The molecule is a linear amino trisaccharide comprising a sequence of N-acetyl-beta-D-glucosamine, beta-D-galactose and another N-acetyl-beta-D-glucosamine connected by (1->4) linkages. 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,4R,5R,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide