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 - 1

Entry No. - 1   [TOP]
PolysacDB ID2022
Carbohydrate NameCore oligosaccharide   (Drugpedia)
Carbohydrate ClassLipopolysaccharide
MicrobePseudomonas aeruginosa   (NCBI Taxonomy)   (Drugpedia)
Basic StructureThe LPS consists of three regions, namely O-polysaccharide, core oligosaccharide and lipid A. The core region of LPS is divided into the outer core and inner core. The inner core region consists of 2-keto-3-deoxyoctonic acid (KDO), heptose, phosphate, and probably ethanolamine. The outer core region commonly contains D-glucose, L-rhamnose, D-galactosamine, and L-alanine. The O-antigens consist of a trisaccharide repeating unit which consists of two uronic acid derivatives and one N-acetyl fucosamine residue
BCSDB StructureN/A
Proposed functionsN/A
Antigenic Nature used to produce antibodiesFormalin-killed P. aeruginosa cells
Carrier NameNil
Conjugation MethodNil
AntibodiesMab MH-4H7
Antibody type and classIgM
Assay SystemELISA, immunoblotting and flow cytometry
Cross-reactivityMab MH-4H7 bound to P. aeruginosa strains of serotype A, F, G, H, K and M, but did not bind to any strains of serotype B, C, E and I. This Mab also cross-reacted with E. coli 026 : B6 LPS
Proposed epitopesThis Mab reacted with the core region of the LPS. L-rhamnose in the LPS core of serotype G was an immunodominant sugar recognized by OM-1D6
IEDB EpitopeN/A
Proposed UtilityThis Mab showed a high level of protective activity against P.aeruginosa in an experimental infection model using normal mice
Curator IDAA + AS
Date of Curation19-12-2010
References1564440


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