1WCE

Crystal structure of the T13 IBDV viral particle reveals a missing link in icosahedral viruses evolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 7 Å

wwPDB Validation 3D Report Full Report


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Literature

The Birnavirus Crystal Structure Reveals Structural Relationships Among Icosahedral Viruses.

Coulibaly, F.Chevalier, C.Gutsche, I.Pous, J.Navaza, J.Bressanelli, S.Delmas, B.Rey, F.A.

(2005) Cell 120: 761

  • DOI: 10.1016/j.cell.2005.01.009
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Double-stranded RNA virions are transcriptionally competent icosahedral particles that must translocate across a lipid bilayer to function within the cytoplasm of the target cell. Birnaviruses are unique among dsRNA viruses as they have a single T = ...

    Double-stranded RNA virions are transcriptionally competent icosahedral particles that must translocate across a lipid bilayer to function within the cytoplasm of the target cell. Birnaviruses are unique among dsRNA viruses as they have a single T = 13 icosahedral shell, lacking the characteristic inner capsid observed in the others. We determined the crystal structures of the T = 1 subviral particle (260 angstroms in diameter) and of the T = 13 intact virus particle (700 angstroms in diameter) of an avian birnavirus to 3 angstroms and 7 angstroms resolution, respectively. Our results show that VP2, the only component of the virus icosahedral capsid, is homologous both to the capsid protein of positive-strand RNA viruses, like the T = 3 nodaviruses, and to the T = 13 capsid protein of members of the Reoviridae family of dsRNA viruses. Together, these results provide important insights into the multiple functions of the birnavirus capsid and reveal unexpected structural relationships among icosahedral viruses.


    Organizational Affiliation

    Laboratoire de Virologie Mol├ęculaire et Structurale, UMR 2472/1157 CNRS-INRA and IFR 115, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
MAJOR STRUCTURAL PROTEIN VP2
A, B, C, D, E, F, G, H, I, J, K, L, M
441Avian infectious bursal disease virus (strain Cu-1)Mutation(s): 0 
Find proteins for P15480 (Avian infectious bursal disease virus (strain Cu-1))
Go to UniProtKB:  P15480
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 7 Å
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 854.010α = 90.00
b = 692.230β = 90.00
c = 792.410γ = 90.00
Software Package:
Software NamePurpose
CNSrefinement
UROphasing
AMoREphasing
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2005-04-06
    Type: Initial release