The molecule is the organophosphate oxoanion formed from beta-L-Ara4N-(KDO)2-lipid IVA by deprotonation of the carboxy and phosphate groups. Major microspecies at pH 7.3. It is a carbohydrate acid derivative anion and a lipid IVA oxoanion. It is a conjugate base of a beta-L-Ara4N-(KDO)2-lipid IVA.
(2R,4R,5R,6R)-2-[(2R,4R,5R,6R)-2-[[(2R,3S,4R,5R,6R)-3-[[(2R,3R,4S,5S)-5-azaniumyl-3,4-dihydroxyoxan-2-yl]oxy-oxidophosphoryl]oxy-6-[[(2R,3S,4R,5R,6R)-3-hydroxy-5-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxy-6-phosphonatooxyoxan-2-yl]methoxy]-5-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxyoxan-2-yl]methoxy]-2-carboxylato-6-[(1R)-1,2-dihydroxyethyl]-5-hydroxyoxan-4-yl]oxy-6-[(1R)-1,2-dihydroxyethyl]-4,5-dihydroxyoxane-2-carboxylate