3PXK | pdb_00003pxk

FOCAL ADHESION KINASE CATALYTIC DOMAIN IN COMPLEX WITH Pyrrolo[2,3-d]thiazole

• PDB DOI: https://doi.org/10.2210/pdb3PXK/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2010-12-10 Released: 2011-12-21 
• Deposition Author(s): Koolman, H., Heinrich, T., Musil, D.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.79 Å
• R-Value Free: 
  0.216 (Depositor), 0.221 (DCC) 
• R-Value Work: 
  0.184 (Depositor), 0.191 (DCC) 
• R-Value Observed: 
  0.185 (Depositor) 

Starting Model: experimental

Literature

Co-crystal Structures of FAK with an Unprecedented Pyrrolo[2,3-d]thiazole

Koolman, H., Heinrich, T., Musil, D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global 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)

Macromolecule Content 

• Total Structure Weight: 65.14 kDa 
• Atom Count: 4,546 
• Modeled Residue Count: 514 
• Deposited Residue Count: 564 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PTK2 protein	A, B	282	Homo sapiens	Mutation(s): 1  Gene Names: PTK2 EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for Q05397 (Homo sapiens) Explore Q05397  Go to UniProtKB:  Q05397
PHAROS:  Q05397 GTEx:  ENSG00000169398

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PXK	C [auth A], E [auth B]	6-(4,4-dimethylpent-2-ynyl)-4~{H}-pyrrolo[2,3-d][1,3]thiazole C12 H14 N2 S JBYBLGDRQOCKRZ-UHFFFAOYSA-N
SO4	D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.79 Å
• R-Value Free:  0.216 (Depositor), 0.221 (DCC) 
• R-Value Work:  0.184 (Depositor), 0.191 (DCC) 
• R-Value Observed: 0.185 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.431	α = 98.16
b = 50.873	β = 101.98
c = 66.894	γ = 93.54

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
XDS	data reduction
BUSTER	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-12-21 
Deposition Author(s): Koolman, H., Heinrich, T., Musil, D.

Revision History  

• Version 1.0: 2011-12-21
  Type: Initial release
  
• Version 1.1: 2012-02-08
  Changes: Refinement description
• Version 1.2: 2018-04-18
  Changes: Data collection
• Version 2.0: 2020-02-19
  Changes: Atomic model, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 2.2: 2024-11-06
  Changes: Structure summary