Dihydroorotate Oxidase

**Definition:** An enzyme that in the course of pyrimidine biosynthesis, catalyzes the oxidation of dihydro-orotic acid to orotic acid utilizing oxygen as the electron acceptor. This enzyme is a flavoprotein which contains both FLAVIN-ADENINE DINUCLEOTIDE and FLAVIN MONONUCLEOTIDE as well as iron-sulfur centers. EC 1.3.3.1.

**Tree numbers:** - D08.811.682.660.300

**Synonyms:** - Dihydro-Orotate Oxidase