O(3)-(poly[(1->4)-beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl]-(1->4)-beta-D-glucuronosyl-(1->3)-beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-serine residue
o(3)-(poly[(1->4)-beta-d-glucuronosyl-(1->4)-n-acetyl-alpha-d-glucosaminyl]-(1->4)-beta-d-glucuronosyl-(1->3)-beta-d-galactosyl-(1->3)-beta-d-galactosyl-(1->4)-beta-d-xylosyl)-l-serine residue
An <small>L</small>-α-amino acid residue derived from <em>O</em><small><sup>3</small></sup>-(poly[(1→4)-β-<small>D</small>-glucuronosyl-(1→4)-<em>N</em>-acetyl-α-<small>D</small>-glucosaminyl]-(1→4)-β-<small>D</small>-glucuronosyl-(1→3)-β-<small>D</small>-galactosyl-(1→3)-β-<small>D</small>-galactosyl-(1→4)-β-<small>D</small>-xylosyl)-<small>L</small>-serine.