Reaction catalyzed by folate gamma-glutamyl hydrolase (3.4.19.9)

		+	(n-1)	H2O	=			+	(n-1)
	tetrahydropteroyl-(gamma-glutamyl)n	+		(n-1) H2O	=		5,6,7,8-tetrahydrofolate	+		(n-1) L-glutamate