3UIA | pdb_00003uia

Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein

• PDB DOI: https://doi.org/10.2210/pdb3UIA/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Human immunodeficiency virus type 1 (Z2/CDC-Z34 ISOLATE)
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-11-04 Released: 2013-05-08 
• Deposition Author(s): Liu, J., Lu, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.252 (Depositor), 0.251 (DCC) 
• R-Value Work: 
  0.212 (Depositor), 0.211 (DCC) 
• R-Value Observed: 
  0.214 (Depositor) 

Starting Model: experimental

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: 19.06 kDa 
• Atom Count: 1,480 
• Modeled Residue Count: 158 
• Deposited Residue Count: 159 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glycoprotein 41	A, B, C	53	Human immunodeficiency virus type 1 (Z2/CDC-Z34 ISOLATE)	Mutation(s): 2  Gene Names: env
UniProt
Find proteins for P12487 (Human immunodeficiency virus type 1 group M subtype D (isolate Z2/CDC-Z34)) Explore P12487  Go to UniProtKB:  P12487

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MPD	E [auth A], F [auth B], G [auth B], H [auth C]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.252 (Depositor), 0.251 (DCC) 
• R-Value Work:  0.212 (Depositor), 0.211 (DCC) 
• R-Value Observed: 0.214 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.027	α = 90
b = 76.316	β = 104.86
c = 65.731	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-08 
Deposition Author(s): Liu, J., Lu, M.

Revision History  

• Version 1.0: 2013-05-08
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description