The molecule is an amino disaccharide comprising an N-acetyl-beta-D-glucosamine residue linked (1->3) to an N-acetyl-beta-D-galactosamine residue at the reducing end. It has a role as an epitope. It is an amino disaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide.
N-[(2R,3R,4R,5S,6R)-2-[(2S,3R,4R,5R,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide