The molecule is a tetrasaccharide consisting of alternating D-glucuronic acid and D-xylosyl residues joined in sequence by (1->3)-linkages. A repeating unit in glycoprotein DAG1 It is a carbohydrate acid and a tetrasaccharide.
(2S,3S,4S,5R,6R)-4-[(2R,3R,4S,5R)-4-[(2R,3R,4S,5S,6S)-6-carboxy-3,5-dihydroxy-4-[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxan-2-yl]oxy-3,5-dihydroxyoxan-2-yl]oxy-3,5,6-trihydroxyoxane-2-carboxylic acid