4fxe

X-ray diffraction
2.75Å resolution

Crystal structure of the intact E. coli RelBE toxin-antitoxin complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-142871 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Antitoxin RelB Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 79 amino acids
Theoretical weight: 9.08 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0C079 (Residues: 1-79; Coverage: 100%)
Gene names: JW1556, b1564, relB
Sequence domains: RelB antitoxin
Structure domains:
mRNA interferase toxin RelE Chains: D, E, F
Molecule details ›
Chains: D, E, F
Length: 95 amino acids
Theoretical weight: 11.16 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0C077 (Residues: 1-95; Coverage: 100%)
Gene names: JW1555, b1563, relE
Sequence domains: ParE toxin of type II toxin-antitoxin system, parDE
Structure domains: RelE-like

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MAX II BEAMLINE I911-2
Spacegroup: P6122
Unit cell:
a: 77.23Å b: 77.23Å c: 362.82Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.254 0.253 0.285
Expression system: Escherichia coli BL21(DE3)