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EC 1.3.1.15 Details
EC number
1.3.1.15
Accepted name
dihydroorotate dehydrogenase (NADP+)
Reaction
(S)-dihydroorotate + NADP+ = orotate + NADPH + H+
Other name(s)
orotate reductase,
dihydro-orotic dehydrogenase,
L-5,6-dihydro-orotate:NAD+ oxidoreductase,
orotate reductase (NADPH)
Systematic name
(S)-dihydroorotate:NADP+ oxidoreductase
CAS registry number
37255-27-9
Comment
Binds FMN and FAD [2]. Other class 1 dihydroorotate dehydrogenases use either fumarate (EC 1.3.98.1) or NAD+ (EC 1.3.1.14) as electron acceptor. The membrane bound class 2 dihydroorotate dehydrogenase (EC 1.3.5.2) uses quinone as electron acceptor .
History
created 1972, modified 2011
EC Tree
1.3.1.23 created 1972, deleted 2005
1.3.1.50 created 1992, deleted 1999
1.3.1.55 created 1999, deleted 2004