1.5.98.2 5,10-methylene-H4MPT reductase, coenzyme F420-dependent N5,N10-methenyltetrahydromethanopterin reductase, H(2)-dependent methylene-H(4)MPT dehydrogenase, H(2)-forming N(5),N(10)-methylenetetrahydromethanopterin dehydrogenase, H2-dependent methylenetetrahydromethanopterin dehydrogenase, Mer, N5,N10-methylenetetrahydromethanopterin reductase, N5,N10-methylenetetrahydromethanopterin reductase (coenzyme F420-dependent), N5,N10-methylenetetrahydromethanopterin:coenzyme-F420 oxidoreductase - 1.5.98.2 EC 1.5.99.11 formerly 1.5.98.2 Hmd Hmd and Mtd constitute an alternate pathway for the reduction of F420 with H2 (Hmd-Mtd cycle) 1.5.98.2 MK0524, MTBMA_c03270 locus name