4ib5

X-ray diffraction
2.2Å resolution

Structure of human protein kinase CK2 catalytic subunit in complex with a CK2beta-competitive cyclic peptide

Released:

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
monomeric
PDBe Complex ID:
PDB-CPX-159385 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Casein kinase II subunit alpha Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 335 amino acids
Theoretical weight: 40.07 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P68400 (Residues: 1-335; Coverage: 86%)
Gene names: CK2A1, CSNK2A1
Sequence domains: Protein kinase domain
Structure domains:
CK2beta-derived cyclic peptide Chains: D, E, F, G
Molecule details ›
Chains: D, E, F, G
Length: 13 amino acids
Theoretical weight: 1.41 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P212121
Unit cell:
a: 77.38Å b: 105.42Å c: 152.11Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.177 0.218
Expression systems:
  • Escherichia coli
  • Not provided