PDBe 1d6m

X-ray diffraction
3Å resolution

CRYSTAL STRUCTURE OF E. COLI DNA TOPOISOMERASE III

Released:
Source organism: Escherichia coli
Primary publication:
The structure of Escherichia coli DNA topoisomerase III.
Structure 7 1373-83 (1999)
PMID: 10574789

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA topoisomerase 3 Chain: A
Molecule details ›
Chain: A
Length: 653 amino acids
Theoretical weight: 73.32 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P14294 (Residues: 1-653; Coverage: 100%)
Gene names: JW1752, b1763, topB
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P6122
Unit cell:
a: 236Å b: 236Å c: 108Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.239 0.237 0.268
Expression system: Escherichia coli