
Topics: Acids; Amines; Amino Alcohols; Benzphetamine; Chromatography, High Pressure Liquid; Isoproterenol; Phenylalanine; Polysaccharides; Pyrrolidines; Stereoisomerism; Tryptophan | 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 |
The contribution of tryptophan residues to conformational changes in clostridial glutamate dehydrogenase--W64 and W449 as mediators of the cooperative response to glutamate.
Topics: Amino Acid Substitution; Bacterial Proteins; Binding Sites; Circular Dichroism; Clostridium symbiosum; Enzyme Stability; Glutamate Dehydrogenase; Glutamic Acid; Hydrogen-Ion Concentration; Kinetics; Mutation; Phenylalanine; Protein Conformation; Protein Structure, Tertiary; Temperature; Tryptophan | 2007 |
Residues Leu261, Trp264, and Phe265 account for apolipoprotein E-induced dyslipidemia and affect the formation of apolipoprotein E-containing high-density lipoprotein.
Topics: Adenoviridae; Amino Acid Sequence; Amino Acid Substitution; Animals; Apolipoprotein E2; Apolipoprotein E4; Cholesterol; Humans; Hypertriglyceridemia; Leucine; Lipoproteins, HDL; Mice; Mice, Mutant Strains; Molecular Sequence Data; Mutation; Phenylalanine; Phosphatidylcholine-Sterol O-Acyltransferase; Recombinant Proteins; Tryptophan | 2007 |
Observation of an intermediate tryptophanyl radical in W306F mutant DNA photolyase from Escherichia coli supports electron hopping along the triple tryptophan chain.
Topics: Deoxyribodipyrimidine Photo-Lyase; DNA Repair; Electron Transport; Electrons; Escherichia coli; Escherichia coli Proteins; Flavin-Adenine Dinucleotide; Free Radicals; Kinetics; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Photochemistry; Spectrophotometry, Ultraviolet; Tryptophan | 2007 |
p66 Trp24 and Phe61 are essential for accurate association of HIV-1 reverse transcriptase with primer/template.
Topics: DNA; HIV Reverse Transcriptase; Humans; Models, Molecular; Mutagenesis, Site-Directed; Nucleotides; Phenylalanine; Protein Conformation; Protein Structure, Tertiary; Tryptophan | 2007 |
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 |
A monoclonal antibody prevents aggregation of the NBD1 domain of the cystic fibrosis transmembrane conductance regulator.
Topics: Animals; Antibodies, Monoclonal; CHO Cells; Cloning, Molecular; Cricetinae; Cricetulus; Cystic Fibrosis Transmembrane Conductance Regulator; Gene Deletion; Humans; Phenylalanine; Protein Engineering; Protein Folding; Protein Structure, Tertiary; Temperature; Tryptophan | 2007 |
Resolution of racemic phenylalanine, tyrosine, and tryptophan.
Topics: Phenylalanine; Tryptophan; Tyrosine | 1949 |
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 |
Analysis of tryptophan residues in the staphylococcal multidrug transporter QacA reveals long-distance functional associations of residues on opposite sides of the membrane.
Topics: Alanine; Amino Acid Sequence; Bacterial Proteins; Benzalkonium Compounds; Biological Transport; Blotting, Western; Cell Membrane; Chlorhexidine; Dequalinium; Drug Resistance, Microbial; Electrophoresis, Polyacrylamide Gel; Ethidium; Fluoresceins; Indoles; Membrane Transport Proteins; Microbial Sensitivity Tests; Models, Biological; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Pentamidine; Phenylalanine; Protein Structure, Secondary; Pyronine; Rhodamines; Staphylococcus; Tryptophan | 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 |
Role of tryptophan-208 residue in cytochrome c oxidation by ascorbate peroxidase from Leishmania major-kinetic studies on Trp208Phe mutant and wild type enzyme.
Topics: Amino Acid Sequence; Animals; Ascorbate Peroxidases; Ascorbic Acid; Cytochromes c; Hydrogen Peroxide; Kinetics; Leishmania major; Models, Biological; Molecular Sequence Data; Mutant Proteins; Oxidation-Reduction; Peroxidases; Phenylalanine; Spectrum Analysis; Structure-Activity Relationship; Substrate Specificity; Tryptophan | 2008 |
Homotropic allosteric control in clostridial glutamate dehydrogenase: different mechanisms for glutamate and NAD+?
Topics: Allosteric Regulation; Bacterial Proteins; Clostridium symbiosum; Glutamate Dehydrogenase; Glutamates; Mutation; NAD; Phenylalanine; Tryptophan | 2008 |
Mutation of a rice gene encoding a phenylalanine biosynthetic enzyme results in accumulation of phenylalanine and tryptophan.
Topics: Amino Acid Sequence; Chromatography, Liquid; Hydro-Lyases; Models, Biological; Molecular Sequence Data; Molecular Structure; Mutation; Phenylalanine; Plant Proteins; Point Mutation; Prephenate Dehydratase; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Tandem Mass Spectrometry; Tryptophan | 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 |
Role of Phe-99 and Trp-196 of sepiapterin reductase from Chlorobium tepidum in the production of L-threo-tetrahydrobiopterin.
Topics: Alcohol Oxidoreductases; Amino Acid Sequence; Biopterins; Chlorobium; Computer Simulation; Enzyme Activation; Enzyme Stability; Models, Chemical; Models, Molecular; Molecular Sequence Data; Phenylalanine; Structure-Activity Relationship; Tryptophan | 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 |
Cardiac microvascular endothelial cells express a functional Ca+ -sensing receptor.
Topics: Animals; Calcium Signaling; Endothelial Cells; Estrenes; Gadolinium; Indoles; Lanthanum; Meglumine; Myocytes, Cardiac; Neomycin; Phenylalanine; Pyrrolidinones; Rats; Rats, Wistar; Receptors, Calcium-Sensing; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Sodium; Spermine; Tryptophan; Type C Phospholipases | 2009 |
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 |
Expedient total syntheses of WIN 64745 and WIN 64821.
Topics: Indole Alkaloids; Indoles; Phenylalanine; Piperazines; Pyrrolidines; Pyrrolizidine Alkaloids; Stereoisomerism; Tryptophan | 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 |
Carbonic anhydrase activators: kinetic and X-ray crystallographic study for the interaction of D- and L-tryptophan with the mammalian isoforms I-XIV.
Topics: Carbonic Anhydrases; Catalytic Domain; Crystallography, X-Ray; Enzyme Activators; Epinephrine; Histamine; Kinetics; Phenylalanine; Protein Conformation; Protein Isoforms; Stereoisomerism; Tryptophan | 2008 |
Aromatic amino acids in weight-recovered females with anorexia nervosa.
Topics: Acute Disease; Adolescent; Adult; Aged; Anorexia Nervosa; Child; Convalescence; Diagnostic and Statistical Manual of Mental Disorders; Female; Humans; Leptin; Middle Aged; Phenylalanine; Tryptophan; Weight Gain; Young Adult | 2009 |
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 |
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 |
Chiral separation performance of micrometer-sized monodispersed silica spheres with high protein loading.
Topics: Absorption; Adsorption; Animals; Cattle; Chemistry Techniques, Analytical; Microchemistry; Microscopy, Electron, Scanning; Microspheres; Phenylalanine; Serum Albumin, Bovine; Silicon Dioxide; Stereoisomerism; Tryptophan | 2009 |
Relative tolerance of an enzymatic molten globule and its thermostable counterpart to point mutation.
Topics: Catalysis; Catalytic Domain; Chorismate Mutase; Circular Dichroism; Methanococcus; Molecular Conformation; Mutation; Phenylalanine; Point Mutation; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Thermodynamics; Tryptophan | 2008 |
Symmetrical refolding of protein domains and subunits: example of the dimeric two-domain 3-isopropylmalate dehydrogenases.
Topics: 3-Isopropylmalate Dehydrogenase; Amino Acid Substitution; Bacterial Proteins; Dimerization; Escherichia coli; Escherichia coli Proteins; Phenylalanine; Protein Folding; Protein Structure, Tertiary; Protein Subunits; Thermus thermophilus; Thiobacillus; Tryptophan; Vibrio | 2009 |
Ultrafast proteinquake dynamics in cytochrome c.
Topics: Animals; Cytochromes c; Ferric Compounds; Ferrous Compounds; Heme; Horses; Models, Molecular; Mutagenesis, Site-Directed; Oxidation-Reduction; Phenylalanine; Photolysis; Protein Conformation; Spectrophotometry, Ultraviolet; Thermodynamics; Tryptophan | 2009 |
The terahertz dance of water with the proteins: the effect of protein flexibility on the dynamical hydration shell of ubiquitin.
Topics: Alanine; Crystallography, X-Ray; Phenylalanine; Protein Conformation; Protein Folding; Solubility; Solvents; Terahertz Spectroscopy; Tryptophan; Ubiquitin; Water | 2009 |
Conformational change in the chromatin remodelling protein MENT.
Topics: Animals; Avian Proteins; Binding Sites; Chickens; Chromatin Assembly and Disassembly; Chromosomal Proteins, Non-Histone; DNA; Erythrocytes; Fluorescence; Mutagenesis, Site-Directed; Nucleosomes; Phenylalanine; Protein Conformation; Tryptophan | 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 |
Structural basis of N-end rule substrate recognition in Escherichia coli by the ClpAP adaptor protein ClpS.
Topics: Amino Acid Sequence; Carrier Proteins; Endopeptidase Clp; Escherichia coli; Escherichia coli Proteins; Leucine; Models, Biological; Molecular Sequence Data; Peptides; Phenylalanine; Protein Binding; Protein Structure, Quaternary; Protein Structure, Tertiary; Tryptophan | 2009 |
Hen egg white lysozyme fibrillation: a deep-UV resonance Raman spectroscopic study.
Topics: Amyloid; Animals; Chickens; Circular Dichroism; Female; Humans; In Vitro Techniques; Microscopy, Atomic Force; Muramidase; Optical Phenomena; Ovum; Phenylalanine; Protein Denaturation; Protein Structure, Secondary; Protein Structure, Tertiary; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Tryptophan | 2008 |
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 |
Copper-catalyzed cyclization reactions for the synthesis of alkaloids.
Topics: Alkaloids; Catalysis; Copper; Cyclization; Indoles; Phenylalanine; Tryptophan | 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 |
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 |
Functional energetic landscape in the allosteric regulation of muscle pyruvate kinase. 2. Fluorescence study.
Topics: Adenosine Diphosphate; Allosteric Regulation; Animals; Energy Metabolism; Entropy; Enzyme Activation; Ligands; Models, Chemical; Muscle, Skeletal; Phenylalanine; Phosphoenolpyruvate; Protein Binding; Protein Structure, Tertiary; Pyruvate Kinase; Rabbits; Spectrometry, Fluorescence; Tryptophan | 2009 |
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 |
Identification of hydrophobic amino acids required for lipid activation of C. elegans CTP:phosphocholine cytidylyltransferase.
Topics: Amino Acid Sequence; Amino Acid Substitution; Amino Acids; Animals; Caenorhabditis elegans; Catalytic Domain; Choline-Phosphate Cytidylyltransferase; Enzyme Activation; Hydrophobic and Hydrophilic Interactions; Isoleucine; Leucine; Lipid Metabolism; Molecular Sequence Data; Phenylalanine; Protein Structure, Secondary; Serine; Tryptophan | 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 |
Femtosecond fluorescence spectra of tryptophan in human gamma-crystallin mutants: site-dependent ultrafast quenching.
Topics: gamma-Crystallins; Humans; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Ultraviolet Rays | 2009 |
A conserved aromatic lock for the tryptophan rotameric switch in TM-VI of seven-transmembrane receptors.
Topics: Allosteric Regulation; Amino Acid Sequence; Animals; Binding Sites; Chlorocebus aethiops; COS Cells; Humans; Models, Molecular; Molecular Dynamics Simulation; Molecular Sequence Data; Mutation; Phenylalanine; Protein Binding; Protein Conformation; Receptors, Adrenergic, beta-2; Receptors, G-Protein-Coupled; Receptors, Ghrelin; Retinaldehyde; Rhodopsin; Tryptophan | 2010 |
Electronic spectrum of tryptophan-phenylalanine. A correlated ab initio and time-dependent density functional theory study.
Topics: Dipeptides; Electrons; Phenylalanine; Time Factors; Tryptophan | 2009 |
Calmodulin wraps around its binding domain in the plasma membrane Ca2+ pump anchored by a novel 18-1 motif.
Topics: Binding Sites; Calcium; Calmodulin; Humans; Magnetic Resonance Spectroscopy; Models, Molecular; Phenylalanine; Plasma Membrane Calcium-Transporting ATPases; Protein Binding; Protein Conformation; Protein Interaction Domains and Motifs; Protein Structure, Secondary; Protein Structure, Tertiary; Tryptophan | 2010 |
Spectroscopic characterization of Cu(II) complex of L-phenylalanine and D,L-tryptophan.
Topics: Copper; Molecular Structure; Organometallic Compounds; Phenylalanine; Spectroscopy, Fourier Transform Infrared; Tryptophan; X-Rays | 2010 |
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 |
The influence of hydrogen bonds on the electronic structure of light-harvesting complexes from photosynthetic bacteria.
Topics: Bacterial Proteins; Bacteriochlorophylls; Electrons; Fourier Analysis; Hydrogen Bonding; Light-Harvesting Protein Complexes; Mutagenesis, Site-Directed; Phenylalanine; Photosynthetic Reaction Center Complex Proteins; Rhodobacter sphaeroides; Spectrophotometry; Spectrum Analysis, Raman; Tryptophan | 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 |
The phenylalanine and tryptophan content of meats.
Topics: Humans; Meat; Phenylalanine; Tryptophan | 1947 |
Tryptophan as a competitive growth inhibiting analog of phenylalanine.
Topics: Phenylalanine; Tryptophan | 1947 |
A gating charge transfer center in voltage sensors.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Arginine; Binding Sites; Crystallography, X-Ray; Electric Capacitance; Ion Channel Gating; Kv1.2 Potassium Channel; Lysine; Models, Molecular; Molecular Sequence Data; Patch-Clamp Techniques; Phenylalanine; Protein Conformation; Rats; Recombinant Fusion Proteins; Shab Potassium Channels; Shaker Superfamily of Potassium Channels; Tryptophan; Xenopus laevis | 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 |
Generation of high rapamycin producing strain via rational metabolic pathway-based mutagenesis and further titer improvement with fed-batch bioprocess optimization.
Topics: Fermentation; Glucose; Lysine; Metabolic Networks and Pathways; Mutagenesis; Phenylalanine; Shikimic Acid; Sirolimus; Streptomyces; Tryptophan; Ultraviolet Rays | 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 |
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 |
By interacting with the C-terminal Phe of apelin, Phe255 and Trp259 in helix VI of the apelin receptor are critical for internalization.
Topics: Amino Acid Sequence; Animals; Apelin; Apelin Receptors; CHO Cells; Cricetinae; Cricetulus; Cyclic AMP; Humans; Intercellular Signaling Peptides and Proteins; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenylalanine; Protein Conformation; Radioligand Assay; Rats; Receptors, G-Protein-Coupled; Recombinant Fusion Proteins; Tryptophan | 2010 |
Diversity of HIV-1 subtype B: implications to the origin of BF recombinants.
Topics: env Gene Products, Human Immunodeficiency Virus; HIV Infections; HIV-1; Humans; Phenylalanine; Phylogeny; Tryptophan | 2010 |
The double mutation ΔL6MW241F in PsbO, the photosystem II manganese stabilizing protein, yields insights into the evolution of its structure and function.
Topics: Amino Acid Sequence; Evolution, Molecular; Molecular Sequence Data; Mutation; Phenylalanine; Photosystem II Protein Complex; Protein Conformation; Sequence Alignment; Sequence Analysis, Protein; Spinacia oleracea; Tryptophan | 2010 |
Self-assembling peptide nanofiber scaffolds for controlled release governed by gelator design and guest size.
Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Diffusion; Drug Carriers; Drug Compounding; Hydrogels; Kinetics; Nanofibers; Particle Size; Peptides; Phenolsulfonphthalein; Phenylalanine; Protein Conformation; Solubility; Technology, Pharmaceutical; Tryptophan | 2010 |
Monitoring glycolipid transfer protein activity and membrane interaction with the surface plasmon resonance technique.
Topics: Amino Acid Motifs; Biophysics; Carrier Proteins; Cell Membrane; Endoplasmic Reticulum; Escherichia coli; Glycolipids; Lipids; Mutation; Phenylalanine; Protein Structure, Tertiary; Surface Plasmon Resonance; Time Factors; Tryptophan | 2011 |
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 |
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 |
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 |
Metabolomics identifies novel Hnf1alpha-dependent physiological pathways in vivo.
Topics: Adrenal Glands; Amino Acid Transport Systems; Animals; Diabetes Mellitus, Type 2; Hepatocyte Nuclear Factor 1-alpha; Indoles; Kidney; Liver; Male; Metabolomics; Mice; Mice, Knockout; Mutation; Phenylalanine; Tryptophan | 2010 |
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 |
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 |
Membrane insertion topology of the central apolipoprotein A-I region. Fluorescence studies using single tryptophan mutants.
Topics: Apolipoprotein A-I; Dimyristoylphosphatidylcholine; Fluorescence Polarization; Humans; Lipid Bilayers; Mutagenesis, Insertional; Mutagenesis, Site-Directed; Phenylalanine; Phosphatidylcholines; Predictive Value of Tests; Protein Binding; Protein Multimerization; Protein Structure, Secondary; Protein Transport; Repetitive Sequences, Amino Acid; Spectrometry, Fluorescence; Tryptophan | 2011 |
Long route or shortcut? A molecular dynamics study of traffic of thiocholine within the active-site gorge of acetylcholinesterase.
Topics: Acetylcholinesterase; Animals; Anions; Biocatalysis; Biological Transport; Catalytic Domain; Molecular Dynamics Simulation; Mutant Proteins; Phenylalanine; Pliability; Static Electricity; Thiocholine; Time Factors; Torpedo; Tryptophan | 2010 |
Impact on the replacement of Phe by Trp in a short fragment of Aβ amyloid peptide on the formation of fibrils.
Topics: Amyloid beta-Peptides; Circular Dichroism; Microscopy, Atomic Force; Phenylalanine; Spectrometry, Fluorescence; Spectroscopy, Fourier Transform Infrared; Structure-Activity Relationship; Tryptophan | 2011 |
JAK2V617F mutation is associated with special alleles in essential thrombocythemia.
Topics: Alleles; Amino Acid Substitution; DNA Mutational Analysis; Gene Frequency; Genetic Linkage; Genetic Predisposition to Disease; Genetic Testing; Humans; Janus Kinase 2; Leucine; Lysine; Mutation, Missense; Phenylalanine; Polymorphism, Single Nucleotide; Receptors, Thrombopoietin; Thrombocythemia, Essential; Tryptophan; Valine | 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 |
VUV state-selected photoionization of thermally-desorbed biomolecules by coupling an aerosol source to an imaging photoelectron/photoion coincidence spectrometer: case of the amino acids tryptophan and phenylalanine.
Topics: Aerosols; Nanoparticles; Phenylalanine; Photochemical Processes; Photoelectron Spectroscopy; Phthalic Acids; Temperature; Tryptophan | 2011 |
Insights on the mechanism of proton transfer reactions in amino acids.
Topics: Alanine; Amino Acids; Models, Chemical; Models, Molecular; Molecular Dynamics Simulation; Phenylalanine; Protons; Thermodynamics; Tryptophan; Water | 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 |
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 |
The membrane interface dictates different anchor roles for "inner pair" and "outer pair" tryptophan indole rings in gramicidin A channels.
Topics: Chromatography, Gel; Circular Dichroism; Gramicidin; Indoles; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Tryptophan | 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 |
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 |
UPLC-MS-based urine metabolomics reveals indole-3-lactic acid and phenyllactic acid as conserved biomarkers for alcohol-induced liver disease in the Ppara-null mouse model.
Topics: Alcohols; Analysis of Variance; Animals; Biomarkers; Chromatography, High Pressure Liquid; Disease Models, Animal; Indoles; Lactates; Liver Diseases, Alcoholic; Male; Mass Spectrometry; Metabolic Networks and Pathways; Metabolomics; Mice; Mice, Knockout; Phenylalanine; PPAR alpha; Principal Component Analysis; Taurine; Tryptophan | 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 |
Ultrahigh efficiency moving wire combustion interface for online coupling of high-performance liquid chromatography (HPLC).
Topics: Caffeine; Carbon; Carbon Dioxide; Chromatography, High Pressure Liquid; Ions; Phenylalanine; Tryptophan | 2011 |
Mechanism of the binding of Z-L-tryptophan and Z-L-phenylalanine to thermolysin and stromelysin-1 in aqueous solutions.
Topics: Binding Sites; Catalytic Domain; Cobalt; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; Matrix Metalloproteinase 3; Matrix Metalloproteinase Inhibitors; Phenylalanine; Protease Inhibitors; Protein Conformation; Solutions; Thermolysin; Tryptophan; Water; Zinc | 2012 |
Hydrophilic interaction and reversed-phase ultraperformance liquid chromatography TOF-MS for serum metabonomic analysis of myocardial infarction in rats and its applications.
Topics: Amino Acids, Branched-Chain; Animals; Arginine; Biological Transport; Biomarkers; Chromatography, Reverse-Phase; Coronary Vessels; Drugs, Chinese Herbal; Fatty Acids; Hydrophobic and Hydrophilic Interactions; Metabolome; Metabolomics; Myocardial Infarction; Phenylalanine; Phospholipids; Proline; Rats; Sphingolipids; Tryptophan | 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 |
Metabonomic study on the anti-osteoporosis effect of Rhizoma Drynariae and its action mechanism using ultra-performance liquid chromatography-tandem mass spectrometry.
Topics: Alkaline Phosphatase; Animals; Biomarkers; Bone Density; Bone Density Conservation Agents; Chromatography, Liquid; Disease Models, Animal; Drugs, Chinese Herbal; Femur; Lysophosphatidylcholines; Metabolomics; Osteocalcin; Osteoporosis; Phenylalanine; Polypodiaceae; Prednisolone; Protein Carbonylation; Rats; Rats, Wistar; Rhizome; Tandem Mass Spectrometry; Tibia; Tryptophan | 2012 |
Strong association of phenylalanine and tryptophan metabolites with activated cytomegalovirus infection in kidney transplant recipients.
Topics: Cytomegalovirus Infections; Female; Humans; Kidney Transplantation; Male; Middle Aged; Phenylalanine; Tryptophan; Up-Regulation | 2012 |
Dynamic cross-talk among remote binding sites: the molecular basis for unusual synergistic allostery.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Allosteric Regulation; Binding Sites; Catalytic Domain; Crystallography, X-Ray; Macromolecular Substances; Models, Molecular; Molecular Dynamics Simulation; Mycobacterium tuberculosis; Phenylalanine; Protein Binding; Protein Interaction Domains and Motifs; Protein Multimerization; Protein Structure, Quaternary; Tryptophan; Validation Studies as Topic | 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 |
Role of tryptophan residues in a class V chitinase from Nicotiana tabacum.
Topics: Acetylglucosamine; Alanine; Binding Sites; Chitinases; Chromatography, High Pressure Liquid; Crystallography, X-Ray; Enzyme Stability; Escherichia coli; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Nicotiana; Phenylalanine; Plant Proteins; Plasmids; Recombinant Proteins; Tryptophan | 2012 |
The metabonomics of combined dietary exposure to phthalates and polychlorinated biphenyls in mice.
Topics: Animals; Biomarkers; Chlorodiphenyl (54% Chlorine); Chromatography, Liquid; Diethylhexyl Phthalate; Endocrine Disruptors; Female; Gene Expression Regulation; Lipid Metabolism; Liver; Lysophosphatidylcholines; Male; Mass Spectrometry; Metabolomics; Mice; Phenylalanine; Plasticizers; RNA, Messenger; Sex Factors; Tryptophan | 2012 |
Inhibition of tryptophan hydroxylase abolishes fatigue induced by central tryptophan in exercising rats.
Topics: Animals; Body Temperature; Body Temperature Regulation; Chlorine; Exercise Test; Fatigue; Fenclonine; Injections, Intraventricular; Male; Phenylalanine; Physical Conditioning, Animal; Rats; Rats, Wistar; Serotonin; Tryptophan; Tryptophan Hydroxylase | 2014 |
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 |
Resolution of the effects induced by W → F substitutions on the conformation and dynamics of the amyloid-forming apomyoglobin mutant W7FW14F.
Topics: Amino Acid Sequence; Amyloid; Animals; Apoproteins; Models, Molecular; Molecular Sequence Data; Mutation, Missense; Myoglobin; Phenylalanine; Protein Conformation; Protein Folding; Spectrum Analysis; Tryptophan; Whales | 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 |
Mapping spatial approximations between the amino terminus of secretin and each of the extracellular loops of its receptor using cysteine trapping.
Topics: Animals; Binding, Competitive; Chlorocebus aethiops; CHO Cells; COS Cells; Cricetinae; Cricetulus; Cysteine; Disulfides; Humans; Ligands; Models, Molecular; Mutation; Peptides; Phenylalanine; Proline; Protein Binding; Protein Interaction Mapping; Protein Structure, Tertiary; Receptors, G-Protein-Coupled; Receptors, Gastrointestinal Hormone; Secretin; Tryptophan | 2012 |
Lysosome-mediated apoptosis is associated with cathepsin D-specific processing of bid at Phe24, Trp48, and Phe183.
Topics: 14-3-3 Proteins; Animals; Apoptosis; bcl-2-Associated X Protein; BH3 Interacting Domain Death Agonist Protein; Cathepsin D; Humans; Intracellular Membranes; Lysosomes; Mice; Mitochondria; Permeability; Phenylalanine; Protein Processing, Post-Translational; Protein Transport; Proteolysis; Rats; Rats, Sprague-Dawley; Staurosporine; Substrate Specificity; Tryptophan | 2012 |
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 |
Cation-π interactions in β-lactamases: the role in structural stability.
Topics: Arginine; Bacteria; beta-Lactamases; Catalytic Domain; Cations; Enzyme Stability; Lysine; Phenylalanine; Protein Binding; Protein Interaction Mapping; Protein Structure, Secondary; Solvents; Tryptophan | 2013 |
Structural insights into the mechanism of four-coordinate Cob(II)alamin formation in the active site of the Salmonella enterica ATP:Co(I)rrinoid adenosyltransferase enzyme: critical role of residues Phe91 and Trp93.
Topics: Catalytic Domain; Kinetics; Models, Molecular; Phenylalanine; Protein Conformation; Salmonella enterica; Transferases; Tryptophan; Vitamin B 12 | 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 |
The cation-π interaction.
Topics: Anions; Benzene; Carbon; Cations; Hydrogen; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Phenylalanine; Proteins; Static Electricity; Tryptophan; Water | 2013 |
Aromatic amino acids in high selectivity bismuth(III) recognition.
Topics: Bismuth; Phenylalanine; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2013 |
Aromatic interactions with naphthylalanine in a β-hairpin peptide.
Topics: Alanine; Amino Acids, Aromatic; Dermatan Sulfate; Naphthalenes; Peptides; Phenylalanine; Tryptophan | 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 |
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 |
One-way and two-way pulsed electromembrane extraction for trace analysis of amino acids in foods and biological samples.
Topics: Amino Acids; Analysis of Variance; Animals; Cattle; Chromatography, High Pressure Liquid; Electrochemical Techniques; Ethers; Food Analysis; Histidine; Humans; Isoelectric Point; Milk; Phenylalanine; Spectrophotometry, Ultraviolet; Tryptophan | 2013 |
Amino acids as co-amorphous stabilizers for poorly water-soluble drugs--Part 2: molecular interactions.
Topics: Amino Acids; Carbamazepine; Catalytic Domain; Chemistry, Pharmaceutical; Drug Stability; Excipients; Hydrogen Bonding; Indomethacin; Molecular Weight; Phenylalanine; Solubility; Spectroscopy, Fourier Transform Infrared; Technology, Pharmaceutical; Tryptophan | 2013 |
Controlling enzyme inhibition using an expanded set of genetically encoded amino acids.
Topics: Alanine; Amino Acid Sequence; Amino Acid Substitution; Animals; Computer Simulation; Escherichia coli; Folic Acid; Folic Acid Antagonists; Methotrexate; Mice; Models, Molecular; Molecular Sequence Data; Naphthalenes; Phenylalanine; Protein Binding; Protein Engineering; Recombinant Proteins; Sequence Alignment; Tetrahydrofolate Dehydrogenase; Tryptophan | 2013 |
The role of aromatic L-amino acid decarboxylase in bacillamide C biosynthesis by Bacillus atrophaeus C89.
Topics: Amino Acid Sequence; Animals; Aromatic-L-Amino-Acid Decarboxylases; Bacillus; Decarboxylation; Dysidea; Molecular Sequence Data; Peptide Synthases; Phenylalanine; Sequence Alignment; Thiazoles; Tryptamines; Tryptophan | 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 |
The perturbation of tryptophan fluorescence by phenylalanine to alanine mutations identifies the hydrophobic core in a subset of bacterial Ig-like domains.
Topics: Alanine; Arthrobacter; Fluorescence; Hydrophobic and Hydrophilic Interactions; Immunoglobulins; Phenylalanine; Tryptophan | 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 |
Distinct metabolites for photoreactive L-phenylalanine derivatives in Klebsiella sp. CK6 isolated from rhizosphere of a wild dipterocarp sapling.
Topics: Benzophenones; Dipterocarpaceae; Klebsiella; Phenylalanine; Photoaffinity Labels; Rhizosphere; Tryptophan | 2013 |
Aβ(16-22) peptides can assemble into ordered β-barrels and bilayer β-sheets, while substitution of phenylalanine 19 by tryptophan increases the population of disordered aggregates.
Topics: Amino Acid Substitution; Amyloid beta-Peptides; Hydrogen-Ion Concentration; Hydrophobic and Hydrophilic Interactions; Molecular Dynamics Simulation; Peptide Fragments; Phenylalanine; Protein Structure, Secondary; Temperature; Thermodynamics; Tryptophan | 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 |
Manipulation of the tyrothricin production profile of Bacillus aneurinolyticus.
Topics: Anti-Infective Agents; Bacillus; Chromatography, Liquid; Culture Media; Fungi; Gram-Positive Bacteria; Mass Spectrometry; Phenylalanine; Plasmodium falciparum; Tryptophan; Tyrothricin | 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 |
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 |
[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 |
Small molecule immunomodulins from cultures of the human microbiome member Lactobacillus plantarum.
Topics: Animals; Dipeptides; Humans; Immunologic Factors; Inflammation Mediators; Interferon-gamma; Lactobacillus plantarum; Male; Metabolomics; Mice; Mice, Inbred C57BL; Microbiota; Phenylalanine; Principal Component Analysis; Pyrrolidonecarboxylic Acid; Tryptophan | 2014 |
The Successive Projections Algorithm for interval selection in trilinear partial least-squares with residual bilinearization.
Topics: Algorithms; Chromatography, High Pressure Liquid; Ciprofloxacin; Fluoroquinolones; Hydroquinones; Least-Squares Analysis; Levodopa; Ofloxacin; Phenylalanine; Software; Spectrophotometry, Ultraviolet; Tryptophan; Water | 2014 |
Unfolding study of a trimeric membrane protein AcrB.
Topics: Circular Dichroism; Escherichia coli; Escherichia coli Proteins; Kinetics; Models, Molecular; Multidrug Resistance-Associated Proteins; Mutation; Phenylalanine; Protein Denaturation; Protein Multimerization; Protein Refolding; Protein Structure, Secondary; Protein Structure, Tertiary; Sodium Dodecyl Sulfate; Tryptophan; Urea | 2014 |
Histidine degradation via an aminotransferase increases the nutritional flexibility of Candida glabrata.
Topics: Candida glabrata; Fungal Proteins; Histidine; Nitrogen; Phenylalanine; Species Specificity; Substrate Specificity; Transaminases; Tryptophan | 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 |
Interaction of aromatic units of amino acids with guanidinium cation: The interplay of π···π, X-H···π, and M+ ···π contacts.
Topics: Benzene; Guanidine; Histidine; Hydrogen Bonding; Indoles; Models, Molecular; Molecular Dynamics Simulation; Phenol; Phenylalanine; Static Electricity; Thermodynamics; Tryptophan | 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 |
Chiral separation of phenylalanine and tryptophan by capillary electrophoresis using a mixture of β-CD and chiral ionic liquid ([TBA] [L-ASP]) as selectors.
Topics: beta-Cyclodextrins; Electrophoresis, Capillary; Ionic Liquids; Phenylalanine; Stereoisomerism; Tryptophan | 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 |
Picosecond-resolved fluorescent probes at functionally distinct tryptophans within a thermophilic alcohol dehydrogenase: relationship of temperature-dependent changes in fluorescence to catalysis.
Topics: Acrylamide; Alcohol Dehydrogenase; Bacterial Proteins; Biocatalysis; Catalytic Domain; Enzyme Stability; Fluorescence; Fluorescent Dyes; Geobacillus stearothermophilus; Kinetics; Mutagenesis, Site-Directed; Phenylalanine; Spectrometry, Fluorescence; Temperature; Thermodynamics; Tryptophan; Zinc | 2014 |
[Metabonomic study on the anti-liver injury effect of Si-Ni-San on rats by using UPLC-MS/MS].
Topics: Animals; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Chromatography, High Pressure Liquid; Drugs, Chinese Herbal; Glycodeoxycholic Acid; Lysophosphatidylcholines; Male; Metabolomics; Phenylalanine; Plants, Medicinal; Principal Component Analysis; Random Allocation; Rats; Rats, Sprague-Dawley; Tandem Mass Spectrometry; Tryptophan | 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 |
Tryptophan requirement of pregnant sows.
Topics: Age Factors; Animals; Biomarkers; Body Weight; Calorimetry, Indirect; Carbon Isotopes; Diet; Energy Metabolism; Female; Kinetics; Linear Models; Nutritional Requirements; Parity; Phenylalanine; Pregnancy; Swine; Tryptophan | 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 |
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 |
Differential repositioning of the second transmembrane helices from E. coli Tar and EnvZ upon moving the flanking aromatic residues.
Topics: Amino Acid Motifs; Bacterial Outer Membrane Proteins; Cell Membrane; Cytoplasm; Escherichia coli; Escherichia coli Proteins; Leucine; Molecular Dynamics Simulation; Molecular Sequence Data; Multienzyme Complexes; Phenylalanine; Protein Structure, Secondary; Receptors, Cell Surface; Sequence Alignment; Signal Transduction; Structure-Activity Relationship; Tryptophan | 2015 |
The role of tryptophans on the cellular uptake and membrane interaction of arginine-rich cell penetrating peptides.
Topics: Amino Acid Sequence; Amino Acid Substitution; Animals; Cell Membrane; Cell Membrane Permeability; Cell Survival; Cell-Penetrating Peptides; CHO Cells; Cricetulus; Humans; Hydrophobic and Hydrophilic Interactions; Molecular Sequence Data; Phenylalanine; Phosphatidylcholines; Phosphatidylglycerols; Protein Binding; Protein Structure, Secondary; Protein Transport; Static Electricity; Structure-Activity Relationship; Tryptophan | 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 |
Substrate specificity and biochemical characterization of an adenylation domain from an obligate marine actinomycete.
Topics: Aquatic Organisms; Cloning, Molecular; Escherichia coli; Gene Expression; Kinetics; Micromonosporaceae; Peptide Synthases; Phenylalanine; Substrate Specificity; Tryptophan | 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 |
Tryptophan-dependent membrane interaction and heteromerization with the internal fusion peptide by the membrane proximal external region of SARS-CoV spike protein.
Topics: Alanine; Amino Acid Substitution; Animals; Cell Membrane; Chlorocebus aethiops; Peptide Fragments; Phenylalanine; Protein Binding; Protein Interaction Domains and Motifs; Protein Multimerization; Severe acute respiratory syndrome-related coronavirus; Spike Glycoprotein, Coronavirus; Tryptophan; Vero Cells; Viral Fusion Proteins | 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 |
Equivalent Isopropanol Concentrations of Aromatic Amino Acids Interactions with Lipid Vesicles.
Topics: 2-Propanol; Glycerylphosphorylcholine; Magnetic Resonance Spectroscopy; Phenylalanine; Phosphatidylcholines; Phosphatidylserines; 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 |
Iminolactones from Schizophyllum commune.
Topics: Alkaloids; Animals; Antineoplastic Agents; Denmark; Drug Screening Assays, Antitumor; Female; Fruiting Bodies, Fungal; Humans; Lactones; Male; Molecular Structure; Oxazines; Phenylalanine; Schizophyllum; Tryptophan | 2015 |
Isolation, purification and identification of antioxidants in an aqueous aged garlic extract.
Topics: Antioxidants; Benzothiazoles; Carbolines; Chemical Fractionation; Chromatography, High Pressure Liquid; Garlic; Gas Chromatography-Mass Spectrometry; Magnetic Resonance Spectroscopy; Phenols; Phenylalanine; Plant Extracts; Sulfonic Acids; Tryptophan | 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 |
Dehydrodipeptide Hydrogelators Containing Naproxen N-Capped Tryptophan: Self-Assembly, Hydrogel Characterization, and Evaluation as Potential Drug Nanocarriers.
Topics: Alanine; Cell Line, Tumor; Circular Dichroism; Drug Carriers; Humans; Hydrogels; Hydrophobic and Hydrophilic Interactions; MCF-7 Cells; Microscopy, Electron, Transmission; Models, Theoretical; Naphthalenes; Naproxen; Phenylalanine; Rheology; Tryptophan | 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 |
Temperature-responsive molecular recognition chromatography using phenylalanine and tryptophan derived polymer modified silica beads.
Topics: Acrylic Resins; Amino Acids; Chromatography, High Pressure Liquid; Estradiol; Estriol; Fluocinonide; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Naphthalenes; Nitro Compounds; Phase Transition; Phenylalanine; Silicon Dioxide; Testosterone; Tryptophan | 2016 |
Milk protein yield and mammary metabolism are affected by phenylalanine deficiency but not by threonine or tryptophan deficiency.
Topics: 3-Hydroxybutyric Acid; Animals; Arteries; Cattle; Female; Lactation; Mammary Glands, Animal; Milk; Milk Proteins; Phenylalanine; Threonine; Tryptophan; Urea | 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 |
Efficient synthesis of both diastereomers of β,γ-diamino acids from phenylalanine and tryptophan.
Topics: Phenylalanine; Stereoisomerism; Tryptophan; Ultrasonic Waves | 2016 |
Auxin Biosynthesis: Are the Indole-3-Acetic Acid and Phenylacetic Acid Biosynthesis Pathways Mirror Images?
Topics: Biosynthetic Pathways; Chromatography, High Pressure Liquid; Enzyme Assays; Genes, Plant; Indoleacetic Acids; Indoles; Mass Spectrometry; Mutation; Phenylacetates; Phenylalanine; Pisum sativum; Plant Proteins; Tryptophan; Zea mays | 2016 |
GPR142 Controls Tryptophan-Induced Insulin and Incretin Hormone Secretion to Improve Glucose Metabolism.
Topics: Animals; Blood Glucose; Diabetes Mellitus, Type 2; Glucose; Humans; Incretins; Insulin; Insulin Secretion; Insulin-Secreting Cells; Islets of Langerhans; Mice; Mice, Knockout; Phenylalanine; Receptors, G-Protein-Coupled; Tryptophan | 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 |
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 |
Constrained Cyclopeptides: Biaryl Formation through Pd-Catalyzed C-H Activation in Peptides-Structural Control of the Cyclization vs. Cyclodimerization Outcome.
Topics: Catalysis; Cyclization; Dimerization; Indoles; Palladium; Peptides, Cyclic; Phenylalanine; Protein Conformation; Tryptophan | 2016 |
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 |
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 |
Activation of Tryptophan and Phenylalanine Catabolism in the Remission Phase of Allergic Contact Dermatitis: A Pilot Study.
Topics: Adult; Allergens; Case-Control Studies; Dermatitis, Allergic Contact; Disease Susceptibility; Female; Humans; Male; Metabolome; Metabolomics; Middle Aged; Phenylalanine; Pilot Projects; Tryptophan; Young Adult | 2016 |
Urine metabolomics of high-fat diet induced obesity using UHPLC-Q-TOF-MS.
Topics: Animals; Biomarkers; Chromatography, High Pressure Liquid; Diet, High-Fat; Gastrointestinal Microbiome; Glucose; Insulin Resistance; Male; Mass Spectrometry; Metabolomics; Multivariate Analysis; Obesity; Oxidative Stress; Phenylalanine; Principal Component Analysis; Rats; Rats, Sprague-Dawley; Tryptophan; Urinalysis | 2017 |
Effects of amino acid supplementations on metabolic and physiological parameters in Atlantic cod (Gadus morhua) under stress.
Topics: Air; Alanine Transaminase; Animals; Aspartate Aminotransferases; Blood Glucose; Dietary Supplements; Fish Proteins; Fructose-Bisphosphatase; Gadus morhua; Glucosephosphate Dehydrogenase; Hot Temperature; Hydrocortisone; Lactic Acid; Liver; Muscles; Phenylalanine; Phosphofructokinase-1; Pyruvate Kinase; Stress, Physiological; Tryptophan | 2017 |
Two adjacent phenylalanines in the NMDA receptor GluN2A subunit M3 domain interactively regulate alcohol sensitivity and ion channel gating.
Topics: Ethanol; Glutamic Acid; HEK293 Cells; Humans; Ion Channel Gating; Mutation; Phenylalanine; Protein Subunits; Receptors, N-Methyl-D-Aspartate; Tryptophan | 2017 |
Unexpectedly Enhanced Solubility of Aromatic Amino Acids and Peptides in an Aqueous Solution of Divalent Transition-Metal Cations.
Topics: Amino Acids; Cations; Cations, Divalent; Dipeptides; Metals; Peptides; Phenylalanine; Solubility; Transition Elements; Tryptophan | 2016 |
Development of a Postcolumn Infused-Internal Standard Liquid Chromatography Mass Spectrometry Method for Quantitative Metabolomics Studies.
Topics: Breast Neoplasms; Calibration; Chromatography, Liquid; Female; Flow Injection Analysis; Humans; Metabolomics; Observer Variation; Phenylalanine; Principal Component Analysis; Reference Standards; Reproducibility of Results; Spectrometry, Mass, Electrospray Ionization; Tryptophan | 2017 |
Measurement analysis of two radials with a common-origin point and its application.
Topics: beta-Cyclodextrins; Cerium; Chlorpromazine; Dynamic Light Scattering; Europium; Isomerism; Models, Theoretical; Naphthols; Phenylalanine; Promethazine; Quantum Dots; Signal Processing, Computer-Assisted; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan | 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 |
Copper nanocluster-enhanced luminol chemiluminescence for high-selectivity sensing of tryptophan and phenylalanine.
Topics: Copper; Humans; Luminescence; Luminescent Measurements; Luminol; Phenylalanine; Sensitivity and Specificity; Tryptophan | 2017 |
Structural and energetic study of cation-π-cation interactions in proteins.
Topics: Cations; Humans; Metals; Phenylalanine; Protein Structure, Tertiary; Proteins; Quantum Theory; Receptors, Somatotropin; Thermodynamics; Tryptophan | 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 |
The GPR139 reference agonists 1a and 7c, and tryptophan and phenylalanine share a common binding site.
Topics: Binding Sites; DNA Mutational Analysis; Humans; Models, Molecular; Molecular Docking Simulation; Nerve Tissue Proteins; Phenylalanine; Receptors, G-Protein-Coupled; Tryptophan | 2017 |
Aziridine-Mediated Ligation at Phenylalanine and Tryptophan Sites.
Topics: Aziridines; Chemistry Techniques, Analytical; Peptide Library; Peptides; Phenylalanine; Stereoisomerism; Tryptophan | 2017 |
Quaternary structure is an essential component that contributes to the sophisticated allosteric regulation mechanism in a key enzyme from Mycobacterium tuberculosis.
Topics: 3-Deoxy-7-Phosphoheptulonate Synthase; Allosteric Regulation; Amino Acid Substitution; Crystallography, X-Ray; Dimerization; Molecular Dynamics Simulation; Mutagenesis; Mycobacterium tuberculosis; Phenylalanine; Protein Structure, Quaternary; Tryptophan | 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 |
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 |
Monitoring Replication Protein A (RPA) dynamics in homologous recombination through site-specific incorporation of non-canonical amino acids.
Topics: Azides; DNA, Single-Stranded; Fluorescent Dyes; Homologous Recombination; Microscopy, Fluorescence; Phenylalanine; Rad51 Recombinase; Replication Protein A; Saccharomyces cerevisiae Proteins; Tryptophan | 2017 |
Low-Energy Collisions of Protonated Enantiopure Amino Acids with Chiral Target Gases.
Topics: Amino Acids; Butanols; Gases; Methionine; Models, Molecular; Phenylalanine; Phenylethyl Alcohol; Protons; Stereoisomerism; Tandem Mass Spectrometry; Thermodynamics; Tryptophan | 2017 |
Characterization of d-succinylase from Cupriavidus sp. P4-10-C and its application in d-amino acid synthesis.
Topics: Amino Acid Isomerases; Amino Acids; Cloning, Molecular; Cupriavidus; Kinetics; Metabolic Engineering; Phenylalanine; Succinic Acid; Temperature; Tryptophan; Valine | 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 |
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 |
Plasma sample based analysis of gastric cancer progression using targeted metabolomics.
Topics: Adult; Aged; Biomarkers, Tumor; Disease Progression; Female; Gastritis; Helicobacter Infections; Humans; Male; Metabolic Networks and Pathways; Metabolome; Metabolomics; Middle Aged; Phenylalanine; Plasma; Stomach; Stomach Neoplasms; Tryptophan | 2017 |
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 |
Identification and functional analyses of differentially expressed metabolites in early stage endometrial carcinoma.
Topics: Apoptosis; Autophagy; Cell Line, Tumor; Cell Movement; Cell Proliferation; Endometrial Neoplasms; Female; Humans; Indoles; Metabolome; Metabolomics; Middle Aged; Neoplasm Invasiveness; Phenylalanine; Platelet Activating Factor; Tryptophan; Tumor Necrosis Factor-alpha | 2018 |
A Novel Concept of Amino Acid Supplementation to Improve the Growth of Young Malnourished Male Rats.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Biometry; Diet; Dietary Supplements; Humans; Lysine; Male; Methionine; Phenylalanine; Protein Deficiency; Rats; Rats, Wistar; Tryptophan | 2018 |
Phenylalanine and tryptophan stimulate gastrin and somatostatin secretion and H
Topics: Animals; Central Nervous System Stimulants; Gastrins; H(+)-K(+)-Exchanging ATPase; Humans; Phenylalanine; Receptors, Calcium-Sensing; Somatostatin; Swine; Tryptophan | 2018 |
Chiral Poly(ionic liquid) with Nonconjugated Backbone as a Fluorescent Enantioselective Sensor for Phenylalaninol and Tryptophan.
Topics: Fluorescent Dyes; Ionic Liquids; Magnetic Resonance Spectroscopy; Nanoconjugates; Phenylalanine; Spectrophotometry, Ultraviolet; Stereoisomerism; Tryptophan | 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 |
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 |
Immunological alterations in frail older adults: A cross sectional study.
Topics: Aged; Aged, 80 and over; Biomarkers; C-Reactive Protein; Cross-Sectional Studies; Female; Frail Elderly; Frailty; Humans; Kynurenine; Logistic Models; Male; Multivariate Analysis; Neopterin; Phenylalanine; Reproducibility of Results; Tryptophan | 2018 |
An integrative UHPLC-MS/MS untargeted metabonomics combined with quantitative analysis of the therapeutic mechanism of Si-Ni-San.
Topics: Animals; Biomarkers; Chemical and Drug Induced Liver Injury; Chromatography, High Pressure Liquid; Drugs, Chinese Herbal; Male; Metabolomics; Phenylalanine; Principal Component Analysis; Quality Control; Rats; Rats, Sprague-Dawley; Tandem Mass Spectrometry; Tryptophan | 2019 |
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 |
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 |
Biochemical Differences in Cerebrospinal Fluid between Secondary Progressive and Relapsing⁻Remitting Multiple Sclerosis.
Topics: Adult; Case-Control Studies; Female; Humans; Kynurenine; Male; Metabolome; Middle Aged; Multiple Sclerosis, Chronic Progressive; Multiple Sclerosis, Relapsing-Remitting; Phenylalanine; Pyrimidines; Serotonin; Tryptophan | 2019 |
Tryptophan Requirement in School-Age Children Determined by the Indicator Amino Acid Oxidation Method is Similar to Current Recommendations.
Topics: Carbon Isotopes; Child; Energy Metabolism; Female; Humans; Male; Nutritional Requirements; Oxidation-Reduction; Phenylalanine; Tryptophan | 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 |
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 |
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 |
L-Amino Acids Promote Calcitonin Release via a Calcium-Sensing Receptor: Gq/11-Mediated Pathway in Human C-Cells.
Topics: Calcitonin; Calcium; Humans; Phenylalanine; Receptors, Calcium-Sensing; Signal Transduction; Thyroid Epithelial Cells; Tryptophan | 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 |
Untargeted metabolomics coupled with chemometrics analysis reveals potential non-volatile markers during oolong tea shaking.
Topics: Catechin; Chromatography, High Pressure Liquid; Databases, Factual; Food Quality; Glutamates; Metabolomics; Phenylalanine; Plant Leaves; Proline; Tea; Tryptophan; Volatile Organic Compounds | 2019 |
Development of an underivatized LC-MS/MS method for quantitation of 14 neurotransmitters in rat hippocampus, plasma and urine: Application to CUMS induced depression rats.
Topics: Animals; Blood Chemical Analysis; Chromatography, Liquid; Depression; Disease Models, Animal; Glutamic Acid; Hippocampus; Kynurenic Acid; Kynurenine; Limit of Detection; Linear Models; Male; Neurotransmitter Agents; Phenylalanine; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Tandem Mass Spectrometry; Tryptophan; Urinalysis | 2019 |
Optical screening of hepatitis-B infected blood sera using optical technique and neural network classifier.
Topics: Bilirubin; Hepatitis B; Humans; Neural Networks, Computer; Pakistan; Phenylalanine; Predictive Value of Tests; Sensitivity and Specificity; Serum Albumin; Spectrum Analysis, Raman; Tryptophan | 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 |
Tryptophan requirements in small, medium, and large breed adult dogs using the indicator amino acid oxidation technique1.
Topics: Amino Acids; Amino Acids, Essential; Animals; Body Size; Body Weight; Calorimetry, Indirect; Diet; Dogs; Female; Male; Nutritional Requirements; Oxidation-Reduction; Phenylalanine; Random Allocation; Species Specificity; Tryptophan | 2019 |
Copper(ii) complexes with alloferon analogues containing phenylalanine H6F and H12F stability and biological activity lower stabilization of complexes compared to analogues containing tryptophan.
Topics: Animals; Apoptosis; Coordination Complexes; Copper; Drug Stability; Hemocytes; Peptides; Phenylalanine; Tenebrio; Tryptophan | 2019 |
Bond stability of conventional adhesive system with MMP inhibitors to superficial and deep dentin.
Topics: Acid Etching, Dental; Adhesives; Adolescent; Adult; Chlorhexidine; Composite Resins; Dental Bonding; Dentin; Dentin-Bonding Agents; Humans; In Vitro Techniques; Linear Models; Materials Testing; Matrix Metalloproteinase Inhibitors; Phenylalanine; Resin Cements; Solubility; Stress, Mechanical; Surface Properties; Tensile Strength; Thiophenes; Tryptophan; Young Adult | 2019 |
Recent developments in isotope-aided NMR methods for supramolecular protein complexes -SAIL aromatic TROSY.
Topics: Carbon Isotopes; Escherichia coli; Macromolecular Substances; Magnetic Resonance Spectroscopy; Malate Synthase; Mutation; Peptides; Phenylalanine; Protein Structure, Secondary; Proteins; Protons; Tryptophan | 2020 |
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 |
The association of tryptophan and phenylalanine are associated with arsenic-induced skin lesions in a Chinese population chronically exposed to arsenic via drinking water: a case-control study.
Topics: Adult; Arsenic Poisoning; Case-Control Studies; China; Chromatography, High Pressure Liquid; Drinking Water; Environmental Exposure; Female; Humans; Male; Metabolomics; Middle Aged; Phenylalanine; Skin Diseases; Surveys and Questionnaires; Tryptophan | 2019 |
New potential green, bioactive and antimicrobial nanocomposites based on cellulose and amino acid.
Topics: Anti-Infective Agents; Bacteria; Candida albicans; Cellulose; Nanocomposites; Phenylalanine; Tryptophan | 2020 |
Self-Assembly of Aromatic Amino Acid Enantiomers into Supramolecular Materials of High Rigidity.
Topics: Macromolecular Substances; Molecular Dynamics Simulation; Particle Size; Phenylalanine; Stereoisomerism; Surface Properties; Tryptophan | 2020 |
Ultrafast Quantum Interference in the Charge Migration of Tryptophan.
Topics: Density Functional Theory; Phenylalanine; Tryptophan | 2020 |
Synthesis of bio-functional nanoparticles from sono-responsive amino acids using high frequency ultrasound.
Topics: Food Handling; Nanoparticles; Phenylalanine; Spectrum Analysis; Tryptophan; Ultrasonic Waves | 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 |
What does fluorine do to a protein? Thermodynamic, and highly-resolved structural insights into fluorine-labelled variants of the cold shock protein.
Topics: Bacillus subtilis; Bacterial Proteins; Crystallography, X-Ray; Fluorine; Halogenation; Models, Molecular; Nuclear Magnetic Resonance, Biomolecular; Phenylalanine; Protein Conformation; Protein Stability; Thermodynamics; Tryptophan | 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 |
Modulation of auxin formation by the cytosolic phenylalanine biosynthetic pathway.
Topics: Biosynthetic Pathways; Cytosol; Indoleacetic Acids; Indoles; Phenylalanine; Phenylpyruvic Acids; Plants; Tryptophan | 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 |
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 |
Post-translational formation of strained cyclophanes in bacteria.
Topics: Bacteria; Biological Products; Ethers, Cyclic; Indoles; Peptides, Cyclic; Phenylalanine; Protein Processing, Post-Translational; Proteomics; Tryptophan | 2020 |
Application of achiral-chiral two-dimensional HPLC for separation of phenylalanine and tryptophan enantiomers in dietary supplement.
Topics: Chromatography, High Pressure Liquid; Dietary Supplements; Limit of Detection; Linear Models; Phenylalanine; Reproducibility of Results; Stereoisomerism; Tryptophan | 2021 |
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 |
Plant growth-stimulating rhizobacteria capable of producing L-amino acids.
Topics: Crops, Agricultural; Phenylalanine; Phosphates; Plant Roots; Pseudomonas putida; Rhizosphere; Soil Microbiology; Tryptophan | 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 |
Electron transfer pathways from quantum dynamics simulations.
Topics: Electron Transport; Heme; Models, Chemical; Molecular Dynamics Simulation; Peroxidases; Phenylalanine; Quantum Theory; Trypanosoma cruzi; Tryptophan | 2020 |
A multifunctional α-amylase BSGH13 from Bacillus subtilis BS-5 possessing endoglucanase and xylanase activities.
Topics: alpha-Amylases; Amino Acid Substitution; Bacillus subtilis; Bacterial Proteins; Catalytic Domain; Cellulase; Cellulose; Cloning, Molecular; Endo-1,4-beta Xylanases; Escherichia coli; Gene Expression; Genetic Vectors; Kinetics; Maltose; Models, Molecular; Mutation; Phenylalanine; Protein Binding; Protein Conformation, alpha-Helical; Protein Conformation, beta-Strand; Protein Interaction Domains and Motifs; Recombinant Proteins; Structural Homology, Protein; Structure-Activity Relationship; Substrate Specificity; Tetroses; Tryptophan; Xylans | 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 |
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 |
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 |
Determination and Application of Nineteen Monoamines in the Gut Microbiota Targeting Phenylalanine, Tryptophan, and Glutamic Acid Metabolic Pathways.
Topics: Animals; Biogenic Monoamines; Gastrointestinal Microbiome; Glutamic Acid; Male; Metabolic Networks and Pathways; Neurotransmitter Agents; Phenylalanine; Rats; Rats, Sprague-Dawley; Tryptophan | 2021 |
Late-Stage Macrocyclization of Bioactive Peptides with Internal Oxazole Motifs via Palladium-Catalyzed C-H Olefination.
Topics: Catalysis; Molecular Structure; Oxazoles; Palladium; Peptides; Phenylalanine; Tryptophan | 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 |
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 |
Heat Capacities of l-Histidine, l-Phenylalanine, l-Proline, l-Tryptophan and l-Tyrosine.
Topics: Histidine; Hot Temperature; Phenylalanine; Proline; Thermodynamics; Tryptophan; Tyrosine | 2021 |
Arginine-phenylalanine and arginine-tryptophan-based surfactants as new biocompatible antifungal agents and their synergistic effect with Amphotericin B against fluconazole-resistant Candida strains.
Topics: Amphotericin B; Antifungal Agents; Arginine; Biofilms; Candida; Drug Resistance, Fungal; Fluconazole; Microbial Sensitivity Tests; Phenylalanine; Surface-Active Agents; Tryptophan | 2021 |
Metabolomics profiling predicts outcome of tocilizumab in rheumatoid arthritis: an exploratory study.
Topics: 3-Hydroxybutyric Acid; Antibodies, Monoclonal, Humanized; Antirheumatic Agents; Arthritis, Rheumatoid; Humans; Metabolomics; Phenylalanine; Phosphorylcholine; Tryptophan | 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 |
Discovery and Preclinical Pharmacology of an Oral Bromodomain and Extra-Terminal (BET) Inhibitor Using Scaffold-Hopping and Structure-Guided Drug Design.
Topics: Administration, Oral; Antineoplastic Agents; Carbazoles; Cell Cycle Proteins; Dose-Response Relationship, Drug; Drug Discovery; Humans; Molecular Structure; Phenylalanine; Proline; Structure-Activity Relationship; Transcription Factors; Tryptophan | 2021 |
Dietary tryptophan, tyrosine, and phenylalanine depletion induce reduced food intake and behavioral alterations in mice.
Topics: Animals; Diet; Eating; Mice; Phenylalanine; Tryptophan; Tyrosine | 2022 |
A systematic study of the valence electronic structure of cyclo(Gly-Phe), cyclo(Trp-Tyr) and cyclo(Trp-Trp) dipeptides in the gas phase.
Topics: Density Functional Theory; Dipeptides; Electrons; Gases; Oligopeptides; Peptides, Cyclic; Phenylalanine; Tryptophan | 2021 |
Growth modulation and metabolic responses of Ganoderma boninense to salicylic acid stress.
Topics: Alanine; Arecaceae; Carbohydrates; Carbon; Chromatography, Liquid; Cluster Analysis; Coumarins; Culture Media; Ganoderma; In Vitro Techniques; Ions; Lipids; Mass Spectrometry; Melanins; Phenols; Phenylalanine; Plant Diseases; Plant Roots; Salicylic Acid; Tryptophan | 2021 |
Protein nanowires with tunable functionality and programmable self-assembly using sequence-controlled synthesis.
Topics: Chemical Phenomena; Electric Conductivity; Escherichia coli; Fimbriae Proteins; Fimbriae, Bacterial; Gold; Metal Nanoparticles; Nanostructures; Nanowires; Phenylalanine; Protein Engineering; Proteins; Tryptophan | 2022 |
Molecular and neuronal mechanisms for amino acid taste perception in the Drosophila labellum.
Topics: Amino Acids; Animals; Arginine; Drosophila; Drosophila melanogaster; Drosophila Proteins; Glycine; Lysine; Phenylalanine; Proline; Receptors, Cell Surface; Sensory Receptor Cells; Taste; Taste Perception; Threonine; Tryptophan | 2022 |
Tryptophan depletion results in tryptophan-to-phenylalanine substitutants.
Topics: Codon; Indoleamine-Pyrrole 2,3,-Dioxygenase; Interferon-gamma; Neoplasms; Phenylalanine; T-Lymphocytes; Tryptophan; Tryptophan Oxygenase; Tryptophan-tRNA Ligase | 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 |
Influence of Hydrophobicity in the Hydrophilic Region of Cationic Lipids on Enhancing Nucleic Acid Delivery and Gene Editing.
Topics: alpha-Tocopherol; Amino Acids; Cations; Gene Editing; Gene Transfer Techniques; Hydrophobic and Hydrophilic Interactions; Lipids; Nucleic Acids; Phenylalanine; Triazoles; Tryptophan | 2022 |
Brain Functional Network and Amino Acid Metabolism Association in Females with Subclinical Depression.
Topics: Brain; Depression; Electroencephalography; Female; Humans; Phenylalanine; 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 |
Tryptophan-to-Phenylalanine Codon Reassignment Induces Immunoreactivity.
Topics: Codon; Humans; Phenylalanine; Tryptophan | 2022 |
Naphthalene-functionalized resorcinarene as selective, fluorescent self-quenching sensor for kynurenic acid.
Topics: Calixarenes; Humans; Kynurenic Acid; Naphthalenes; Phenylalanine; Tryptophan; Water | 2022 |
Luminescence and morphological behaviour of the aromatic dipeptide pair having singular structural variability.
Topics: Dipeptides; Luminescence; Peptides; Phenylalanine; Tryptophan | 2023 |
The Magic of Linking Rings: Discovery of a Unique Photoinduced Fluorescent Protein Crosslink.
Topics: Phenylalanine; Spectrometry, Fluorescence; Tryptophan | 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 |
Effects of tryptophan and phenylalanine on tryptophol production in Saccharomyces cerevisiae revealed by transcriptomic and metabolomic analyses.
Topics: Alcohols; Indoles; Phenylalanine; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Transcriptome; Tryptophan | 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 regulates bile and nitrogen metabolism in two pig gut lactobacilli species in vitro based on metabolomics study.
Topics: Amino Acids; Animals; Bile; Glycine; Humans; Metabolomics; Nitrogen; Phenylalanine; Swine; Tryptophan | 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 |
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 |
Community Dynamics in Structure and Function of Honey Bee Gut Bacteria in Response to Winter Dietary Shift.
Topics: Animals; Bacteria; Bees; Diet; Ethanol; Gastrointestinal Microbiome; Lactates; Phenylalanine; Pyruvates; Seasons; Tryptophan | 2022 |
Rapid, sensitive analysis method for determining the nitrogen stable isotope ratio of total free amino acids in soil.
Topics: Alanine; Amino Acids; Arginine; Asparagine; Aspartic Acid; Cysteine; gamma-Aminobutyric Acid; Glutamic Acid; Glycine; Histidine; Leucine; Lysine; Nitrogen; Nitrogen Isotopes; Phenylalanine; Serine; Soil; Tryptophan | 2022 |
Influence of nitrogen sources on the tolerance of Lacticaseibacillus rhamnosus to heat stress and oxidative stress.
Topics: Glutamates; Heat-Shock Response; Histidine; Isoleucine; Lacticaseibacillus rhamnosus; Nitrogen; Oxidative Stress; Phenylalanine; Powders; Probiotics; Tryptophan; Valine | 2022 |
Exposure to the environmentally toxic pesticide maneb induces Parkinson's disease-like neurotoxicity in mice: A combined proteomic and metabolomic analysis.
Topics: alpha-Synuclein; Animals; Environmental Pollutants; Fungicides, Industrial; Humans; Maneb; Metabolomics; Mice; Neuroblastoma; Neurotoxicity Syndromes; Paraquat; Parkinson Disease; Pesticides; Phenylalanine; Proteomics; Tryptophan | 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 |
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 |
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 |
The MDMX Acidic Domain Uses Allovalency to Bind Both p53 and MDMX.
Topics: Amino Acid Motifs; Humans; Phenylalanine; Protein Binding; Protein Domains; Proto-Oncogene Proteins c-mdm2; Tryptophan; Tumor Suppressor Protein p53 | 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 |
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 |
CORK1, A LRR-Malectin Receptor Kinase, Is Required for Cellooligomer-Induced Responses in
Topics: Arabidopsis; Cellulose; Mitogens; Phenylalanine; Protein Kinases; Reactive Oxygen Species; Tryptophan | 2022 |
Altered gut microbiota and gut-derived p-cresyl sulfate serum levels in peritoneal dialysis patients.
Topics: Bacteria; Gastrointestinal Microbiome; Humans; Indican; Methylamines; Oxides; Peritoneal Dialysis; Phenylalanine; RNA, Ribosomal, 16S; Sulfates; Sulfur; Tryptophan | 2022 |
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 |
Metabolomics Profiling of Nephrotic Syndrome towards Biomarker Discovery.
Topics: Arginine; Biomarkers; Humans; Lysine; Metabolome; Metabolomics; Nephrotic Syndrome; Phenylalanine; Proline; Threonine; Tryptophan; Tyrosine | 2022 |
Serum Metabolomics of Benign Essential Blepharospasm Using Liquid Chromatography and Orbitrap Mass Spectrometry.
Topics: Chromatography, Liquid; Humans; Mass Spectrometry; Metabolomics; Phenylalanine; Tryptophan | 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 |
Chiral template-induced porphyrin-based self-assembled materials for electrochemical chiral sensing.
Topics: Carbon; Nanostructures; Phenylalanine; Porphyrins; Tryptophan | 2023 |
Entropically-Driven Co-assembly of l-Histidine and l-Phenylalanine to Form Supramolecular Materials.
Topics: Amino Acids; Amino Acids, Aromatic; Histidine; Phenylalanine; Tryptophan | 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 |
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 |
Decasubstituted Pillar[5]arene Derivatives Containing
Topics: Fluorescein; Nanoparticles; Phenylalanine; Tryptophan | 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 |
Atomic Insight on Inhibition of Fibrillization of Dipeptides by Replacement of Phenylalanine with Tryptophan.
Topics: Crystallography, X-Ray; Dipeptides; Hydrogen Bonding; Peptides; Phenylalanine; Protein Conformation; Tryptophan | 2023 |
Aromatic Amino Acids and Their Interactions with Gut Microbiota-Related Metabolites for Risk of Gestational Diabetes: A Prospective Nested Case-Control Study in a Chinese Cohort.
Topics: Amino Acids, Aromatic; Case-Control Studies; Diabetes, Gestational; East Asian People; Female; Gastrointestinal Microbiome; Humans; Phenylalanine; Pregnancy; Prospective Studies; Tryptophan | 2023 |
Uncovering the Molecular Mechanisms of Cosolvency and Predicting the Cosolvency Phenomenon by Molecular Simulations: A Case Study of Amino Acids.
Topics: Alanine; Amino Acids; Phenylalanine; Proline; Tryptophan | 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 |
Nordic Walking training in BungyPump form improves cognitive functions and physical performance and induces changes in amino acids and kynurenine profiles in older adults.
Topics: Amino Acids; Brain-Derived Neurotrophic Factor; Cognition; Fibronectins; Kynurenine; Nordic Walking; Phenylalanine; Physical Functional Performance; Tryptophan | 2023 |
Heavy Water Reduces the Electronic Conductance of Protein Wires via Deuteron Interactions with Aromatic Residues.
Topics: Deuterium; Deuterium Oxide; Phenylalanine; Proteins; Protons; Solvents; Tryptophan | 2023 |
Microbial synthesis of the plant natural product precursor p-coumaric acid with Corynebacterium glutamicum.
Topics: Corynebacterium glutamicum; Glucose; Metabolic Engineering; Phenylalanine; Plants; Polyphenols; Resveratrol; Tryptophan | 2023 |
Peptidomimetics based on ammonium decasubstituted pillar[5]arenes: Influence of the alpha-amino acid residue nature on cholinesterase inhibition.
Topics: Acetylcholinesterase; Alzheimer Disease; Butyrylcholinesterase; Cholinesterase Inhibitors; Humans; Molecular Docking Simulation; Peptidomimetics; Phenylalanine; Structure-Activity Relationship; Tryptophan | 2023 |
Untargeted and Targeted Metabolomics Reveal the Active Peptide of
Topics: Animals; Arginine; Hominidae; Hyperlipidemias; Metabolic Diseases; Metabolomics; Peptides; Phenylalanine; Rats; Sterol Regulatory Element Binding Protein 1; Tryptophan | 2023 |
Colon-specific mutual amide prodrugs of 4-aminosalicylic acid for their mitigating effect on experimental colitis in rats.
Topics: Aminosalicylic Acids; Animals; Colitis; Colon; Drug Delivery Systems; Drug Stability; Drug-Related Side Effects and Adverse Reactions; Liver; Pancreas; Prodrugs; Rats; Ulcer | 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 |