3WSA

The Tuberculosis Drug SQ109 Inhibits Trypanosoma cruzi Cell Proliferation and acts Synergistically with Posaconazole

• PDB DOI:  https://doi.org/10.2210/pdb3WSA/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2014-03-05 Released: 2015-04-01 
• Deposition Author(s): Shang, N., Li, Q., Huang, C.H., Oldfield, E., Guo, R.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.261 
• R-Value Work: 0.206 

Literature

The Tuberculosis Drug SQ109 Inhibits Trypanosoma cruzi Cell Proliferation and acts Synergistically with Posaconazole

Shang, N., Li, Q., Huang, C.H., Oldfield, E., Guo, R.T.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 249.06 kDa 
• Atom Count: 16,279 
• Modelled Residue Count: 1,976 
• Deposited Residue Count: 2,160 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Squalene synthase	A, B, C, D, E, F	360	Homo sapiens	Mutation(s): 3  Gene Names: FDFT1 EC: 2.5.1.21
UniProt & NIH Common Fund Data Resources
Find proteins for P37268 (Homo sapiens) Explore P37268  Go to UniProtKB:  P37268
PHAROS:  P37268

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
RWZ	G [auth A], H [auth B], I [auth C], J [auth E]	N-[(2Z)-3,7-dimethylocta-2,6-dien-1-yl]-N'-[(1R,3S,5R,7R)-tricyclo[3.3.1.1~3,7~]dec-2-yl]ethane-1,2-diamine C22 H38 N2 JFIBVDBTCDTBRH-MDXVBTBDSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.261 
• R-Value Work: 0.206 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.75	α = 90
b = 154.006	β = 91.38
c = 90.615	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-04-01 
Deposition Author(s): Shang, N., Li, Q., Huang, C.H., Oldfield, E., Guo, R.T.

Revision History  

• Version 1.0: 2015-04-01
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description