pyruvate oxidase EC#: 1.2.3.3; ChemWhat Code: 1373876
| Product Name | pyruvate oxidase |
| Example Structure |  |
| Synonyms | acetyl phosphate-producing pyruvate oxidase, phosphate-dependent pyruvate oxidase, POX, POX-2, poxB, PoxF, PyOD, PyrOx, pyruvate oxidase, pyruvate:oxygen-2-oxidoreductase (phosphorylating), pyruvic oxidase, SpxB, SpxB protein |
| EC Number | 1.2.3.3 |
| CAS Registry Number | 9001-96-1 |
| Comments | A flavoprotein (FAD) requiring thiamine diphosphate. Two reducing equivalents are transferred from the resonant carbanion/enamine forms of 2-hydroxyethyl-thiamine-diphosphate to the adjacent flavin cofactor, yielding 2-acetyl-thiamine diphosphate (AcThDP) and reduced flavin. FADH2 is reoxidized by O2 to yield H2O2 and FAD and AcThDP is cleaved phosphorolytically to acetyl phosphate and thiamine diphosphate [2]. |
| Cofactor | FAD;thiamine diphosphate |
| History | |
| Reactions | Pyruvate + phosphate + O(2) = acetyl phosphate + CO(2) + H(2)O(2). |
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