The molecule is an L-lysine derivative arising from amide formation between N-2 of L-lysine and the carboxy group of alpha-D-galactopyranuronic acid. It has a role as an epitope.
(2S)-6-amino-2-[[(2S,3R,4S,5R,6S)-3,4,5,6-tetrahydroxyoxane-2-carbonyl]amino]hexanoic acid