X-ray diffraction
2.65Å resolution

Co-crystal Structure of PERK bound to 1-[5-(4-amino-2,7-dimethyl-7H-pyrrolo[2,3-d]pyrimidin-5-yl)-2,3-dihydro-1H-indol-1-yl]-2-[3-fluoro-5-(trifluoromethyl)phenyl]ethanone inhibitor


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Eukaryotic translation initiation factor 2-alpha kinase 3 Chain: A
Molecule details ›
Chain: A
Length: 317 amino acids
Theoretical weight: 36.82 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q9NZJ5 (Residues: 575-1094; Coverage: 29%)
Gene names: EIF2AK3, PEK, PERK
Sequence domains: Protein kinase domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P3221
Unit cell:
a: 125.366Å b: 125.366Å c: 58.203Å
α: 90° β: 90° γ: 120°
R R work R free
0.2 0.199 0.226
Expression system: Escherichia coli