Term Name:	methenyltetrahydrofolate cyclohydrolase activity
Synonyms:	5,10-methenyl-THF cyclohydrolase activity, 5,10-methenyltetrahydrofolate 5-hydrolase (decyclizing), citrovorum factor cyclodehydrase activity, formyl-methenyl-methylenetetrahydrofolate synthetase (combined)
Definition:	Catalysis of the reaction: 5,10-methenyltetrahydrofolate + H2O = 10-formyltetrahydrofolate.
Ontology:	GO: Molecular Function [GO:0004477]    QuickGO    AmiGO