label: 5,10-methylenetetrahydromethanopterin + NADP(+) = 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + NADPH
label_lc: 5,10-methylenetetrahydromethanopterin + nadp(+) = 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + nadph