PDBe 1lpu

X-ray diffraction
1.86Å resolution

Low Temperature Crystal Structure of the Apo-form of the catalytic subunit of protein kinase CK2 from Zea mays


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: 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: ENRAF-NONIUS FR571
Spacegroup: C2
Unit cell:
a: 143.19Å b: 59.758Å c: 45.082Å
α: 90° β: 103.41° γ: 90°
R R work R free
0.206 0.204 0.248
Expression system: Escherichia coli