The molecule is a UDP-N-acetyl-D-mannosaminouronate(3-) in which the anomeric centre of the pyranose fragment has alpha-configuration. It is a conjugate base of an UDP-N-acetyl-alpha-D-mannosaminouronic acid.
(2S,3S,4R,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-3,4-dihydroxyoxane-2-carboxylate