nitrite reductase (NO-forming) EC#: 1.7.2.1; ChemWhat Code: 1374619
| Product Name | nitrite reductase (NO-forming) |
| Example Structure |  |
| Synonyms | AcNIR, AfNiR, AniA, AxNiR, C551-O2 oxidoreductase, cd1 nitrite reductase, cd1NiR, cNOR, copper-containing dissimilatory nitrite reductase, copper-containing nitrite reductase, Cu-NIR, Cu-NirK, CuNIR, cytochrome c-551:O2, NO2- oxidoreductase, cytochrome cd, cytochrome cd1 nitrite reductase, cytochrome oxidase, dissimilatory nitrite reductase, dissimilatory nitrite reductase cytochrome cd1, EC 1.9.3.2, GK0767, GtNiR, HdNIR, hemoglobin, HydNIR, mARC1, mARC2, mitochondrial amidoxime reducing component, NiR, NiR-Pa, NirK, NirS, nitrite reductase, oxidase, Pseudomonas cytochrome, PaNiR, PNR, Pseudomonas cytochrome oxidase, PsNiR, reductase, nitrite (cytochrome) |
| EC Number | 1.7.2.1 |
| CAS Registry Number | 37256-41-0 |
| Comments | The reaction is catalysed by two types of enzymes, generally found in the cytoplasm of denitrifying bacteria. One type comprises proteins containing multiple copper centres, the other a heme protein, cytochrome cd1. Acceptors include c-type cytochromes such as cytochrome c-552 or cytochrome c-553 from Pseudomonas denitrificans, and small blue copper proteins such as azurin and pseudoazurin. Cytochrome cd1 also has oxidase and hydroxylamine reductase activities. May also catalyse the reaction of hydroxylamine reductase (EC 1.7.99.1) since this is a well-known activity of cytochrome cd1. |
| Cofactor | FAD;Cu cation or Fe cation |
| History | |
| Reactions | Nitric oxide + H(2)O + ferricytochrome c = nitrite + ferrocytochrome c + 2 H(+). |
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