Reaction catalyzed by nucleotide diphosphatase (3.6.1.9), dUTP diphosphatase (3.6.1.23), 8-oxo-dGTP diphosphatase (3.6.1.55), 2-hydroxy-dATP diphosphatase (3.6.1.56), (d)CTP diphosphatase (3.6.1.65)

		+		H2O	=			+
	dGTP	+		H2O	=		dGMP	+		diphosphate