The molecule is an amino pentasaccharide consisting of alpha-D-galactose, beta-D-galactose N-acetyl-alpha-D-glucosamine, beta-D-galactose, and beta-D-glucose residues joined in sequence with ((1->4)-, (1->4)-, (1->3)- and (1->4)-linkages, respectively. It is a glucosamine oligosaccharide and an amino pentasaccharide.
N-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4R,5R,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2-[(2R,3S,4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-4-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide