3bpq

X-ray diffraction
2.2Å resolution

Crystal Structure of RelB-RelE antitoxin-toxin complex from Methanococcus jannaschii

Released:

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-143532 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Antitoxin RelB3 Chains: A, C
Molecule details ›
Chains: A, C
Length: 52 amino acids
Theoretical weight: 6.32 KDa
Source organism: Methanocaldococcus jannaschii DSM 2661
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CL56 (Residues: 1-52; Coverage: 98%)
Gene names: MJ1103.1, relB, relB3
Sequence domains: RelB Antitoxin
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Toxin RelE3 Chains: B, D
Molecule details ›
Chains: B, D
Length: 88 amino acids
Theoretical weight: 10.52 KDa
Source organism: Methanocaldococcus jannaschii DSM 2661
Expression system: Escherichia coli
UniProt:
  • Canonical: Q58503 (Residues: 1-88; Coverage: 100%)
Gene names: MJ1103, relE, relE3
Sequence domains: ParE toxin of type II toxin-antitoxin system, parDE
Structure domains: RelE-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P21
Unit cell:
a: 52.794Å b: 57.992Å c: 58.747Å
α: 90° β: 92.3° γ: 90°
R-values:
R R work R free
0.24 0.238 0.274
Expression system: Escherichia coli