Reaction catalyzed by DNA-3'-diphospho-5'-guanosine diphosphatase (3.6.1.72)

	[DNA]-3\'-diphospho-5\'-inosine	+		H2O	=		[DNA]-3\'-phosphate	+
	[DNA]-3'-diphospho-5'-inosine	+		H2O	=		[DNA]-3'-phosphate	+		IMP