Reaction catalyzed by archaetidylinositol phosphate synthase (2.7.8.39)

		+			=			+
	CDP-2,3-bis-(O-phytanyl)-sn-glycerol	+		1L-myo-inositol 1-phosphate	=		CMP	+		1-archaetidyl-1D-myo-inositol 3-phosphate