Dihydrobenzophenanthridine oxidase

Dihydrobenzophenanthridine oxidase (DHBP oxidase) is an enzyme. In the IUBMB Enzyme Nomenclature, Dihydrobenzophenanthridine oxidase is. Dihydrobenzophenanthridine oxidase/EC 1.5.3.12 produces oxidized forms of benzophenanthridine alkaloids:
 * In Sanguinaria Canadensis EC 1.5.3.12 produces sanguinarine from dihydrosanguinarine, and chelirubine from dihydrochelirubine.
 * In California poppy, EC 1.5.3.12 produces macarpine from dihydromacarpine.