9FED | pdb_00009fed

Single-chain chimeric protein mimicking the interaction between HR1 and HR2 in HIV gp41

• PDB DOI: https://doi.org/10.2210/pdb9FED/pdb

• Classification: VIRAL PROTEIN
• Organism(s): HIV-1 06TG.HT008
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-05-18 Released: 2025-05-28 
• Deposition Author(s): Camara-Artigas, A., Gavira, J.A., Conejero-Lara, F., Polo-Megias, D.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.258 (Depositor), 0.269 (DCC) 
• R-Value Work: 
  0.212 (Depositor), 0.217 (DCC) 
• R-Value Observed: 
  0.214 (Depositor) 

Starting Model: experimental

Literature

Single-chain chimeric protein mimicking the interaction between HR1 and HR2 in HIV gp41

Camara-Artigas, A., Gavira, J.A., Conejero-Lara, F., Polo-Megias, D., Lestani, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: light scattering

Macromolecule Content 

• Total Structure Weight: 23.68 kDa 
• Atom Count: 1,492 
• Modeled Residue Count: 184 
• Deposited Residue Count: 205 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chains: A	A	205	HIV-1 06TG.HT008	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.258 (Depositor), 0.269 (DCC) 
• R-Value Work:  0.212 (Depositor), 0.217 (DCC) 
• R-Value Observed: 0.214 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.363	α = 90
b = 79.36	β = 100.39
c = 56.841	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-05-28 
Deposition Author(s): Camara-Artigas, A., Gavira, J.A., Conejero-Lara, F., Polo-Megias, D.

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Funding Organization	Location	Grant Number
Other government	Spain	CV20.26565

Revision History  

• Version 1.0: 2025-05-28
  Type: Initial release