Electron Microscopy
19Å resolution

Structure of the E. coli trigger factor bound to a translating ribosome


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Trigger factor Chain: A
Molecule details ›
Chain: A
Length: 432 amino acids
Theoretical weight: 48.77 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P0A850 (Residues: 1-432; Coverage: 100%)
Gene names: JW0426, b0436, tig
Sequence domains:
50S ribosomal protein L23 Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.22 KDa
Source organism: Escherichia coli
  • Canonical: P0ADZ0 (Residues: 1-100; Coverage: 100%)
Gene names: JW3280, b3318, rplW
Sequence domains: Ribosomal protein L23
50S ribosomal protein L24 Chain: C
Molecule details ›
Chain: C
Length: 103 amino acids
Theoretical weight: 11.21 KDa
Source organism: Escherichia coli
  • Canonical: P60624 (Residues: 2-104; Coverage: 99%)
Gene names: JW3271, b3309, rplX
Sequence domains: Ribosomal proteins 50S L24/mitochondrial 39S L24
50S ribosomal protein L29 Chain: D
Molecule details ›
Chain: D
Length: 63 amino acids
Theoretical weight: 7.29 KDa
Source organism: Escherichia coli
  • Canonical: P0A7M6 (Residues: 1-63; Coverage: 100%)
Gene names: JW3274, b3312, rpmC
Sequence domains: Ribosomal L29 protein

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
Resolution: 19Å
Relevant EMDB volumes: EMD-1499
Expression system: Escherichia coli