PDBe 3ot3

X-ray diffraction
1.44Å resolution

X-ray crystal structure of compound 22k bound to human Chk1 kinase domain

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:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine/threonine-protein kinase Chk1 Chain: A
Molecule details ›
Chain: A
Length: 273 amino acids
Theoretical weight: 31.46 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O14757 (Residues: 2-274; Coverage: 57%)
Gene names: CHEK1, CHK1
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 17-BM
Spacegroup: P21
Unit cell:
a: 44.83Å b: 65.78Å c: 57.72Å
α: 90° β: 94.41° γ: 90°
R-values:
R R work R free
0.185 0.185 0.202
Expression system: Spodoptera frugiperda