3WSB

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

• PDB DOI: https://doi.org/10.2210/pdb3WSB/pdb

• Classification: TRANSFERASE/TRANSFERASE INHIBITOR
• Organism(s): Trypanosoma cruzi strain CL Brener
• 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: 2.40 Å
• R-Value Free: 0.277 
• R-Value Work: 0.216 

Starting Model: experimental

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: Asymmetric - C1 
Global Stoichiometry: Homo 4-mer - A4 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 generated by PISA (software)

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 5 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 170.36 kDa 
• Atom Count: 11,630 
• Modelled Residue Count: 1,364 
• Deposited Residue Count: 1,460 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Farnesyltransferase, putative	A, B, C, D	365	Trypanosoma cruzi strain CL Brener	Mutation(s): 1  Gene Names: Tc00.1047053508369.20 EC: 2.5.1.21
UniProt
Find proteins for Q4CWB4 (Trypanosoma cruzi (strain CL Brener)) Explore Q4CWB4  Go to UniProtKB:  Q4CWB4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FPS	E [auth A], G [auth B], I [auth C], K [auth D]	S-[(2E,6E)-3,7,11-TRIMETHYLDODECA-2,6,10-TRIENYL] TRIHYDROGEN THIODIPHOSPHATE C15 H28 O6 P2 S MYMLCRQRXFRQGP-YFVJMOTDSA-N
RWZ	F [auth A], H [auth B], J [auth C], L [auth D]	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: 2.40 Å
• R-Value Free: 0.277 
• R-Value Work: 0.216 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.361	α = 90
b = 130.566	β = 90
c = 144.63	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