4HLR

Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein

• PDB DOI: https://doi.org/10.2210/pdb4HLR/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Human immunodeficiency virus 1
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2012-10-17 Released: 2013-10-30 
• Deposition Author(s): Liu, J., Lu, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.57 Å
• R-Value Free: 0.240 
• R-Value Work: 0.194 
• R-Value Observed: 0.198 

Literature

Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein

Liu, J., Li, Q., Dey, A.K., Moore, J.P., Lu, M.

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 PISA (software)

Macromolecule Content

• Total Structure Weight: 4.05 kDa 
• Atom Count: 319 
• Modelled Residue Count: 31 
• Deposited Residue Count: 33 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gp41	A	33	Human immunodeficiency virus 1	Mutation(s): 2  Gene Names: env
UniProt
Find proteins for Q9YYZ1 (Human immunodeficiency virus 1) Explore Q9YYZ1  Go to UniProtKB:  Q9YYZ1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEZ	B [auth A]	HEXANE-1,6-DIOL C6 H14 O2 XXMIOPMDWAUFGU-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.57 Å
• R-Value Free: 0.240 
• R-Value Work: 0.194 
• R-Value Observed: 0.198 
• Space Group: P 3 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.347	α = 90
b = 45.347	β = 90
c = 42.091	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-10-30 
Deposition Author(s): Liu, J., Lu, M.

Revision History  

• Version 1.0: 2013-10-30
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description