Reaction: S-adenosyl-L-methionine + (S)-scoulerine = S-adenosyl-L-homocysteine + (S)-tetrahydrocolumbamine
For diagram click here.
Systematic name: S-adenosyl-L-methionine:(S)-scoulerine 9-O-methyltransferase
Comments: the product of this reaction is a precursor for protoberberine alkaloids in plants
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 96380-65-3
1. Muemmler, S., Rueffer, M., Nagakura, N., Zenk, M.H. S-Adenosyl-L-methionine:(S)-scoulerine 9-O-methyltransferase, a highly stereo- and regiospecific enzyme in tetrahydroberberine biosynthesis. Plant Cell Reports 4 (1985) 36-39.