The molecule is a linear amino trisaccharide comprised of a (1->3)-linked sequence of N-acetyl-beta-D-glucosamine, beta-D-galactose and N-acetyl-beta-D-galactosamine residues. It has a role as an epitope. It is an amino trisaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide.
N-[(2S,3R,4R,5S,6R)-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5R,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide