3W19

Potent HIV fusion inhibitor CP32M-2

• PDB DOI: https://doi.org/10.2210/pdb3W19/pdb

• Classification: MEMBRANE PROTEIN/INHIBITOR
• Organism(s): Human immunodeficiency virus 1
• Mutation(s): Yes 


• Deposited: 2012-11-13 Released: 2013-12-11 
• Deposition Author(s): Yao, X., Waltersperger, S., Wang, M.T., Cui, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.28 Å
• R-Value Free: 
  0.172 (Depositor), 0.160 (DCC) 
• R-Value Work: 
  0.155 (Depositor), 0.150 (DCC) 
• R-Value Observed: 
  0.156 (Depositor) 

Starting Model: experimental

Literature

Optimization of novel anti-HIV fusion inhibitor

Yao, X., Waltersperger, S., Wang, M.T., Cui, S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content

• Total Structure Weight: 8.34 kDa 
• Atom Count: 706 
• Modelled Residue Count: 69 
• Deposited Residue Count: 69 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transmembrane protein gp41	A [auth C]	40	Human immunodeficiency virus 1	Mutation(s): 2
UniProt
Find proteins for P03375 (Human immunodeficiency virus type 1 group M subtype B (isolate BH10)) Explore P03375  Go to UniProtKB:  P03375

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
fusion inhibitor CP32M-2	B [auth D]	29	N/A	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.28 Å
• R-Value Free:  0.172 (Depositor), 0.160 (DCC) 
• R-Value Work:  0.155 (Depositor), 0.150 (DCC) 
• R-Value Observed: 0.156 (Depositor) 

Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.488	α = 90
b = 44.488	β = 90
c = 208.741	γ = 120

Software Package:

Software Name	Purpose
RemDAq	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-12-11 
Deposition Author(s): Yao, X., Waltersperger, S., Wang, M.T., Cui, S.

Revision History  

• Version 1.0: 2013-12-11
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-10-16
  Changes: Structure summary