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