PDBe 3mb6

X-ray diffraction
1.75Å resolution

Human CK2 catalytic domain in complex with a difurane derivative inhibitor (CPA)


Function and Biology Details

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein. 
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Casein kinase II subunit alpha Chain: A
Molecule details ›
Chain: A
Length: 331 amino acids
Theoretical weight: 39.65 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P68400 (Residues: 1-331; Coverage: 85%)
Gene names: CK2A1, CSNK2A1
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P21
Unit cell:
a: 58.776Å b: 45.787Å c: 63.673Å
α: 90° β: 111.65° γ: 90°
R R work R free
0.186 0.182 0.229
Expression system: Escherichia coli