The molecule is a nine-membered glucosamine oligosaccharide that consists of the disaccharide beta-D-Gal-(1->4)-beta-D-Glc, to the galactose residue of which are attached alpha-L-Fuc-(1->4)-[alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)]-beta-D-GlcNAc and beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc groups at O-3 and O-6 respectively. It is an amino nonasaccharide and a glucosamine oligosaccharide.
N-[(2R,3R,4R,5S,6R)-2-[[(2R,3S,4S,5R,6S)-4-[(2S,3R,4R,5S,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-3,5-dihydroxy-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-2-yl]methoxy]-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl]acetamide