› 7aek

Electron Microscopy
2.5Å resolution

Cryo-EM structure of an extracellular contractile injection system in marine bacterium Algoriphagus machipongonensis, the contracted sheath shell.

Released:
DOI: 10.2210/pdb7aek/pdb
PDB entry 7aek coloured by chain, front view.
PDB entry 7aek coloured by chain, side view.
PDB entry 7aek coloured by chain, top view.
Source organism: Algoriphagus machipongonensis
Primary publication:
Identification and structure of an extracellular contractile injection system from the marine bacterium Algoriphagus machipongonensis.
Xu J, Ericson CF, Lien YW, Rutaganira FUN, Eisenstein F, Feldmüller M, King N, Pilhofer M
Nat Microbiol 7 397-410 (2022)
PMID: 35165385
Related structures: EMD-11747

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
homo octadecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-107153 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tail sheath protein C-terminal domain-containing protein Chains: 3A, 3B, 3C, 3D, 3E, 3F, 4A, 4B, 4C, 4D, 4E, 4F, 5A, 5B, 5C, 5D, 5E, 5F
Molecule details ›
Chains: 3A, 3B, 3C, 3D, 3E, 3F, 4A, 4B, 4C, 4D, 4E, 4F, 5A, 5B, 5C, 5D, 5E, 5F
Length: 692 amino acids
Theoretical weight: 76.32 KDa
Source organism: Algoriphagus machipongonensis
UniProt:
  • Canonical: A3HTC2 (Residues: 1-692; Coverage: 100%)
Gene name: ALPR1_12755
Sequence domains: Phage tail sheath C-terminal domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.5Å
Relevant EMDB volumes: EMD-11747

Quick links

Citations

1 review citation

Evolutionary and ecological role of extracellular contractile injection systems: from threat to weapon.
Heiman et al. (2023)
12 other articles

1 mention without citation

Evolution of Phage Tail Sheath Protein.
Evseev et al. (2022)