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

	poly(ADP-D-ribose)n	+		H2O	=		poly(ADP-D-ribose)n-1	+
	poly(ADP-D-ribose)n	+		H2O	=		poly(ADP-D-ribose)n-1	+		ADP-ribose