6I9I

Rift valley fever virus Gn in complex with a neutralizing antibody fragment


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.98 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.203 
  • R-Value Observed: 0.205 

wwPDB Validation 3D Report Full Report



Literature

A Protective Monoclonal Antibody Targets a Site of Vulnerability on the Surface of Rift Valley Fever Virus.

Allen, E.R.Krumm, S.A.Raghwani, J.Halldorsson, S.Elliott, A.Graham, V.A.Koudriakova, E.Harlos, K.Wright, D.Warimwe, G.M.Brennan, B.Huiskonen, J.T.Dowall, S.D.Elliott, R.M.Pybus, O.G.Burton, D.R.Hewson, R.Doores, K.J.Bowden, T.A.

(2018) Cell Rep 25: 3750-3758.e4

  • DOI: 10.1016/j.celrep.2018.12.001
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The Gn subcomponent of the Gn-Gc assembly that envelopes the human and animal pathogen, Rift Valley fever virus (RVFV), is a primary target of the neutralizing antibody response. To better understand the molecular basis for immune recognition, we raised a class of neutralizing monoclonal antibodies (nAbs) against RVFV Gn, which exhibited protective efficacy in a mouse infection model ...

    The Gn subcomponent of the Gn-Gc assembly that envelopes the human and animal pathogen, Rift Valley fever virus (RVFV), is a primary target of the neutralizing antibody response. To better understand the molecular basis for immune recognition, we raised a class of neutralizing monoclonal antibodies (nAbs) against RVFV Gn, which exhibited protective efficacy in a mouse infection model. Structural characterization revealed that these nAbs were directed to the membrane-distal domain of RVFV Gn and likely prevented virus entry into a host cell by blocking fusogenic rearrangements of the Gn-Gc lattice. Genome sequence analysis confirmed that this region of the RVFV Gn-Gc assembly was under selective pressure and constituted a site of vulnerability on the virion surface. These data provide a blueprint for the rational design of immunotherapeutics and vaccines capable of preventing RVFV infection and a model for understanding Ab-mediated neutralization of bunyaviruses more generally.


    Organizational Affiliation

    Division of Structural Biology, Wellcome Centre for Human Genetics, University of Oxford, Roosevelt Drive, Oxford OX3 7BN, UK; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA. Electronic address: thomas.bowden@strubi.ox.ac.uk.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
RV-Gn1 Heavy chainA, H223Oryctolagus cuniculusMutation(s): 0 
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
RV-Gn1 Light chainB, L217Oryctolagus cuniculusMutation(s): 0 
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
GlycoproteinC, D325Rift Valley fever virusMutation(s): 0 
Find proteins for P21401 (Rift valley fever virus (strain ZH-548 M12))
Explore P21401 
Go to UniProtKB:  P21401
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.98 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.203 
  • R-Value Observed: 0.205 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.59α = 81.01
b = 61.95β = 77.52
c = 78.91γ = 84.74
Software Package:
Software NamePurpose
REFMACrefinement
xia2data reduction
xia2data scaling
PHASERphasing

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Medical Research Council (United Kingdom)United KingdomMR/N002091/1
Medical Research Council (United Kingdom)United KingdomMR/J007897/1

Revision History 

  • Version 1.0: 2018-12-26
    Type: Initial release
  • Version 1.1: 2019-01-09
    Changes: Data collection, Database references
  • Version 2.0: 2019-10-02
    Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Polymer sequence, Source and taxonomy, Structure summary