| imp dehydrogenase | <enzyme> An enzyme that catalyses the dehydrogenation of inosine 5'-phosphate to xanthosine 5'-phosphate in the presence of NAD.05. Chemical name: IMP:NAD+ oxidoreductase Registry number: EC 1.1.1.205 (12 Dec 1998) |
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| indole-3-acetaldehyde dehydrogenase | <enzyme> Catalyses nad-dependent conversion of indole-3-acetaldehyde to indole-3-acetic acid; isolated from ustilago maydis; genbank u74468 Registry number: EC 1.2.1.- Synonym: iad1 gene product (26 Jun 1999) |
| quinoline dehydrogenase | <enzyme> Forms 2-hydroxyquinoline; molybdenum-containing enzyme; oxygen atom is derived water Registry number: EC 1.5.1.- (26 Jun 1999) |
| isocitrate dehydrogenase | <enzyme> An enzyme of the oxidoreductase class that catalyses the conversion of isocitrate and NAD+ to yield 2-ketoglutarate, carbon dioxide, and NADH. It occurs in cell mitochondria. The enzyme requires magnesium, mn2+; it is activated by ADP, citrate, and calcium, and inhibited by NADH, NADPH, and ATP. The reaction is the key rate-limiting step of the citric acid (tricarboxylic) cycle. (the NADP+ enzyme is EC 1.1.1.42.) Chemical name: Isocitrate:NAD+ oxidoreductase (decarboxylating) Registry number: EC 1.1.1.41 (12 Dec 1998) |
| isocitric acid dehydrogenase | <enzyme> An enzyme of the oxidoreductase class that catalyses the conversion of isocitrate and NAD+ to yield 2-ketoglutarate, carbon dioxide, and NADH. It occurs in cell mitochondria. The enzyme requires magnesium, mn2+; it is activated by ADP, citrate, and calcium, and inhibited by NADH, NADPH, and ATP. The reaction is the key rate-limiting step of the citric acid (tricarboxylic) cycle. (the NADP+ enzyme is EC 1.1.1.42.) Chemical name: Isocitrate:NAD+ oxidoreductase (decarboxylating) Registry number: EC 1.1.1.41 (12 Dec 1998) |
| isoepoxydon dehydrogenase | <enzyme> Interconversion between phyllostine (2-hydroxymethyl-5,6-epoxy-1,4-benzoquinone) and isoepoxydon (4-hydroxy-5,6-epoxycyclohex-2-en-1-one Registry number: EC 1.- (26 Jun 1999) |
| isopiperitenol dehydrogenase | <enzyme> From peppermint; nad-dependent; forms isopiperitenone Registry number: EC 1.1.1.- (26 Jun 1999) |
| isopyridoxal dehydrogenase | <enzyme> Nad+ dependent; from arthrobacter cr-7 grown on pyridoxine; involved in vitamin b6 degradation Registry number: EC 1.1.1.- (26 Jun 1999) |
| oligosaccharide dehydrogenase | <enzyme> Commercial preparation from staphylococcus which catalyses oxidation of reducing sugars such as glucose, galactose, fructose, mannose, maltose, lactose, maltotriose, maltotetraose, maltopentaose and maltohexaose Registry number: EC 1.1.- (26 Jun 1999) |
| omega-hydroxyleukotriene E4 dehydrogenase | <enzyme> Liver microsome enzyme converts omega-hydroxyleukotriene e4 to 20-carboxyleukotriene e4 Registry number: EC 1.1.1.- Synonym: omega-hydroxy-lte4 dehydrogenase, 20-hydroxyleukotriene e4 dehydrogenase (26 Jun 1999) |
| taurine dehydrogenase | <enzyme> Catalyses the dehydrogenation of taurine with the formation of sulfoacetaldehyde, ammonia and a reduced receptor; nature of receptor is not known Registry number: EC 1.4.99.2 Synonym: taurine(acceptor) oxidoreductase (deaminating) (26 Jun 1999) |
| tauropine dehydrogenase | <enzyme> Converts NADH + h+ +pyruvate + taurine to nad + tauropine (n-(d-1-carboxyethyl)taurine) Registry number: EC 1.5.1.- Synonym: tauropine-nad oxidoreductase, rhodoic acid dehydrogenase (26 Jun 1999) |
| testosterone 17 beta-dehydrogenase | <enzyme> Catalyses reversibly the oxidation of testosterone to 4-androstene-3,17-dione in the presence of nad; was mapped to testosterone dehydrogenases (81-93) (see under 17-hydroxysteroid dehydrogenases (81-90); on-line search 17-hydroxysteroid dehydrogenases (81-93), index medicus see testosterone dehydrogenases (91-93) and 17-hydroxysteroid dehydrogenases (81-90) Registry number: EC 1.1.1.63 Synonym: 17 beta-hydroxysteroid-nad+ 17-oxidoreductase (26 Jun 1999) |
| tetracycline 5a(11a)dehydrogenase | <enzyme> Catalyses the oxidation of 7-chloro-5a(11a)-dehydrotetracycline to 7-chlorotetracycline; uses nadp Registry number: EC 1.3.1.- (26 Jun 1999) |
| tetrahydrofolate dehydrogenase | <enzyme> An enzyme of the oxidoreductase class that catalyses the reaction 7,8-dihyrofolate and NADPH to yield 5,6,7,8-tetrahydrofolate and NADPH+, producing reduced folate for amino acid metabolism, purine ring synthesis, and the formation of deoxythymidine monophosphate. Methotrexate and other folic acid antagonists used as chemotherapeutic drugs act by inhibiting this enzyme. Chemical name: 5,6,7,8-Tetrahydrofolate:NADP+ oxidoreductase Registry number: EC 1.5.1.3 (12 Dec 1998) |