7vf9

Electron Microscopy
4.04Å resolution

Cryo-EM structure of Pseudomonas aeruginosa RNAP sigmaS holoenzyme complexes

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-129408 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
DNA-directed RNA polymerase subunit alpha Chains: A, B
Molecule details ›
Chains: A, B
Length: 345 amino acids
Theoretical weight: 38.26 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O52760 (Residues: 1-333; Coverage: 100%)
Gene names: PA4238, rpoA
Sequence domains:
DNA-directed RNA polymerase subunit beta Chain: C
Molecule details ›
Chain: C
Length: 1359 amino acids
Theoretical weight: 151.23 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q51561 (Residues: 1-1357; Coverage: 100%)
Gene names: PA4270, rpoB
Sequence domains:
DNA-directed RNA polymerase subunit beta' Chain: D
Molecule details ›
Chain: D
Length: 1412 amino acids
Theoretical weight: 156.04 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9HWC9 (Residues: 2-1399; Coverage: 100%)
Gene names: PA4269, rpoC
Sequence domains:
DNA-directed RNA polymerase subunit omega Chain: E
Molecule details ›
Chain: E
Length: 88 amino acids
Theoretical weight: 9.78 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9HTM1 (Residues: 1-88; Coverage: 100%)
Gene names: PA5337, rpoZ
Sequence domains: RNA polymerase Rpb6
RNA polymerase sigma factor RpoS Chain: F
Molecule details ›
Chain: F
Length: 338 amino acids
Theoretical weight: 38.61 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P45684 (Residues: 1-334; Coverage: 100%)
Gene names: PA3622, rpoS
Sequence domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 4.04Å
Relevant EMDB volumes: EMD-31948
Expression system: Escherichia coli BL21(DE3)