The molecule is alpha-Neup5Ac-(2->6)-D-Galp in which the anomeric configuration of the reducing-end D-galactose residue is beta. It has a role as an epitope.
(2R,4S,5R,6R)-5-acetamido-4-hydroxy-2-[[(2R,3R,4S,5R,6R)-3,4,5,6-tetrahydroxyoxan-2-yl]methoxy]-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid