The Enzyme Database

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Accepted name: dihydrobenzophenanthridine oxidase
Reaction: (1) dihydrosanguinarine + O2 = sanguinarine + H2O2
(2) dihydrochelirubine + O2 = chelirubine + H2O2
(3) dihydromacarpine + O2 = macarpine + H2O2
For diagram of chelirubine, macarpine and sanguinarine biosynthesis, 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
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. [PMID: 24241413]
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. [DOI] [PMID: 1444440]
[EC created 1999]

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