tetrahydrocolumbamine 2-O-methyltransferase activity
Catalysis of the reaction: (S)-tetrahydrocolumbamine + S-adenosyl-L-methionine(1+) = S-adenosyl-L-homocysteine + H+ + tetrahydropalmatine.
GO:0008757
S-adenosylmethionine-dependent methyltransferase activity
is_a
S-adenosyl-L-methionine:5,8,13,13a-tetrahydrocolumbamine 2-O-methyltransferase activity
related
tetrahydrocolumbamine methyltransferase activity
related