Reaction catalyzed by alpha-D-ribose 1-methylphosphonate 5-triphosphate diphosphatase (3.6.1.63)

		+		H2O	=			+
	alpha-D-ribose 1-methylphosphonate 5-triphosphate	+		H2O	=		alpha-D-ribose 1-methylphosphonate 5-phosphate	+		diphosphate