The molecule is an alpha-D-GalpNAc-(1->3)-D-GalpNAc having beta-configuration at the reducing end anomeric centre. It has a role as an antigen and an epitope.
N-[(2S,3R,4R,5R,6R)-2-[(2R,3R,4R,5R,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide