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Entry Detail
PDB ID:
5JDB
Keywords:
VIRAL PROTEIN
Title:
Binding specificity of P[8] VP8* proteins of rotavirus vaccine strains with histo-blood group antigens
Biological Source:
Source Organism:
Rotavirus A
Host Organism:
Escherichia coli K-12
PDB Version:
Deposition Date:
2016-04-16
Release Date:
2016-07-13
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.90 Å
R-Value Free:
0.22
R-Value Work:
0.20
R-Value Observed:
0.20
Space Group:
P 1 21 1
5JDB validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Description:Outer capsid protein VP4
Chain IDs:A, B, C, D, E, F
Chain Length:160
Number of Molecules:6
Biological Source:Rotavirus A
UniProt ID:E2EA82 Pfam ID:PF00426
Primary Citation
Binding specificity of P[8] VP8* proteins of rotavirus vaccine strains with histo-blood group antigens.
Virology 495 129 135 (2016)
PMID: 27209447 DOI: 10.1016/j.virol.2016.05.010

Abstact

RotaTeq(®) and Rotarix™ are two common human rotavirus (RV) vaccines currently on the market worldwide. Recent studies indicate histo-blood group antigens (HBGAs) may be attachment factors for RVs. The P[8] VP8* proteins of RotaTeq and Rotarix were expressed and purified, and their binding specificities were evaluated. Saliva-based binding assays showed that the VP8* proteins bound to the saliva samples of secretors irrespective of ABO blood types. However, in the oligosaccharide binding assay, the VP8* proteins displayed no specific binding to the HBGAs tested, including Lewis b and H1. The structure of RotaTeq P[8] VP8* was solved at 1.9Å. Structural comparisons revealed that the putative receptor binding site was different to that of other genotypes and displayed a novel potential binding region. These findings indicate RotaTeq and Rotarix may have better efficiency in areas with a high percentage of secretors.

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Primary Citation of related structures
5JDB