The molecule is a linear amino trisaccharide conmprised of two (1->3)-linked beta-D-galactose residues linked (1->4) to an N-acetyl-beta-D-glucosamine residue at the reducing end. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide.
N-[(2R,3R,4R,5S,6R)-5-[(2S,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide