| PYCR | pyrroline-5-carboxylate reductase |
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| P5C | 1-Pyrroline-5-carboxylate |
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| SDR | Short-chain dehydrogenases/reductases |
| DEPMPO | 5-(diethoxyphosphoryl)-5-methyl-1-pyrroline N-oxide |
| ACC | 1-Aminocyclopropane-1-carboxylate |
| OTC | L-2-oxo-4-thiazolidine carboxylate |
| pyrroline carboxylate reductases | <enzyme> A group of enzymes that catalyze the reduction of 1-pyrroline carboxylate to proline in the presence of NAD(p)h. Includes both the 2-oxidoreductase (ec 1.5.1.1) and the 5-oxidoreductase (ec 1.5.1.2). The former also reduces 1-piperidine-2-carboxylate to pipecolate and the latter also reduces 1-pyrroline-3-hydroxy-5-carboxylate to hydroxyproline. Registry number: EC 1.5.1.- (12 Dec 1998) |
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| pyrroline-2-carboxylate reductase | An oxidoreductase reducing 1-pyrroline-2-carboxylate to l-proline with NAD(P)H. Synonym: proline dehydrogenase, proline oxidase. (05 Mar 2000) |
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| pyrroline-5-carboxylate reductase | An oxidoreductase reversibly reducing 1-pyrroline-5-carboxylate to l-proline with NAD(P)H; a deficiency of this enzyme is associated with type I hyperprolinaemia. Synonym: proline dehydrogenase, proline oxidase. (05 Mar 2000) |
| 1-pyrroline-5-carboxylate dehydrogenase | <enzyme> Catalyses the oxidation of 1-pyrroline-5-carboxylate to l-glutamate in the presence of nad; see also record for glutamate-saemialdehyde dehydrogenase which converts 5-glutamyl phosphate to glutamate 5-saemialdehyde and phosphate in the presence of NADPH Registry number: EC 1.5.1.12 Synonym: delta(1)-pyrroline-5-carboxylate dehydrogenase, glutamic-gamma-saemialdehyde dehydrogenase, nadp+ specific 8-glutamate saemialdehyde dehydrogenase, ggs dehydrogenase, delta-1-pyrroline-5-carboxylate synthetase, p5cs enzyme, glutamyl-gamma-saemialdehyde dehydrogenase (26 Jun 1999) |
| pyrroline | <chemistry> A nitrogenous base, C4H7N, obtained as a colourless liquid by the reduction of pyrrol. Source: Websters Dictionary (01 Mar 1998) |
| ribonucleotide reductases | <enzyme> Registry number: EC 1.17.4 (12 Dec 1998) |
| cytochrome reductases | <enzyme> Registry number: EC 1.6.2. (12 Dec 1998) |
| hydroxymethylglutaryl CoA reductases | <enzyme> In the biosynthesis of cholesterol, these enzymes catalyze the reduction of one of the carboxyl groups of beta-hydroxy, beta-methylglutaryl CoA to yield mevalonic acid.4 requires NADP, EC 1.1.1.88 requires NAD. Chemical name: (S)-Mevalonate:NAD+ oxidoreductase (CoA-acylating) Registry number: EC 1.1.1.88 (12 Dec 1998) |
| nitrate reductases | <enzyme> Registry number: EC 1.- (12 Dec 1998) |
| nitrite reductases | <enzyme> A group of enzymes that oxidise diverse nitrogenous substances to yield nitrite. Registry number: EC 1. (12 Dec 1998) |
| sulfite reductases | <enzyme> Hydrogen sulfide:(acceptor) oxidoreductases. Enzymes which reversibly catalyze the oxidation of hydrogen sulfide in the presence of various acceptors to sulfite and a reduced acceptor. Utilises NADP+ as the acceptor. Utilises oxidised ferredoxin as acceptor and EC 1.8.99.1 will utilise a variety of acceptors. Registry number: EC 1.8.- (12 Dec 1998) |
| quinone reductases | <enzyme> NAD(p)h:(quinone acceptor) oxidoreductases. A family that includes three enzymes which are distinguished by their sensitivity to various inhibitors. (NAD(p)h dehydrogenase (quinone)) is a flavoprotein which reduces various quinones in the presence of NADH or NADPH and is inhibited by dicoumarol. (NADH dehydrogenase (quinone)) requires NADH, is inhibited by AMP and 2,4-dinitrophenol but not by dicoumarol or folic acid derivatives. (NADPH dehydrogenase (quinone)) requires NADPH and is inhibited by dicoumarol and folic acid derivatives but not by 2,4-dinitrophenol. Registry number: EC 1.6.99. (12 Dec 1998) |
| carboxylate reductase | <enzyme> From pyrococcus furiosus; acts on glyceraldehyde to yield glycerate in a unique, partially nonphosphorylated, glycolytic pathway that generates acetyl-CoA from glucose without the participation of nicotinamide nucleotides Registry number: EC 1.2.99.6 Synonym: glyceraldehyde ferredoxin oxidoreductase, tungsten-iron-sulfur protein, red tungsten protein (26 Jun 1999) |
| pyrrole-2-carboxylate monooxygenase | <enzyme> Consists of 18.7- and 54-kD subunits; the 18.7-kD subunit is an NADH-oxidase; the 54-kD subunit requires NADH and fad; isolated from rhodococcus Registry number: EC 1.14.13.- Synonym: pyrrole-2-cooh monooxygenase (26 Jun 1999) |
| pyrrolidine-2-carboxylate | <amino acid> One of the 20 amino acids directly coded for in proteins. Structure differs from all the others, in that its side chain is bonded to the nitrogen of the _ amino group, as well as the _ carbon. This makes the amino group a secondary amine and so proline is described as an imino acid. Has strong influence on secondary structure of proteins and is much more abundant in collagens than in other proteins, occurring especially in the sequence glycine proline hydroxyproline. A proline rich region seems to characterise the binding site of SH3 domains. (18 Nov 1997) |
| pyrrolidone-5-carboxylate | A keto derivative of proline that is formed nonenzymatically from glutamate, glutamine, and gamma-glutamylated peptides; it is also produced by the action of gamma-glutamylcyclotransferase; elevated levels of 5-oxoproline are often associated with problems of glutamine or glutathione metabolism. Synonym: 5-pyrrolidone-2-carboxylic acid, pyroglutamic acid, pyrrolidone-5-carboxylate. (05 Mar 2000) |
Synonyms : Carboxylate Reductases, Pyrroline, Reductases, Pyrroline Carboxylate
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