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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminyl group
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Accession:CHEBI:75130 term browser browse the term
Definition:A sialosyl group derived from the disaccharide alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminic acid.
Synonyms:exact_synonym: 5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->8)-5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranosonyl
 related_synonym: 5-acetamido-8-O-(5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl)-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranosonyl;   Formula=C22H35N2O16;   Neu5Ac-(alpha2,8)-Neu5Acalpha;   SMILES=*[C@]1(O[C@]([C@@H]([C@H](C1)O)NC(C)=O)([C@@H]([C@H](O[C@]2(O[C@]([C@@H]([C@H](C2)O)NC(C)=O)([C@@H]([C@@H](CO)O)O)[H])C(=O)O)CO)O)[H])C(O)=O;   alpha-Neu5Ac-(2->8)-alpha-Neu5Ac;   alpha-Neup5Ac-(2->8)-alpha-Neup5Ac

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  CHEBI ontology 19786
    role 19732
      biological role 19732
        epitope 6985
          alpha-Neup5Ac-(2->8)-alpha-Neup5Ac 0
            alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminyl group 0
Path 2
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  CHEBI ontology 19786
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19675
                    p-block element atom 19675
                      carbon group element atom 19596
                        carbon atom 19586
                          organic molecular entity 19586
                            heteroorganic entity 19226
                              organochalcogen compound 18983
                                organooxygen compound 18915
                                  carbohydrates and carbohydrate derivatives 12342
                                    carbohydrate 12342
                                      oligosaccharide 570
                                        oligosaccharide derivative 137
                                          amino oligosaccharide 2
                                            amino disaccharide 0
                                              alpha-Neu5Ac-(2->8)-Neu5Ac 0
                                                alpha-Neup5Ac-(2->8)-alpha-Neup5Ac 0
                                                  alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminyl group 0
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