Reaction catalyzed by leucyl aminopeptidase (3.4.11.1), aminopeptidase B (3.4.11.6), bacterial leucyl aminopeptidase (3.4.11.10)

		+		H2O	=			+
	L-Ile-7-amido-4-methylcoumarin	+		H2O	=		L-Ile	+		7-amino-4-methylcoumarin