The molecule is dianion of lipid X arising from deprotonation of the phosphate OH groups; major species at pH 7.3. It is an organophosphate oxoanion and a 2,3-diacyl-alpha-D-glucosaminyl 1-phosphate. It is a conjugate base of a lipid X.
[(2R,3R,4R,5S,6R)-5-hydroxy-6-(hydroxymethyl)-3-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxyoxan-2-yl] phosphate