X-ray diffraction
1.5Å resolution

Crystal structure of Z. mays CK2 alpha subunit in complex with the inhibitor 4,5,6,7-tetrabromo-1-carboxymethylbenzimidazole (K68)


Function and Biology Details

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Biological process:
Cellular component:

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: 39.18 KDa
Source organism: Zea mays
Expression system: Escherichia coli
  • Canonical: P28523 (Residues: 2-332; Coverage: 100%)
Gene name: ACK2
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: C2
Unit cell:
a: 142.876Å b: 60.041Å c: 45.046Å
α: 90° β: 103.21° γ: 90°
R R work R free
0.183 0.182 0.211
Expression system: Escherichia coli