pyridoxamine has been researched along with pyridoxamine phosphate in 146 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 59 (40.41) | 18.7374 |
| 1990's | 42 (28.77) | 18.2507 |
| 2000's | 22 (15.07) | 29.6817 |
| 2010's | 19 (13.01) | 24.3611 |
| 2020's | 4 (2.74) | 2.80 |
| Authors | Studies |
|---|---|
| Martinez-Carrion, M | 1 |
| Snell, EE; Suelter, CH | 1 |
| Dakshinamurti, K; Sharma, SK | 1 |
| Cioni, P; Onuffer, JJ; Strambini, GB | 1 |
| Liu, HW; Miller, VP; Weigel, TM | 1 |
| Bhatia, MB; Futaki, S; Manning, JM; Martinez del Pozo, A; Ringe, D; Soda, K; Yoshimura, T | 1 |
| Guerranti, R; Leoncini, R; Marinello, E; Pagani, R; Righi, S | 1 |
| Ilag, LL; Jahn, D | 1 |
| Kirsch, JF; Toney, MD | 1 |
| Grimm, B; Kannangara, CG; Smith, MA; von Wettstein, D | 1 |
| Harris, DJ; Yang, BI | 1 |
| Iriarte, A; Martinez-Carrion, M; Sanchez-Ruiz, JM | 1 |
| Beale, SI; Rieble, S | 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 |
| Meister, A | 2 |
| Furth-Walker, D; Leibman, D; Smolen, A | 2 |
| Borschel, MW; Hamaker, BR; Kirksey, A | 1 |
| Hsu, LC; Okamoto, M; Snell, EE | 1 |
| Churchich, JE | 1 |
| Di Ianni, CL; Villafranca, JJ | 1 |
| el-Ezaby, MS; Fareed, S; Marafie, HM | 1 |
| Martin, DL; Martin, SB; Porter, TG | 1 |
| Martin, DL; Porter, TG | 1 |
| Christen, P; Gehring, H; Tobler, HP | 2 |
| Hosoya, N; Ikeda, S; Kanda, A; Shimura, F | 1 |
| Christen, P; Finlayson, WL; Kirsch, JF; Kochhar, S | 1 |
| Arnone, MI; De Rosa, M; Gambacorta, A; Marino, G; Nitti, G; Sannia, G | 1 |
| Dobryszycki, P; Kochman, M | 1 |
| Esaki, N; Karai, N; Nakamura, T; Soda, K; Tanaka, H | 1 |
| Arnone, A; Hyde, CC; Makinen, MW; Metzler, CM; Metzler, DE; Mitra, J; Rogers, PH | 1 |
| Chuvykin, MB; Pavlova, MP | 1 |
| Miles, EW | 1 |
| Bogaards, JJ; Van den Berg, H | 1 |
| Kirino, J; Nozaki, M; Yagi, T; Yamamoto, S | 1 |
| Bowers-Komro, DM; McCormick, DB | 2 |
| Borschel, M; Ekanayake, A; Hamaker, B; Kirksey, A | 1 |
| Kim, BC; Poillon, WN; Robinson, MD | 1 |
| Aronoff, GR; Li, TK; Lui, A; Lumeng, L | 1 |
| Martin, DL; Martin, SB; Porter, TG; Spink, DC | 1 |
| Gehring, H | 1 |
| Esaki, N; Karai, N; Soda, K; Tanaka, H | 1 |
| Li, TK; Lui, A; Lumeng, L | 2 |
| Kishino, Y; Sumi, T | 1 |
| Basford, JM; Borri Voltattorni, C; Grant, P; John, RA; Minelli, A | 1 |
| Cook, PF; Kiick, DM | 1 |
| Chen, VJ; Wold, F | 1 |
| Bucci, E; Kowalczyck, J | 1 |
| Bowers-Komro, M; Choi, JD; Davis, MD; Edmondson, DE; McCormick, DB | 1 |
| Hartmeier, GM; Sawhney, AK; Yang, BI | 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 |
| Eggers, DK; Fonda, ML; Mehta, R | 1 |
| Auerbach, S; Eggers, DK; Fonda, ML; Fritsch, L | 1 |
| Jones, SW; O'Brien, RD; Sudershan, P | 1 |
| Chauhan, MS; Dakshinamurti, K | 1 |
| Gloss, LM; Kirsch, JF | 1 |
| Esaki, N; Kishimoto, K; Manning, JM; Soda, K; Sugio, S; Yoshimura, T | 1 |
| Driskell, JA; Giraud, DW; Martin, HD | 1 |
| Furumo, NC; Kirsch, JF | 1 |
| Christen, P; Gehring, H; Jäger, J; Jansonius, JN; Malashkevich, VN; Sauder, U; Ziak, M | 1 |
| Christen, P; Jansonius, JN; Malashkevich, VN; Sandmeier, E; Vacca, RA | 1 |
| Hayashi, H; Hirotsu, K; Kagamiyama, H; Miyahara, I | 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 |
| Andersen, JS; Brody, S; Kannangara, CG; Meldgaard, M; Roepstorff, P; von Wettstein, D | 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 |
| 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 |
| 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 |
| di Salvo, ML; Ko, TP; Musayev, FN; Raboni, S; Safo, MK; Schirch, V | 1 |
| Conway, ME; Farber, GK; Hutson, SM; Yennawar, HP; Yennawar, NH | 1 |
| Badger, J; Buchanan, MD; Buchanan, SG; Christopher, JA; Gajiwala, KS; Hendle, J; Müller-Dieckmann, HJ; Newman, JM; Noland, BW; Rutter, ME; Sanderson, WE; Tresser, J; Wright, TA | 1 |
| Donoso, J; Frau, J; Muñoz, F; Salvà, A; Vilanova, B | 1 |
| Morita, T; Yagi, T; Yokochi, N | 1 |
| Chang, Q; Hu, Z; Keller, WA; McGregor, DI; Tsang, EW | 1 |
| LIS, H; SILIPRANDI, D; SILIPRANDI, N | 1 |
| BEECHEY, RB; HAPPOLD, FC | 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 |
| SNELL, EE; WADA, H | 1 |
| HENDERSON, HM | 1 |
| Agnihotri, G; Liu, HW; Liu, YN; Paschal, BM | 1 |
| Chantepie, J; Charlot, C; Hamedi-Sangsari, F; Quash, G; Roch, AM; Thomas, V; Vila, J | 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 |
| Mallika, B; P Preeya, W; Sineenart, S; Suphaporn, P; Suwanna, N; Yanee, T | 1 |
| Bertoldi, M; Borri Voltattorni, C; Cellini, B; Montioli, R | 1 |
| RABINOWITZ, JC; SNELL, EE | 1 |
| Imperiali, B; Larkin, A; Olivier, NB | 1 |
| Joo, K; Kim, BG; Kyung, D; Lee, J; Seo, JH | 1 |
| Fan, J; Gao, Y; Ge, H; Lv, X; Niu, L; Teng, M | 1 |
| Christen, P; Coll, M; de Vries, D; Fernandez, FJ; Gehring, H; Peña-Soler, E; Vega, MC | 1 |
| Albersen, M; Bosma, M; de Koning, TJ; de Ruijter, J; de Ruiter, BH; Diekman, EF; Knoers, NV; Verhoeven-Duif, NM; Visser, WF | 1 |
| Casasnovas, R; Donoso, J; Frau, J; Muñoz, F; Ortega-Castro, J | 1 |
| Brunzelle, JS; Bulfer, SL; Trievel, RC | 1 |
| Anjum, S; Jagdhane, R; Ko, JB; Palmer, DRJ; Sanders, DAR; van Straaten, KE | 1 |
| Angkawidjaja, C; Kanaya, S; Koga, Y; Okada, K | 1 |
| Florentinus-Mefailoski, A; Marshall, JG | 1 |
| Hatakeyama, M; Ishida, T; Kitamura, K; Nakamura, S; Ogata, K | 1 |
| Chen, Y; Jiang, S; Wei, D; Yi, D | 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 |
| 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 |
| de Crécy-Lagard, V; Gao, S; Liu, H; Naismith, JH; Richards, NGJ; Zhu, W | 1 |
| Barker, J; Gariballa, S; Ibrahim, GR; Salman Ashraf, S; Shah, I; Yasin, J | 1 |
| Ali, MF; Devi, S; Gourinath, S; Rehman, SAA; Tarique, KF; Tomar, P | 1 |
| Ferek, JD; Holden, HM; Seltzner, CA; Thoden, JB | 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 |
2 review(s) available for pyridoxamine and pyridoxamine phosphate
| Article | Year |
|---|---|
On the transamination of enzymes.
Topics: Carboxy-Lyases; Catalysis; Crystallization; Pyridoxamine; Pyridoxine; Transaminases | 1990 |
FT-IR study of pyridoxamine 5' phosphate.
Topics: Hydrogen-Ion Concentration; Pyridoxamine; Spectroscopy, Fourier Transform Infrared | 2003 |
1 trial(s) available for pyridoxamine and pyridoxamine 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 |
143 other study(ies) available for pyridoxamine and pyridoxamine phosphate
| Article | Year |
|---|---|
31P nuclear-magnetic-resonance studies of pyridoxal and pyridoxamine phosphates. Interaction with cytoplasmic aspartate transaminase.
Topics: Animals; Apoproteins; Aspartate Aminotransferases; Binding Sites; Cytoplasm; Guanidines; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Myocardium; Organophosphorus Compounds; Phosphorus; Protein Binding; Protein Denaturation; Pyridoxal; Pyridoxamine; Swine | 1975 |
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 |
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 |
Mechanistic and stereochemical studies of a unique dehydration catalyzed by CDP-4-keto-6-deoxy-D-glucose-3-dehydrase: a pyridoxamine 5'-phosphate dependent enzyme isolated from Yersinia pseudotuberculosis.
Topics: Catalysis; Deoxy Sugars; Hydro-Lyases; Hydrolysis; Oxidation-Reduction; Oxidoreductases; Pyridoxamine; Stereoisomerism; Yersinia pseudotuberculosis | 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 |
Restoration of rat liver L-threonine deaminase by pyridoxamine 5'-phosphate.
Topics: Animals; Apoenzymes; Kinetics; Liver; Male; Pyridoxamine; Rats; Rats, Inbred Strains; Threonine Dehydratase | 1992 |
Activity and spectroscopic properties of the Escherichia coli glutamate 1-semialdehyde aminotransferase and the putative active site mutant K265R.
Topics: Amino Acid Sequence; Aminolevulinic Acid; Base Sequence; Binding Sites; Blotting, Southern; DNA, Bacterial; Escherichia coli; Intramolecular Transferases; Isomerases; Molecular Sequence Data; Mutagenesis, Site-Directed; Plasmids; Pyridoxamine; Sequence Alignment; Valerates | 1992 |
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 |
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 |
Determination of pyridoxamine 5'-phosphate in human blood plasma.
Topics: Animals; Apoenzymes; Aspartate Aminotransferases; Chromatography, Ion Exchange; Eating; Fasting; Humans; Indicators and Reagents; Kinetics; Male; Middle Aged; Myocardium; Pyridoxamine; Spectrophotometry, Ultraviolet; Swine | 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 |
Separation and partial characterization of enzymes catalyzing delta-aminolevulinic acid formation in Synechocystis sp. PCC 6803.
Topics: Aldehyde Oxidoreductases; Aminolevulinic Acid; Cyanobacteria; Cyclohexanecarboxylic Acids; Glutamate-tRNA Ligase; Hemin; Intramolecular Transferases; Isomerases; Molecular Weight; Protochlorophyllide; Pyridoxamine | 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 |
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 |
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 |
Reaction of pyridoxamine-5-P with pyrroloquinoline quinone (coenzyme PQQ).
Topics: Animals; Benzylamines; Cetrimonium Compounds; Kinetics; Kynurenine; Oxidoreductases Acting on CH-NH Group Donors; PQQ Cofactor; Pyridoxamine; Quinolones; Swine | 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 |
Activation of glutamate apodecarboxylase by succinic semialdehyde and pyridoxamine 5'-phosphate.
Topics: Apoenzymes; Apoproteins; Binding, Competitive; Enzyme Activation; gamma-Aminobutyric Acid; Glutamate Decarboxylase; Glutamates; Glutamic Acid; Glyoxylates; Ketoglutaric Acids; Kinetics; Oxaloacetates; Pyridoxamine; Pyruvates; Pyruvic Acid | 1986 |
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 |
Stereospecific labilization of the C-4' pro-S hydrogen of pyridoxamine 5'-phosphate in aspartate aminotransferase. Activators and inhibitors.
Topics: Animals; Aspartate Aminotransferases; Aspartic Acid; Binding Sites; Borohydrides; Chickens; Glutamates; Glutamic Acid; Kinetics; Mitochondria, Heart; Protein Conformation; Pyridoxamine; Stereoisomerism; Structure-Activity Relationship | 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 |
The stereospecific labilization of the C-4' pro-S hydrogen of pyridoxamine 5'-phosphate is abolished in (Lys258----Ala) aspartate aminotransferase.
Topics: Alanine; Aspartate Aminotransferases; Circular Dichroism; Escherichia coli; Lysine; Mutation; Pyridoxamine; X-Ray Diffraction | 1987 |
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 |
Mechanism of reactions catalyzed by selenocysteine beta-lyase.
Topics: Alanine; Animals; Binding Sites; Cysteine; In Vitro Techniques; Keto Acids; Liver; Lyases; Pyridoxamine; Selenium; Selenocysteine; Swine | 1985 |
Correlation of polarized absorption spectroscopic and X-ray diffraction studies of crystalline cytosolic aspartate aminotransferase of pig hearts.
Topics: Animals; Aspartate Aminotransferases; Cytosol; Dicarboxylic Acids; Models, Molecular; Myocardium; Pyridoxamine; Spectrophotometry; Swine; X-Ray Diffraction | 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 |
Stereochemistry and mechanism of a new single-turnover, half-transamination reaction catalyzed by the tryptophan synthase alpha 2 beta 2 complex.
Topics: Escherichia coli; Indoles; Kinetics; Macromolecular Substances; Protein Binding; Pyridoxamine; Spectrophotometry; Tritium; Tryptophan Synthase | 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 |
Stereospecific labilization of the C-4' pro-S hydrogen of pyridoxamine 5'-phosphate in aspartate aminotransferase.
Topics: Animals; Aspartate Aminotransferases; Chickens; HEPES; Hydrogen-Ion Concentration; Pyridoxamine; Stereoisomerism; Tritium | 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 |
Pyridoxamine-5'-phosphate oxidase exhibits no specificity in prochiral hydrogen abstraction from substrate.
Topics: Animals; Hydrogen; Liver; Models, Chemical; Oxidoreductases Acting on CH-NH Group Donors; Pyridoxamine; Pyridoxaminephosphate Oxidase; Rabbits; Stereoisomerism; Structure-Activity Relationship; Substrate Specificity | 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 |
Deoxygenated sickle hemoglobin. Modulation of its solubility by 2,3-diphosphoglycerate and other allosteric polyanions.
Topics: 2,3-Diphosphoglycerate; Adenosine Triphosphate; Anions; Benzene Derivatives; Carboxylic Acids; Diphosphoglyceric Acids; Hemoglobin A; Hemoglobin, Sickle; Humans; Hydrogen-Ion Concentration; Inositol; Oxygen; Phytic Acid; Pyridoxamine; Solubility | 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 |
Transaminations catalysed by brain glutamate decarboxylase.
Topics: Aminobenzoates; Animals; Brain; Chromatography, High Pressure Liquid; gamma-Aminobutyric Acid; Glutamate Decarboxylase; Hydrogen-Ion Concentration; Isoenzymes; Models, Chemical; Pyridoxamine; Spectrophotometry; Swine | 1985 |
Transfer of C alpha-hydrogen of glutamate to coenzyme of aspartate aminotransferase during transamination reaction.
Topics: Animals; Aspartate Aminotransferases; Chemical Phenomena; Chemistry; Coenzymes; Glutamates; Glutamic Acid; In Vitro Techniques; Kinetics; Mitochondria, Heart; Pyridoxamine; Tritium | 1984 |
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 |
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 |
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 |
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 |
Dimensions in solution of pyridoxylated apohemoglobin.
Topics: Apoproteins; Fluorescence Polarization; Hemoglobins; Humans; Kinetics; Mathematics; Protein Conformation; Pyridoxamine; Solubility; Spectrophotometry | 1983 |
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 |
Inhibition of coenzyme activation of aspartate aminotransferase.
Topics: Animals; Apoenzymes; Aspartate Aminotransferases; Chemical Phenomena; Chemistry; Coenzymes; Enzyme Activation; Kinetics; Myocardium; Nucleotides; Phosphates; Pyridoxamine; Substrate Specificity; Sulfates; Swine | 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 |
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 |
Enzyme-vitamin B6 interaction in catalysis and regulation: structure-function relationships in L-aspartate beta-decarboxylase.
Topics: Carboxy-Lyases; Clostridium; Enzyme Activation; Kinetics; L-Lactate Dehydrogenase; Malate Dehydrogenase; Molecular Weight; Organophosphorus Compounds; Protein Binding; Pyridoxamine; Pyridoxine | 1980 |
Alpha-bungarotoxin binding in house fly heads and Torpedo electroplax.
Topics: alpha7 Nicotinic Acetylcholine Receptor; Animals; Binding Sites; Binding, Competitive; Bungarotoxins; Electric Organ; Fishes; Houseflies; Kinetics; Organophosphorus Compounds; Pharmacology; Pyridoxamine; Receptors, Cholinergic; Receptors, Nicotinic; Species Specificity | 1981 |
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 |
Erythrocyte and plasma B-6 vitamer concentrations of long-term tobacco smokers, chewers, and nonusers.
Topics: Adult; Aging; Body Height; Body Weight; Chromatography, High Pressure Liquid; Eating; Erythrocytes; Hematocrit; Humans; Male; Middle Aged; Plants, Toxic; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Smoking; Time Factors; Tobacco, Smokeless | 1995 |
Accumulation of the quinonoid intermediate in the reaction catalyzed by aspartate aminotransferase with cysteine sulfinic acid.
Topics: Aspartate Aminotransferases; Cysteine; Escherichia coli; Half-Life; Hydrogen-Ion Concentration; Indicators and Reagents; Kinetics; Models, Biological; Neurotransmitter Agents; Pyridoxamine; Quinones; Spectrophotometry | 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 |
Substitution of apolar residues in the active site of aspartate aminotransferase by histidine. Effects on reaction and substrate specificity.
Topics: Animals; Aspartate Aminotransferases; Base Sequence; Catalysis; Chickens; Crystallography, X-Ray; Escherichia coli; Histidine; Kinetics; Molecular Sequence Data; Mutation; Oligodeoxyribonucleotides; Pyridoxamine; Substrate Specificity | 1995 |
X-ray crystallographic study of pyridoxamine 5'-phosphate-type aspartate aminotransferases from Escherichia coli in three forms.
Topics: Aspartate Aminotransferases; Binding Sites; Crystallography, X-Ray; Enzyme Inhibitors; Escherichia coli; Glutarates; Maleates; Protein Conformation; Pyridoxamine | 1994 |
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 |
Characterization of the different spectral forms of glutamate 1-semialdehyde aminotransferase by mass spectrometry.
Topics: Amino Acid Sequence; Apoenzymes; Cloning, Molecular; Cyanobacteria; Cyclohexanecarboxylic Acids; Escherichia coli; Intramolecular Transferases; Isomerases; Mass Spectrometry; Models, Molecular; Molecular Sequence Data; Peptide Fragments; Protein Conformation; Pyridoxamine; Recombinant Proteins; Spectrophotometry | 1995 |
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 |
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 |
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 |
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 |
Crystal structures of human mitochondrial branched chain aminotransferase reaction intermediates: ketimine and pyridoxamine phosphate forms.
Topics: Alanine Transaminase; Binding Sites; Crystallization; Crystallography, X-Ray; Cysteine; D-Alanine Transaminase; Escherichia coli Proteins; Humans; Isoenzymes; Isoleucine; Lysine; Mitochondria; Models, Molecular; Oxo-Acid-Lyases; Protein Conformation; Protein Structure, Secondary; Pyridoxamine; Schiff Bases; Substrate Specificity; Transaminases; Valine | 2002 |
Structural studies of Salmonella typhimurium ArnB (PmrH) aminotransferase: a 4-amino-4-deoxy-L-arabinose lipopolysaccharide-modifying enzyme.
Topics: Amino Acid Sequence; Binding Sites; Catalysis; Crystallography, X-Ray; Cycloserine; Escherichia coli; Lipopolysaccharides; Mass Spectrometry; Models, Chemical; Models, Molecular; Molecular Sequence Data; Protein Folding; Protein Structure, Secondary; Pyridoxamine; Salmonella typhimurium; Sequence Homology, Amino Acid; Structure-Activity Relationship; Transaminases | 2002 |
Inhibition of diphenolase activity of tyrosinase by vitamin b(6) compounds.
Topics: Dose-Response Relationship, Drug; Monophenol Monooxygenase; Peptides; Pyridoxal; Pyridoxamine; Pyridoxine; Reactive Oxygen Species; 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 |
Pyridoxamine phosphate transaminase.
Topics: Coenzymes; Escherichia coli; Pyridoxamine; Transaminases | 1957 |
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 |
The enzymatic oxidation of pyridoxine and pyridoxamine phosphates.
Topics: Oxidation-Reduction; Oxidoreductases; Pyridoxamine; Pyridoxine; Vitamin B 6 | 1961 |
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 |
Identification of an unusual [2Fe-2S]-binding motif in the CDP-6-deoxy-D-glycero-l-threo-4-hexulose-3-dehydrase from Yersinia pseudotuberculosis: implication for C-3 deoxygenation in the biosynthesis of 3,6-dideoxyhexoses.
Topics: Amino Acid Motifs; Amino Acid Sequence; Catalysis; Cysteine; Enzyme Activation; Hexoses; Hydro-Lyases; Iron; Iron-Sulfur Proteins; Ligands; Molecular Sequence Data; Mutagenesis, Site-Directed; Oxidation-Reduction; Oxidoreductases; Protein Binding; Pyridoxamine; Sequence Alignment; Yersinia pseudotuberculosis | 2004 |
4-methylthio 2-oxobutanoate transaminase: a specific target for antiproliferative agents.
Topics: Animals; Antineoplastic Agents; Apoptosis; Asparagine; Cell Proliferation; D-Amino-Acid Oxidase; DNA Fragmentation; Fibroblasts; Glutamine; HeLa Cells; Humans; Liver; Methionine; Pyridoxal; Pyridoxamine; Rats; Transaminases | 2004 |
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 |
Isolation and characterization of bacteria capable of producing pyridoxamine (PM) and pyridoxamine 5'-phosphate (PMP), vitamin B6 compounds.
Topics: Bacteria; Phylogeny; Pyridoxamine; Vitamin B Complex | 2007 |
Insights into the mechanism of oxidative deamination catalyzed by DOPA decarboxylase.
Topics: Aerobiosis; Amino Acids; Anaerobiosis; Animals; Binding Sites; Catalysis; Cattle; Deamination; Dihydroxyphenylalanine; Dopa Decarboxylase; Horses; Mutant Proteins; Oxidation-Reduction; Oxygen; Oxygen Consumption; Pyridoxamine; Substrate Specificity; Swine; Time Factors | 2008 |
The vitamin B6 group; microbiological and natural occurrence of pyridoxamine phosphate.
Topics: Humans; Pyridoxamine; Vitamin B 6; Vitamin B Complex; Vitamins | 1947 |
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 |
Crystal structure of glutamate-1-semialdehyde aminotransferase from Bacillus subtilis with bound pyridoxamine-5'-phosphate.
Topics: Amino Acid Sequence; Bacillus subtilis; Crystallography, X-Ray; Intramolecular Transferases; Molecular Sequence Data; Protein Binding; Protein Conformation; Pyridoxamine; Substrate Specificity; Synechococcus | 2010 |
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 |
The intestine plays a substantial role in human vitamin B6 metabolism: a Caco-2 cell model.
Topics: Blotting, Western; Caco-2 Cells; Hep G2 Cells; Humans; In Vitro Techniques; Intestinal Mucosa; Pyridoxal; Pyridoxal Kinase; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Tandem Mass Spectrometry; Vitamin B 6 | 2013 |
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 |
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 |
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 |
Structural and mechanistic insights into the kynurenine aminotransferase-mediated excretion of kynurenic acid.
Topics: Amino Acid Sequence; Archaeal Proteins; Kynurenic Acid; Kynurenine; Molecular Sequence Data; Pyridoxamine; Pyrococcus horikoshii; Sequence Homology, Amino Acid; Transaminases | 2014 |
Pyridoxamine-5-phosphate enzyme-linked immune mass spectrometric assay substrate for linear absolute quantification of alkaline phosphatase to the yoctomole range applied to prostate specific antigen.
Topics: Alkaline Phosphatase; Calibration; Enzyme-Linked Immunosorbent Assay; Limit of Detection; Mass Spectrometry; Prostate-Specific Antigen; Pyridoxamine | 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 |
Identification of novel thermostable taurine-pyruvate transaminase from Geobacillus thermodenitrificans for chiral amine synthesis.
Topics: Amines; Bacterial Proteins; Catalytic Domain; Cloning, Molecular; Enzyme Stability; Escherichia coli; Gene Expression; Geobacillus; Hot Temperature; Kinetics; Molecular Docking Simulation; Pyridoxamine; Pyruvic Acid; Recombinant Proteins; Substrate Specificity; Taurine; Transaminases | 2016 |
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 |
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 |
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 |
Significantly Elevated Levels of Plasma Nicotinamide, Pyridoxal, and Pyridoxamine Phosphate Levels in Obese Emirati Population: A Cross-Sectional Study.
Topics: Adolescent; Adult; Biomarkers; Chromatography, Liquid; Cross-Sectional Studies; Female; Humans; Male; Mass Spectrometry; Middle Aged; Niacinamide; Obesity; Public Health Surveillance; Pyridoxal; Pyridoxamine; Sensitivity and Specificity; Young Adult | 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 |