The molecule is the lipid oxoanion formed from lipid IIA by deprotonation of the phosphate hydroxy groups and protonation of the amino group. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a lipid IIA. It is a conjugate acid of a lipid IIA(3-).
[(2R,3S,4R,5R,6R)-6-[[(2R,3S,4R,5R,6R)-6-[[(2R,3R,4S,5S)-5-azaniumyl-3,4-dihydroxyoxan-2-yl]oxy-oxidophosphoryl]oxy-3-hydroxy-5-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxyoxan-2-yl]methoxy]-2-(hydroxymethyl)-5-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxyoxan-3-yl] phosphate