PolysacDB: A comprehensive database of microbial polysaccharide antigens and their antibodies

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Citation: Aithal A, Sharma A, Joshi S, Raghava GPS, Varshney GC (2012) PolysacDB: A Database of Microbial Polysaccharide Antigens and Their Antibodies. PLoS ONE 7(4): e34613. doi:10.1371/journal.pone.0034613
Total Entries - 2

Entry No. - 1   [TOP]
PolysacDB ID1392
Carbohydrate NameLipopolysaccharide   (Drugpedia)
Carbohydrate ClassLipopolysaccharide
MicrobeSalmonella minnesota R595   (NCBI Taxonomy)   (Drugpedia)
Basic StructureLPS is a complex macromolecule composed of the biologically active lipid A moiety, covalently attached core oligosaccharide, and distally linked polysaccharide O-side chain. The core oligosaccharide part consists of the following residues : α-Kdop-(2-8)-α-Kdop-(2-->4)-Kdo
BCSDB StructureN/A
Proposed functionsLPS plays an important virulence role based on its antiphagocytic and endotoxic properties
Antigenic Nature used to produce antibodiesAcid-treated and lipid A-coated S. minnesota R597
Carrier NameNil
Conjugation MethodNil
AntibodiesMab 1F2
Antibody type and classIgG1
Assay SystemELISA, immunoblotting and RIA
Cross-reactivityThis antibody cross-reacted with E. coli J5, , S. minnesota R595, but did not cross-react with Staphylococcus aureus, E. Coli O111:B4, K. pneumoniae, S. marcescens and P. Aeruginosa and Staphylococcus faecalis
Proposed epitopesN/A
IEDB EpitopeN/A
Proposed UtilityN/A
Curator IDAA + AS
Date of Curation07-07-2010
ReferencesPMC260436


Entry No. - 2   [TOP]
PolysacDB ID1974
Carbohydrate NameCapsular polysaccharide   (Drugpedia)
Carbohydrate ClassCapsular polysaccharide
MicrobeStreptococcus pneumoniae strain 14   (NCBI Taxonomy)   (Drugpedia)
Basic StructureThe capsular polysaccharide consists of the following residues : -6)-β-D-GlcpNAc [branched to β-D-Galp-(1-->4)] -(1-->3)-β-D-Galp-(1-->4)-β-D-Glcp-(1-
BCSDB Structure2848
Proposed functionsN/A
Antigenic Nature used to produce antibodiesGlycoconjugates
Carrier NameTetanus toxoid
Conjugation MethodThe oligosaccharide was derivatized with adipic acid dihydrazide and coupled to tetanus toxoid
AntibodiesMab 1F2
Antibody type and classIgG1
Assay SystemEnzyme Inhibition Assay, colony blotting, Opsonophagocytosis assay
Cross-reactivityThis Mab was specific tgo strain 14 and did not cross-react with other strains
Proposed epitopesN/A
IEDB EpitopeN/A
Proposed UtilityN/A
Curator IDAA + AS
Date of Curation08-12-2010
ReferencesPMC95896


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