PDBe 1zy4

X-ray diffraction
1.95Å resolution

Crystal Structure of eIF2alpha Protein Kinase GCN2: R794G Hyperactivating Mutant in Apo Form.


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:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
eIF-2-alpha kinase GCN2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 303 amino acids
Theoretical weight: 35.04 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
  • Canonical: P15442 (Residues: 594-997; Coverage: 18%)
Gene names: AAS1, GCN2, YDR283C
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: P212121
Unit cell:
a: 52.833Å b: 79.257Å c: 146.863Å
α: 90° β: 90° γ: 90°
R R work R free
0.224 0.224 0.252
Expression system: Escherichia coli