The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the carboxy and diphosphate OH groups of UDP-N-acetyl-beta-D-mannosaminouronic 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-N-acetyl-beta-D-mannosaminouronic acid.
(2S,3S,4R,5S,6S)-5-acetamido-6-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl]oxy-3,4-dihydroxyoxane-2-carboxylate