2d74

X-ray diffraction
2.8Å resolution

Crystal structure of translation initiation factor aIF2betagamma heterodimer

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-570336 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Translation initiation factor 2 subunit gamma Chain: A
Molecule details ›
Chain: A
Length: 419 amino acids
Theoretical weight: 46.23 KDa
Source organism: Pyrococcus furiosus DSM 3638
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8U082 (Residues: 1-411; Coverage: 100%)
Gene names: PF1717, eif2g
Sequence domains:
Structure domains:
Translation initiation factor 2 subunit beta Chain: B
Molecule details ›
Chain: B
Length: 148 amino acids
Theoretical weight: 17.33 KDa
Source organism: Pyrococcus furiosus DSM 3638
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8U3I5 (Residues: 1-140; Coverage: 100%)
Gene names: PF0481, eif2b
Sequence domains: Domain found in IF2B/IF5
Structure domains: Alpha-Beta Plaits

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P212121
Unit cell:
a: 68.467Å b: 76.177Å c: 98.21Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.244 0.244 0.29
Expression system: Escherichia coli