(S)-dihydroorotate + menaquinone-8 <=> orotate + menaquinol-8
(s)-dihydroorotate + menaquinone-8 <=> orotate + menaquinol-8
(S)-dihydroorotate + menaquinone-8 <=> orotate + menaquinol-8
(s)-dihydroorotate + menaquinone-8 <=> orotate + menaquinol-8