7UPK

Prefusion-stabilized Nipah virus fusion protein complexed with Fab 1A9


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structural basis for antibody recognition of vulnerable epitopes on Nipah virus F protein.

Byrne, P.O.Fisher, B.E.Ambrozak, D.R.Blade, E.G.Tsybovsky, Y.Graham, B.S.McLellan, J.S.Loomis, R.J.

(2023) Nat Commun 14: 1494-1494

  • DOI: https://doi.org/10.1038/s41467-023-36995-y
  • Primary Citation of Related Structures:  
    7UOP, 7UP9, 7UPA, 7UPB, 7UPD, 7UPK

  • PubMed Abstract: 

    Nipah virus (NiV) is a pathogenic paramyxovirus that causes fatal encephalitis in humans. Two envelope glycoproteins, the attachment protein (G/RBP) and fusion protein (F), facilitate entry into host cells. Due to its vital role, NiV F presents an attractive target for developing vaccines and therapeutics. Several neutralization-sensitive epitopes on the NiV F apex have been described, however the antigenicity of most of the F protein's surface remains uncharacterized. Here, we immunize mice with prefusion-stabilized NiV F and isolate ten monoclonal antibodies that neutralize pseudotyped virus. Cryo-electron microscopy reveals eight neutralization-sensitive epitopes on NiV F, four of which have not previously been described. Novel sites span the lateral and basal faces of NiV F, expanding the known library of vulnerable epitopes. Seven of ten antibodies bind the Hendra virus (HeV) F protein. Multiple sequence alignment suggests that some of these newly identified neutralizing antibodies may also bind F proteins across the Henipavirus genus. This work identifies new epitopes as targets for therapeutics, provides a molecular basis for NiV neutralization, and lays a foundation for development of new cross-reactive antibodies targeting Henipavirus F proteins.


  • Organizational Affiliation

    Department of Molecular Biosciences, The University of Texas at Austin, 78712, Austin, TX, USA.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Fusion glycoprotein F0A [auth D],
D [auth A],
G [auth B]
480Henipavirus nipahenseMutation(s): 0 
UniProt
Find proteins for Q9IH63 (Nipah virus)
Explore Q9IH63 
Go to UniProtKB:  Q9IH63
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9IH63
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Fab 1A9 heavy chainB [auth H],
E [auth C],
H [auth E]
116Mus musculusMutation(s): 0 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Fab 1A9 light chainC [auth L],
F,
I [auth G]
107Mus musculusMutation(s): 0 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Welch FoundationUnited StatesF-0003-19620604

Revision History  (Full details and data files)

  • Version 1.0: 2023-03-29
    Type: Initial release
  • Version 1.1: 2024-01-31
    Changes: Data collection, Database references