5AJQ | pdb_00005ajq

Human LOK (STK10) in complex with Bosutinib

• PDB DOI: https://doi.org/10.2210/pdb5AJQ/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-02-26 Released: 2015-03-11 
• Deposition Author(s): Elkins, J.M., Salah, E., Pinkas, D.M., Krojer, T., Kopec, J., Bountra, C., Edwards, A.M., Knapp, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.257 (Depositor), 0.254 (DCC) 
• R-Value Work: 
  0.217 (Depositor), 0.219 (DCC) 
• R-Value Observed: 
  0.219 (Depositor) 

Literature

Stk10 with Bosutinib

Elkins, J.M., Salah, E., Knapp, S.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 68.03 kDa 
• Atom Count: 4,349 
• Modeled Residue Count: 547 
• Deposited Residue Count: 590 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SERINE/THREONINE-PROTEIN KINASE 10	A, B	295	Homo sapiens	Mutation(s): 0  EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O94804 (Homo sapiens) Explore O94804  Go to UniProtKB:  O94804
PHAROS:  O94804 GTEx:  ENSG00000072786

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DB8	C [auth A], F [auth B]	4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline-3-carbonitrile C26 H29 Cl2 N5 O3 UBPYILGKFZZVDX-UHFFFAOYSA-N
EDO	E [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Binding Affinity Annotations
ID	Source	Binding Affinity
DB8	BindingDB:  5AJQ	Kd: 7 (nM) from 1 assay(s)
		IC50: 52 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.257 (Depositor), 0.254 (DCC) 
• R-Value Work:  0.217 (Depositor), 0.219 (DCC) 
• R-Value Observed: 0.219 (Depositor) 

Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.19	α = 90
b = 108.1	β = 90
c = 144.27	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-03-11 
Deposition Author(s): Elkins, J.M., Salah, E., Pinkas, D.M., Krojer, T., Kopec, J., Bountra, C., Edwards, A.M., Knapp, S.

Revision History  

• Version 1.0: 2015-03-11
  Type: Initial release
  
• Version 1.1: 2015-04-08
  Changes: Structure summary
• Version 1.2: 2024-10-23
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description, Structure summary