The molecule is an amino hexasaccharide consisting of 2-acetamido-2-deoxy-alpha-D-galacturonamide, 2-acetamido-2-deoxy-alpha-D-galacturonamide, 2-acetamido-2-deoxy-beta-D-quinovose, 4-deoxy-4-formamido-beta-D-quinovose, 2-acetamido-2-deoxy-alpha-D-galacturonamide and 2-acetamido-2-deoxy-alpha-D-galacturonamide residues linked in a (1->4), (1->3), (1->2), (1->4), (1->4) sequence.
(2S,3R,4R,5R,6S)-5-acetamido-3-[(2S,3R,4R,5R,6S)-3-acetamido-5-[(2S,3R,4S,5S,6R)-3-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2S,3R,4R,5R,6S)-3-acetamido-5-[(2S,3R,4R,5R,6S)-3-acetamido-6-carbamoyl-4,5-dihydroxyoxan-2-yl]oxy-6-carbamoyl-4-hydroxyoxan-2-yl]oxy-5-hydroxy-6-methyloxan-2-yl]oxy-5-formamido-4-hydroxy-6-methyloxan-2-yl]oxy-6-carbamoyl-4-hydroxyoxan-2-yl]oxy-4,6-dihydroxyoxane-2-carboxamide