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

		+			=			+
	S-adenosyl-L-methionine	+		(RS)-1-benzyl-1,2,3,4-tetrahydroisoquinoline	=		S-adenosyl-L-homocysteine	+		N-methyl-(RS)-1-benzyl-1,2,3,4-tetrahydroisoquinoline