Reaction catalyzed by aminopeptidase Ey (3.4.11.20)

		+		H2O	=			+
	(S)-2-amino-4-cyclohexylbutanoyl-7-amido-4-methylcoumarin	+		H2O	=		(S)-2-amino-4-cyclohexylbutanoic acid	+		7-amino-4-methylcoumarin