Reaction catalyzed by calpain-1 (3.4.22.52)

		+		H2O	=			+
	succinyl-L-Leu-L-Leu-L-Val-7-amido-4-methylcoumarin	+		H2O	=		succinyl-L-Leu-L-Leu-L-Val	+		7-amino-4-methylcoumarin