Reaction catalyzed by (RS)-1-benzyl-1,2,3,4-tetrahydroisoquinoline N-methyltransferase (2.1.1.115)

		+			=			+
	S-Adenosylmethionine	+		(S)-norreticuline	=		S-Adenosylhomocysteine	+		(S)-scoulerine