CHEBI:59408 - S. flexneri serotype 2a O-specific polysaccharide

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name S. flexneri serotype 2a O-specific polysaccharide
ChEBI ID CHEBI:59408
ChEBI ASCII Name S. flexneri serotype 2a O-specific polysaccharide
Definition A polysaccharide derivative antigen composed of a backbone of branched, derivatised-pentasaccharide repeating units that are joined to each other via β-(1→2)-linkages.
Stars This entity has been manually annotated by the ChEBI Team.
Download Molfile XML SDF
Formula (C32H53NO22)n
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 2a O-specific polysaccharide (CHEBI:59408) has role antigen (CHEBI:59132)
S. flexneri serotype 2a O-specific polysaccharide (CHEBI:59408) is a polysaccharide derivative (CHEBI:65212)
IUPAC Name
[(→2)-α-L-rhamnopyranosyl-(1→2)-α-L-rhamnopyranosyl-(1→3)-[α-D-glucopyranosyl-(1→4)]-α-L-rhamnopyranosyl-(1→3)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→)]n
Synonyms Sources
[(→2)-6-deoxy-α-L-mannopyranosyl-(1→2)-6-deoxy-α-L-mannopyranosyl-(1→3)-[α-D-glucopyranosyl-(1→4)]-6-deoxy-α-L-mannopyranosyl-(1→3)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→)]n IUPAC
[(→2)-α-L-Rha-(1→2)-α-L-Rha-(1→3)-[α-D-Glc-(1→4)]-α-L-Rha-(1→3)-β-D-GlcNAc-(1→)]n ChEBI
[(→2)-α-L-rhamnosyl-(1→2)-α-L-rhamnosyl-(1→3)-[α-D-Glc-(1→4)]-α-L-rhamnosyl-(1→3)-N-acetyl-β-D-glucosaminyl-(1→)]n ChEBI
[(→2)-α-L-Rhap-(1→2)-α-L-Rhap-(1→3)-[α-D-Glcp-(1→4)]-α-L-Rhap-(1→3)-β-D-GlcpNAc-(1→)]n ChEBI
S. flexneri serotype 2a O-PS repeating unit ChEBI
Shigella flexneri serotype 2a O-specific polysaccharide ChEBI
Citation Waiting for Citations Type Source
6196376 PubMed citation Europe PMC
Last Modified
29 November 2016