1s14

X-ray diffraction
2Å resolution

Crystal structure of Escherichia coli Topoisomerase IV ParE 24kDa subunit

Released:

Function and Biology Details

Reaction catalysed:
ATP-dependent breakage, passage and rejoining of double-stranded DNA
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-148844 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA topoisomerase 4 subunit B Chains: A, B
Molecule details ›
Chains: A, B
Length: 194 amino acids
Theoretical weight: 21.73 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P20083 (Residues: 1-217; Coverage: 31%)
Gene names: JW2998, b3030, nfxD, parE
Sequence domains: Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase
Structure domains: Histidine kinase-like ATPase, C-terminal domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P3121
Unit cell:
a: 74.9Å b: 74.9Å c: 138.2Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.219 0.219 0.279
Expression system: Escherichia coli