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CHEBI:59401 - S. flexneri serotype 5a O-specific polysaccharide

ChEBI IDCHEBI:59401
ChEBI NameS. flexneri serotype 5a O-specific polysaccharide
Stars
ASCII NameS. flexneri serotype 5a O-specific polysaccharide
DefinitionA polysaccharide derivative antigen composed of a backbone of branched pentasaccharide derivative repeating units that are joined to each other via β-(1→2)-linkages.
Last Modified19 March 2019
SubmitterSteve
DownloadsMolfile
Formula(C32H53NO22)n
Net Charge0
Average Mass803.761
Monoisotopic Mass803.30592
SMILES*O[C@H]1[C@H](O[C@H]2[C@H](O[C@@H]3[C@@H](O)[C@H](C)O[C@@H](O[C@H]4[C@H](O)[C@@H](CO)O[C@@H](*)[C@@H]4NC(C)=O)[C@@H]3O)O[C@@H](C)[C@H](O)[C@H]2O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)O[C@@H](C)[C@H](O)[C@H]1O
Roles Classification
Biological Role:
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).
ChEBI Ontology
Outgoing Relation(s)
S. flexneri serotype 5a O-specific polysaccharide (CHEBI:59401) has role antigen (CHEBI:59132)
S. flexneri serotype 5a O-specific polysaccharide (CHEBI:59401) is a polysaccharide derivative (CHEBI:65212)
IUPAC Name 
[2)-α-D-Glcp-(1→3)-[α-L-Rhap-(1→2)]-α-L-Rhap-(1→3)-α-L-Rhap-(1→3)-β-D-GlcpNAc-(1→]n
Synonyms  Source
S. flexneri serotype 5a O-PS repeating unitChEBI
Shigella flexneri serotype 5a O-specific polysaccharideChEBI
[2)-α-L-Rhap-(1→2)-[α-D-Glcp-(1→3)]-α-L-Rhap-(1→3)-α-L-Rhap-(1→3)-β-D-GlcpNAc-(1→]nChEBI
[2)-α-L-Rha-(1→2)-[α-D-Glc-(1→3)]-α-L-Rha-(1→3)-α-L-Rha-(1→3)-β-D-GlcNAc-(1→]nChEBI
[2)-α-D-Glc-(1→3)-[α-L-Rha-(1→2)]-α-L-Rha-(1→3)-α-L-Rha-(1→3)-β-D-GlcNAc-(1→]nChEBI
Citations