3VTQ

Novel HIV fusion inhibitor

• PDB DOI: https://doi.org/10.2210/pdb3VTQ/pdb

• Classification: VIRAL PROTEIN/ANTIVIRAL PROTEIN
• Organism(s): Human immunodeficiency virus 1
• Mutation(s): Yes 


• Deposited: 2012-06-02 Released: 2013-06-26 
• Deposition Author(s): Yao, X., Waltersperger, S., Wang, M., Cui, S.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 0.218 
• R-Value Work: 0.196 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

Crystal structure of a novel HIV fusion inhibitor

Yao, X., Waltersperger, S., Wang, M., 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: 26.78 kDa 
• Atom Count: 2,163 
• Modelled Residue Count: 226 
• Deposited Residue Count: 231 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Envelope glycoprotein gp160	A [auth E], B [auth A], C [auth B]	38	Human immunodeficiency virus 1	Mutation(s): 2
UniProt
Find proteins for Q9YP39 (Human immunodeficiency virus 1) Explore Q9YP39  Go to UniProtKB:  Q9YP39

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
fusion inhibitor MT-Sifuvirtide	D, E [auth C], F	39	N/A	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 0.218 
• R-Value Work: 0.196 
• R-Value Observed: 0.197 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.99	α = 90
b = 47.858	β = 90
c = 109.891	γ = 90

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: 2013-06-26 
Deposition Author(s): Yao, X., Waltersperger, S., Wang, M., Cui, S.

Revision History  

• Version 1.0: 2013-06-26
  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