Reaction catalyzed by cathepsin B (3.4.22.1)

		+		H2O	=			+
	benzoyl-L-4-piperidinyl-Ala-L-Arg-4-methylcoumarin-7-amide	+		H2O	=		benzoyl-L-4-piperidinyl-Ala-L-Arg	+		7-amino-4-methylcoumarin