The molecule is a glycosylgalactose consisting of beta-D-galactose substituted on O-6 with a beta-D-glucopyranuronosyl (beta-D-glucopyranosyluronic acid) group. It has a role as an epitope.
(2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4S,5R,6R)-3,4,5,6-tetrahydroxyoxan-2-yl]methoxy]oxane-2-carboxylic acid