6C54

Ebola nucleoprotein nucleocapsid-like assembly and the asymmetric unit

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 5.8 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

wwPDB Validation 3D Report Full Report


This is version 1.0 of the entry. See complete history. 

Literature

Electron Cryo-microscopy Structure of Ebola Virus Nucleoprotein Reveals a Mechanism for Nucleocapsid-like Assembly.

Su, Z., Wu, C., Shi, L., Luthra, P., Pintilie, G.D., Johnson, B., Porter, J.R., Ge, P., Chen, M., Liu, G., Frederick, T.E., Binning, J.M., Bowman, G.R., Zhou, Z.H., Basler, C.F., Gross, M.L., Leung, D.W., Chiu, W., Amarasinghe, G.K.

(2018) Cell 172: 966-978.e12

  • DOI: 10.1016/j.cell.2018.02.009

  • PubMed Abstract: 

    • Ebola virus nucleoprotein (eNP) assembles into higher-ordered structures that form the viral nucleocapsid (NC) and serve as the scaffold for viral RNA synthesis. However, molecular insights into the NC assembly process are lacking. Using a hybrid app ...

    Ebola virus nucleoprotein (eNP) assembles into higher-ordered structures that form the viral nucleocapsid (NC) and serve as the scaffold for viral RNA synthesis. However, molecular insights into the NC assembly process are lacking. Using a hybrid approach, we characterized the NC-like assembly of eNP, identified novel regulatory elements, and described how these elements impact function. We generated a three-dimensional structure of the eNP NC-like assembly at 5.8 Å using electron cryo-microscopy and identified a new regulatory role for eNP helices α22-α23. Biochemical, biophysical, and mutational analyses revealed that inter-eNP contacts within α22-α23 are critical for viral NC assembly and regulate viral RNA synthesis. These observations suggest that the N terminus and α22-α23 of eNP function as context-dependent regulatory modules (CDRMs). Our current study provides a framework for a structural mechanism for NC-like assembly and a new therapeutic target.

    Related Citations: 
    • An Intrinsically Disordered Peptide from Ebola Virus VP35 Controls Viral RNA Synthesis by Modulating Nucleoprotein-RNA Interactions.
      Leung, D.W.,Borek, D.,Luthra, P.,Binning, J.M.,Anantpadma, M.,Liu, G.,Harvey, I.B.,Su, Z.,Endlich-Frazier, A.,Pan, J.,Shabman, R.S.,Chiu, W.,Davey, R.A.,Otwinowski, Z.,Basler, C.F.,Amarasinghe, G.K.
      (2015) Cell Rep 11: 376

    Organizational Affiliation: 

    Department of Bioengineering and Department of Microbiology and Immunology, James H. Clark Center, Stanford University, Stanford, CA 94305, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Nucleoprotein
A, B
433Zaire ebolavirusMutation(s): 0 
Gene Names: NP
Find proteins for A0A1L7B8E4 (Zaire ebolavirus)
Go to UniProtKB:  A0A1L7B8E4
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 5.8 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 
Software Package:
Software NamePurpose
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots


View more in-depth experimental data

Entry History & Funding Information

Deposition Data

Funding OrganizationCountryGrant Number
National Institute of HealthUnited StatesP41GM103832
National Institute of HealthUnited StatesP41GM103422
National Institute of HealthUnited StatesR01GM12400701
National Institute of HealthUnited StatesU19AI109664
National Institute of HealthUnited StatesP01AI120943
National Institute of HealthUnited StatesR01GM080139
Department of the Defense, Defense Threat Reduction AgencyUnited StatesHDTRA1-16-1-0033

Revision History 

  • Version 1.0: 2018-03-07
    Type: Initial release