8bvm

Electron Microscopy
3.8Å resolution

Cryo-EM structure of Hfq-Crc-rbsB translation repression complex

Released:

Function and Biology Details

Reaction catalysed:
Exonucleolytic cleavage in the 3'- to 5'-direction to yield nucleoside 5'-phosphates
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero hexadecamer (preferred)
PDBe Complex ID:
PDB-CPX-233036 (preferred)
Entry contents:
2 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (3 distinct):
Endonuclease/exonuclease/phosphatase domain-containing protein Chains: A, H, N
Molecule details ›
Chains: A, H, N
Length: 262 amino acids
Theoretical weight: 30.1 KDa
Source organism: Pseudomonas aeruginosa
Expression system: Pseudomonas aeruginosa
UniProt:
  • Canonical: Q51380 (Residues: 1-259; Coverage: 100%)
Gene names: ALP65_01013, CAZ10_32350, DT376_09125, GNQ48_25180, GUL26_21635, IPC1295_10410, IPC737_07685, L4V69_36320, PAERUG_P19_London_7_VIM_2_05_10_01808, crc, exoA
Sequence domains: Endonuclease/Exonuclease/phosphatase family
RNA-binding protein Hfq Chains: B, C, D, E, F, G, I, J, K, L, M, O
Molecule details ›
Chains: B, C, D, E, F, G, I, J, K, L, M, O
Length: 82 amino acids
Theoretical weight: 9.11 KDa
Source organism: Pseudomonas aeruginosa
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9HUM0 (Residues: 1-82; Coverage: 100%)
Gene names: PA4944, hfq
Sequence domains: Hfq protein
rbsB mRNA Chain: u
Molecule details ›
Chain: u
Length: 108 nucleotides
Theoretical weight: 34.85 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.8Å
Relevant EMDB volumes: EMD-16266
Expression systems:
  • Pseudomonas aeruginosa
  • Escherichia coli