1q4k

X-ray diffraction
2.3Å resolution

The polo-box domain of Plk1 in complex with a phospho-peptide

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:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-156753 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine/threonine-protein kinase PLK1 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 259 amino acids
Theoretical weight: 29.86 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P53350 (Residues: 345-603; Coverage: 43%)
Gene names: PLK, PLK1
Sequence domains: POLO box duplicated region
Structure domains: POLO box domain
Phospho-peptide sequence Met.Gln.Ser.pThr.Pro.Leu Chains: D, E, F
Molecule details ›
Chains: D, E, F
Length: 6 amino acids
Theoretical weight: 756 Da
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P1
Unit cell:
a: 57.071Å b: 56.888Å c: 85.05Å
α: 91.45° β: 103.21° γ: 118.5°
R-values:
R R work R free
0.248 0.245 0.312
Expression systems:
  • Escherichia coli
  • Not provided