8PHZ

Helical reconstruction of CHIKV nsP3 helical scaffolds

• PDB DOI: https://doi.org/10.2210/pdb8PHZ/pdb
• EM Map EMD-17678: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Chikungunya virus strain S27-African prototype
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2023-06-20 Released: 2024-08-14 
• Deposition Author(s): Reguera, J., Hons, M., Zimberger, C., Ptchelkine, D., Jones, R., Desfosses, A.
• Funding Organization(s): Agence Nationale de la Recherche (ANR), ATIP-Avenir

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.35 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Literature

The alphavirus nsP3 protein forms helical tubular scaffolds important for viral replication and particle assembly

Reguera, J., Hons, M., Zimberger, C., Ptchelkine, D., Jones, R., Desfosses, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 5-mer - A5 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 287.42 kDa 
• Atom Count: 5,315 
• Modelled Residue Count: 680 
• Deposited Residue Count: 2,615 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-structural protein 3	A, B, C, D, E	523	Chikungunya virus strain S27-African prototype	Mutation(s): 0  EC: 3.1.3.84
UniProt
Find proteins for Q8JUX6 (Chikungunya virus (strain S27-African prototype)) Explore Q8JUX6  Go to UniProtKB:  Q8JUX6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	F [auth A], G [auth B], H [auth C], I [auth D], J [auth E]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.35 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-14 
Deposition Author(s): Reguera, J., Hons, M., Zimberger, C., Ptchelkine, D., Jones, R., Desfosses, A.

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Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	ANR-22-CE11-0023-01
ATIP-Avenir	France	2015

Revision History  

• Version 1.0: 2024-08-14
  Type: Initial release