6pb6

Electron Microscopy
4.29Å resolution

The E. coli class-II CAP-dependent transcription activation complex at the state 2

Released:
Source organism: Escherichia coli
Related structures: EMD-20288

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero decamer (preferred)
PDBe Complex ID:
PDB-CPX-244337 (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: 329 amino acids
Theoretical weight: 36.56 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
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: C
Molecule details ›
Chain: C
Length: 1342 amino acids
Theoretical weight: 150.82 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
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
DNA-binding transcriptional dual regulator CRP Chains: G, H
SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) Chain: 1
SYNTHETIC TEMPLATE STRAND DNA (78-MER) Chain: 2

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 4.29Å
Relevant EMDB volumes: EMD-20288
Expression system: Escherichia coli