9Z0I | pdb_00009z0i

E2 Refolding into Soluble Protein after Dissociation from Viral Membrane and E1 during Sindbis Virus Fusion

• PDB DOI: https://doi.org/10.2210/pdb9Z0I/pdb
• EM Map EMD-73709: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Sindbis virus
• Mutation(s): No 


• Deposited: 2025-11-01 Released: 2026-11-11 
• Deposition Author(s): Cheng, A.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.87 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

E2 Refolding into Soluble Protein after Dissociation from Viral Membrane and E1 during Sindbis Virus Fusion

Cheng, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 140.95 kDa 
• Atom Count: 9,885 
• Modeled Residue Count: 1,269 
• Deposited Residue Count: 1,269 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike glycoprotein E2	A, B, C	423	Sindbis virus	Mutation(s): 0
UniProt
Find proteins for P03316 (Sindbis virus) Explore P03316  Go to UniProtKB:  P03316

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.87 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC
MODEL REFINEMENT	PHENIX	1.21.2_5419+SVN

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-11-11 
Deposition Author(s): Cheng, A.

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Funding Organization	Location	Grant Number
Not funded	United States	--

Revision History  

• Version 1.0: 2026-11-11
  Type: Initial release