label: [methionine synthase] reductase (NADPH) activity
label_lc: [methionine synthase] reductase (nadph) activity
description: "Catalysis of the reaction: [methionine synthase]-cob(II)alamin + NADPH + H+ + S-adenosyl methionine = [methionine synthase]-methylcob(I)alamin + S-adenosylhomocysteine + NADP+."