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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:S. flexneri serotype Y O-polysaccharide (O factor 9-positive)
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Accession:CHEBI:78716 term browser browse the term
Definition:A polysaccharide derivative comprised of a [2)-alpha-L-Rhap(III)-(1->2)-alpha-L-Rhap(II)-(1->3)-alpha-L-Rhap(I)-(1->3)-beta-D-GlcpNAc-(1->] tetrasaccharide repeat modified by addition of acetyl groups to 40% of the O-6 positions of the GlcNAc residue and to either O-3 or O-4 of many of the Rha(III) residues (30% to O-3; 20% to O-4). The structure provided is representative of that in Shigella flexneri serotype Y and shows the most common repeating unit.
Synonyms:related_synonym: Formula=(C30H47NO19)nH2O;   [2)-alpha-L-Rha(III)3/4Ac-(1->2)-alpha-L-Rha(II)-(1->3)-alpha-L-Rha(I)-(1->3)-beta-D-Glc6,NAc2-(1->]n;   [2)-alpha-L-Rhap(III)3/4Ac-(1->2)-alpha-L-Rhap(II)-(1->3)-alpha-L-Rhap(I)-(1->3)-beta-D-Glcp6,NAc2-(1->]n
 xref: PMID:22724405;   PMID:24671799


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Term Annotations click to browse term
  CHEBI ontology 5066
    role 5030
      biological role 5030
        antigen 0
          S. flexneri serotype Y O-polysaccharide (O factor 9-positive) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 5066
    subatomic particle 5057
      composite particle 5057
        hadron 5057
          baryon 5057
            nucleon 5057
              atomic nucleus 5057
                atom 5057
                  main group element atom 5026
                    p-block element atom 5023
                      carbon group element atom 4940
                        carbon atom 4939
                          organic molecular entity 4939
                            heteroorganic entity 4779
                              organochalcogen compound 4741
                                organooxygen compound 4703
                                  carbohydrates and carbohydrate derivatives 123
                                    carbohydrate 123
                                      polysaccharide 62
                                        polysaccharide derivative 62
                                          S. flexneri serotype Y O-polysaccharide (O factor 9-positive) 0
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