5XHV

Crystal Structure Of Fab S40 In Complex With Influenza Hemagglutinin, HA1 subunit.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.35 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.230 
  • R-Value Observed: 0.232 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

High throughput discovery of influenza virus neutralizing antibodies from phage-displayed synthetic antibody libraries.

Chen, I.C.Chiu, Y.K.Yu, C.M.Lee, C.C.Tung, C.P.Tsou, Y.L.Huang, Y.J.Lin, C.L.Chen, H.S.Wang, A.H.Yang, A.S.

(2017) Sci Rep 7: 14455-14455

  • DOI: https://doi.org/10.1038/s41598-017-14823-w
  • Primary Citation of Related Structures:  
    5XHV

  • PubMed Abstract: 

    Pandemic and epidemic outbreaks of influenza A virus (IAV) infection pose severe challenges to human society. Passive immunotherapy with recombinant neutralizing antibodies can potentially mitigate the threats of IAV infection. With a high throughput neutralizing antibody discovery platform, we produced artificial anti-hemagglutinin (HA) IAV-neutralizing IgGs from phage-displayed synthetic scFv libraries without necessitating prior memory of antibody-antigen interactions or relying on affinity maturation essential for in vivo immune systems to generate highly specific neutralizing antibodies. At least two thirds of the epitope groups of the artificial anti-HA antibodies resemble those of natural protective anti-HA antibodies, providing alternatives to neutralizing antibodies from natural antibody repertoires. With continuing advancement in designing and constructing synthetic scFv libraries, this technological platform is useful in mitigating not only the threats of IAV pandemics but also those from other newly emerging viral infections.


  • Organizational Affiliation

    Genomics Research Center, Academia Sinica, 115, Taipei, Taiwan.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
HemagglutininA,
B [auth E]
324Influenza A virus (A/California/07/2009(H1N1))Mutation(s): 0 
Gene Names: HA
UniProt
Find proteins for C3W5X2 (Influenza A virus)
Explore C3W5X2 
Go to UniProtKB:  C3W5X2
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupC3W5X2
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
S40 heavy chainC [auth H],
E [auth P]
229Homo sapiensMutation(s): 0 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
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  • Reference Sequence
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
S40 light chainD [auth L],
F [auth Q]
214Homo sapiensMutation(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: X-RAY DIFFRACTION
  • Resolution: 3.35 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.230 
  • R-Value Observed: 0.232 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 200.395α = 90
b = 133.64β = 110.47
c = 133.136γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data processing
HKL-2000data scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2017-11-15
    Type: Initial release
  • Version 1.1: 2023-11-22
    Changes: Data collection, Database references, Refinement description