Reaction catalyzed by cathepsin S (3.4.22.27)

		+		H2O	=			+
	benzyloxycarbonyl-Leu-Leu-Arg-7-amido-4-methylcoumarin	+		H2O	=		benzyloxycarbonyl-Leu-Leu-Arg	+		7-amino-4-methylcoumarin