lipid A 4'-(2-aminoethyl diphosphate) oxoanion
lipid a 4'-(2-aminoethyl diphosphate) oxoanion
A lipid A oxoanion arising from deprotonation of the phosphate OH groups and protonation of the amino group of any lipid A 4'-(2-aminoethyl diphosphate); major species at pH 7.3.