Biological Assembly 1  

 3D View: Structure | Electron Density

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 35.07 kDa 
• Atom Count: 2253 
• Residue Count: 259 
• Unique protein chains: 1

2I8B

Crystal structure of the C-terminal domain of Ebola virus VP30

• DOI: 10.2210/pdb2I8B/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Zaire ebolavirus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-09-01 Released: 2007-01-23 
• Deposition Author(s): Muziol, T.M., Hartlieb, B., Becker, S., Weissenhorn, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.241 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 

Literature

Crystal structure of the C-terminal domain of Ebola virus VP30 reveals a role in transcription and nucleocapsid association.

Hartlieb, B., Muziol, T., Weissenhorn, W., Becker, S.

(2007) Proc Natl Acad Sci U S A 104: 624-629

• PubMed: 17202263 
• DOI: 10.1073/pnas.0606730104
• Primary Citation of Related Structures:  
  2I8B


• PubMed Abstract: 
  

Transcription of the highly pathogenic Ebola virus depends on VP30, a nucleocapsid-associated Ebola virus-specific transcription factor. The transcription activator VP30 was shown to play an essential role in Ebola virus replication, most likely by stabilizing nascent mRNA. Here we present the crystal structure of the C-terminal domain (CTD) of VP30 (VP30(CTD)) at 2.0-A resolution. VP30(CTD) folds independently into a dimeric helical assembly. The VP30(CTD) dimers assemble into hexamers that are present in virions, by an oligomerization domain located in the N terminus of VP30. Mutagenesis of conserved charged amino acids on VP30(CTD) revealed that two regions, namely a basic cluster around Lys-180 and Glu-197, are required for nucleocapsid interaction. However, only mutagenesis of the basic cluster was shown to impair transcription activation, suggesting that both processes are regulated independently. The structure and the mutagenesis results reveal a potential pocket for small-molecule inhibitors that might prevent VP30 activity and thus virus propagation as it has been shown previously by peptides, which interfere with VP30 homooligomerization.

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Organizational Affiliation: 

European Molecular Biology Laboratory (EMBL), 6 Rue Jules Horowitz, 38042 Grenoble, France.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Minor nucleoprotein VP30	A, B	152	Zaire ebolavirus	Mutation(s): 2  Gene Names: VP30
Find proteins for Q77DJ5 (Zaire ebolavirus (strain Kikwit-95)) Explore Q77DJ5  Go to UniProtKB:  Q77DJ5

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A,B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.241 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.37	α = 90
b = 63.59	β = 90
c = 80.43	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
ProDC	data collection
XDS	data reduction
XSCALE	data scaling
CCP4	data scaling
SnB	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2006-09-01 
• Released Date: 2007-01-23 
Deposition Author(s): Muziol, T.M., Hartlieb, B., Becker, S., Weissenhorn, W.

Revision History 

• Version 1.0: 2007-01-23
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description