The molecule is a glycosylmannose consisting of alpha-D-mannopyranose having an alpha-abequopyranosyl residue attached at the 3-position. It has a role as an epitope.
(2S,3S,4S,5R,6R)-4-[(2R,3R,5R,6R)-3,5-dihydroxy-6-methyloxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,3,5-triol