7khi

Electron Microscopy
3.62Å resolution

Escherichia coli RNA polymerase and rrnBP1 promoter complex with DksA/ppGpp

Released:
Source organism: Escherichia coli K-12
Related structures: EMD-21881

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero nonamer (preferred)
PDBe Complex ID:
PDB-CPX-121460 (preferred)
Entry contents:
6 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (8 distinct):
DNA-directed RNA polymerase subunit alpha Chains: A, B
Molecule details ›
Chains: A, B
Length: 236 amino acids
Theoretical weight: 26.11 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0A7Z4 (Residues: 1-236; Coverage: 72%)
Gene names: JW3257, b3295, pez, phs, rpoA, sez
Sequence domains:
DNA-directed RNA polymerase subunit beta Chain: C
Molecule details ›
Chain: C
Length: 1342 amino acids
Theoretical weight: 150.82 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0A8V2 (Residues: 1-1342; Coverage: 100%)
Gene names: JW3950, b3987, groN, nitB, rif, ron, rpoB, stl, stv, tabD
Sequence domains:
DNA-directed RNA polymerase subunit beta' Chain: D
DNA-directed RNA polymerase subunit omega Chain: E
RNA polymerase sigma factor RpoD Chain: F
RNA polymerase-binding transcription factor DksA Chain: M
DNA (36-MER) Chain: X
DNA (28-MER) Chain: Y

Ligands and Environments

No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 3.62Å
Relevant EMDB volumes: EMD-21881
Expression system: Escherichia coli K-12