7mko

Electron Microscopy
3.15Å resolution

Escherichia coli RNA polymerase elongation complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-121645 (preferred)
Entry contents:
4 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (7 distinct):
DNA-directed RNA polymerase subunit alpha Chains: A, B
Molecule details ›
Chains: A, B
Length: 237 amino acids
Theoretical weight: 26.21 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0A7Z4 (Residues: 1-237; 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: 1340 amino acids
Theoretical weight: 150.59 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0A8V2 (Residues: 3-1342; 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
DNA (29-MER) Chain: N
DNA (29-MER) Chain: T
RNA (20-MER) Chain: R

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.15Å
Relevant EMDB volumes: EMD-23901
Expression system: Escherichia coli K-12