What is "dihydrobenzophenanthridine oxidase"

n. (context biochemistry English) An enzyme that produces oxidized forms of benzophenanthridine alkaloids, such as sanguinarine from dihydrosanguinarine, chelirubine from dihydrochelirubine, and macarpine from dihydromacarpine.

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.