The molecule is the conjugate base of D-alanyl-L-alanyl poly(glycerol phosphate); major species at pH 7.3. It is a conjugate base of a D-alanyl-L-alanyl poly(glycerol phosphate).
[(2S)-2-[(2R)-2-[[(2R)-2-azaniumylpropanoyl]amino]propanoyl]oxy-3-hydroxypropyl] phosphate