label: berbamunine synthase activity
label_lc: berbamunine synthase activity
description: "Catalysis of the reaction: (S)-N-methylcoclaurine + (R)-N-methylcoclaurine + [reduced NADPH--hemoprotein reductase] + O2 = berbamunine + [oxidized NADPH--hemoprotein reductase] + 2 H2O."