label: N-formylmethanofuran + 5,6,7,8-tetrahydromethanopterin + H(+) <=> N(5)-formyl-5,6,7,8-tetrahydromethanopterin + methanofuran
label_lc: n-formylmethanofuran + 5,6,7,8-tetrahydromethanopterin + h(+) <=> n(5)-formyl-5,6,7,8-tetrahydromethanopterin + methanofuran