1jch

X-ray diffraction
3.02Å resolution

Crystal Structure of Colicin E3 in Complex with its Immunity Protein

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-132796 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Colicin E3 Chains: A, C
Molecule details ›
Chains: A, C
Length: 551 amino acids
Theoretical weight: 58.04 KDa
Source organism: Escherichia coli str. K-12 substr. W3110
Expression system: Escherichia coli str. K-12 substr. W3110
UniProt:
  • Canonical: P00646 (Residues: 1-551; Coverage: 100%)
Gene names: ceaC, col
Sequence domains:
Structure domains:
Colicin E3 immunity protein Chains: B, D
Molecule details ›
Chains: B, D
Length: 84 amino acids
Theoretical weight: 9.78 KDa
Source organism: Escherichia coli str. K-12 substr. W3110
Expression system: Escherichia coli str. K-12 substr. W3110
UniProt:
  • Canonical: P02984 (Residues: 2-85; Coverage: 99%)
Gene names: ceiC, imm, immB
Sequence domains: Cloacin immunity protein
Structure domains: Cloacin immunity protein

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-C
Spacegroup: P21
Unit cell:
a: 66.986Å b: 195.733Å c: 85.124Å
α: 90° β: 113.22° γ: 90°
R-values:
R R work R free
0.237 0.237 0.283
Expression system: Escherichia coli str. K-12 substr. W3110