Term Name: columbamine oxidase activity
Synonyms: berberine synthase activity, columbamine:oxygen oxidoreductase (cyclizing)
Definition: Catalysis of the reaction: 2 columbamine + O2 = 2 berberine + 2 H2O.
Ontology: GO: Molecular Function [GO:0050455]    QuickGO    AmiGO

Relationships
is a type of: oxidoreductase activity, acting on X-H and Y-H to form an X-Y bond, with oxygen as acceptor