Reaction catalyzed by pyroglutamyl-peptidase II (3.4.19.6)

	L-pyroglutamyl-L-Tyr-L-Pro-NH2	+		H2O	=			+
	L-pyroglutamyl-L-Tyr-L-Pro-NH2	+		H2O	=		L-pyroglutamate	+		L-Tyr-L-Pro-NH2