ID 1.5.3.12 DE dihydrobenzophenanthridine oxidase. CA (1) dihydrosanguinarine + O2 + H(+) = sanguinarine + H2O2. CA (2) dihydrochelirubine + O2 + H(+) = chelirubine + H2O2. CA (3) dihydromacarpine + O2 + H(+) = macarpine + H2O2. CC -!- Found in higher plants. CC -!- Produces oxidized forms of the benzophenanthridine alkaloids. //