The molecule is a glycosylglucopyranuronic acid consisting of alpha-D-xylosyl and D-glucuronic acid residues joined by a (1->3)-linkage. A repeating structure in glycoproteins. It is a carbohydrate acid and a glycosylglucopyranuronic acid.
(2S,3S,4S,5R,6R)-3,5,6-trihydroxy-4-[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxane-2-carboxylic acid