5I5O

Crystal Structure of N-terminal Domain of Matrix Protein of Thogoto Virus at Neutral pH.

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.68 Å
  • R-Value Free: 0.285 
  • R-Value Work: 0.271 
  • R-Value Observed: 0.273 

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This is version 1.2 of the entry. See complete history. 


Literature

pH-dependent conformational changes of a Thogoto virus matrix protein reveal mechanisms of viral assembly and uncoating

Yang, M., Feng, F., Liu, Y., Wang, H., Yang, Z., Hou, W., Liang, H.

(2016) J Gen Virol 97: 2149-2156

  • DOI: 10.1099/jgv.0.000551
  • Primary Citation of Related Structures:  
    5I5N, 5I5O

  • PubMed Abstract: 

    • Orthomyxoviruses are a family of ssRNA virus, including influenza virus, infectious salmon anaemia virus and Thogoto virus. The matrix proteins of orthomyxoviruses play crucial roles in some essential processes of the viral life cycle. However, the mechanisms of the matrix proteins involved in these processes remain incompletely understood ...

    Orthomyxoviruses are a family of ssRNA virus, including influenza virus, infectious salmon anaemia virus and Thogoto virus. The matrix proteins of orthomyxoviruses play crucial roles in some essential processes of the viral life cycle. However, the mechanisms of the matrix proteins involved in these processes remain incompletely understood. Currently, only the structure and function of the matrix protein from influenza virus have been studied. Here, we present the crystal structures of the N-terminal domain of matrix protein from Thogoto virus at pH 7.0 and 4.5. By analysing the structures, we identified the conformational changes of monomers and dimers in different pH conditions, mainly caused by two flexible loops, L3 and L5. These structural deviations would reflect the basis of viral capsid assembly or disassembly.

    Organizational Affiliation: 

    National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, PR China.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Matrix protein A, B154Thogoto thogotovirusMutation(s): 0 
Find proteins for Q80A33 (Thogoto virus (isolate SiAr 126))
Explore Q80A33 
Go to UniProtKB:  Q80A33
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.68 Å
  • R-Value Free: 0.285 
  • R-Value Work: 0.271 
  • R-Value Observed: 0.273 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 37.037α = 90
b = 73.298β = 90
c = 94.215γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-3000data reduction
PHENIXphasing
PHENIXmodel building
HKL-3000data processing
HKL-3000data scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2016-08-17
    Type: Initial release
  • Version 1.1: 2016-10-12
    Changes: Database references
  • Version 1.2: 2017-09-27
    Changes: Data collection, Database references, Derived calculations