X-ray diffraction
3.2Å resolution

Crystal structure of the complex of Tdp1 with duplex DNA


Function and Biology Details

Biological process:
Cellular component:

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Tyrosyl-DNA phosphodiesterase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 485 amino acids
Theoretical weight: 54.73 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q9NUW8 (Residues: 149-608; Coverage: 76%)
Gene name: TDP1
Sequence domains: Tyrosyl-DNA phosphodiesterase
Structure domains: Endonuclease Chain A
DNA (5'-D(P*AP*AP*TP*GP*CP*GP*CP*AP*TP*TP*A)-3') Chain: C
Molecule details ›
Chain: C
Length: 11 nucleotides
Theoretical weight: 3.36 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P21212
Unit cell:
a: 109.191Å b: 198.192Å c: 51.325Å
α: 90° β: 90° γ: 90°
R R work R free
0.253 0.25 0.306
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided