PDBe 2brn

X-ray diffraction
2.8Å resolution

Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand Affinity

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: 297 amino acids
Theoretical weight: 34.15 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O14757 (Residues: 1-293; Coverage: 62%)
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: ESRF BEAMLINE ID29
Spacegroup: P21
Unit cell:
a: 44.907Å b: 65.692Å c: 54.429Å
α: 90° β: 101.81° γ: 90°
R-values:
R R work R free
0.207 0.203 0.285
Expression system: Spodoptera frugiperda