1q4o

X-ray diffraction
2.2Å resolution

The structure of the polo box domain of human Plk1

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-156752 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine/threonine-protein kinase PLK1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 237 amino acids
Theoretical weight: 27.27 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P53350 (Residues: 367-603; Coverage: 39%)
Gene names: PLK, PLK1
Sequence domains: POLO box duplicated region
Structure domains: POLO box domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELETTRA BEAMLINE 5.2R, ESRF BEAMLINE ID29
Spacegroup: P1
Unit cell:
a: 32.741Å b: 42.021Å c: 80.727Å
α: 103.16° β: 93.88° γ: 91.32°
R-values:
R R work R free
0.203 0.198 0.288
Expression system: Escherichia coli