beta-D-GalNAc4S-(1->4)-beta-D-IdoA2S-(1->3)-beta-D-GalNAc4S-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl-yl group
beta-d-galnac4s-(1->4)-beta-d-idoa2s-(1->3)-beta-d-galnac4s-(1->4)-beta-d-glca-(1->3)-beta-d-gal-(1->3)-beta-d-gal-(1->4)-beta-d-xyl-yl group
A linear heptasaccharide glycosyl group consisting of two <em>N</em>-acetylgalactosamine residues (both sulfated at the 4-position), one iduronic acid residue sulfated at the 2-position, one glucuronic acid residue and two galactosyl residues linked to a xylosyl residue at the reducing end.