› 4fst

X-ray diffraction
1.9Å resolution

Crystal Structure of the CHK1

Released:
DOI: 10.2210/pdb4fst/pdb
PDB entry 4fst coloured by chain, front view.
PDB entry 4fst coloured by chain, side view.
PDB entry 4fst coloured by chain, top view.
Source organism: Homo sapiens
Entry authors: Kang YN, Stuckey JA, Chang P, Russell AJ

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-127093 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine/threonine-protein kinase Chk1 Chain: A
Molecule details ›
Chain: A
Length: 269 amino acids
Theoretical weight: 31.08 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: O14757 (Residues: 2-270; Coverage: 57%)
Gene names: CHEK1, CHK1
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

4 bound ligands:
Ligand HK4 1 x HK4
Ligand SO4 1 x SO4
Ligand GOL 2 x GOL
Ligand IPA 2 x IPA
1 modified residue:
Ligand CSO 1 x CSO

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P21
Unit cell:
a: 45.187Å b: 65.741Å c: 58.074Å
α: 90° β: 94.64° γ: 90°
R-values:
R R work R free
0.167 0.166 0.185
Expression system: Homo sapiens

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