The molecule is the organophosphate oxoanion of overall charge -3 formed from lipid II [undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-D-gamma-glutamyl-L-lysyl-D-alanyl-D-alanine] at pH 7.3. It is a conjugate base of a lipid II.
(2R)-2-[[(2S)-2-[[(2R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-3-[(2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-(hydroxymethyl)-6-[oxido-[oxido-[(2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,14,18,22,26,30,34,38,42-undecaenoxy]phosphoryl]oxyphosphoryl]oxyoxan-4-yl]oxypropanoyl]amino]propanoyl]amino]-5-[[(2S)-6-azaniumyl-1-[[(2R)-1-[[(1R)-1-carboxylatoethyl]amino]-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]amino]-5-oxopentanoate