Reaction catalyzed by (Kdo)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase (2.4.99.13)

		+			=			+
	alpha-Kdo-(2->6)-lipid IVA	+		CMP-alpha-Kdo	=		alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid IVA	+		CMP