PDBe 4x7h

X-ray diffraction
2Å resolution

Co-crystal Structure of PERK bound to N-{5-[(6,7-dimethoxyquinolin-4-yl)oxy]pyridin-2-yl}-1-methyl-3-oxo-2-phenyl-5-(pyridin-4-yl)-2,3-dihydro-1H-pyrazole-4-carboxamide inhibitor


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
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

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P41212
Unit cell:
a: 81.428Å b: 81.428Å c: 127.933Å
α: 90° β: 90° γ: 90°
R R work R free
0.202 0.201 0.214
Expression system: Escherichia coli