The molecule is a UDP-N-acetylmuramoyl-L-alanyl-D-glutamate(4-) in which the muramoyl fragment has alpha-configuration at its anomeric centre; major species at pH 7.3. It is a conjugate base of an UDP-N-acetyl-alpha-muramoyl-L-alanyl-D-glutamic acid.
(2R)-2-[[(2S)-2-[[(2R)-2-[(2R,3R,4R,5S,6R)-3-acetamido-2-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxypropanoyl]amino]propanoyl]amino]pentanedioate