label: Co(I)-[methylamine-specific corrinoid protein] + methylamine + H(+) => methyl-Co(III)-[methylamine-specific corrinoid protein] + NH4(+)
label_lc: co(i)-[methylamine-specific corrinoid protein] + methylamine + h(+) => methyl-co(iii)-[methylamine-specific corrinoid protein] + nh4(+)