ChEBI: (Kdo)2-lipid A (E. coli) is a member of lipid As, a dodecanoate ester and a tetradecanoate ester. It has a role as an Escherichia coli metabolite. It is functionally related to a lipid A (E. coli). It is a conjugate acid of a (Kdo)2-lipid A(6-) (E. coli).