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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 0
    role 0
      biological role 0
        antigen 0
          S. flexneri serotype 2a O-specific polysaccharide 0
Path 2
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  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            heteroorganic entity 0
                              organochalcogen compound 0
                                organooxygen compound 0
                                  carbohydrates and carbohydrate derivatives 0
                                    carbohydrate 0
                                      polysaccharide 0
                                        polysaccharide derivative 0
                                          S. flexneri serotype 2a O-specific polysaccharide 0
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