4WA3

The crystal structure of neuraminidase from a H3N8 influenza virus isolated from New England harbor seals

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.174 
  • R-Value Work: 0.163 
  • R-Value Observed: 0.164 

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Literature

Structural and Functional Analysis of Surface Proteins from an A(H3N8) Influenza Virus Isolated from New England Harbor Seals.

Yang, H., Nguyen, H.T., Carney, P.J., Guo, Z., Chang, J.C., Jones, J., Davis, C.T., Villanueva, J.M., Gubareva, L.V., Stevens, J.

(2015) J Virol 89: 2801-2812

  • DOI: https://doi.org/10.1128/JVI.02723-14
  • Primary Citation of Related Structures:  
    4WA1, 4WA2, 4WA3, 4WA4, 4WA5

  • PubMed Abstract: 

    In late 2011, an A(H3N8) influenza virus infection resulted in the deaths of 162 New England harbor seals. Virus sequence analysis and virus receptor binding studies highlighted potential markers responsible for mammalian adaptation and a mixed receptor binding preference (S. J. Anthony, J. A. St Leger, K. Pugliares, H. S. Ip, J. M. Chan, Z. W. Carpenter, I. Navarrete-Macias, M. Sanchez-Leon, J. T. Saliki, J. Pedersen, W. Karesh, P. Daszak, R. Rabadan, T. Rowles, W. I. Lipkin, MBio 3:e00166-00112, 2012, http://dx.doi.org/10.1128/mBio.00166-12). Here, we present a detailed structural and biochemical analysis of the surface antigens of the virus. Results obtained with recombinant proteins for both the hemagglutinin and neuraminidase indicate a true avian receptor binding preference. Although the detection of this virus in new species highlights an increased potential for cross-species transmission, our results indicate that the A(H3N8) virus currently poses a low risk to humans.

    • Organizational Affiliation: 

    Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.


Macromolecules
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Neuraminidase388Influenza A virus (A/harbor seal/Massachusetts/1/2011(H3N8))Mutation(s): 0 
Gene Names: NA
UniProt
Find proteins for I6NW33 (Influenza A virus)
Explore I6NW33 
Go to UniProtKB:  I6NW33
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupI6NW33
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.174 
  • R-Value Work: 0.163 
  • R-Value Observed: 0.164 
  • Space Group: I 4
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 90.816α = 90
b = 90.816β = 90
c = 110.449γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data scaling
PHASERphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2015-01-14
    Type: Initial release
  • Version 1.1: 2015-02-18
    Changes: Database references
  • Version 1.2: 2017-11-22
    Changes: Database references, Derived calculations, Other, Refinement description, Source and taxonomy, Structure summary
  • Version 1.3: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Derived calculations, Refinement description, Structure summary
  • Version 1.4: 2023-09-27
    Changes: Data collection, Database references, Refinement description, Structure summary