2zbk

X-ray diffraction
3.56Å resolution

Crystal structure of an intact type II DNA topoisomerase: insights into DNA transfer mechanisms

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-126469 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Type 2 DNA topoisomerase 6 subunit A Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 389 amino acids
Theoretical weight: 45.12 KDa
Source organism: Saccharolobus shibatae
Expression system: Escherichia coli
UniProt:
  • Canonical: O05208 (Residues: 1-389; Coverage: 100%)
Gene names: J5U23_02507, top6A
Sequence domains:
Structure domains:
Type 2 DNA topoisomerase 6 subunit B Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 530 amino acids
Theoretical weight: 60.61 KDa
Source organism: Saccharolobus shibatae
Expression system: Escherichia coli
UniProt:
  • Canonical: O05207 (Residues: 1-530; Coverage: 100%)
Gene names: J5U23_02508, top6B
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P212121
Unit cell:
a: 114.96Å b: 200.53Å c: 329.07Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.313 0.312 0.333
Expression system: Escherichia coli