The molecule is a glycosylgalactose comprising two alpha-D-galactose units joined via a (1->3)-linkage. It has a role as an epitope. It is an alpha-D-galactosyl-(1->3)-D-galactose and a glycosylgalactose.
(2S,3R,4S,5S,6R)-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-2,3,5-triol