| dihydroorotate dehydrogenase | <enzyme> Converts (s)-dihydroorotate and an aceptor to orotate and a reducted aceptor; dihydro-orotate dehydrogenase was see dihydro-orotate oxidase 1977-93 Registry number: EC 1.3.99.11 Synonym: dihydro-orotate-cytochrome c reductase, dihydro-orotate dehydrogenase (26 Jun 1999) |
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| dihydroorotate hydroxylase | <enzyme> A pteridine-requiring enzyme Registry number: EC 1.14.16.- (26 Jun 1999) |
| dihydroorotate oxidase | <enzyme> An enzyme that in the course of pyrimidine biosynthesis, catalyses the oxidation of dihydro-orotic acid to orotic acid utilizing oxygen as the electron acceptor. This enzyme is a flavoprotein which contains both fad and fmn as well as iron-sulfur centres. Chemical name: (S)-Dihydroorotate:oxygen oxidoreductase Registry number: EC 1.3.3.1 (12 Dec 1998) |
| dihydroorotate-ubiquinone oxidoreductase | <enzyme> From bovine liver mitochondria; uses ubiquinone Registry number: EC 1.3.5- Synonym: dihydroorotate dehydrogenase (ubiquinone), dhoo-dehydrogenase-u (26 Jun 1999) |