5-formimidoyltetrahydrofolate + 2 H(+) <=> (6R)-5,10-methenyltetrahydrofolate + NH4(+)
5-formimidoyltetrahydrofolate + 2 h(+) <=> (6r)-5,10-methenyltetrahydrofolate + nh4(+)
5-formimidoyltetrahydrofolate + 2 H(+) <=> (6R)-5,10-methenyltetrahydrofolate + NH4(+)
5-formimidoyltetrahydrofolate + 2 h(+) <=> (6r)-5,10-methenyltetrahydrofolate + nh4(+)