label: methylenetetrahydromethanopterin dehydrogenase activity
label_lc: methylenetetrahydromethanopterin dehydrogenase activity
description: "Catalysis of the reaction: 5,10-methylenetetrahydromethanopterin + coenzyme F420 + 2 H+ = 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + reduced coenzyme F420."