GO:0004152

Dihydroorotate dehydrogenase
glutamate synthase; large subunit; archaeal subunit 2 (NCBI)
Dihydroorotate oxidase (NCBI)
Similar to bacterial imidazoleglycerol-phosphate synthase, cyclase subunit (NCBI)
Dihydroorotate dehydrogenase
dihydro-orotate oxidase, FMN-linked (RefSeq)