PDBe 2xk9

X-ray diffraction
2.35Å resolution

Structural analysis of checkpoint kinase 2 (Chk2) in complex with inhibitor PV1533

Released:

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:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine/threonine-protein kinase Chk2 Chain: A
Molecule details ›
Chain: A
Length: 322 amino acids
Theoretical weight: 36.43 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O96017 (Residues: 210-531; Coverage: 59%)
Gene names: CDS1, CHEK2, CHK2, RAD53
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: APS BEAMLINE 22-ID
Spacegroup: P3221
Unit cell:
a: 90.985Å b: 90.985Å c: 93.42Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.2 0.197 0.249
Expression system: Escherichia coli BL21(DE3)