6kml

X-ray diffraction
2.1Å resolution

2.09 Angstrom resolution crystal structure of tetrameric HigBA toxin-antitoxin complex from E.coli

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-159141 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
mRNA interferase toxin HigB Chains: A, C
Molecule details ›
Chains: A, C
Length: 118 amino acids
Theoretical weight: 13.68 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P64578 (Residues: 1-104; Coverage: 100%)
Gene names: JW3054, b3083, higB, ygjN
Sequence domains: HigB_toxin, RelE-like toxic component of a toxin-antitoxin system
Antitoxin HigA Chains: B, D
Molecule details ›
Chains: B, D
Length: 138 amino acids
Theoretical weight: 15.01 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P67701 (Residues: 1-138; Coverage: 100%)
Gene names: JW3053, b3082, higA, ygjM
Sequence domains: Helix-turn-helix

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: P21
Unit cell:
a: 57.378Å b: 85.873Å c: 59.408Å
α: 90° β: 90.85° γ: 90°
R-values:
R R work R free
0.197 0.195 0.236
Expression system: Escherichia coli BL21(DE3)