The molecule is the organophosphate oxoanion of overall charge -4 formed from undecaprenyldiphospho-N-acetylmuramoyl-L-alanyl-D-gamma-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine at pH 7.3. It is a conjugate base of an undecaprenyldiphospho-N-acetylmuramoyl-L-alanyl-D-gamma-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine.
(2R,6S)-6-[[(4R)-4-[[(2S)-2-[[(2R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-3-hydroxy-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]-4-carboxylatobutanoyl]amino]-2-azaniumyl-7-[[(2R)-1-[[(1R)-1-carboxylatoethyl]amino]-1-oxopropan-2-yl]amino]-7-oxoheptanoate