The molecule is an amino trisaccharide in which an N-acetyl-D-galactosamine and an L-fucose link beta(1->3) and alpha(1->2) respectively to beta-D-galactose. It has a role as an epitope. It is an amino trisaccharide and a galactosamine oligosaccharide.
N-[(2S,3R,4R,5R,6R)-2-[(2R,3R,4S,5S,6R)-2,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide