3J0G

Homology model of E3 protein of Venezuelan Equine Encephalitis Virus TC-83 strain fitted with a cryo-EM map


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

4.4 A cryo-EM structure of an enveloped alphavirus Venezuelan equine encephalitis virus.

Zhang, R.Hryc, C.F.Cong, Y.Liu, X.Jakana, J.Gorchakov, R.Baker, M.L.Weaver, S.C.Chiu, W.

(2011) EMBO J 

  • DOI: 10.1038/emboj.2011.261
  • Primary Citation of Related Structures:  
    3J0C, 3J0G

  • PubMed Abstract: 
  • Venezuelan equine encephalitis virus (VEEV), a member of the membrane-containing Alphavirus genus, is a human and equine pathogen, and has been developed as a biological weapon. Using electron cryo-microscopy (cryo-EM), we determined the structure of an attenuated vaccine strain, TC-83, of VEEV to 4 ...

    Venezuelan equine encephalitis virus (VEEV), a member of the membrane-containing Alphavirus genus, is a human and equine pathogen, and has been developed as a biological weapon. Using electron cryo-microscopy (cryo-EM), we determined the structure of an attenuated vaccine strain, TC-83, of VEEV to 4.4 Å resolution. Our density map clearly resolves regions (including E1, E2 transmembrane helices and cytoplasmic tails) that were missing in the crystal structures of domains of alphavirus subunits. These new features are implicated in the fusion, assembly and budding processes of alphaviruses. Furthermore, our map reveals the unexpected E3 protein, which is cleaved and generally thought to be absent in the mature VEEV. Our structural results suggest a mechanism for the initial stage of nucleocapsid core formation, and shed light on the virulence attenuation, host recognition and neutralizing activities of VEEV and other alphavirus pathogens.


    Organizational Affiliation

    Graduate Program in Structural and Computational Biology and Molecular Biophysics, Baylor College of Medicine, Houston, TX, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
E3 protein MNOP59Venezuelan equine encephalitis virus (strain TC-83)Mutation(s): 0 
EC: 3.4.21.90
Find proteins for P05674 (Venezuelan equine encephalitis virus (strain TC-83))
Explore P05674 
Go to UniProtKB:  P05674
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-08-24
    Type: Initial release
  • Version 1.1: 2013-07-17
    Changes: Other
  • Version 1.2: 2018-07-18
    Changes: Data collection