Reaction: (1) dihydrosanguinarine + O2 = sanguinarine + H2O2;
(2) dihydrochelirubine + O2 = chelirubine + H2O2;
(3) dihydromacarpine + O2 = macarpine + H2O2
For diagram click here.
Systematic name: dihydrobenzophenanthridine:oxygen oxidoreductase
Comments: a CuII enzyme found in higher plants that produces oxidized forms of the benzophenanthridine alkaloids
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 114051-83-1
References:
1. Schumacher, H.-M. and Zenk, M.H. Partial purification and characterization of dihydrobenzophenanthridine oxidase from Eschscholtzia tenuifolia cell suspension cultures. Plant Cell Reports 7 (1988) 43-46.
2. Arakawa, H., Clark, W.G., Psenak. M. and Coscia, C.J. Purification and characterization of dihydrobenzophenanthridine oxidase from elicited Sanguinaria canadensis cell cultures. Arch. Biochem. Biophys. 299 (1992) 1-7. [PMID: 1444440]