1zo1

Electron Microscopy
13.8Å resolution

IF2, IF1, and tRNA fitted to cryo-EM data OF E. COLI 70S initiation complex

Released:
Source organism: Escherichia coli
Related structures: EMD-1249

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-141502 (preferred)
Entry contents:
2 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (3 distinct):
Translation initiation factor IF-2 Chain: I
Molecule details ›
Chain: I
Length: 501 amino acids
Theoretical weight: 54.21 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A705 (Residues: 388-888; Coverage: 56%)
Gene names: JW3137, b3168, gicD, infB, ssyG
Sequence domains:
Translation initiation factor IF-1 Chain: W
Molecule details ›
Chain: W
Length: 71 amino acids
Theoretical weight: 8.12 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P69222 (Residues: 2-4, 5-70; Coverage: 96%)
Gene names: JW0867, b0884, infA
Sequence domains: Translation initiation factor 1A / IF-1
P/I-site tRNA Chain: F
Molecule details ›
Chain: F
Length: 76 nucleotides
Theoretical weight: 24.52 KDa
Sequence domains: tRNA

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 13.8Å
Relevant EMDB volumes: EMD-1249