The molecule is a peptide anion obtained from N-acetyl-D-glucosaminyl-(1->4)-N-acetylmuramoyl-L-alanyl-D-glutamyl-6-carboxy-L-lysine. Major structure at pH 7.3 It is a conjugate base of a N-acetyl-D-glucosaminyl-(1->4)-N-acetylmuramoyl-L-alanyl-D-glutamyl-6-carboxy-L-lysine.
(2S)-2-[[(4R)-4-[[(2S)-2-[[(2R)-2-[(3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxypropanoyl]amino]propanoyl]amino]-4-carboxylatobutanoyl]amino]-6-azaniumylheptanedioate