(S)-dihydroorotate + NADP(+) <=> orotate + NADPH + H(+)
(s)-dihydroorotate + nadp(+) <=> orotate + nadph + h(+)
(S)-dihydroorotate + NADP(+) <=> orotate + NADPH + H(+)
(s)-dihydroorotate + nadp(+) <=> orotate + nadph + h(+)