Reaction catalyzed by inositol-polyphosphate 5-phosphatase (3.1.3.56)

		+		H2O	=			+
	1D-myo-inositol 1,3,4,5-tetrakisphosphate	+		H2O	=		1D-myo-inositol 1,3,4-trisphosphate	+		phosphate