4mot

X-ray diffraction
1.75Å resolution

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-568232 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA topoisomerase 4 subunit B Chain: A
Molecule details ›
Chain: A
Length: 226 amino acids
Theoretical weight: 24.6 KDa
Source organism: Streptococcus pneumoniae R6
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8DQB5 (Residues: 1-226; Coverage: 35%)
Gene names: parE, spr0756
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: RIGAKU FR-E+ DW
Spacegroup: C2221
Unit cell:
a: 73.603Å b: 94.571Å c: 61.001Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.19 0.228
Expression system: Escherichia coli BL21(DE3)