6x4w

Electron Microscopy
3.8Å resolution

Mfd-bound E.coli RNA polymerase elongation complex - III state

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero nonamer (preferred)
PDBe Complex ID:
PDB-CPX-120900 (preferred)
Entry contents:
5 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (8 distinct):
Transcription-repair-coupling factor Chain: A
Molecule details ›
Chain: A
Length: 1148 amino acids
Theoretical weight: 130.15 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P30958 (Residues: 1-1148; Coverage: 100%)
Gene names: JW1100, b1114, mfd
Sequence domains:
DNA-directed RNA polymerase subunit alpha Chains: G, H
Molecule details ›
Chains: G, H
Length: 329 amino acids
Theoretical weight: 36.56 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A7Z4 (Residues: 1-329; Coverage: 100%)
Gene names: JW3257, b3295, pez, phs, rpoA, sez
Sequence domains:
DNA-directed RNA polymerase subunit beta Chain: I
Molecule details ›
Chain: I
Length: 1342 amino acids
Theoretical weight: 150.82 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
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: J
Molecule details ›
Chain: J
Length: 1407 amino acids
Theoretical weight: 155.37 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A8T7 (Residues: 1-1407; Coverage: 100%)
Gene names: JW3951, b3988, rpoC, tabB
Sequence domains:
DNA-directed RNA polymerase subunit omega Chain: K
Molecule details ›
Chain: K
Length: 91 amino acids
Theoretical weight: 10.25 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A800 (Residues: 1-91; Coverage: 100%)
Gene names: JW3624, b3649, rpoZ
Sequence domains: RNA polymerase Rpb6
DNA (64-MER) Chain: P
Molecule details ›
Chain: P
Length: 64 nucleotides
Theoretical weight: 19.63 KDa
DNA (64-MER) Chain: Q
Molecule details ›
Chain: Q
Length: 64 nucleotides
Theoretical weight: 19.75 KDa
RNA (20-mer) Chain: R
Molecule details ›
Chain: R
Length: 21 nucleotides
Theoretical weight: 6.82 KDa

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.8Å
Relevant EMDB volumes: EMD-22043
Expression system: Escherichia coli BL21(DE3)