5WKF

D30 TCR in complex with HLA-A*11:01-GTS1

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.95 Å
  • R-Value Free: 0.253 
  • R-Value Work: 0.190 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history. 

Literature

Germline bias dictates cross-serotype reactivity in a common dengue-virus-specific CD8(+) T cell response.

Culshaw, A., Ladell, K., Gras, S., McLaren, J.E., Miners, K.L., Farenc, C., van den Heuvel, H., Gostick, E., Dejnirattisai, W., Wangteeraprasert, A., Duangchinda, T., Chotiyarnwong, P., Limpitikul, W., Vasanawathana, S., Malasit, P., Dong, T., Rossjohn, J., Mongkolsapaya, J., Price, D.A., Screaton, G.R.

(2017) Nat. Immunol. 18: 1228-1237

  • DOI: 10.1038/ni.3850
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    • Adaptive immune responses protect against infection with dengue virus (DENV), yet cross-reactivity with distinct serotypes can precipitate life-threatening clinical disease. We found that clonotypes expressing the T cell antigen receptor (TCR) β-chai ...

    Adaptive immune responses protect against infection with dengue virus (DENV), yet cross-reactivity with distinct serotypes can precipitate life-threatening clinical disease. We found that clonotypes expressing the T cell antigen receptor (TCR) β-chain variable region 11 (TRBV11-2) were 'preferentially' activated and mobilized within immunodominant human-leukocyte-antigen-(HLA)-A*11:01-restricted CD8+ T cell populations specific for variants of the nonstructural protein epitope NS3133 that characterize the serotypes DENV1, DENV3 and DENV4. In contrast, the NS3133-DENV2-specific repertoire was largely devoid of such TCRs. Structural analysis of a representative TRBV11-2+ TCR demonstrated that cross-serotype reactivity was governed by unique interplay between the variable antigenic determinant and germline-encoded residues in the second β-chain complementarity-determining region (CDR2β). Extensive mutagenesis studies of three distinct TRBV11-2+ TCRs further confirmed that antigen recognition was dependent on key contacts between the serotype-defined peptide and discrete residues in the CDR2β loop. Collectively, these data reveal an innate-like mode of epitope recognition with potential implications for the outcome of sequential exposure to heterologous DENVs.

    Organizational Affiliation: 

    Department of Medicine, Imperial College London, London, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
HLA class I histocompatibility antigen, A-11 alpha chain
A, F
274Homo sapiensMutation(s): 0 
Gene Names: HLA-A (HLAA)
Find proteins for P13746 (Homo sapiens)
Go to Gene View: HLA-A
Go to UniProtKB:  P13746
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Beta-2-microglobulin
B, G
100Homo sapiensMutation(s): 0 
Gene Names: B2M
Find proteins for P61769 (Homo sapiens)
Go to Gene View: B2M
Go to UniProtKB:  P61769
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
GTS1 peptide
C, H
10Dengue virus type 1 (strain Nauru/West Pac/1974)Mutation(s): 0 
Find proteins for P17763 (Dengue virus type 1 (strain Nauru/West Pac/1974))
Go to UniProtKB:  P17763
Entity ID: 4
MoleculeChainsSequence LengthOrganismDetails
T-cell receptor alpha variable 30,T-cell receptor, sp3.4 alpha chain Chimera
D, I
198N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Entity ID: 5
MoleculeChainsSequence LengthOrganismDetails
D30 TCR beta chain
E, J
244N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.95 Å
  • R-Value Free: 0.253 
  • R-Value Work: 0.190 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 88.057α = 90.00
b = 146.376β = 90.00
c = 167.557γ = 90.00
Software Package:
Software NamePurpose
SCALAdata scaling
XDSdata processing
BUSTERrefinement
PHASERphasing
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots


View more in-depth experimental data

Entry History 

Deposition Data

  • Deposited Date: 2017-07-25 
  • Released Date: 2017-09-20 
  • Deposition Author(s): Gras, S., Rossjohn, J.

Revision History 

  • Version 1.0: 2017-09-20
    Type: Initial release
  • Version 1.1: 2017-10-11
    Type: Database references
  • Version 1.2: 2017-10-25
    Type: Database references