Reaction catalyzed by inositol-pentakisphosphate 2-kinase (2.7.1.158)

		+		ATP	=			+		ADP
	1D-myo-inositol 1,4,6-trisphosphate	+		ATP	=		1D-myo-inositol 1,2,4,6-tetrakisphosphate	+		ADP