Reaction catalyzed by inositol-phosphate phosphatase (3.1.3.25)

		+		H2O	=			+
	D-myo-inositol 1,2,3,4,5,6-hexakisphosphate	+		H2O	=		D-myo-inositol 1,2,3,4,5-pentakisphosphate	+		phosphate