6ut6

Electron Microscopy
3.28Å resolution

Cryo-EM structure of the Escherichia coli McrBC complex

Released:
Source organism: Escherichia coli K-12
Related structures: EMD-20867

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero heptamer (preferred)
PDBe Complex ID:
PDB-CPX-147168 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Type IV methyl-directed restriction enzyme EcoKMcrB subunit Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 459 amino acids
Theoretical weight: 53.21 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P15005 (Residues: 1-459; Coverage: 100%)
Gene names: JW5871, b4346, mcrB, rglB
Sequence domains:
Type IV methyl-directed restriction enzyme EcoKMcrBC Chain: G
Molecule details ›
Chain: G
Length: 348 amino acids
Theoretical weight: 40.64 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P15006 (Residues: 1-348; Coverage: 100%)
Gene names: JW5789, b4345, mcrC
Sequence domains: McrBC 5-methylcytosine restriction system component

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.28Å
Relevant EMDB volumes: EMD-20867
Expression system: Escherichia coli