Reaction catalyzed by proteasome endopeptidase complex (3.4.25.1)

		+		H2O	=			+
	acetyl-Arg-hSer-Thr-Arg-7-amido-4-methylcoumarin	+		H2O	=		acetyl-Arg-hSer-Thr-Arg	+		7-amino-4-methylcoumarin