Term Name:	methenyltetrahydromethanopterin cyclohydrolase activity
Synonyms:	5,10-methenyltetrahydromethanopterin 10-hydrolase (decyclizing), 5,10-methenyltetrahydromethanopterin cyclohydrolase activity, methenyl-H(4)MPT cyclohydrolase activity, methenyl-H4MPT cyclohydrolase activity, N5,N10-methenyltetrahydromethanopterin cyclohydrolase activity
Definition:	Catalysis of the reaction: 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H2O = N(5)-formyl-5,6,7,8-tetrahydromethanopterin + H+.
Ontology:	GO: Molecular Function [GO:0018759]    QuickGO    AmiGO