Reaction catalyzed by Kexin (3.4.21.61)

		+		H2O	=			+
	benzyloxycarbonyl-Ala-Tyr-Lys-Lys 4-methylcoumarin 7-amide	+		H2O	=		7-amino-4-methylcoumarin	+		benzyloxycarbonyl-Ala-Tyr-Lys-Lys