pyridoxamine has been researched along with pyridoxal phosphate in 225 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 123 (54.67) | 18.7374 |
| 1990's | 41 (18.22) | 18.2507 |
| 2000's | 22 (9.78) | 29.6817 |
| 2010's | 32 (14.22) | 24.3611 |
| 2020's | 7 (3.11) | 2.80 |
| Authors | Studies |
|---|---|
| Hashim, A; Juneja, K; Ming, LJ; Wang, L; Ye, Y; Zhao, Y | 1 |
| Cheng, L; Rando, RR; Relyea, N | 1 |
| Snell, EE; Suelter, CH; Wang, J | 1 |
| Gilbert, HF; O'Leary, MH | 1 |
| Gibbons, I; Ritchey, JM; Schachman, HK | 1 |
| Jaworski, RJ; O'Leary, MH | 1 |
| Balshin, M; Breuer, W; Cabantchik, IZ; Rothstein, A | 1 |
| Modak, MJ | 1 |
| Roberts, MF; Switzer, RL | 1 |
| Li, TK; Lumeng, L | 2 |
| Giartosio, A; Orlacchio, A; Riva, F; Turano, C; Voltattorni, CB | 1 |
| Davies, RC; Neuberger, A | 1 |
| Nose, Y; Tsuji, T; Yamada, RH | 1 |
| Higgins, W; Miles, EW | 1 |
| Snell, EE; Suelter, CH | 1 |
| Matsch, HH; Smith, IC | 1 |
| Beeler, T; Churchich, JE | 1 |
| Katunuma, N; Sanada, Y; Shiotani, T | 1 |
| Hahn, LH; Hammes, GG | 1 |
| Ingraham, LL; Judd, CT | 1 |
| Calcagnotto, AM; Villela, GG | 1 |
| Coburn, SP; Mahuren, JD | 1 |
| Dalling, DK; Grant, DM; Horton, WJ; Sagers, RD | 1 |
| Matsuda, M; Takahashi, Y | 1 |
| Cory, JG; Mansell, MM | 1 |
| Misono, H; Soda, K; Yonaha, K | 1 |
| Schonbeck, ND; Shafer, JA; Skalski, M | 1 |
| Banno, Y; Katunuma, N; Kobayashi, K; Kominami, E; Suzuki, K | 1 |
| Ishikawa, M; Nakamura, N | 1 |
| Katunuma, N; Kominami, E | 1 |
| Matsuda, M; Murakami, Y | 1 |
| Dakshinamurti, K; Sharma, SK | 1 |
| Cioni, P; Onuffer, JJ; Strambini, GB | 1 |
| Asakura, T; Matsuda, M; Mizuno, A; Sakurai, T | 2 |
| Iriarte, A; Martinez-Carrion, M; Martinez-Liarte, JH | 1 |
| McCormick, DB; Zhang, Z | 1 |
| Bhatia, MB; Futaki, S; Manning, JM; Martinez del Pozo, A; Ringe, D; Soda, K; Yoshimura, T | 1 |
| Kendall, BF; Lau-Cam, CA; Thadikonda, KP | 1 |
| Kirsch, JF; Toney, MD | 1 |
| Chrisley, BM; Driskell, JA | 1 |
| Grimm, B; Kannangara, CG; Smith, MA; von Wettstein, D | 1 |
| Guerranti, R; Leoncini, R; Pagani, R; Tabucchi, A; Terzuoli, L | 1 |
| Iriarte, A; Martinez-Carrion, M; Sanchez-Ruiz, JM | 1 |
| Goldberg, JM; Goodman, HS; Kirsch, JF; Swanson, RV | 1 |
| Hiromi, K; Kagamiyama, H; Kuramitsu, S; Morino, Y; Tanase, S; Yano, T | 1 |
| Eggertsson, G; Ilag, LL; Jahn, D; Söll, D | 1 |
| Chrisley, BM; Driskell, JA; McNair, HM | 1 |
| Furth-Walker, D; Leibman, D; Smolen, A | 2 |
| Borschel, MW; Hamaker, BR; Kirksey, A | 1 |
| Brzović, P; Dunn, MF; Greene, RC; Holbrook, EL | 1 |
| Hsu, LC; Okamoto, M; Snell, EE | 1 |
| Di Ianni, CL; Villafranca, JJ | 1 |
| el-Ezaby, MS; Fareed, S; Marafie, HM | 1 |
| Banchelli, G; Buffoni, F; Dolara, P; Ignesti, G; Pirisino, R; Raimondi, L; Ziche, M | 1 |
| Martin, DL; Porter, TG | 1 |
| Hosoya, N; Ikeda, S; Kanda, A; Shimura, F | 1 |
| Arnone, MI; De Rosa, M; Gambacorta, A; Marino, G; Nitti, G; Sannia, G | 1 |
| Dobryszycki, P; Kochman, M | 1 |
| Chuvykin, MB; Pavlova, MP | 1 |
| Bogaards, JJ; Van den Berg, H | 1 |
| Barnard, HC; Potgieter, GM; van Dalen, EM; Vermaak, WJ | 1 |
| Labadarios, D; Shephard, GS | 1 |
| Kirino, J; Nozaki, M; Yagi, T; Yamamoto, S | 1 |
| Borschel, M; Ekanayake, A; Hamaker, B; Kirksey, A | 1 |
| Aronoff, GR; Li, TK; Lui, A; Lumeng, L | 1 |
| Chang, YC; Graves, DJ; Metzler, DE; Scott, RD | 1 |
| Ernest, MJ; Kim, KH | 1 |
| Bamji, MS; Lakshmi, AV | 1 |
| Chandler, JL; Gholson, RK | 1 |
| Misharin, AY; Polyanovsky, OL; Timofeev, VP | 1 |
| Katunuma, N; Kobayashi, K; Kominami, E; Kominami, S | 1 |
| Gianfreda, L; Marino, G; Palescandolo, R; Scardi, V | 2 |
| Johansson, S; Lindstedt, S; Tiselius, HG | 1 |
| Brent, DA; Bursey, MM; Sammons, MC | 1 |
| Yamashita, J | 1 |
| Colombini, CE; McCoy, EE; Westfall, TC | 1 |
| Khomutov, RM; Metzler, DE; Yang, IY | 1 |
| Christen, P; Schlegel, H | 1 |
| Burr, B; Nelson, OE | 1 |
| Martial, J; Valenzuela, P; Venegas, A | 1 |
| Nikolaeva, ZK; Vasil'ev, VIu | 1 |
| McCormick, DB | 1 |
| Podorozhnyi, PG; Tomashevskii, IaI | 1 |
| Blanck, TJ; Dunathan, HC; Hindenlang, DM; Kallen, RG; Ulevitch, RJ; Voet, JG | 1 |
| Cheng, S; Martinez-Carrion, M; Relimpio, AM | 1 |
| Kazarinoff, MN; McCormick, DB | 1 |
| Moriguchi, M; Soda, K | 1 |
| Harris, CM; Johnson, RJ; Metzler, DE; Saino, DB; Thomson, JA | 1 |
| Nose, Y; Tsuji, T; Yamada, R | 1 |
| Meister, A; Relyea, NM; Tate, SS | 1 |
| Feldmann, K; Gaugler, BJ; Helmreich, EJ; Winkler, H | 1 |
| Florent'ev, VL; Mamaeva, OK; Padyukova, NSh | 1 |
| Fahien, LA; Smith, SE | 1 |
| Snell, EE | 1 |
| Honikel, KO; Madsen, NB | 1 |
| Loo, YH | 1 |
| Benesch, R; Benesch, RE; Maeda, N; Renthal, RD | 1 |
| Tiselius, HG | 1 |
| Avramovic-Zikic, O; Madsen, NB | 1 |
| Peraino, C | 1 |
| Esaki, N; Karai, N; Soda, K; Tanaka, H | 1 |
| Gregory, JF; Kirk, JR | 1 |
| Li, TK; Lui, A; Lumeng, L | 2 |
| Anai, M; Fujiyoshi, T; Nakayama, J | 1 |
| Kishino, Y; Sumi, T | 1 |
| Katunuma, N; Kominami, E; Ohura, T; Tada, K | 1 |
| Basford, JM; Borri Voltattorni, C; Grant, P; John, RA; Minelli, A | 1 |
| Henderson, LM; Ink, SL | 1 |
| Cook, PF; Kiick, DM | 1 |
| Bhagwat, AS; McFadden, BA | 1 |
| Chen, VJ; Wold, F | 1 |
| Bowers-Komro, DM; McCormick, DB | 1 |
| Bowers-Komro, M; Choi, JD; Davis, MD; Edmondson, DE; McCormick, DB | 1 |
| Middleton, HM | 1 |
| Solomon, LR | 1 |
| Bogaards, JJ; Schreurs, WH; Sinkeldam, EJ; van den Berg, H | 1 |
| Shane, B | 1 |
| Beecher, GR; Maire, CE; Vanderslice, JT | 1 |
| Brown, RR; Segalman, TY | 1 |
| Abe, M; Hori, S; Matsuda, M; Sakurai, T | 1 |
| Cidlowski, JA; Thanassi, JW | 1 |
| Maire, CE; Vanderslice, JT | 1 |
| Eggers, DK; Fonda, ML; Mehta, R | 1 |
| Auerbach, S; Eggers, DK; Fonda, ML; Fritsch, L | 1 |
| Chauhan, MS; Dakshinamurti, K | 1 |
| Gloss, LM; Kirsch, JF | 1 |
| Esaki, N; Kishimoto, K; Manning, JM; Soda, K; Sugio, S; Yoshimura, T | 1 |
| Christen, P; Gehring, H; Jäger, J; Jansonius, JN; Malashkevich, VN; Sauder, U; Ziak, M | 1 |
| Hayakawa, T; Maeno, M; Nagae, K; Nohisa, C; Tsuge, H | 1 |
| Kübler, W; Zempleni, J | 1 |
| Bossa, F; Pascarella, S | 1 |
| Leoncini, R; Marinello, E; Pagani, R; Pizzichini, M; Terzuoli, L | 1 |
| Ferramola de Sancovich, AM; Sancovich, HA; Sopena de Kracoff, YE | 1 |
| Bukrina, IM; Dixon, HB; Grishakov, AN; Khristoforov, RR; Krasnov, VP; Sparkes, MJ; Sukhareva, BS | 1 |
| Hayashi, H; Hirotsu, K; Kagamiyama, H; Kintanar, A; Metzler, DE; Miyahara, I; Mollova, ET | 1 |
| Brooks, HB; Osterman, AL; Phillips, MA; Rizo, J | 1 |
| Esaki, N; Kurokawa, Y; Lim, YH; Soda, K; Yoshimura, T | 1 |
| Bledsoe, RK; Davoodi, J; Drown, PM; Hutson, SM; Reinhart, GD; Wallin, R | 1 |
| Chait, BT; Erickson, SD; Haller, I; Manning, JM; Martinez del Pozo, A; Petsko, G; Ringe, D; Soda, K; van Ophem, PW; Yoshimura, T | 1 |
| Floss, HG; Fryhle, CB; Handa, S; Kim, CG; Yu, TW | 1 |
| Bagdassarian, CK; Sun, S; Toney, MD | 1 |
| Chipman, DM; Manning, JM; Peisach, D; Ringe, D; Van Ophem, PW | 1 |
| Kawaguchi, Si; Kuramitsu, S | 1 |
| Di Pietro, MC; Guerranti, R; Leoncini, R; Marinello, E; Pagani, R; Rosi, F; Vannoni, D | 1 |
| Bai, SC; Morris, JG; Rogers, QR; Sampson, DA; Wong, DL | 1 |
| Toney, MD; Zhou, X | 1 |
| Bilski, P; Chignell, CF; Daub, ME; Ehrenshaft, M; Li, MY | 1 |
| Esaki, N; Hirotsu, K; Jhee, KH; Kawata, Y; Miles, EW; Miyahara, I; Soda, K; Takeda, S; Yoshimura, T | 1 |
| Driskell, JA; Giraud, DW; Mitmesser, SH | 1 |
| Checa, MA; Fernández-Muiño, MA; Sancho, MT; Valls, F | 1 |
| Kosaka, H; Maeda, T; Minami, H; Sato, K; Shiga, T; Taguchi, H; Yoshikawa, K | 1 |
| Hansen, CM; Kwak, HK; Leklem, JE; Memon, HS; Shultz, TD | 1 |
| Hayakawa, T; Nguyen, TT; Tsuge, H | 1 |
| Kato, N; Matsubara, K; Matsuura, Y; Mori, M | 1 |
| di Salvo, ML; Ko, TP; Musayev, FN; Raboni, S; Safo, MK; Schirch, V | 1 |
| Stolz, J; Vielreicher, M | 1 |
| Chang, Q; Hu, Z; Keller, WA; McGregor, DI; Tsang, EW | 1 |
| LIS, H; SILIPRANDI, D; SILIPRANDI, N | 1 |
| POGELL, BM | 1 |
| BEAUMONT, P; CATTANEO, J; SENEZ, JC | 1 |
| FASELLA, P; GIARTOSIO, A; HAMMADI, I; TURANO, C | 1 |
| HAPPOLD, FC; TURNER, JM | 1 |
| FASELLA, P; GIARTOSIO, A; TURANO, C | 1 |
| LUNAN, KD; WEST, CA | 1 |
| MASON, M; WU, HL | 1 |
| ECKSTEIN, M; HOLZER, H; OESER, A; SCHREIBER, G | 1 |
| HENDERSON, HM | 1 |
| Jain, SK; Kannan, K | 1 |
| Morita, T; Takegawa, K; Yagi, T | 1 |
| Akagi, R; Kato, N; Matsubara, K; Mori, M | 1 |
| Asel, ED; Bone, R; Bordeau, B; Bryson, JW; Carver, TE; Cummings, MD; DesJarlais, RL; Devine, H; Dougherty, BA; Doyle, ML; Jaeger, EP; Nelen, MI; Petrella, EC; Pucci, MJ; Salemme, FR; Springer, BA; Todd, MJ; Tredup, JA; Witmer, MR; Yanchunas, J; Zawadzke, LE | 1 |
| Agnihotri, G; Liu, HW | 1 |
| Hoshino, T; Ichikawa, K; Tazoe, M | 1 |
| Bhor, VM; Dev, S; Surolia, A; Vasanthakumar, GR | 1 |
| Blundell, TL; Chirgadze, DY; Huang, F; Popovic, B; Spencer, JB; Tang, X | 1 |
| Davy, SR; Driskell, JA; Giraud, DW; Lora, KR | 1 |
| Deu, E; Kirsch, JF | 1 |
| Adijiang, A; Li, H; Nakamura, S; Niwa, T; Pischetsrieder, M | 1 |
| Bitsch, R; Busch, M; Franke, S; Gerth, J; Göbert, A; Müller, A; Ott, U; Stein, G; Wolf, G | 1 |
| Breslow, R; Cheng, ZL; Levine, M | 1 |
| Adrover, M; Donoso, J; Frau, J; Muñoz, F; Ortega-Castro, J; Salvà, A | 1 |
| Imperiali, B; Larkin, A; Olivier, NB | 1 |
| Joo, K; Kim, BG; Kyung, D; Lee, J; Seo, JH | 1 |
| Götker, S; Jochmann, N; Tauch, A | 1 |
| Huang, L; Huang, S; Wei, S; Zeng, H; Zhang, J | 1 |
| Atkins, RC; Berl, T; Blumenthal, S; Greene, T; Herskovits, T; Hunsicker, LG; Lewis, EJ; Lewis, JB; Packham, DK; Pohl, MA; Raz, I; Reutens, AT; Rohde, RD; Spitalewiz, S; Yagil, Y; Yerushalmy, Y | 1 |
| Christen, P; Coll, M; de Vries, D; Fernandez, FJ; Gehring, H; Peña-Soler, E; Vega, MC | 1 |
| Rosenberg, IH | 1 |
| Casasnovas, R; Donoso, J; Frau, J; Muñoz, F; Ortega-Castro, J | 1 |
| Kato, N; Masisi, K; Okazaki, Y; Suidasari, S; Yanaka, N; Zhang, P | 1 |
| Huang, L; Huang, S; Wang, L; Zhang, J | 1 |
| Brunzelle, JS; Bulfer, SL; Trievel, RC | 1 |
| Bettati, S; Campanini, B; Contestabile, R; di Salvo, ML; Mozzarelli, A | 1 |
| Anjum, S; Jagdhane, R; Ko, JB; Palmer, DRJ; Sanders, DAR; van Straaten, KE | 1 |
| Earl, J; Freeman, JL; Howell, KB; Peters, HL; Pitt, JJ; Salomons, GS; Struys, EA; Ware, TL | 1 |
| Albersen, M; Bakker, SC; Borgdorff, PJ; Bosma, M; Bruins, P; de Sain-van der Velden, MG; Jans, JJ; Keijzers, PJ; Knoers, NV; Luykx, JJ; Ophoff, RA; Strengman, E; van Dongen, EP; Verhoeven-Duif, NM; Visser, G | 1 |
| Hatakeyama, M; Ishida, T; Kitamura, K; Nakamura, S; Ogata, K | 1 |
| Albersen, M; Bosma, M; de Sain-van der Velden, MG; Hofstede, FC; Jans, JJ; van Hasselt, PM; Verhoeven-Duif, NM; Visser, G | 1 |
| Gökcan, H; Monard, G; Sungur Konuklar, FA | 1 |
| Ankisettypalli, K; Baker, EN; Bashiri, G; Cheng, JJ | 1 |
| Colinas, M; Eisenhut, M; Fernie, AR; Fitzpatrick, TB; Pesquera, M; Tohge, T; Weber, AP | 1 |
| Adlercreutz, P; Börner, T; Grey, C | 1 |
| Abela, L; Albersen, M; Beese, K; Bok, LA; Bürer, C; Crowther, L; Hartmann, H; Hersberger, M; Mathis, D; Papuc, SM; Plecko, B; Rauch, A; Struys, E; Verhoeven-Duif, NM | 1 |
| Mayer, HK; Schmidt, A; Schreiner, MG | 1 |
| Adlercreutz, P; Bartsch, S; Börner, T; Grey, C; Rämisch, S; Vogel, A | 1 |
| Baggot, M; Burke, D; Clayton, PT; Footitt, EJ; Gabriel, C; Gissen, P; Heales, SJR; McSweeney, M; Mills, KA; Mills, PB; Papandreou, A; Pressler, R; Riney, K; Schiff, M; Stevenson, DC; Stödberg, T; Uudelepp, ML; Wilson, MP | 1 |
| Clevenger, KD; Kelleher, NL; Le, HV; Lehrer, HJ; Liu, D; Mascarenhas, R; Ringe, D; Silverman, RB | 1 |
| Yamamura, ET | 1 |
| de Crécy-Lagard, V; Gao, S; Liu, H; Naismith, JH; Richards, NGJ; Zhu, W | 1 |
| Are, S; Gatreddi, S; Jakkula, P; Qureshi, IA | 1 |
| Ali, MF; Devi, S; Gourinath, S; Rehman, SAA; Tarique, KF; Tomar, P | 1 |
| Ferek, JD; Holden, HM; Seltzner, CA; Thoden, JB | 1 |
| Miyata, T; Schalkwijk, CG; Scheijen, JLJM; Stehouwer, CDA; Van den Eynde, MDG | 1 |
| Chen, J; Chen, JX; Han, YS; Jiang, TT; Li, JC; Li, ZB; Liu, J; Lu, QQ; Shi, LY; Tu, HH; Yu, Y; Zhang, SQ | 1 |
| Fujishiro, T; Nakamura, R; Ogawa, S; Takahashi, Y | 1 |
| Bakunova, AK; Bezsudnova, EY; Boyko, KM; Matyuta, IO; Nikolaeva, AY; Popov, VO | 1 |
6 review(s) available for pyridoxamine and pyridoxal phosphate
| Article | Year |
|---|---|
Regulation of liver metabolism of pyridoxal phosphate.
Topics: Animals; Apoenzymes; Brain; Liver; Male; Organophosphorus Compounds; Phosphoric Monoester Hydrolases; Phosphorylases; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxine; Rats | 1975 |
Fate of vitamin B 6 in the I-strain mouse.
Topics: Alcohol Oxidoreductases; Animals; Carboxylic Acids; Intestinal Absorption; Metabolism, Inborn Errors; Mice; Mice, Inbred Strains; Nutritional Requirements; Oxidation-Reduction; Picolines; Proteins; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Species Specificity; Vitamin B 6 Deficiency | 1972 |
Analogs of pyridoxal or pyridoxal phosphate: relation of structure to binding with apoenzymes and to catalytic activity.
Topics: Apoproteins; Arginine; Aspartic Acid; Carboxy-Lyases; Catalysis; Chemical Phenomena; Chemistry; Coenzymes; Hydrolases; L-Serine Dehydratase; Models, Biological; Organophosphorus Compounds; Phosphorylases; Picolines; Protein Binding; Protein Conformation; Pyridines; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Pyruvates; Structure-Activity Relationship; Transaminases; Tryptophan | 1970 |
The bioavailability of vitamin B6 in foods.
Topics: Animals; Biological Assay; Biological Availability; Dietary Fiber; Drug Stability; Food; Food Analysis; Food Handling; Humans; Intestinal Absorption; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1981 |
Vitamin B6 metabolism.
Topics: Animals; Biological Transport; Diffusion; Digestion; Erythrocytes; Humans; Intestinal Absorption; Intestinal Mucosa; Kidney; Liver; Muscles; Nutritional Requirements; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1984 |
A history of the isolation and identification of vitamin B(6).
Topics: Animals; Dogs; History, 20th Century; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Swine; Vitamin B 6; Vitamin B 6 Deficiency; Vitamins | 2012 |
3 trial(s) available for pyridoxamine and pyridoxal phosphate
| Article | Year |
|---|---|
Assessment of vitamin B-6 status in young women consuming a controlled diet containing four levels of vitamin B-6 provides an estimated average requirement and recommended dietary allowance.
Topics: Administration, Oral; Adult; Alanine Transaminase; Aspartate Aminotransferases; Body Mass Index; Diet; Erythrocytes; Ethnicity; Female; Humans; Nutrition Policy; Nutritional Status; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine | 2001 |
Pyridorin in type 2 diabetic nephropathy.
Topics: Aged; Creatinine; Cystatin C; Diabetes Mellitus, Type 2; Diabetic Nephropathies; Double-Blind Method; Female; Glomerular Filtration Rate; Humans; Male; Middle Aged; Proteinuria; Pyridoxal Phosphate; Pyridoxamine | 2012 |
Quantification of the B6 vitamers in human plasma and urine in a study with pyridoxamine as an oral supplement; pyridoxamine as an alternative for pyridoxine.
Topics: Adult; Chromatography, High Pressure Liquid; Dietary Supplements; Female; Healthy Volunteers; Humans; Male; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Tandem Mass Spectrometry; Vitamin B 6; Vitamin B 6 Deficiency | 2021 |
216 other study(ies) available for pyridoxamine and pyridoxal phosphate
| Article | Year |
|---|---|
Vitamin B6s inhibit oxidative stress caused by Alzheimer's disease-related Cu(II)-β-amyloid complexes-cooperative action of phospho-moiety.
Topics: Alzheimer Disease; Amyloid beta-Peptides; Copper; Humans; Oxidative Stress; Reactive Oxygen Species; Vitamin B 6 | 2011 |
Mechanism of the irreversible inhibition of aspartate aminotransferase by the bacterial toxin L-2-amino-4-methoxy-trans-3-butenoic acid.
Topics: Aminobutyrates; Animals; Aspartate Aminotransferases; Binding Sites; Borohydrides; Butyrates; Cytoplasm; Hydrogen-Ion Concentration; Kinetics; Myocardium; Oxidation-Reduction; Protein Binding; Protein Conformation; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry, Ultraviolet; Swine; Toxins, Biological; Vinyl Compounds | 1976 |
Application of a direct spectrophotometric assay employing a chromogenic substrate for tryptophanase to the determination of pyridoxal and pyridoxamine 5'-phosphates.
Topics: Apoenzymes; Escherichia coli; Hydrogen-Ion Concentration; Kinetics; Lyases; Organophosphorus Compounds; Phosphotransferases; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Salmonella typhimurium; Spectrophotometry; Temperature; Thermodynamics; Tryptophanase | 1976 |
Reversible modification of amino groups in aspartate aminotransferase.
Topics: Amines; Animals; Apoenzymes; Aspartate Aminotransferases; Cytoplasm; Glutarates; Hydrogen-Ion Concentration; Ketones; Kinetics; Lysine; Myocardium; Pentanones; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Swine | 1977 |
Reactivation of enzymes by light-stimulated cleavage of reduced pyridoxal 5'-phosphate-enzyme complexes.
Topics: Aspartate Carbamoyltransferase; Enzyme Activation; Histidine; Hydrogen-Ion Concentration; Kinetics; L-Serine Dehydratase; Lyases; Lysine; Magnetic Resonance Spectroscopy; Molecular Weight; Photolysis; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Tryptophanase; Tyrosine; Ultraviolet Rays | 1977 |
13C NMR spectroscopy of the vitamin B6 group.
Topics: Carbon Isotopes; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Molecular Conformation; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1979 |
Pyridoxal phosphate. An anionic probe for protein amino groups exposed on the outer and inner surfaces of intact human red blood cells.
Topics: Amino Acids; Borates; Carrier Proteins; Cell Membrane; Cell Membrane Permeability; Erythrocytes; Glycoproteins; Hemoglobins; Humans; Periodic Acid; Phosphorus Radioisotopes; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases; Stilbenes; Sulfates; Sulfur Radioisotopes; Tritium | 1975 |
Pyridoxal 5' phosphate: a selective inhibitor of oncornaviral DNA polymerases.
Topics: Avian Leukosis Virus; Avian Myeloblastosis Virus; DNA Nucleotidyltransferases; Kinetics; Leukemia Virus, Feline; Oncogenic Viruses; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rauscher Virus; Ribonucleases; Species Specificity; Templates, Genetic | 1976 |
Inactivation of Salmonella phosphoribosylpyrophosphate synthetase by specific chemical modification of a lysine residue.
Topics: Adenosine Triphosphate; Kinetics; Lysine; Magnesium; Phosphates; Phosphotransferases; Pyridoxal Phosphate; Pyridoxamine; Ribose-Phosphate Pyrophosphokinase; Ribosemonophosphates; Salmonella typhimurium; Trinitrobenzenesulfonic Acid | 1978 |
Characterization of the pyridoxal 5'-phosphate and pyridoxamine 5'-phosphate hydrolase activity in rat liver. Identity with alkaline phosphatase.
Topics: Alkaline Phosphatase; Animals; Chelating Agents; Enzyme Activation; Hydrogen-Ion Concentration; Kinetics; Liver; Magnesium; Male; Nitrophenols; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Rats; Subcellular Fractions; Zinc | 1975 |
An affinity labeling reagent for pyridoxal phosphate dependent enzymes.
Topics: Apoenzymes; Aspartate Aminotransferases; Cystathionine gamma-Lyase; Kinetics; Pyridoxal Phosphate; Pyridoxamine; Tryptophanase; Tyrosine Decarboxylase; Tyrosine Transaminase | 1975 |
Control of 5-aminolaevulinate synthetase activity in Rhodopseudomonas spheroides. Binding of pyridoxal phosphate to 5-aminolaevulinate synthetase.
Topics: 5-Aminolevulinate Synthetase; Borohydrides; Chemical Phenomena; Chemistry; Cyanides; Enzyme Activation; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Rhodobacter sphaeroides; Spectrometry, Fluorescence; Spectrophotometry | 1979 |
Uptake and utilization of vitamin B6 and its phosphate esters by Escherichia coli.
Topics: Escherichia coli; Genetics, Microbial; Kinetics; Mutation; Organophosphates; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Species Specificity; Structure-Activity Relationship | 1977 |
Affinity labeling of the pyridoxal phosphate binding site of the beta2 subunit of Escherichia coli tryptophan synthase.
Topics: Affinity Labels; Apoenzymes; Binding Sites; Escherichia coli; Peptide Fragments; Pyridoxal Phosphate; Pyridoxamine; Tryptophan Synthase | 1978 |
Assay of pyridoxal phosphate and pyridoxamine phosphate, employing S-o-nitrophenyl-L-cysteine, a chromogenic substrate of tryptophanase.
Topics: Cysteine; Escherichia coli; Lyases; Nitrobenzenes; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Tryptophanase | 1979 |
Carbon-13 nuclear magnetic resonance spectroscopy of the vitamin B6 group.
Topics: Carbon Isotopes; Hydrogen; Magnetic Resonance Spectroscopy; Molecular Weight; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1979 |
Pyridox(al, amine) 5'-phosphate hydrolase from rat liver.
Topics: Alkaline Phosphatase; Animals; Cell Membrane; Kinetics; Liver; Methods; Pyridoxal Phosphate; Pyridoxamine; Rats | 1979 |
4-Aminobutyrate aminotransferase fluorescence studies.
Topics: 4-Aminobutyrate Transaminase; Animals; Brain; Kinetics; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence; Swine; Transaminases | 1978 |
Mode of binding of pyridoxal 5'-phosphate in rat liver ornithine aminotransferase.
Topics: Animals; Liver; Macromolecular Substances; Organophosphorus Compounds; Ornithine-Oxo-Acid Transaminase; Protein Binding; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Transaminases | 1978 |
Structural mapping of aspartate transcarbamoylase by fluorescence energy-transfer measurements: determination of the distance between catalytic sites of different subunits.
Topics: Aspartate Carbamoyltransferase; Binding Sites; Chemical Phenomena; Chemistry; Energy Transfer; Organophosphorus Compounds; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence; Sulfhydryl Compounds | 1978 |
Molecular orbital study of optical rotation in a vitamin B6 enzyme.
Topics: Binding Sites; Circular Dichroism; Models, Chemical; Optical Rotation; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Quantum Theory | 1978 |
Effect of vitamin B6 on L-glutamate dehydrogenase activity in mice brain.
Topics: Animals; Brain; Glutamate Dehydrogenase; Glutamates; Injections; Injections, Subcutaneous; Mice; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Structure-Activity Relationship | 1977 |
Separation of seven B6 vitamers by two-dimensional thin-layer chromatography.
Topics: Chromatography, Thin Layer; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine | 1977 |
Carbon 13 NMR study of nonenzymatic reactions of pyridoxal 5'-phosphate with selected amino acids and of related reactions.
Topics: Alanine; Amino Acids; Ammonia; Binding Sites; Carbon Isotopes; Chemical Phenomena; Chemistry; Formaldehyde; Glycine; Magnetic Resonance Spectroscopy; Molecular Conformation; Pyridoxal Phosphate; Pyridoxamine; Sarcosine; Structure-Activity Relationship | 1976 |
Effects of penicillamine on the contents of B6 vitamers of the mouse brain.
Topics: Animals; Brain; Mice; Penicillamine; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Thiazines; Thiazoles | 1976 |
Studies on mammalian ribonucleotide reductase inhibition by pyridoxal phosphate and the dialdehyde derivatives of adenosine, adenosine 5'-monophosphate, and adenosine 5'-triphosphate.
Topics: Adenosine; Adenosine Diphosphate; Adenosine Monophosphate; Adenosine Triphosphate; Aldehydes; Animals; Borohydrides; Carcinoma, Ehrlich Tumor; Cytosine Nucleotides; Hot Temperature; In Vitro Techniques; Mice; Mice, Inbred ICR; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Ribonucleotide Reductases | 1975 |
Reconstitution of D-amino acid aminotransferase.
Topics: Amino Acids; Bacillus; Binding Sites; Chloromercuribenzoates; Dithionitrobenzoic Acid; Ethylmaleimide; Kinetics; Mercury; Organophosphorus Compounds; Protein Binding; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Spectrophotometry, Ultraviolet; Stereoisomerism; Time Factors; Transaminases | 1975 |
Separation and evaluation of the covalent and noncovalent interactions which contribute to the binding of pyridoxal 5'-phosphate to D-serine apodehydratase.
Topics: Chromatography, Gel; Kinetics; L-Serine Dehydratase; Organophosphorus Compounds; Osmolar Concentration; Potassium Chloride; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases; Spectrophotometry, Ultraviolet | 1975 |
Studies on new intracellular proteases in various organs of rat. 1. Purification and comparison of their properties.
Topics: Amino Acids; Animals; Cations, Divalent; Cations, Monovalent; Chromatography, Ion Exchange; Intestinal Mucosa; Intestine, Small; Liver; Molecular Weight; Muscles; Organ Specificity; Peptide Hydrolases; Pyridoxal Phosphate; Pyridoxamine; Rats; Subcellular Fractions | 1975 |
[Effect of vitamin B6 group on cholesterol and fatty acid biosynthesis (author's transl)].
Topics: Animals; Cholesterol; Cholesterol, Dietary; Fatty Acids; Intestinal Mucosa; Kidney; Liver; Male; Mice; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1975 |
Studies of new intracellular proteases in various organs of rats. Participation of proteases in degradation of ornithine aminotransferase in vitro and in vivo.
Topics: Animals; Electrophoresis, Polyacrylamide Gel; Intestine, Small; Keto Acids; Kinetics; Male; Organophosphorus Compounds; Ornithine-Oxo-Acid Transaminase; Peptide Hydrolases; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Radioimmunoassay; Rats; Transaminases | 1976 |
The effect of castrix (2-chloro-4- dimethylamino-6-methylpyrimidine) on the distribution of B6 vitamers in mouse brain.
Topics: Aminooxyacetic Acid; Animals; Anticonvulsants; Brain; Isoniazid; Male; Mice; Penicillamine; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Pyrimidines; Seizures; Semicarbazides | 1976 |
Determination of vitamin B6 vitamers and pyridoxic acid in biological samples.
Topics: Animals; Cells, Cultured; Cerebral Cortex; Chromatography, High Pressure Liquid; Humans; Kidney; Liver; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats | 1992 |
Characterization of tryptophan phosphorescence of aspartate aminotransferase from Escherichia coli.
Topics: Apoenzymes; Aspartate Aminotransferases; Escherichia coli; Kinetics; Luminescent Measurements; Pyridoxal Phosphate; Pyridoxamine; Thermodynamics; Tryptophan | 1992 |
Absorption and metabolism of pyridoxamine in mice. II. Transformation of pyridoxamine to pyridoxal in intestinal tissues.
Topics: Administration, Oral; Animals; Dose-Response Relationship, Drug; Hydrogen-Ion Concentration; Intestinal Absorption; Intestinal Mucosa; Male; Mice; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Tritium | 1992 |
Inorganic phosphate binding and electrostatic effects in the active center of aspartate aminotransferase apoenzyme.
Topics: Animals; Anions; Apoenzymes; Aspartate Aminotransferases; Binding Sites; Electricity; Enzyme Stability; Fourier Analysis; Hot Temperature; Hydrogen-Ion Concentration; Myocardium; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry, Infrared; Swine | 1992 |
Uptake and metabolism of N-(4'-pyridoxyl)amines by isolated rat liver cells.
Topics: Animals; Biological Transport; Biotransformation; Cells, Cultured; Kinetics; Liver; Male; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Rats, Inbred Strains; Structure-Activity Relationship; Tritium | 1992 |
Inactivation of dimeric D-amino acid transaminase by a normal substrate through formation of an unproductive coenzyme adduct in one subunit.
Topics: Alanine; D-Alanine Transaminase; Endopeptidases; Enzyme Activation; Enzyme Reactivators; Hydrogen-Ion Concentration; Kinetics; Pyridoxal Phosphate; Pyridoxamine; Pyruvates; Pyruvic Acid; Spectrometry, Fluorescence; Transaminases | 1992 |
Stimulation of rat liver glycogenolysis by vitamin B6: a role for adrenal catecholamines.
Topics: Adrenal Medulla; Adrenalectomy; Animals; Blood Glucose; Catecholamines; Cyclic AMP; Liver; Liver Glycogen; Male; Phentolamine; Propranolol; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Rats, Inbred Strains; Verapamil | 1991 |
Kinetics and equilibria for the reactions of coenzymes with wild type and the Y70F mutant of Escherichia coli aspartate aminotransferase.
Topics: Apoenzymes; Aspartate Aminotransferases; Coenzymes; Escherichia coli; Glutamates; Glutamic Acid; Hydrogen Bonding; Ketoglutaric Acids; Kinetics; Mutation; Pyridoxal Phosphate; Pyridoxamine | 1991 |
Plasma B-6 vitamer and plasma and urinary 4-pyridoxic acid concentrations in young women as determined using high performance liquid chromatography.
Topics: Adult; Alanine Transaminase; Chromatography, High Pressure Liquid; Erythrocytes; Female; Fluorometry; Humans; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Radioimmunoassay; Ultraviolet Rays | 1991 |
Characterization of glutamate-1-semialdehyde aminotransferase of Synechococcus. Steady-state kinetic analysis.
Topics: Chromatography, Ion Exchange; Cyanobacteria; Intramolecular Transferases; Isoenzymes; Isomerases; Kinetics; Mathematics; Models, Theoretical; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Recombinant Proteins; Spectrophotometry | 1991 |
Absorption and metabolism of pyridoxamine in mice. I. Pyridoxal as the only form of transport in blood.
Topics: Absorption; Animals; Biological Transport; Brain; Intestinal Mucosa; Liver; Male; Mice; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Tissue Distribution | 1991 |
The determination and biological role of 4'carbamoyl pyridoxal 5'-phosphate.
Topics: Animals; Cytosol; Liver; Pyridoxal Phosphate; Pyridoxamine; Rats | 1991 |
The ionization states of the 5'-phosphate group in the various coenzyme forms bound to mitochondrial aspartate aminotransferase.
Topics: Animals; Aspartate Aminotransferases; Fourier Analysis; Kinetics; Mitochondria, Heart; Oxidation-Reduction; Pyridoxal Phosphate; Pyridoxamine; Solutions; Spectrophotometry, Infrared; Swine | 1991 |
The tyrosine-225 to phenylalanine mutation of Escherichia coli aspartate aminotransferase results in an alkaline transition in the spectrophotometric and kinetic pKa values and reduced values of both kcat and Km.
Topics: Aspartate Aminotransferases; Base Sequence; Circular Dichroism; Cloning, Molecular; Escherichia coli; Hydrogen Bonding; Kinetics; Mathematics; Molecular Sequence Data; Mutagenesis, Site-Directed; Oligonucleotide Probes; Phenylalanine; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Tyrosine | 1991 |
The role of His143 in the catalytic mechanism of Escherichia coli aspartate aminotransferase.
Topics: Aspartate Aminotransferases; Base Sequence; Binding Sites; Catalysis; Circular Dichroism; Escherichia coli; Histidine; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Mutagenesis, Site-Directed; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry, Ultraviolet | 1991 |
The Escherichia coli hemL gene encodes glutamate 1-semialdehyde aminotransferase.
Topics: Aminolevulinic Acid; Centrifugation, Density Gradient; Chromatography, High Pressure Liquid; Cloning, Molecular; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Intramolecular Transferases; Isomerases; Molecular Weight; Pyridoxal Phosphate; Pyridoxamine; Transformation, Genetic | 1991 |
Separation and quantification of the B6 vitamers in plasma and 4-pyridoxic acid in urine of adolescent girls by reversed-phase high-performance liquid chromatography.
Topics: Adolescent; Body Height; Body Weight; Child; Chromatography, High Pressure Liquid; Dietary Proteins; Female; Hematocrit; Hemoglobins; Humans; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine | 1991 |
Relationship between blood, liver and brain pyridoxal phosphate and pyridoxamine phosphate concentrations in mice.
Topics: Administration, Oral; Animals; Brain; Brain Chemistry; Diet; Female; Liver; Mice; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1990 |
Distribution of B-6 vitamers in human milk during a 24-h period after oral supplementation with different amounts of pyridoxine.
Topics: Administration, Oral; Adult; Female; Humans; Lactation; Milk, Human; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Time Factors | 1990 |
Reaction mechanism of Escherichia coli cystathionine gamma-synthase: direct evidence for a pyridoxamine derivative of vinylglyoxylate as a key intermediate in pyridoxal phosphate dependent gamma-elimination and gamma-replacement reactions.
Topics: Alanine; Allylglycine; Carbon-Oxygen Lyases; Cysteine; Escherichia coli; Fatty Acids, Monounsaturated; Homoserine; Kinetics; Lyases; Molecular Structure; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Spectrophotometry, Ultraviolet | 1990 |
L-Histidinol phosphate aminotransferase from Salmonella typhimurium. Kinetic behavior and sequence at the pyridoxal-P binding site.
Topics: beta-Alanine; Binding Sites; Binding, Competitive; Borohydrides; Kinetics; Models, Chemical; Oxidation-Reduction; Peptide Fragments; Pyridoxal Phosphate; Pyridoxamine; Salmonella typhimurium; Substrate Specificity; Transaminases | 1989 |
Identification of amino acid residues modified by pyridoxal 5'-phosphate in Escherichia coli glutamine synthetase.
Topics: Amino Acid Sequence; Cyanogen Bromide; Escherichia coli; Glutamate-Ammonia Ligase; Molecular Sequence Data; Peptide Fragments; Protein Binding; Pyridoxal Phosphate; Pyridoxamine | 1989 |
Changes in pyridoxal phosphate and pyridoxamine phosphate in blood, liver and brain in the pregnant mouse.
Topics: Animals; Brain; Erythrocytes; Female; Liver; Methods; Mice; Osmolar Concentration; Pregnancy; Pregnancy, Animal; Pyridoxal Phosphate; Pyridoxamine | 1989 |
Complexes of vitamin B6XX: equilibrium and mechanistic studies of the reaction of pyridoxal-5'-phosphate with pyridoxamine-5'-phosphate in the presence of copper(II).
Topics: Chemical Phenomena; Chemistry; Copper; Hydrogen-Ion Concentration; Kinetics; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Spectrophotometry, Ultraviolet | 1989 |
Pyridoxamine as inhibitor of the blood plasma benzylamine oxidase and other copper-containing amine oxidases.
Topics: Animals; Benzylamine Oxidase; Biotransformation; Copper; Half-Life; In Vitro Techniques; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Oxidoreductases Acting on CH-NH Group Donors; Pyridoxal Phosphate; Pyridoxamine; Rabbits; Semicarbazides; Swine; Time Factors | 1985 |
Rapid inactivation of brain glutamate decarboxylase by aspartate.
Topics: Animals; Apoenzymes; Aspartic Acid; Brain; Enzyme Reactivators; gamma-Aminobutyric Acid; Glutamate Decarboxylase; Glutamates; Glutamic Acid; Kinetics; Pyridoxal Phosphate; Pyridoxamine; Swine | 1987 |
Solubilization of 1,25-dihydroxyvitamin D3 receptor with pyridoxal 5'-phosphate from hen intestinal mucosa.
Topics: Animals; Cellulose; Chickens; Chromatin; DNA; Female; Intestinal Mucosa; Kinetics; Osmolar Concentration; Polyethylene Glycols; Potassium Chloride; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Receptors, Calcitriol; Receptors, Steroid; Solubility | 1986 |
Purification and characterization of aspartate aminotransferase from the thermoacidophilic archaebacterium Sulfolobus solfataricus.
Topics: Amino Acid Sequence; Archaea; Aspartate Aminotransferases; Bacteria; Chromatography; Hot Temperature; Hydrogen-Ion Concentration; Isoelectric Point; Macromolecular Substances; Molecular Sequence Data; Molecular Weight; Pyridoxal Phosphate; Pyridoxamine; Sequence Homology, Nucleic Acid; Spectrophotometry | 1988 |
Fluorescence resonance energy transfer studies on the proximity between lysine-107 and cysteine-239 in rabbit muscle aldolase.
Topics: 4-Chloro-7-nitrobenzofurazan; Animals; Cysteine; Energy Transfer; Fructose-Bisphosphate Aldolase; Lysine; Muscles; Protein Binding; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Rabbits; Spectrometry, Fluorescence | 1988 |
[Pyridoxal and pyridoxamine phosphate levels in the plasma and bone marrow of children with acute leukemia].
Topics: Acute Disease; Adolescent; Bone Marrow; Child; Child, Preschool; Humans; Infant; Leukemia; Pyridoxal Phosphate; Pyridoxamine | 1987 |
Vitamin B-6 metabolism in the pregnant rat: effect of progesterone on the (re)distribution in maternal vitamin B-6 stores.
Topics: Animals; Female; Kidney; Liver; Muscles; Organ Size; Ovariectomy; Pregnancy; Pregnancy, Animal; Progesterone; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine; Rats | 1987 |
Correlation between pyridoxal-5'-phosphate levels and the percentage activation of aspartate aminotransferase enzyme in haemolysate and plasma during in vitro incubation studies with different B6 vitamers.
Topics: Aspartate Aminotransferases; Chromatography, High Pressure Liquid; Erythrocytes; Hemolysis; Humans; In Vitro Techniques; Plasma; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1986 |
Degradation of vitamin B6 standard solutions.
Topics: Chromatography, High Pressure Liquid; Drug Stability; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Reference Standards; Solutions | 1986 |
A simple preparation method for apoaspartate aminotransferase from Escherichia coli B, and its application for the assay of pyridoxal and pyridoxamine 5'-phosphate.
Topics: Apoenzymes; Apoproteins; Aspartate Aminotransferases; Chromatography, Affinity; Escherichia coli; Pyridoxal Phosphate; Pyridoxamine | 1985 |
Analysis of B-6 vitamers in human milk by reverse-phase liquid chromatography.
Topics: Biological Assay; Chromatography, High Pressure Liquid; Female; Humans; Milk, Human; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Saccharomyces | 1985 |
Relationship between body store of vitamin B6 and plasma pyridoxal-P clearance: metabolic balance studies in humans.
Topics: Adult; Diet; Half-Life; Humans; Isonicotinic Acids; Kinetics; Male; Metabolic Clearance Rate; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine | 1985 |
Studies of 6-fluoropyridoxal and 6-fluoropyridoxamine 5'-phosphates in cytosolic aspartate aminotransferase.
Topics: Animals; Aspartate Aminotransferases; Binding Sites; Cytosol; Hydrogen-Ion Concentration; In Vitro Techniques; Magnetic Resonance Spectroscopy; Myocardium; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases; Swine | 1985 |
Regulation of rat liver glycogen synthetase. Evidence for a lysyl residue essential for glucose 6-phosphate activation.
Topics: Animals; Benzenesulfonates; Binding Sites; Borohydrides; Carbon Radioisotopes; Enzyme Activation; Glucosephosphates; Glycogen Synthase; Kinetics; Liver; Lysine; Molecular Weight; Nitrophenols; Organophosphorus Compounds; Oxidation-Reduction; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Rats; Schiff Bases; Spectrophotometry, Ultraviolet | 1974 |
Tissue pyridoxal phosphate concentration and pyridoxaminephosphate oxidase activity in riboflavin deficiency in rats and man.
Topics: Adult; Animals; Body Weight; Brain Chemistry; Erythrocytes; Female; Glutathione Reductase; Humans; Liver; Male; Organ Size; Oxidoreductases; Parenteral Nutrition; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Riboflavin; Riboflavin Deficiency | 1974 |
Metabolic regulation in plants.
Topics: Amino Acids; Cells, Cultured; Chloroplasts; England; Enzyme Repression; Genes, Regulator; Gibberellins; Hydrogen-Ion Concentration; Isomerases; Lyases; NAD; Nucleic Acid Hybridization; Phosphoric Acids; Plants; Pyridoxal Phosphate; Pyridoxamine; RNA, Ribosomal | 1972 |
Studies on the biosynthesis of NAD in Escherichia coli. 3. Precursors of quinolinic acid in vitro.
Topics: Acetates; Aspartic Acid; Carbon Isotopes; Drug Stability; Escherichia coli; Formates; Fructosephosphates; Genetics, Microbial; Glyceric Acids; Glycerol; Glycerophosphates; Hot Temperature; Hydrogen-Ion Concentration; Ligases; Mutation; NAD; Organophosphorus Compounds; Pyridines; Pyridoxal Phosphate; Pyridoxamine; Succinates; Tritium | 1972 |
Application of spin-labeled vitamin B6 analogues for the study of aspartate aminotransferase.
Topics: Animals; Apoproteins; Aspartate Aminotransferases; Binding Sites; Circular Dichroism; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Molecular Weight; Myocardium; Organophosphorus Compounds; Piperidines; Protein Binding; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Spectrophotometry, Ultraviolet; Spin Labels; Structure-Activity Relationship; Swine | 1974 |
Properties of a specific protease for pyridoxal enzymes and its biological role.
Topics: Animals; Apoproteins; Aspartate Aminotransferases; Chromatography, DEAE-Cellulose; Electrophoresis, Disc; Homoserine; Hydro-Lyases; Intestine, Small; L-Serine Dehydratase; Male; Molecular Weight; Muscles; Organophosphorus Compounds; Ornithine; Peptide Hydrolases; Picolines; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Transaminases; Tyrosine Transaminase; Ultracentrifugation; Vitamin B Deficiency | 1972 |
Interaction of the aspartate aminotransferase apoenzyme and the phosphate esters of some stilboestrol analogues.
Topics: Apoenzymes; Aspartate Aminotransferases; Diethylstilbestrol; Enzyme Activation; Kinetics; Organophosphates; Pyridoxal Phosphate; Pyridoxamine | 1974 |
Metabolic interconversions of different forms of vitamin B6.
Topics: Animals; Chromatography, Ion Exchange; Chromatography, Paper; Electrophoresis, Paper; Isotope Labeling; Kinetics; Liver; Mice; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Time Factors; Tritium | 1974 |
Field desorption mass spectrometry of the B vitamins: pyridoxal, pyridoxamine, their phosphates, and thiamine.
Topics: Chlorides; Computers; Mass Spectrometry; Nitrates; Phosphates; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Thiamine | 1974 |
Susceptibility to thiosemicarbazide (an antagonist of vitamin B6), and phylogenetic and ontogenetic development of brain.
Topics: Age Factors; Animals; Animals, Newborn; Astacoidea; Behavior, Animal; Biological Evolution; Bombyx; Brain; Cockroaches; Goldfish; Guinea Pigs; Phylogeny; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Ranidae; Seizures; Semicarbazides; Species Specificity; Sulfides | 1974 |
The changes in vitamin B6 and brain amine metabolism in mice chronically treated with delta-9-tetrahydrocannabinol.
Topics: Animals; Brain Chemistry; Cannabis; Depression, Chemical; Dose-Response Relationship, Drug; Dronabinol; Liver; Male; Mice; Myocardium; Norepinephrine; Pyridoxal Phosphate; Pyridoxamine; Stimulation, Chemical | 1974 |
Reaction of pyridoxal 5'-sulfate with apoenzyme of aspartate aminotransferase. Covalent labeling of the protein with elimination of sulfate.
Topics: Animals; Apoenzymes; Aspartate Aminotransferases; Binding Sites; Circular Dichroism; Cysteine; Cytoplasm; Kinetics; Magnetic Resonance Spectroscopy; Models, Chemical; Myocardium; Organophosphorus Compounds; Oxidation-Reduction; Protein Binding; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Schiff Bases; Spectrophotometry; Spectrophotometry, Ultraviolet; Stereoisomerism; Structure-Activity Relationship; Sulfhydryl Compounds; Sulfuric Acids; Swine | 1974 |
The apo-holo hybrid of cytosolic aspartate aminotransferase, preparation and studies on subunit interactions.
Topics: Animals; Apoproteins; Aspartate Aminotransferases; Binding Sites; Circular Dichroism; Cytosol; Drug Stability; Hot Temperature; Hydrogen-Ion Concentration; Isoelectric Focusing; Macromolecular Substances; Myocardium; Protein Binding; Protein Conformation; Protein Denaturation; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Spectrophotometry, Ultraviolet; Swine; Time Factors | 1974 |
The phosphorylases of developing maize seeds.
Topics: Amylases; Glucosephosphates; Iodine; Isoenzymes; Mutation; Phosphoric Acids; Phosphorylases; Polysaccharides; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Seeds; Species Specificity; Starch; Time Factors; Zea mays | 1973 |
Active site-directed inhibition of E. coli DNA-dependent RNA polymerase by pyridoxal 5'-phosphate.
Topics: Binding Sites; Borohydrides; DNA-Directed RNA Polymerases; Enzyme Activation; Escherichia coli; Kinetics; Nucleotides; Organophosphorus Compounds; Oxidation-Reduction; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Schiff Bases; Spectrophotometry; Spectrophotometry, Ultraviolet; Tritium | 1973 |
[Interaction of pyridoxal-5'-phosphate and pyridoxamine-5'-phosphate with apo-gamma-aminobutyrate-glutamate transaminase].
Topics: Apoproteins; Pyridoxal Phosphate; Pyridoxamine; Transaminases | 1972 |
Fluorescence properties of the flavin moiety within N-(5'-phospho)-pyridoxyl flavin amides: spectroscopic models for pyridoxine (Pyridoxamine) 5'-phosphate oxidase.
Topics: Amides; Amino Acid Oxidoreductases; Binding Sites; Chemical Phenomena; Chemistry, Physical; Ethanol; Flavin Mononucleotide; Flavins; Hydrogen-Ion Concentration; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Sodium Chloride; Spectrometry, Fluorescence; Temperature | 1972 |
[Method for determining the pyridoxal coenzyme level in the blood plasma].
Topics: Aspartate Aminotransferases; Blood Proteins; Clinical Enzyme Tests; Coenzymes; Picolines; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1972 |
The stereochemistry of pyridoxal phosphate enzymes. The absolute stereochemistry of cofactor C' 4 protonation in the transamination of holoserine hydroxymethylase by D-alanine.
Topics: Alanine; Aldehydes; Amination; Amino Acids; Animals; Chemical Phenomena; Chemistry; Glycine; Isomerism; Liver; Phosphoric Acids; Protons; Pyridoxal Phosphate; Pyridoxamine; Pyruvates; Serine; Sheep; Tetrahydrofolates; Transaminases; Transferases; Tritium | 1973 |
Nuclear magnetic resonance of aspartate transaminase. A 19 F and 1 H investigation of the binding of dicarboxylic acids to various forms of each isoenzyme.
Topics: Animals; Apoproteins; Aspartate Aminotransferases; Binding Sites; Binding, Competitive; Dicarboxylic Acids; Fluorine; Glutamates; Histidine; Hydrogen-Ion Concentration; Isoenzymes; Kinetics; Magnetic Resonance Spectroscopy; Mitochondria, Muscle; Models, Chemical; Myocardium; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Structure-Activity Relationship; Subcellular Fractions; Succinates; Swine | 1973 |
Definitive nomenclature for vitamins B-6 and related compounds.
Topics: Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Terminology as Topic | 1973 |
N-(5'-phospho-4'-pyridoxyl)amines as substrates for pyridoxine (pyridoxamine) 5'-phosphate oxidase.
Topics: Amino Acid Oxidoreductases; Amino Acids; Ammonium Sulfate; Animals; Calcium Phosphates; Carbon Isotopes; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography, Gel; Chromatography, Ion Exchange; Ethanol; Glycine; Kinetics; Liver; Models, Chemical; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rabbits; Structure-Activity Relationship | 1973 |
Transamination reaction catalyzed by kynureninase and control of the enzyme activity.
Topics: Amines; Amino Acids; Apoproteins; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Electrophoresis, Paper; Hydrogen-Ion Concentration; Hydrolases; Kinetics; Kynurenine; Ornithine; Pseudomonas; Pyridoxal Phosphate; Pyridoxamine; Pyruvates; Spectrophotometry; Spectrophotometry, Ultraviolet; Time Factors | 1973 |
Spectra of 3-hydroxypyridines. Band-shape analysis and evaluation of tautomeric equilibria.
Topics: Chemical Phenomena; Chemistry; Computers; Hydrogen-Ion Concentration; Isomerism; Mathematics; Organophosphorus Compounds; Phenols; Pyrazines; Pyridines; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Spectrophotometry; Temperature | 1973 |
Intestinal absorption of vitamin B6. I. Pyridoxol uptake by rat intestinal tissue.
Topics: Animals; Chromatography, Paper; Depression, Chemical; Dinitrophenols; Hydrogen-Ion Concentration; In Vitro Techniques; Intestinal Absorption; Intestinal Mucosa; Iodoacetates; Male; Ouabain; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Temperature; Tritium | 1973 |
Affinity labeling of the active center of L-aspartate-beta-decarboxylase with beta-chloro-L-alanine.
Topics: Alanine; Alcaligenes; Aspartic Acid; Binding Sites; Binding, Competitive; Carbon Radioisotopes; Carboxy-Lyases; Chlorine; Cyanogen Bromide; Dialysis; Drug Stability; Glutamates; Hydrogen-Ion Concentration; Models, Chemical; Organophosphorus Compounds; Peptide Fragments; Phosphorus Radioisotopes; Pyridoxal Phosphate; Pyridoxamine; Pyruvates; Schiff Bases; Structure-Activity Relationship | 1974 |
Conformational transitions in glycogen phosphorylase reported by covalently bound pyridoxamine derivatives.
Topics: Adenosine Monophosphate; Animals; Binding Sites; Drug Stability; Glycogen; Hydrogen-Ion Concentration; Kinetics; Macromolecular Substances; Models, Chemical; Muscles; Organophosphonates; Organophosphorus Compounds; Oxidation-Reduction; Phosphorylases; Protein Binding; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Rabbits; Scattering, Radiation; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Structure-Activity Relationship | 1974 |
Catalytic properties of 4'-substituted analogs of pyridoxal-5'-phosphate and pyridoxamine-5'-phosphate in the reaction of model and enzymatic transamination.
Topics: Alanine; Amines; Aspartate Aminotransferases; Binding Sites; Chemical Phenomena; Chemistry; Circular Dichroism; Electrophoresis; Isomerism; Ketoglutaric Acids; Kinetics; Magnetic Resonance Spectroscopy; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases; Spectrophotometry, Ultraviolet; Structure-Activity Relationship | 1974 |
Effect of pH, ionic strength and univalent inorganic ions on the reconstitution of aspartate aminotransferase.
Topics: Animals; Apoproteins; Aspartate Aminotransferases; Bromides; Cesium; Chlorides; Fluorides; Hydrogen-Ion Concentration; Lithium; Myocardium; Organophosphorus Compounds; Osmolar Concentration; Potassium; Pyridoxal Phosphate; Pyridoxamine; Rubidium; Sodium; Spectrophotometry, Ultraviolet; Swine | 1974 |
The enzyme-enzyme complex of transaminase and glutamate dehydrogenase.
Topics: Amino Acids; Animals; Aspartate Aminotransferases; Aspartic Acid; Cattle; Chromatography, Gel; Cytoplasm; Glutamate Dehydrogenase; Glutamates; Ketoglutaric Acids; Kinetics; Macromolecular Substances; Mitochondria, Liver; Multienzyme Complexes; Myocardium; Organophosphorus Compounds; Phenylalanine; Phenylhydrazines; Phenylpyruvic Acids; Pyridoxal Phosphate; Pyridoxamine; Swine; Tyrosine | 1974 |
Comparison of the absorbance spectra and fluorescence behavior of phosphorylase b with that of model pyridoxal phosphate derivatives in various solvents.
Topics: Amines; Animals; Buffers; Chemical Phenomena; Chemistry; Chloroform; Dioxins; Enzyme Activation; Esters; Glucosyltransferases; Hydrogen-Ion Concentration; Lysine; Methanol; Muscles; Phosphorylases; Pyridoxal Phosphate; Pyridoxamine; Rabbits; Schiff Bases; Spectrometry, Fluorescence; Structure-Activity Relationship; Ultraviolet Rays | 1972 |
Levels of B 6 vitamers and of pyridoxal phosphokinase in rat brain during maturation.
Topics: Animals; Brain; Phosphoric Acids; Phosphotransferases; Picolines; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats | 1972 |
Affinity labeling of the polyphosphate binding site of hemoglobin.
Topics: Amino Acids; Binding Sites; Borohydrides; Chromatography, Ion Exchange; Fluorescence; Glyceric Acids; Hemoglobins; Humans; Magnetic Resonance Spectroscopy; Organophosphorus Compounds; Oxidation-Reduction; Oxygen; Peptides; Pronase; Protein Binding; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases; Structure-Activity Relationship; Trypsin; Valine | 1972 |
A chromatographic separation of the different forms of vitamin B 6 .
Topics: Animals; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Fluorescence; Formates; Hydrogen-Ion Concentration; In Vitro Techniques; Liver; Mice; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Spectrum Analysis; Tritium; Ultraviolet Rays | 1972 |
Paradoxical inhibition of phosphorylase by pyridoxal phosphate. II. Characterization of the pyridoxal phosphate-phosphorylase derivative.
Topics: Adenosine Monophosphate; Adenosine Triphosphate; Allosteric Regulation; Animals; Binding Sites; Borohydrides; Chemical Phenomena; Chemistry; Citrates; Crystallization; Electrophoresis, Disc; Glucosephosphates; Imidazoles; Kinetics; Macromolecular Substances; Muscles; Oxidation-Reduction; Phosphates; Phosphorylases; Pyridoxal Phosphate; Pyridoxamine; Rabbits; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet | 1972 |
Functional properties of ornithine-ketoacid aminotransferase from rat liver.
Topics: Animals; Apoproteins; Binding Sites; Buffers; Carbon Isotopes; Carboxylic Acids; Catalysis; Drug Stability; Glutamates; Hydrogen-Ion Concentration; Keto Acids; Kinetics; Liver; Lysine; Ornithine; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Pyrroles; Rats; Time Factors; Transaminases; Tromethamine | 1972 |
Reaction and regulation mechanisms of selenocysteine beta-lyase.
Topics: Aluminum; Animals; Cysteine; Dithiothreitol; Keto Acids; Liver; Lyases; Magnetic Resonance Spectroscopy; Pyridoxal Phosphate; Pyridoxamine; Selenium; Selenocysteine; Swine | 1984 |
Metabolism of vitamin B6 in rat liver mitochondria.
Topics: Animals; Cytosol; Liver; Male; Mitochondria, Liver; Organophosphorus Compounds; Phosphoric Monoester Hydrolases; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxine; Rats | 1981 |
Inhibitory effect of pyridoxal 5'-phosphate on the DNA binding site of ATP-dependent deoxyribonuclease from Bacillus laterosporus.
Topics: Bacillus; Binding Sites; Borohydrides; Deoxyribonucleases; DNA; Exodeoxyribonuclease V; Exonucleases; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence | 1981 |
Histochemical and ultracytochemical detection of pyridoxal and pyridoxamine phosphate hydrolase in rat tissues.
Topics: Animals; Histocytochemistry; Organophosphorus Compounds; Phosphoric Monoester Hydrolases; Pyridoxal Phosphate; Pyridoxamine; Rats | 1980 |
Gyrate atrophy of the choroid and retina: decreased ornithine aminotransferase concentration in cultured skin fibroblasts from patients.
Topics: Atrophy; Cells, Cultured; Choroid; Clinical Enzyme Tests; Dose-Response Relationship, Drug; Fibroblasts; Humans; Immunoenzyme Techniques; Ornithine; Ornithine-Oxo-Acid Transaminase; Pyridoxal Phosphate; Pyridoxamine; Retina; Retinal Diseases; Skin; Transaminases; Uveal Diseases | 1984 |
The reaction of pyridoxal phosphate with holoenzymes in the pyridoxamine phosphate form.
Topics: Animals; Chromatography, Gel; Dopa Decarboxylase; Escherichia coli; Glutamate Decarboxylase; Kidney; Ornithine-Oxo-Acid Transaminase; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Swine | 1984 |
pH studies toward the elucidation of the auxiliary catalyst for pig heart aspartate aminotransferase.
Topics: Aspartate Aminotransferases; Aspartic Acid; Binding, Competitive; Dimethylformamide; Hydrogen-Ion Concentration; Ketoglutaric Acids; Kinetics; Lysine; Maleates; Myocardium; Pyridoxal Phosphate; Pyridoxamine; Temperature | 1983 |
Pyridoxal phosphate as a probe in the active site of ribulose bisphosphate carboxylase/oxygenase.
Topics: Binding Sites; Carboxy-Lyases; Electrophoresis, Polyacrylamide Gel; Histidine; Lysine; Oxidation-Reduction; Photochemistry; Plants; Pyridoxal Phosphate; Pyridoxamine; Ribulose-Bisphosphate Carboxylase; Spectrum Analysis | 1983 |
Neoglycoproteins: preparation of noncovalent glycoproteins through high-affinity protein- (glycosyl) ligand complexes.
Topics: Animals; Apoenzymes; Apoproteins; Aspartate Aminotransferases; Binding Sites; Models, Chemical; Molecular Weight; Pyridoxal Phosphate; Pyridoxamine; Swine; X-Ray Diffraction | 1984 |
Steric restrictions in the active-site region of liver pyridoxamine (pyridoxine) 5'-phosphate oxidase.
Topics: Animals; Binding Sites; Kinetics; Liver; Models, Chemical; Oxidoreductases Acting on CH-NH Group Donors; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Rabbits; Stereoisomerism | 1984 |
Kinetic properties of pyridoxamine (pyridoxine)-5'-phosphate oxidase from rabbit liver.
Topics: Animals; Kinetics; Liver; Mathematics; Oxidoreductases Acting on CH-NH Group Donors; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Rabbits | 1983 |
Characterization of pyridoxal 5'-phosphate disappearance from in vivo perfused segments of rat jejunum.
Topics: Alkaline Phosphatase; Animals; Dose-Response Relationship, Drug; Jejunum; Male; Organophosphorus Compounds; Perfusion; Pyridoxal Phosphate; Pyridoxamine; Rats; Rats, Inbred Strains; Ultracentrifugation | 1982 |
Vitamin B6 metabolism in human red cells: limitations in cofactor activities of pyridoxal and pyridoxal 5-phosphate.
Topics: Aspartate Aminotransferases; Enzyme Activation; Erythrocytes; Humans; In Vitro Techniques; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1982 |
Effect of different levels of vitamin B6 in the diet of rats on the content of pyridoxamine-5'-phosphate and pyridoxal-5'-phosphate in the liver.
Topics: Animals; Diet; Dose-Response Relationship, Drug; Growth; Liver; Male; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxine; Rats; Rats, Inbred Strains; Subcellular Fractions | 1982 |
Vitamin B-6 metabolism and turnover in the ethanol-fed rat.
Topics: Alcoholism; Animals; Body Weight; Brain; Female; Humans; Liver; Male; Organ Size; Organophosphorus Compounds; Pregnancy; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats | 1982 |
B6 vitamer analysis in human plasma by high performance liquid chromatography: a preliminary report.
Topics: Chromatography, High Pressure Liquid; Humans; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine | 1981 |
The metabolism of 3H-pyridoxine in rat liver and brain.
Topics: Animals; Brain; Female; Liver; Models, Biological; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Subcellular Fractions | 1981 |
The effects of administration of semicarbazide and aminooxyacetic acid on B6 vitamer levels in subcellular fractions of mouse brain.
Topics: Acetates; Aminooxyacetic Acid; Animals; Brain; Drug Interactions; Mice; Mitochondria; Organophosphorus Compounds; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Semicarbazides; Subcellular Fractions; Synaptosomes | 1981 |
A radioimmunoassay for phosphorylated forms of vitamin B6.
Topics: Animals; Antibody Specificity; Cattle; Centrifugation, Density Gradient; Phosphorylation; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rabbits; Radioimmunoassay; Serum Albumin, Bovine | 1980 |
Liquid chromatographic separation and quantification of B6 vitamens at plasma concentration levels.
Topics: Chromatography, High Pressure Liquid; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1980 |
Plasma content of B6 vitamers and its relationship to hepatic vitamin B6 metabolism.
Topics: Adult; Animals; Female; Humans; Liver; Male; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Vitamin B Complex | 1980 |
Vitamin B-6 metabolism in the livers of young adult and senescent mice.
Topics: Aging; Animals; Liver; Male; Mice; Organophosphorus Compounds; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine | 1980 |
Vitamin B-6 metabolism in the brains of young adult and senescent mice.
Topics: Aging; Animals; Brain; Kinetics; Male; Mice; Organophosphorus Compounds; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxine | 1980 |
Fluorometric assay of B6 vitamers in biological material.
Topics: Humans; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1981 |
Examining the structural and chemical flexibility of the active site base, Lys-258, of Escherichia coli aspartate aminotransferase by replacement with unnatural amino acids.
Topics: Aspartate Aminotransferases; Binding Sites; Cysteine; Escherichia coli; Imines; Lysine; Models, Chemical; Mutagenesis, Site-Directed; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry; Structure-Activity Relationship; Titrimetry | 1995 |
Role of leucine 201 of thermostable D-amino acid aminotransferase from a thermophile, Bacillus sp. YM-1.
Topics: Alanine; Alanine Transaminase; Bacillus; Bacterial Proteins; Base Sequence; Binding Sites; Catalysis; Circular Dichroism; D-Alanine Transaminase; Enzyme Activation; Enzyme Stability; Hot Temperature; Kinetics; Leucine; Molecular Sequence Data; Mutation; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence; Tryptophan | 1995 |
Structural basis for the catalytic activity of aspartate aminotransferase K258H lacking the pyridoxal 5'-phosphate-binding lysine residue.
Topics: Animals; Aspartate Aminotransferases; Binding Sites; Catalysis; Chickens; Crystallography, X-Ray; Escherichia coli; Histidine; Ketoglutaric Acids; Lysine; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Structure-Activity Relationship; Substrate Specificity | 1995 |
Change in blood levels of vitamin B-6 derivatives in pregnant and lactating rats.
Topics: Animals; Chromatography, High Pressure Liquid; Erythrocytes; Female; Lactation; Nutritional Status; Potassium Cyanide; Pregnancy; Pregnancy, Animal; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Rats, Wistar | 1994 |
The utilization of intravenously infused pyridoxine in humans.
Topics: Adult; Chromatography, High Pressure Liquid; Humans; Infusions, Intravenous; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1994 |
Similarity between pyridoxal/pyridoxamine phosphate-dependent enzymes involved in dideoxy and deoxyaminosugar biosynthesis and other pyridoxal phosphate enzymes.
Topics: Amino Acid Sequence; Aspartate Aminotransferases; Binding Sites; Carboxy-Lyases; Databases, Factual; Glycine Hydroxymethyltransferase; Molecular Sequence Data; Protein Structure, Secondary; Pyridoxal Phosphate; Pyridoxamine; Sequence Alignment; Software | 1994 |
The regulation of alanine and aspartate aminotransferase by different aminothiols and by vitamin B-6 derivatives.
Topics: Alanine Transaminase; Aspartate Aminotransferases; Cyanates; Cysteine; Dose-Response Relationship, Drug; Hydrogen-Ion Concentration; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Stereoisomerism; Temperature | 1994 |
Evidence of an essential lysine in pig liver 5-aminolevulinic acid dehydratase.
Topics: Animals; Enzyme Inhibitors; Kinetics; Levulinic Acids; Liver; Lysine; Models, Molecular; Porphobilinogen; Porphobilinogen Synthase; Pyridoxal Phosphate; Pyridoxamine; Pyruvates; Pyruvic Acid; Swine | 1995 |
[Reactions of decarboxylated and side transamination during interaction of glutamate decarboxylase from Escherichia coli with substrate analogs, modified through C3 and C4 atoms].
Topics: Amination; Carbon; Carboxylic Acids; Circular Dichroism; Escherichia coli; Glutamate Decarboxylase; Pyridoxal Phosphate; Pyridoxamine; Stereoisomerism; Substrate Specificity | 1996 |
Use of 1H-15N heteronuclear multiple-quantum coherence NMR spectroscopy to study the active site of aspartate aminotransferase.
Topics: Aspartate Aminotransferases; Binding Sites; Escherichia coli; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Weight; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine | 1997 |
Role of Arg-277 in the binding of pyridoxal 5'-phosphate to Trypanosoma brucei ornithine decarboxylase.
Topics: Animals; Arginine; Binding Sites; Circular Dichroism; Kinetics; Magnetic Resonance Spectroscopy; Mutagenesis, Site-Directed; Ornithine Decarboxylase; Ornithine Decarboxylase Inhibitors; Pyridoxal Phosphate; Pyridoxamine; Spectrophotometry, Ultraviolet; Trypanosoma brucei brucei; Ultrafiltration | 1997 |
Nonstereospecific transamination catalyzed by pyridoxal phosphate-dependent amino acid racemases of broad substrate specificity.
Topics: Amino Acid Isomerases; Bacterial Proteins; Catalysis; Hydrogen; Ketoglutaric Acids; Molecular Conformation; Ornithine; Pseudomonas putida; Pyridoxal Phosphate; Pyridoxamine; Pyruvic Acid; Substrate Specificity; Transaminases | 1998 |
Overexpression and characterization of the human mitochondrial and cytosolic branched-chain aminotransferases.
Topics: Amino Acid Sequence; Amino Acids, Branched-Chain; Circular Dichroism; Cytosol; Dithionitrobenzoic Acid; Humans; Isoenzymes; Kinetics; Mitochondria; Molecular Sequence Data; Protein Denaturation; Pyridoxal Phosphate; Pyridoxamine; Recombinant Proteins; Sequence Homology, Amino Acid; Spectrophotometry, Ultraviolet; Substrate Specificity; Titrimetry; Transaminases; Urea | 1998 |
Substrate inhibition of D-amino acid transaminase and protection by salts and by reduced nicotinamide adenine dinucleotide: isolation and initial characterization of a pyridoxo intermediate related to inactivation.
Topics: Alanine; Catalysis; Chromatography, High Pressure Liquid; D-Alanine Transaminase; Enzyme Inhibitors; NAD; Pyridoxal Phosphate; Pyridoxamine; Pyruvic Acid; Salts; Serine; Transaminases | 1998 |
3-Amino-5-hydroxybenzoic acid synthase, the terminal enzyme in the formation of the precursor of mC7N units in rifamycin and related antibiotics.
Topics: Actinobacteria; Actinomycetales; Amino Acid Sequence; Aminobenzoates; Base Sequence; Cloning, Molecular; Cyclohexanecarboxylic Acids; Escherichia coli; Evolution, Molecular; Hydro-Lyases; Hydroxybenzoates; Molecular Sequence Data; Phylogeny; Pyridoxal Phosphate; Pyridoxamine; Recombinant Proteins; Restriction Mapping; Rifamycins; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Shikimic Acid; Stereoisomerism; Substrate Specificity; Transaminases | 1998 |
Pre-steady-state kinetic analysis of the reactions of alternate substrates with dialkylglycine decarboxylase.
Topics: Aminoisobutyric Acids; Carboxy-Lyases; Circular Dichroism; Deuterium Oxide; Enzyme Activation; Kinetics; L-Lactate Dehydrogenase; Malonates; Models, Molecular; Pyridoxal Phosphate; Pyridoxamine; Solvents; Spectrometry, Fluorescence; Substrate Specificity | 1998 |
Crystallographic study of steps along the reaction pathway of D-amino acid aminotransferase.
Topics: Alanine Transaminase; Bacillus; Binding Sites; Catalysis; Crystallography, X-Ray; D-Alanine Transaminase; Diazonium Compounds; Molecular Structure; Pyridines; Pyridoxal Phosphate; Pyridoxamine; Substrate Specificity | 1998 |
Thermodynamics and molecular simulation analysis of hydrophobic substrate recognition by aminotransferases.
Topics: Aspartate Aminotransferases; Catalysis; Computer Simulation; Escherichia coli; Kinetics; Models, Molecular; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Substrate Specificity; Thermodynamics; Transaminases | 1998 |
Restoration of rat liver L-threonine dehydratase activity by pyridoxamine 5'-phosphate: the half-transaminating activity of L-threonine dehydratase and its regulatory role.
Topics: Acetoacetates; Alanine; Animals; Apoenzymes; Enzyme Reactivators; Liver; Male; Pyridoxal Phosphate; Pyridoxamine; Pyruvic Acid; Rats; Rats, Wistar; Threonine Dehydratase | 1998 |
Vitamin B-6 deficiency and level of dietary protein affect hepatic tyrosine aminotransferase activity in cats.
Topics: Animals; Cats; Circadian Rhythm; Cystathionine; Dietary Proteins; Food Deprivation; Liver; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Rats, Sprague-Dawley; Tyrosine; Tyrosine Transaminase; Vitamin B 6 Deficiency | 1998 |
pH studies on the mechanism of the pyridoxal phosphate-dependent dialkylglycine decarboxylase.
Topics: Binding Sites; Carboxy-Lyases; Catalysis; Dithionitrobenzoic Acid; Fluorescent Dyes; Hydrogen-Ion Concentration; Kinetics; Metals; Methylation; Oxadiazoles; Oxidation-Reduction; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence; Spectrophotometry | 1999 |
Vitamin B6 (pyridoxine) and its derivatives are efficient singlet oxygen quenchers and potential fungal antioxidants.
Topics: Ascomycota; Kinetics; Oxidation-Reduction; Oxygen; Perylene; Photochemistry; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Singlet Oxygen; Ultraviolet Rays | 2000 |
Stereochemistry of the transamination reaction catalyzed by aminodeoxychorismate lyase from Escherichia coli: close relationship between fold type and stereochemistry.
Topics: Alanine; Apoenzymes; Catalysis; Escherichia coli; Evolution, Molecular; Hydrogen; Kinetics; Molecular Conformation; Oxo-Acid-Lyases; Protein Folding; Pyridoxal Phosphate; Pyridoxamine; Pyruvic Acid; Recombinant Proteins; Spectrophotometry; Transaminases; Tryptophan Synthase; Tryptophanase | 2000 |
Vitamin B-6 intakes and plasma B-6 vitamer concentrations of men and women, 19-50 years of age.
Topics: Adult; Diet Records; Female; Humans; Male; Middle Aged; Nutritional Status; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Sex Factors; White People | 2000 |
Determination of vitamin B(6) in cooked sausages.
Topics: Acetonitriles; Buffers; Chromatography, High Pressure Liquid; Meat Products; Phosphates; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Sensitivity and Specificity | 2001 |
Vitamin B6 phototoxicity induced by UVA radiation.
Topics: Cell Line; Cell Survival; Electron Spin Resonance Spectroscopy; Fibroblasts; Humans; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Ultraviolet Rays | 2000 |
Effect of vitamin B6 deficiency on the synthesis and accumulation of S-adenosylhomocysteine and S-adenosylmethionine in rat tissues.
Topics: Animals; Brain; Chromatography, High Pressure Liquid; Liver; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Random Allocation; Rats; Rats, Wistar; S-Adenosylhomocysteine; S-Adenosylmethionine; Thymus Gland; Time Factors; Vitamin B 6 Deficiency | 2001 |
Pyridoxal 5'-phosphate and pyridoxal inhibit angiogenesis in serum-free rat aortic ring assay.
Topics: Angiogenesis Inhibitors; Animals; Aorta, Thoracic; Blood Vessels; Culture Media, Serum-Free; In Vitro Techniques; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Rats, Wistar; Time Factors | 2001 |
Active site structure and stereospecificity of Escherichia coli pyridoxine-5'-phosphate oxidase.
Topics: Arginine; Binding Sites; Crystallization; Crystallography, X-Ray; Electron Transport; Escherichia coli; Flavin Mononucleotide; Hydrogen; Hydrogen Bonding; Kinetics; Models, Molecular; Mutation; Protein Structure, Secondary; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Stereoisomerism; Substrate Specificity; Tyrosine; Water | 2002 |
Tpn1p, the plasma membrane vitamin B6 transporter of Saccharomyces cerevisiae.
Topics: Alleles; Amino Acid Sequence; Cell Membrane; Crosses, Genetic; Gene Expression; Green Fluorescent Proteins; Luminescent Proteins; Membrane Transport Proteins; Molecular Sequence Data; Mutation; Promoter Regions, Genetic; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Sequence Alignment; Sequence Analysis, DNA; Structure-Activity Relationship; Tritium; Vitamin B 6 | 2003 |
Expression of a Brassic napus glutamate 1-semialdehyde aminotransferase in Escherichia coli and characterization of the recombinant protein.
Topics: Amino Acid Sequence; Base Sequence; Brassica napus; Escherichia coli; Gene Expression; Genetic Vectors; Glutamic Acid; Intramolecular Transferases; Molecular Sequence Data; Molecular Weight; Pyridoxal Phosphate; Pyridoxamine; Recombinant Proteins; Tissue Distribution | 2003 |
Separation and determination of vitamin B6 group (pyridoxine, pyridoxal, pyridoxamine, pyridoxal-phosphate and pyridoxamine-phosphate); separation by paper electrophoresis of riboflavin (riboflavin, FMN and FAD) and of nicotinamide (nicotinamide, DPN and
Topics: Coenzymes; Electrophoresis; Electrophoresis, Paper; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; NAD; Niacin; Niacinamide; Nicotinic Acids; Nucleotides; Phosphates; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Riboflavin; Vitamin B 6 | 1954 |
Enzymatic oxidation of pyridoxamine phosphate to pyridoxal phosphate in rabbit liver.
Topics: Animals; Coenzymes; Liver; Oxidation-Reduction; Pyridoxal Phosphate; Pyridoxamine; Rabbits; Vitamin B 6 | 1958 |
[Non-enzymatic transaminations of pyridoxal phosphate and pyridoxamine phosphate at physiological temperature and in the presence of metals].
Topics: Amino Acids; Coenzymes; Kernicterus; Metals; Pyridoxal Phosphate; Pyridoxamine; Temperature; Vitamin B 6 | 1960 |
[Spectrofluorimetric study of pyridoxamine phosphate, pyridoxal phosphate and their derivatives].
Topics: Coenzymes; Pyridoxal Phosphate; Pyridoxamine | 1960 |
Pyridoxamine phosphate-oxidase and pyridoxal phosphate-phosphatase activities in Escherichia coli.
Topics: Escherichia coli; Oxidoreductases; Phosphoric Monoester Hydrolases; Pyridoxal Phosphate; Pyridoxamine | 1961 |
[Spectrofluorometric determination of pyridoxal-5-phosphate and of pyridoxamine-5-phosphate].
Topics: Coenzymes; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence; Vitamin B 6 | 1959 |
The isolation of C-14-labeled pyridoxamine from Candida utilis A.T.C.C. 9950.
Topics: Candida; Humans; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine | 1963 |
PYRIDOXAMINE-OXALOACETIC TRANSAMINASE OF RAT KIDNEY.
Topics: Acetates; Arsenicals; Aspartate Aminotransferases; Buffers; Chromatography; Diethylstilbestrol; Diphosphates; Glycerophosphates; Keto Acids; Kidney; Kynurenine; Phosphates; Potassium; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rats; Research; Transaminases | 1964 |
[ON THE DETERMINATION OF PYRIDOXAL-5-PHOSPHATE ESTER AND PYRIDOXAMINE-5-PHOSPHATE ESTER WITH APOASPARTATE AMINOTRANSFERASE FROM BREWERS' YEAST].
Topics: Aspartate Aminotransferases; Esters; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Research; Saccharomyces; Saccharomyces cerevisiae; Transaminases; Vitamin B 6 | 1964 |
THE CONVERSION OF PYRIDOXINE PHOSPHATE INTO PYRIDOXAL PHOSPHATE IN ESCHERICHIA COLI.
Topics: Amines; Biochemical Phenomena; Biochemistry; Enzyme Inhibitors; Escherichia coli; Iproniazid; Isoniazid; Metabolism; Oxidoreductases; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxine; Research | 1965 |
Effect of vitamin B6 on oxygen radicals, mitochondrial membrane potential, and lipid peroxidation in H2O2-treated U937 monocytes.
Topics: Humans; Hydrogen Peroxide; Lipid Peroxidation; Membrane Potentials; Mitochondria; Monocytes; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Reactive Oxygen Species; U937 Cells; Vitamin B 6 | 2004 |
Disruption of the plr1+ gene encoding pyridoxal reductase of Schizosaccharomyces pombe.
Topics: Alcohol Oxidoreductases; Base Sequence; Catalysis; Cells, Cultured; Cloning, Molecular; Immunoblotting; Mutation; NADP; Phenotype; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Schizosaccharomyces; Vitamin B 6 | 2004 |
Anti-angiogenic effect of pyridoxal 5'-phosphate, pyridoxal and pyridoxamine on embryoid bodies derived from mouse embryonic stem cells.
Topics: Angiogenesis Inhibitors; Animals; Embryo, Mammalian; Hematopoietic Stem Cells; Mice; Neovascularization, Pathologic; Neovascularization, Physiologic; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine | 2004 |
Decrypting the biochemical function of an essential gene from Streptococcus pneumoniae using ThermoFluor technology.
Topics: Amino Acid Sequence; Bacterial Proteins; Benzopyrans; Dimerization; Furans; Genes, Essential; Ligands; Molecular Sequence Data; Nucleoside Diphosphate Sugars; Pyridoxal Phosphate; Pyridoxamine; Streptococcus pneumoniae; Transaminases | 2005 |
PLP and PMP radicals: a new paradigm in coenzyme B6 chemistry.
Topics: Catalysis; Free Radicals; Hydro-Lyases; Intramolecular Transferases; Iron; Molecular Structure; Nucleic Acid Conformation; Pyridoxal Phosphate; Pyridoxamine; Vitamin B 6 | 2001 |
Purification and characterization of pyridoxine 5'-phosphate phosphatase from Sinorhizobium meliloti.
Topics: Amino Acid Sequence; Bacterial Proteins; Cations, Divalent; Chromatography, Ion Exchange; Culture Media; Cytoplasm; Kinetics; Molecular Weight; Phosphoric Monoester Hydrolases; Phosphorylation; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Sinorhizobium meliloti | 2005 |
Spectral and kinetic characterization of 7,8-diaminopelargonic acid synthase from Mycobacterium tuberculosis.
Topics: Chromatography, Liquid; Kinetics; Mycobacterium tuberculosis; Pyridoxal Phosphate; Pyridoxamine; S-Adenosylmethionine; Spectrometry, Mass, Electrospray Ionization; Spectrum Analysis; Transaminases | 2006 |
Crystal structures of the PLP- and PMP-bound forms of BtrR, a dual functional aminotransferase involved in butirosin biosynthesis.
Topics: Amino Acid Sequence; Bacillus; Binding Sites; Computer Simulation; Crystallization; Crystallography, X-Ray; Hydrogen Bonding; Models, Molecular; Protein Binding; Pyridoxal Phosphate; Pyridoxamine; Transaminases | 2006 |
Children of Latino immigrants, 4-8 years, in rural Nebraska are adequate in vitamin B-6.
Topics: Alanine Transaminase; Child; Child, Preschool; Female; Hispanic or Latino; Homocysteine; Humans; Male; Nebraska; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rural Population; Surveys and Questionnaires; Vitamin B 6 | 2006 |
Cofactor-directed reversible denaturation pathways: the cofactor-stabilized Escherichia coli aspartate aminotransferase homodimer unfolds through a pathway that differs from that of the apoenzyme.
Topics: Aspartate Aminotransferases; Circular Dichroism; Enzyme Stability; Escherichia coli; Guanidine; Holoenzymes; Protein Denaturation; Protein Folding; Protein Renaturation; Protein Structure, Quaternary; Pyridoxal Phosphate; Pyridoxamine; Spectrometry, Fluorescence; Thermodynamics; Urea | 2007 |
Pyridoxal phosphate prevents progression of diabetic nephropathy.
Topics: Administration, Oral; Animals; Diabetic Nephropathies; Female; Fibronectins; Glycation End Products, Advanced; Kidney; Pyridoxal Phosphate; Pyridoxamine; Rats; Rats, Sprague-Dawley; Receptor for Advanced Glycation End Products; Receptors, Immunologic; Streptozocin; Transforming Growth Factor beta1; Vitamin B 6 | 2007 |
Vitamin B6 metabolism in chronic kidney disease--relation to transsulfuration, advanced glycation and cardiovascular disease.
Topics: Adult; Aged; Aged, 80 and over; Cardiovascular Diseases; Erythrocytes; Female; Glycation End Products, Advanced; Humans; Male; Middle Aged; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Renal Insufficiency, Chronic; Vitamin B 6 | 2010 |
Imitating prebiotic homochirality on Earth.
Topics: Amino Acids; Evolution, Chemical; Extraterrestrial Environment; Meteoroids; Molecular Structure; Nucleosides; Origin of Life; Pyridoxal Phosphate; Pyridoxamine; Ribose; Stereoisomerism; Water | 2010 |
DFT studies on Schiff base formation of vitamin B6 analogues. Reaction between a pyridoxamine-analogue and carbonyl compounds.
Topics: Acetaldehyde; Aldehydes; Amines; Amino Acids; Imines; Ketones; Molecular Dynamics Simulation; Nitrogen; Protons; Pyridoxal Phosphate; Pyridoxamine; Quantum Theory; Schiff Bases; Solvents; Thermodynamics; Vitamin B 6; Water | 2010 |
Structural analysis of WbpE from Pseudomonas aeruginosa PAO1: a nucleotide sugar aminotransferase involved in O-antigen assembly.
Topics: Alanine; Crystallography, X-Ray; Models, Molecular; Mutation; Nitrogenous Group Transferases; O Antigens; Protein Binding; Pseudomonas aeruginosa; Pseudomonas Infections; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases; Uridine Diphosphate Glucuronic Acid | 2010 |
Necessary and sufficient conditions for the asymmetric synthesis of chiral amines using ω-aminotransferases.
Topics: Acetophenones; Agrobacterium tumefaciens; Alanine; Amines; Isomerism; L-Lactate Dehydrogenase; Molecular Conformation; Pyridoxal Phosphate; Pyridoxamine; Streptomyces; Transaminases; Vibrio | 2011 |
Positive transcriptional control of the pyridoxal phosphate biosynthesis genes pdxST by the MocR-type regulator PdxR of Corynebacterium glutamicum ATCC 13032.
Topics: Amino Acid Sequence; Bacterial Proteins; Base Sequence; Binding Sites; Corynebacterium glutamicum; Culture Media; DNA, Bacterial; DNA, Intergenic; Electrophoretic Mobility Shift Assay; Gene Deletion; Gene Expression Regulation, Bacterial; Molecular Sequence Data; Promoter Regions, Genetic; Protein Binding; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Sequence Alignment; Trans-Activators; Transcription Initiation Site; Vitamin B 6 | 2011 |
Interconversions of different forms of vitamin B6 in tobacco plants.
Topics: Chromatography, High Pressure Liquid; Nicotiana; Plant Leaves; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Vitamin B 6 | 2011 |
Structure and mechanism of a cysteine sulfinate desulfinase engineered on the aspartate aminotransferase scaffold.
Topics: Amino Acid Sequence; Amino Acid Substitution; Amino Acids, Dicarboxylic; Aspartate Aminotransferases; Biocatalysis; Carbon-Sulfur Lyases; Catalytic Domain; Crystallography, X-Ray; Escherichia coli; Hydrogen Bonding; Ligands; Models, Molecular; Molecular Sequence Data; Protein Conformation; Protein Engineering; Pyridoxal Phosphate; Pyridoxamine; Substrate Specificity | 2012 |
C-H activation in pyridoxal-5'-phosphate and pyridoxamine-5'-phosphate Schiff bases: effect of metal chelation. A computational study.
Topics: Carbon; Catalysis; Chelating Agents; Coordination Complexes; Hydrogen; Kinetics; Metals; Models, Chemical; Pyridoxal Phosphate; Pyridoxamine; Schiff Bases | 2013 |
Comparative study on the responses of concentrations of B₆-vitamers in several tissues of mice to the dietary level of pyridoxine.
Topics: Animals; Brain; Diet; Dietary Supplements; Kidney; Liver; Male; Mice; Mice, Inbred ICR; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Spleen | 2012 |
Effect of abiotic stress on the abundance of different vitamin B6 vitamers in tobacco plants.
Topics: Chromatography, High Pressure Liquid; Cold Temperature; Droughts; Nicotiana; Osmotic Pressure; Oxidative Stress; Plant Leaves; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Ultraviolet Rays | 2013 |
Crystal structure of Saccharomyces cerevisiae Aro8, a putative α-aminoadipate aminotransferase.
Topics: 2-Aminoadipate Transaminase; Catalytic Domain; Crystallography, X-Ray; HEPES; Humans; Lysine; Models, Molecular; Protein Structure, Tertiary; Pyridoxal Phosphate; Pyridoxamine; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Substrate Specificity; Thermus thermophilus; Transaminases | 2013 |
Asymmetry of the active site loop conformation between subunits of glutamate-1-semialdehyde aminomutase in solution.
Topics: Absorption; Biocatalysis; Catalytic Domain; Coenzymes; Crystallography, X-Ray; Intramolecular Transferases; Potassium Iodide; Protein Multimerization; Protein Structure, Secondary; Protein Subunits; Pyridoxal Phosphate; Pyridoxamine; Solutions; Spectrometry, Fluorescence; Synechococcus | 2013 |
The structure of NtdA, a sugar aminotransferase involved in the kanosamine biosynthetic pathway in Bacillus subtilis, reveals a new subclass of aminotransferases.
Topics: Amino Acid Motifs; Bacillus subtilis; Bacterial Proteins; Catalytic Domain; Crystallography, X-Ray; Glucosamine; Pyridoxal Phosphate; Pyridoxamine; Structural Homology, Protein; Transaminases | 2013 |
Typical and atypical phenotypes of PNPO deficiency with elevated CSF and plasma pyridoxamine on treatment.
Topics: Brain Diseases, Metabolic; Child; Child, Preschool; Electroencephalography; Humans; Hypoxia-Ischemia, Brain; Male; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Seizures; Vitamin B Complex | 2014 |
Vitamin B-6 vitamers in human plasma and cerebrospinal fluid.
Topics: Adolescent; Adult; Algorithms; Chromatography, High Pressure Liquid; Female; Humans; Limit of Detection; Male; Middle Aged; Netherlands; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Reference Values; Reproducibility of Results; Sex Characteristics; Tandem Mass Spectrometry; Vitamin B 6; Young Adult | 2014 |
Theoretical study on carbon-carbon short contact of ∼2.3 Å: intermediate state between nonbonding and σ-covalent bonding.
Topics: Carbon; Copper; Molecular Conformation; Organometallic Compounds; Pyridoxal Phosphate; Pyridoxamine; Quantum Theory; Schiff Bases | 2015 |
Vitamin B6 in plasma and cerebrospinal fluid of children.
Topics: Adolescent; Anticonvulsants; Child; Child, Preschool; Chromatography, Liquid; Cross-Sectional Studies; Female; Humans; Infant; Intellectual Disability; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Tandem Mass Spectrometry; Vitamin B 6 | 2015 |
Molecular dynamics simulations of apo, holo, and inactivator bound GABA-at reveal the role of active site residues in PLP dependent enzymes.
Topics: 4-Aminobutyrate Transaminase; Animals; Catalytic Domain; Enzyme Inhibitors; GABA Agents; gamma-Aminobutyric Acid; Molecular Docking Simulation; Molecular Dynamics Simulation; Pyridoxal Phosphate; Pyridoxamine; Swine; Vigabatrin | 2016 |
PdxH proteins of mycobacteria are typical members of the classical pyridoxine/pyridoxamine 5'-phosphate oxidase family.
Topics: Bacterial Proteins; Mycobacterium leprae; Mycobacterium marinum; Mycobacterium tuberculosis; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Substrate Specificity | 2016 |
Balancing of B6 Vitamers Is Essential for Plant Development and Metabolism in Arabidopsis.
Topics: Ammonium Compounds; Arabidopsis; Arabidopsis Proteins; Biosynthetic Pathways; Homeostasis; Metabolome; Models, Biological; Nitrogen; Plant Leaves; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Reproduction; Seedlings; Sequence Analysis, RNA; Vitamin B 6 | 2016 |
Generic HPLC platform for automated enzyme reaction monitoring: Advancing the assay toolbox for transaminases and other PLP-dependent enzymes.
Topics: Amines; Chromatography, Gel; Chromatography, High Pressure Liquid; Kinetics; Pyridoxal Phosphate; Pyridoxamine; Substrate Specificity; Transaminases | 2016 |
The value of plasma vitamin B6 profiles in early onset epileptic encephalopathies.
Topics: Adolescent; Adult; Biomarkers; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Male; Metabolism, Inborn Errors; Plasma; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Spasms, Infantile; Vitamin B 6; Young Adult | 2016 |
Rapid determination of the various native forms of vitamin B
Topics: Animals; Cattle; Chromatography, High Pressure Liquid; Humans; Milk; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Riboflavin; Vitamin B 6 | 2017 |
Three in One: Temperature, Solvent and Catalytic Stability by Engineering the Cofactor-Binding Element of Amine Transaminase.
Topics: Binding Sites; Dimethyl Sulfoxide; Enzyme Stability; Propylamines; Protein Engineering; Protein Structure, Quaternary; Pyridoxal Phosphate; Pyridoxamine; Solvents; Temperature; Transaminases; Transition Temperature; Water | 2017 |
An LC-MS/MS-Based Method for the Quantification of Pyridox(am)ine 5'-Phosphate Oxidase Activity in Dried Blood Spots from Patients with Epilepsy.
Topics: Adolescent; Adult; Area Under Curve; Case-Control Studies; Child; Child, Preschool; Chromatography, High Pressure Liquid; Dried Blood Spot Testing; Epilepsy; Humans; Infant; Infant, Newborn; Male; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; ROC Curve; Tandem Mass Spectrometry; Vitamin B 6; Young Adult | 2017 |
Selective Targeting by a Mechanism-Based Inactivator against Pyridoxal 5'-Phosphate-Dependent Enzymes: Mechanisms of Inactivation and Alternative Turnover.
Topics: 4-Aminobutyrate Transaminase; Aspartate Aminotransferases; Binding Sites; Catalytic Domain; Crystallography, X-Ray; Cycloleucine; Databases, Chemical; Databases, Protein; Enzyme Inhibitors; Escherichia coli Proteins; Humans; Ligands; Models, Molecular; Molecular Conformation; Ornithine-Oxo-Acid Transaminase; Protein Conformation; Pyridoxal Phosphate; Pyridoxamine; Recombinant Proteins; Structural Homology, Protein; Substrate Specificity | 2017 |
Bioconversion of pyridoxine to pyridoxamine through pyridoxal using a Rhodococcus expression system.
Topics: Alcohol Oxidoreductases; Biocatalysis; Gene Expression Regulation, Bacterial; Metabolic Engineering; Organisms, Genetically Modified; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Rhodococcus; Transaminases; Vitamin B 6 | 2019 |
PMP-diketopiperazine adducts form at the active site of a PLP dependent enzyme involved in formycin biosynthesis.
Topics: Bacterial Proteins; Biocatalysis; Catalytic Domain; Cycloserine; Diketopiperazines; Formycins; Hydrogen-Ion Concentration; Pyridoxal Phosphate; Pyridoxamine; Streptomyces; Transaminases | 2019 |
Structural attributes and substrate specificity of pyridoxal kinase from Leishmania donovani.
Topics: Amino Acid Sequence; Catalytic Domain; Humans; Leishmania donovani; Phosphotransferases (Alcohol Group Acceptor); Protein Conformation; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxine; Substrate Specificity | 2020 |
Characterization and functional insights into the Entamoeba histolytica pyridoxal kinase, an enzyme essential for its survival.
Topics: Binding Sites; Catalysis; Entamoeba histolytica; Phosphorylation; Phylogeny; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Vitamin B 6 | 2020 |
Characterization of an aminotransferase from Acanthamoeba polyphaga Mimivirus.
Topics: Acanthamoeba; Amino Acid Sequence; Binding Sites; Cloning, Molecular; Coenzymes; Crystallography, X-Ray; Escherichia coli; Gene Expression; Genetic Vectors; Kinetics; Mimiviridae; Models, Molecular; Mutation; Protein Binding; Protein Conformation, alpha-Helical; Protein Conformation, beta-Strand; Protein Interaction Domains and Motifs; Pyridoxal Phosphate; Pyridoxamine; Recombinant Proteins; Sequence Alignment; Sequence Homology, Amino Acid; Substrate Specificity; Transaminases; Uridine Diphosphate Glucose; Viral Proteins | 2021 |
Pyridoxal phosphate, pyridoxamine phosphate, and folic acid based on ceRNA regulatory network as potential biomarkers for the diagnosis of pulmonary tuberculosis.
Topics: Biomarkers; Folic Acid; Gene Regulatory Networks; Humans; MicroRNAs; Pyridoxal Phosphate; Pyridoxamine; RNA, Long Noncoding; RNA, Messenger; Tuberculosis, Pulmonary; Vitamins | 2022 |
Cycloserine enantiomers inhibit PLP-dependent cysteine desulfurase SufS via distinct mechanisms.
Topics: Carbon-Sulfur Lyases; Cycloserine; Iron; Phosphates; Pyridoxal Phosphate; Pyridoxamine; Sulfur | 2022 |
Mechanism of D-Cycloserine Inhibition of D-Amino Acid Transaminase from Haliscomenobacter hydrossis.
Topics: Amino Acids; Cycloserine; Pyridoxal Phosphate; Pyridoxamine; Transaminases | 2023 |