PDBe 1j91

X-ray diffraction
2.22Å resolution

Crystal structure of Z. mays CK2 kinase alpha subunit in complex with the ATP-competitive inhibitor 4,5,6,7-tetrabromobenzotriazole


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 Chains: A, B
Molecule details ›
Chains: A, B
Length: 332 amino acids
Theoretical weight: 39.29 KDa
Source organism: Zea mays
Expression system: Escherichia coli
  • Canonical: P28523 (Residues: 1-332; Coverage: 100%)
Gene name: ACK2
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELETTRA BEAMLINE 5.2R
Spacegroup: P1
Unit cell:
a: 48.255Å b: 55.943Å c: 60.302Å
α: 89.77° β: 102.51° γ: 99.27°
R R work R free
0.205 0.205 0.268
Expression system: Escherichia coli