PDBe 2xbj

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR

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: 329 amino acids
Theoretical weight: 37.11 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O96017 (Residues: 209-531; Coverage: 60%)
  • Best match: O96017-13 (Residues: 1-310)
Gene names: CDS1, CHEK2, CHK2, RAD53
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P3221
Unit cell:
a: 91.1Å b: 91.1Å c: 92.96Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.196 0.194 0.243
Expression system: Escherichia coli