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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 2a O-specific polysaccharide
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Accession:CHEBI:59408 term browser browse the term
Definition:A polysaccharide derivative antigen composed of a backbone of branched, derivatised-pentasaccharide repeating units that are joined to each other via beta-(1->2)-linkages.
Synonyms:exact_synonym: [(->2)-alpha-L-rhamnopyranosyl-(1->2)-alpha-L-rhamnopyranosyl-(1->3)-[alpha-D-glucopyranosyl-(1->4)]-alpha-L-rhamnopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->)]n
 related_synonym: Formula=(C32H53NO22)n;   S. flexneri serotype 2a O-PS repeating unit;   Shigella flexneri serotype 2a O-specific polysaccharide;   [(->2)-6-deoxy-alpha-L-mannopyranosyl-(1->2)-6-deoxy-alpha-L-mannopyranosyl-(1->3)-[alpha-D-glucopyranosyl-(1->4)]-6-deoxy-alpha-L-mannopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->)]n;   [(->2)-alpha-L-Rha-(1->2)-alpha-L-Rha-(1->3)-[alpha-D-Glc-(1->4)]-alpha-L-Rha-(1->3)-beta-D-GlcNAc-(1->)]n;   [(->2)-alpha-L-Rhap-(1->2)-alpha-L-Rhap-(1->3)-[alpha-D-Glcp-(1->4)]-alpha-L-Rhap-(1->3)-beta-D-GlcpNAc-(1->)]n;   [(->2)-alpha-L-rhamnosyl-(1->2)-alpha-L-rhamnosyl-(1->3)-[alpha-D-Glc-(1->4)]-alpha-L-rhamnosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->)]n
 xref: PMID:6196376


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  CHEBI ontology 19874
    role 19844
      biological role 19842
        antigen 130
          S. flexneri serotype 2a O-specific polysaccharide 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19874
    subatomic particle 19872
      composite particle 19872
        hadron 19872
          baryon 19872
            nucleon 19872
              atomic nucleus 19872
                atom 19872
                  main group element atom 19811
                    p-block element atom 19811
                      carbon group element atom 19751
                        carbon atom 19748
                          organic molecular entity 19748
                            heteroorganic entity 19505
                              organochalcogen compound 19268
                                organooxygen compound 19184
                                  carbohydrates and carbohydrate derivatives 15285
                                    carbohydrate 15285
                                      polysaccharide 8218
                                        polysaccharide derivative 5129
                                          S. flexneri serotype 2a O-specific polysaccharide 0
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