The molecule is a heparan sulfate octasaccharide with sequence: GlcA-GlcNSO3-IdoA(2-OSO3)-GlcNSO3-IdoA(2-OSO3)-GlcNSO3-IdoA-aManR(6-OSO3) (aManR = 2,5-anhydro-D-mannitol). It is a heparan sulfate octasaccharide, an oligosaccharide sulfate and an amino octasaccharide.
(2S,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4R,5R,6R)-2-carboxy-4,5-dihydroxy-6-[(2R,3S,4R,5R)-4-hydroxy-5-(hydroxymethyl)-2-(sulfooxymethyl)oxolan-3-yl]oxyoxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)-5-(sulfoamino)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)-5-(sulfoamino)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)-5-(sulfoamino)oxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid