4GUB

Casein Kinase II bound to Inhibitor

• PDB DOI: https://doi.org/10.2210/pdb4GUB/pdb

• Classification: Transferase/transferase inhibitor
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-08-29 Released: 2013-09-25 
• Deposition Author(s): Larsen, N.A., Dowling, J.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.238 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Literature

Potent and selective inhibitors of CK2 kinase.

Dowling, J.E., Larsen, N.A.

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)

Macromolecule Content

• Total Structure Weight: 40.32 kDa 
• Atom Count: 3,077 
• Modelled Residue Count: 329 
• Deposited Residue Count: 333 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Casein kinase II subunit alpha	A	333	Homo sapiens	Mutation(s): 0  Gene Names: CSNK2A1, CK2A1 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P68400 (Homo sapiens) Explore P68400  Go to UniProtKB:  P68400
PHAROS:  P68400 GTEx:  ENSG00000101266

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
0Y4	B [auth A]	N-[5-({3-cyano-7-[(1-methyl-1H-imidazol-4-yl)amino]pyrazolo[1,5-a]pyrimidin-5-yl}amino)-2-methylphenyl]acetamide C20 H19 N9 O BVIIISKMMOOOPF-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.238 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.637	α = 90
b = 141.728	β = 90
c = 49.112	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
AMoRE	phasing
BUSTER	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-09-25 
Deposition Author(s): Larsen, N.A., Dowling, J.E.

Revision History  

• Version 1.0: 2013-09-25
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations