(S)-tetrahydroprotoberberine N-methyltransferase activity
Catalysis of the reaction: an (S)-7,8,13,14-tetrahydroprotoberberine + S-adenosyl-L-methionine = an (S)-cis-N-methyl-7,8,13,14-tetrahydroprotoberberine + S-adenosyl-L-homocysteine.
GO:0008757
S-adenosylmethionine-dependent methyltransferase activity
is_a
S-adenosyl-L-methionine:(S)-7,8,13,14-tetrahydroprotoberberine cis-N-methyltransferase activity
related
tetrahydroprotoberberine cis-N-methyltransferase activity
related