Dihydroprymidine dehydrogenase domain II, 4Fe-4S cluster
Domain II of the enzyme dihydroprymidine dehydrogenase binds FAD. Dihydroprymidine dehydrogenase catalyzes the first and rate-limiting step of pyrimidine degradation by converting pyrimidines to the corresponding 5,6- dihydro compounds. This domain carries two Fe4-S4 clusters.