CHEBI:78727 - S. flexneri serotype 5a O-polysaccharide (O factor 9-negative)

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ChEBI Name S. flexneri serotype 5a O-polysaccharide (O factor 9-negative)
ChEBI ID CHEBI:78727
ChEBI ASCII Name S. flexneri serotype 5a O-polysaccharide (O factor 9-negative)
Definition A polysaccharide derivative comprised of a [2)-α-L-RhapIII-(1→2)-α-L-RhapII-(1→3)-α-L-RhapI-(1→3)-β-D-GlcpNAc-(1→] tetrasaccharide repeat modified by the (1→3) linkage of an α-D-glucosyl group to the RhaII residue.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula (C34H55NO23)nH2O
Net Charge 0
Roles Classification
Biological Role(s): antigen
Any substance that stimulates an immune response in the body, such as through antibody production or by presentation to a T-cell receptor after binding to a major histocompability complex (MHC).
View more via ChEBI Ontology
ChEBI Ontology
Outgoing S. flexneri serotype 5a O-polysaccharide (O factor 9-negative) (CHEBI:78727) has role antigen (CHEBI:59132)
S. flexneri serotype 5a O-polysaccharide (O factor 9-negative) (CHEBI:78727) is a polysaccharide derivative (CHEBI:65212)
Synonyms Sources
[2)-α-L-RhaIII-(1→2)-[α-D-Glc-(1→3)]-α-L-RhaII-(1→3)-α-L-RhaI-(1→3)-β-D-GlcNAc-(1→]n ChEBI
[2)-α-L-RhapIII-(1→2)-[α-D-Glcp-(1→3)]-α-L-RhapII-(1→3)-α-L-RhapI-(1→3)-β-D-GlcpNAc-(1→]n ChEBI
Citation Waiting for Citations Type Source
24671799 PubMed citation Europe PMC
Last Modified
06 June 2014
General Comment
2014-06-06 The antigenic determinant provisionally named group O factor 9 is described in PMID:24671799.