8QCD

STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA'; CSNK2A2 GENE PRODUCT) IN COMPLEX WITH THE INHIBITOR 4,5,6,7-TETRABROMOBENZOTRIAZOLE

• PDB DOI: https://doi.org/10.2210/pdb8QCD/pdb

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


• Deposited: 2023-08-25 Released: 2023-12-06 
• Deposition Author(s): Werner, C., Niefind, K.
• Funding Organization(s): German Research Foundation (DFG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.03 Å
• R-Value Free: 0.156 
• R-Value Work: 0.144 
• R-Value Observed: 0.144 

Starting Model: experimental

Literature

Discovery and Exploration of Protein Kinase CK2 Binding Sites Using CK2alpha Cys336Ser as an Exquisite Crystallographic Tool

Werner, C., Lindenblatt, D., Viht, K., Uri, A., Niefind, K.

(2023) Kinases Phosphatases 

• DOI: https://doi.org/10.3390/kinasesphosphatases1040018

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 43.5 kDa 
• Atom Count: 3,307 
• Modelled Residue Count: 327 
• Deposited Residue Count: 364 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Casein kinase II subunit alpha'	A	364	Homo sapiens	Mutation(s): 1  Gene Names: CSNK2A2, CK2A2 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P19784 (Homo sapiens) Explore P19784  Go to UniProtKB:  P19784
PHAROS:  P19784 GTEx:  ENSG00000070770

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TBS (Subject of Investigation/LOI)	C [auth A]	4,5,6,7-TETRABROMOBENZOTRIAZOLE C6 H Br4 N3 OMZYUVOATZSGJY-UHFFFAOYSA-N
EDO	B [auth A], D [auth A], E [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.03 Å
• R-Value Free: 0.156 
• R-Value Work: 0.144 
• R-Value Observed: 0.144 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.338	α = 113.48
b = 47.701	β = 90.45
c = 50.342	γ = 90.17

Software Package:

Software Name	Purpose
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-06 
Deposition Author(s): Werner, C., Niefind, K.

---

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	NI 643/11-1
German Research Foundation (DFG)	Germany	NI 643/4-2

Revision History  

• Version 1.0: 2023-12-06
  Type: Initial release