7x75

Electron Microscopy
3.45Å resolution

Cryo-EM structure of Streptomyces coelicolor RNAP-promoter open complex with three Zur dimers

Released:
Related structures: EMD-33032

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentadecamer (preferred)
PDBe Complex ID:
PDB-CPX-285120 (preferred)
Entry contents:
6 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (8 distinct):
DNA-directed RNA polymerase subunit alpha Chains: A, B, S
Molecule details ›
Chains: A, B, S
Length: 340 amino acids
Theoretical weight: 36.73 KDa
Source organism: Streptomyces coelicolor A3(2)
Expression system: Escherichia coli BL21(DE3)
DNA-directed RNA polymerase subunit beta Chain: C
Molecule details ›
Chain: C
Length: 1161 amino acids
Theoretical weight: 128.64 KDa
Source organism: Streptomyces coelicolor A3(2)
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9L0L0 (Residues: 1-1161; Coverage: 100%)
Gene names: SCD82.26, SCO4654, rpoB
Sequence domains:
DNA-directed RNA polymerase subunit beta' Chain: D
DNA-directed RNA polymerase subunit omega Chain: E
RNA polymerase principal sigma factor HrdB Chain: F
Zinc uptake regulation protein Chains: G, H, K, L, M, N
DNA (84-MER) Chain: O
DNA (84-MER) Chain: P

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 3.45Å
Relevant EMDB volumes: EMD-33032
Expression system: Escherichia coli BL21(DE3)