SMILES: CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)O[C@H]2[C@H]([C@H](O[C@H]([C@@H]2O)O[C@@H]3[C@H](O[C@@H]([C@H]3O)C=O)CO[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O[C@H]5[C@@H]([C@H]([C@H]([C@H](O5)CO)O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO[C@H]7[C@@H]([C@H]([C@@H]([C@H](O7)CO)O[C@H]8[C@@H]([C@H]([C@H]([C@H](O8)CO)O)O)O)O)O)O[C@H]9[C@@H]([C@H]([C@H]([C@H](O9)CO)O)O[C@@]1(C[C@@H]([C@H]([C@@H](O1)[C@@H]([C@@H](CO)O)O)NC(=O)C)O)C(=O)O)O)O)NC(=O)C)O)O)O)CO)O)O
Description: The molecule is a branched amino decasaccharide comprising a sequence of alpha-sialyl, beta-D-galactosyl, N-acetyl-beta-D-glucosaminyl, beta-D-galactosyl, beta-D-glucosyl and 2,5-anydro-D-mannose residues linked sequentially (2->3), (1->4), (1->3), (1->4) and (1->6), to the N-acetyl-glucosaminyl residue of which is linked also (1->6) an alpha-sialyl-(2->3)-beta-D-galactosyl disaccharide unit, while to the 2,5-anhydro-D-mannose residue at the reducing end is also linked (1->4) a further alpha-sialyl(2->3)-beta-D-galactosyl disaccharide unit. Obtained by depolymerisation of the group B Streptococcus (GBS) type III capsular polysaccharide during which process the 2,5-anhydro-D-mannose residue is formed from a the original reducing-end N-acetyl-glucosaminyl residue (PMID:28439022). It has a role as an epitope.