6xas

Electron Microscopy
3.8Å resolution

CryoEM Structure of E. coli Rho-dependent Transcription Pre-termination Complex

Released:
Source organism: Escherichia coli K-12
Related structures: EMD-22114

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentadecamer (preferred)
PDBe Complex ID:
PDB-CPX-120925 (preferred)
Entry contents:
6 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (9 distinct):
Transcription termination/antitermination protein NusA Chain: G
Molecule details ›
Chain: G
Length: 495 amino acids
Theoretical weight: 54.93 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AFF6 (Residues: 1-495; Coverage: 100%)
Gene names: JW3138, b3169, nusA
Sequence domains:
DNA-directed RNA polymerase subunit omega Chain: W
Molecule details ›
Chain: W
Length: 91 amino acids
Theoretical weight: 10.25 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A800 (Residues: 1-91; Coverage: 100%)
Gene names: JW3624, b3649, rpoZ
Sequence domains: RNA polymerase Rpb6
DNA-directed RNA polymerase subunit alpha Chains: H, K
DNA-directed RNA polymerase subunit beta Chain: I
DNA-directed RNA polymerase subunit beta' Chain: J
Transcription termination factor Rho Chains: A, B, C, D, E, F
DNA (29-MER) Chain: N
DNA (29-MER) Chain: T
RNA (60-MER) Chain: R

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.8Å
Relevant EMDB volumes: EMD-22114
Expression system: Escherichia coli