| 3 (or 17)-beta-hydroxysteroid dehydrogenase | <enzyme> Acts on both 3 beta or 17 beta hydroxysteroids; 17 beta type 1 is probably estradiol dehydrogenases; for 3 or 17 alpha-hydroxysteroids see EC 1.1.1.209; was mapped to testosterone dehydrongenases (85-93) (see under 17-hydroxysteroid dehydrogenases (85-90); on-line search 17-hydroxysteroid dehydrogenases (85-93), index medicus search testosterone dehydrogenases (91-93), 17-hydroxysteroid dehydrogenases (85-90) Registry number: EC 1.1.1.51 Synonym: 3 beta,17 beta-hydroxysteroid dehydrogenase, 3,17-beta-hsdase, 17beta-hydroxysteroid dehydrogenase, 17beta hsd1 (26 Jun 1999) |
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| 3-oxo-5 beta-steroid delta 4-dehydrogenase | <enzyme> Do not confuse with EC 1.3.1.23 (cholestenone 5 beta-reductase) which is also steroid 5 beta-reductase in chemline; do not use for enzyme using NADP-see EC 1.3.1.23 and EC 1.3.1.3 Chemical name: 3-oxo-5 beta-steroid delta(4)dehydrogenase Registry number: EC 1.3.99.6 Synonym: steroid 5 beta-reductase, testosterone 5 beta-reductase, 4-ene-5 beta-reductase, delta(4)-3-ketosteroid-5 beta-(acceptor)-reductase, testosterone 5beta-reductase, delta(4)-5beta-reductase, cytosolic 4-ene-reductase (26 Jun 1999) |
| 3-oxosteroid delta(1) dehydrogenase | <enzyme> Cytochrome c used in assay Registry number: EC 1.3.99.4 Synonym: 4-ene-3-oxosteroid (acceptor)-1-ene-oxidoreductase, steroid 1,2-dehydrogenase, 4-en-3-oxosteroid-(acceptor)-1-en oxidoreductase, steroid-1-dehydrogenase, 3-ketosteroid delta(1) dehydrogenase (26 Jun 1999) |
| 4-hydroxybenzaldehyde dehydrogenase | <enzyme> Catalyses p-hydroxybenzaldehyde to p-hydroxybenzoate in the presence of nadp+; used in catabolic pathway in pseudomonas mendocina kr1 Registry number: EC 1.2.1.- Synonym: pba-dehydrogenase (26 Jun 1999) |
| 4-nitrobenzaldehyde dehydrogenase | <enzyme> Uses nad+ as acceptor yielding 4-nitrobenzoate Registry number: EC 1.2.1.- Synonym: 4-nad dehydrogenase (26 Jun 1999) |
| 4-nitrobenzylalcohol dehydrogenase | <enzyme> Uses dichlorophenolindophenol and phenazine methosulfate as receptors; yields 4-nitrobenzaldehyde Registry number: EC 1.1.99.- Synonym: 4-nba dehydrogenase (26 Jun 1999) |
| 4-oxo-5-hydroxyvalerate dehydrogenase | <enzyme> Uses nad or nadp; involved in transamination route of porphyrin biosynthesis Registry number: EC 1.1.1.- Synonym: 4-ox-5-hy dehydrogenase (26 Jun 1999) |
| 4-pyridoxic acid dehydrogenase | <enzyme> From membrane of pseudomonas ma-1; forms 2-methyl-3-hydroxy-5-formylpyridine-4-carboxylic acid; 2,6-dichloroindophenol, phenazine methosulfate and menadione are electron acceptors, while nad, fad and o2 are inactive Registry number: EC 1.1.99.- (26 Jun 1999) |
| 4-sulfobenzaldehyde dehydrogenase | <enzyme> Catalyze the formation of 4-sulfobenzoate from 4-sulfobenzaldehyde; amino acid sequence given in first source Registry number: EC 1.2.1.- Synonym: p-sulfobenzaldehyde dehydrogenase, tsad protein, tsad gene product (26 Jun 1999) |
| 4-sulfobenzyl alcohol dehydrogenase | <enzyme> Catalyses the formation of 4-sulfobenzaldehyde from 4-sulfobenzyl alcohol; amino acid sequence given in first source Registry number: EC 1.1.1.- Synonym: p-sulfobenzyl alcohol dehydrogenase, tsac protein, tsac gene product (26 Jun 1999) |
| 5 alpha-3 alpha-hydroxysteroid dehydrogenase | <enzyme> Androsterone can be substrate Registry number: EC 1.1.1.50 Synonym: 3 alpha-hydroxysteroid dehydrogenase, 3 alpha-hydroxysteroid oxidoreductase, 3 oc-hydroxysteroid dehydrogenase (26 Jun 1999) |
| 5alpha-androstane-3alpha-hydroxysteroid dehydrogenase | <enzyme> Converts dihydrotestosterone to 5alpha-androstan-3-alpha-17beta-diol Registry number: EC 1.1.1.- Synonym: 5alpha-ane-3alpha-hsdase (26 Jun 1999) |
| 5alpha-androstane-3beta-hydroxysteroid dehydrogenase | <enzyme> Converts dihydrotestosterone to 5alpha-androstan-3,17-beta-diol Registry number: EC 1.1.1.- Synonym: 5alpha-ane-3beta-hsdase (26 Jun 1999) |
| 5-formyl-3-hydroxy-2-methylpyridine-4-carboxylic acid dehydrogenase | <enzyme> Nad+ dependent; from pseudomonas ma-1 grown on pyridoxine; involved in vitamin b6 degradation Registry number: EC 1.1.1.- Synonym: fhmpc dehydrogenase (26 Jun 1999) |
| 5-hydroxyeicosanoid dehydrogenase | <enzyme> Nadp-dependent enzyme that catalyses conversion of 5-hete to 5-oxo-6,8,11,14-eicosatetraenoic acid (5-oxo-ete) Registry number: EC 1.1.1.- (26 Jun 1999) |