(S)-dihydroorotate + a ubiquinone => orotate + a ubiquinol
(s)-dihydroorotate + a ubiquinone => orotate + a ubiquinol
(S)-dihydroorotate + a ubiquinone => orotate + a ubiquinol
(s)-dihydroorotate + a ubiquinone => orotate + a ubiquinol