The molecule is a linear amino trisaccharide consisting of beta-D-glucose at the reducing end having an N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl group attached at the 4-position. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide.
N-[(2S,3R,4R,5S,6R)-2-[(2R,3S,4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide