7mkn

Electron Microscopy
3.3Å resolution

Escherichia coli RNA polymerase and RapA elongation complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero nonamer (preferred)
PDBe Complex ID:
PDB-CPX-238559 (preferred)
Entry contents:
5 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (8 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
Molecule details ›
Chain: D
Length: 1363 amino acids
Theoretical weight: 150.87 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0A8T7 (Residues: 14-1376; Coverage: 97%)
Gene names: JW3951, b3988, rpoC, tabB
Sequence domains:
DNA-directed RNA polymerase subunit omega Chain: E
Molecule details ›
Chain: E
Length: 91 amino acids
Theoretical weight: 10.25 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0A800 (Residues: 1-91; Coverage: 100%)
Gene names: JW3624, b3649, rpoZ
Sequence domains: RNA polymerase Rpb6
RNA polymerase-associated protein RapA Chain: L
Molecule details ›
Chain: L
Length: 968 amino acids
Theoretical weight: 109.9 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P60240 (Residues: 1-968; Coverage: 100%)
Gene names: JW0058, b0059, hepA, rapA, yabA
Sequence domains:
DNA (29-MER) Chain: N
Molecule details ›
Chain: N
Length: 29 nucleotides
Theoretical weight: 8.84 KDa
DNA (29-MER) Chain: T
Molecule details ›
Chain: T
Length: 29 nucleotides
Theoretical weight: 8.81 KDa
RNA (20-MER) Chain: R
Molecule details ›
Chain: R
Length: 11 nucleotides
Theoretical weight: 3.63 KDa

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.3Å
Relevant EMDB volumes: EMD-23900
Expression system: Escherichia coli K-12