| hydrogensulfite reductase | <enzyme> Catalyses the reduction of sulfite mainly to trithionate with concomitant formation of thiosulfate and sulfide in the dissimilatory sulfate reduction pathway; see also trithionate reductase system Registry number: EC 1.8.99.3 Synonym: bisulfite reductase, dissimilatory sulfite reductase, desulfoviridin, desulforubidin, desulfofuscidin (26 Jun 1999) |
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| hydroxymethylglutaryl-CoA reductase inhibitors | Compounds that inhibit hmg-CoA reductases. They have been shown to directly lower cholesterol synthesis. (12 Dec 1998) |
| sodium-translocating NADH-quinone reductase | <enzyme> From vibrio alginolyticus; na+ dependent activation is located in the NADH-quinone reductase segment; reduces ubiquinone-1 to ubisemiquinones or ubiquinol; strongly inhibited by 2-n-heptyl-4-hydroxyquinoline n-oxide; do not confuse with sodium independent NADH-quinone reductase EC 1.6.99.2 Registry number: EC 1.6.5.- Synonym: nqr-1, na-translocating NADH-quinone reductase, nqr gene product (26 Jun 1999) |
| S-phenacylglutathione reductase | <enzyme> Toxic alpha-haloketones react nonenzymatically to form s-phenacylglutathione which is reduced to the corresponding non-toxic alkylketone Registry number: EC 1.8.4.- (26 Jun 1999) |
| NADH-cytochrome P-450 reductase | <enzyme> A component of the cytochrome p-450sca monoxygenase system Registry number: EC 1.6.2.- (26 Jun 1999) |
| NADH-dependent hydroxypyruvate reductase | <enzyme> Photorespiratory enzyme localised in leaf peroxisomes; from cucumber cotyledons Registry number: EC 1.1.1.- Synonym: ndh-reductase (26 Jun 1999) |
| NADH-hydroxylamine reductase | <enzyme> An enzyme catalyzing the reaction of hydroxylamine and NADH to form ammonia, NAD+, and water; used in a number of clinical assays. (05 Mar 2000) |
| NADH-methyl viologen reductase | <enzyme> Fad-protein from rhodospirillum rubrum which also reduces methylene blue and 2,6-dichlorophenol-indophenol Registry number: EC 1.6.- (26 Jun 1999) |
| NADH sennidin reductase | <enzyme> Reduces the dianthrones senniden or sennoside to rheinanthrone or 8-glucosylrheinanthrone respectively Registry number: EC 1.- Synonym: sennoside reductase (26 Jun 1999) |
| NADH tetrazolium reductase | <enzyme> Catalyses the reduction of tetrazolium compounds in the presence of NADH. Registry number: EC 1.6.- (12 Dec 1998) |
| NADP-dependent flavonol reductase | <enzyme> Isolated from maise Registry number: EC 1.1.1.- Synonym: a1 gene product (26 Jun 1999) |
| NADPH-cytochrome c2 reductase | <enzyme> An enzyme catalyzing the reduction of 2 ferricytochrome c2 to 2 ferrocytochrome c2 at the expense of NADPH. Synonym: cytochrome c2 reductase. (05 Mar 2000) |
| NADPH-ferrihemoprotein reductase | <enzyme> A flavoprotein that catalyses the reduction of haem-thiolate-dependent monooxygenases and is part of the microsomal hydroxylating system. Its physiological acceptor is probably cytochrome p-450. Chemical name: NADPH:ferrihemoprotein oxidoreductase Registry number: EC 1.6.2.4 (12 Dec 1998) |
| NADPH-tetrazolium reductase | <enzyme> Reported to possess activity identical with NADPH cytochrome c reductase EC 1.6.2.4 Registry number: EC 1.6.2.- Synonym: NADPH-neotetrazolium reductase, NADPH-nbt reductase (26 Jun 1999) |
| nanaomycin D reductase | <enzyme> Reduces lactone of nanomycin d to free acid (nanaomycin a) and nad+ Registry number: EC 1.- (26 Jun 1999) |