(1) ubiquinone@mitochondrial inner membrane+dihydroorotate@mitochondrial intermembrane space - DHODH:FMN@mitochondrial inner membrane -> ubiquinol@mitochondrial inner membrane+orotate@mitochondrial intermembrane space
(2) dihydroorotate -t-> dihydroorotate@mitochondrial intermembrane space
CHEBI 17025 KEGGCOMPOUND C00337 CAS 5988-19-2