(6R)-5,10-methenyltetrahydrofolate + H2O <=> (6R)-10-formyltetrahydrofolate + H(+)
(6r)-5,10-methenyltetrahydrofolate + h2o <=> (6r)-10-formyltetrahydrofolate + h(+)
(6R)-5,10-methenyltetrahydrofolate + H2O <=> (6R)-10-formyltetrahydrofolate + H(+)
(6r)-5,10-methenyltetrahydrofolate + h2o <=> (6r)-10-formyltetrahydrofolate + h(+)