label: (RS)-1-benzyl-1,2,3,4-tetrahydroisoquinoline N-methyltransferase activity
label_lc: (rs)-1-benzyl-1,2,3,4-tetrahydroisoquinoline n-methyltransferase activity
description: "Catalysis of the reaction: 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."