The molecule is an amino trisaccharide comprising alpha-sialyl, N-acetyl-beta-D-glucosaminyl and N-acetyl-D-glucosamine linked in a (2->6) and (1->4) sequence. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide.
(2R,4S,5R,6R)-5-acetamido-2-[[(2R,3S,4R,5R,6S)-5-acetamido-6-[(2R,3S,4R,5R)-5-acetamido-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4-dihydroxyoxan-2-yl]methoxy]-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid