The molecule is a nucleotide-sugar oxoanion obtained via deprotonation of the diphosphate and carboxy OH groups of UDP-2-acetamido-2-deoxy-alpha-D-ribo-hex-3-uluronic acid; major species at pH 7.3. It is a nucleotide-sugar oxoanion and a carbohydrate acid derivative anion. It is a conjugate base of an UDP-2-acetamido-2-deoxy-alpha-D-ribo-hex-3-uloseuronic acid.
(2S,3R,5S,6R)-5-acetamido-6-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl]oxy-3-hydroxy-4-oxooxane-2-carboxylate