Reaction catalyzed by poly(ADP-ribose) glycohydrolase (3.2.1.143)

	poly(ADP-ribose)n-poly(ADP-ribose) polymerase	+		H2O	=			+		poly(ADP-ribose) polymerase
	poly(ADP-ribose)n-poly(ADP-ribose) polymerase	+		H2O	=		ADP-ribose	+		poly(ADP-ribose) polymerase