The molecule is an amino trisaccharide consisting of an N-acetyl-beta-neuraminyl residue attached to the galactose residue of N-acetyllactosamine via an alpha-(2->6)-linkage. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide.
(2S,4S,5R,6R)-5-acetamido-2-[[(2R,3R,4S,5R,6S)-6-[(2R,3S,4R,5R,6R)-5-acetamido-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methoxy]-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid