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X-ray diffraction
1.87Å resolution

Human Topo IIa ATPase/AMP-PNP

Released:

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:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA topoisomerase 2-alpha Chains: A, B
Molecule details ›
Chains: A, B
Length: 400 amino acids
Theoretical weight: 45.66 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P11388 (Residues: 29-428; Coverage: 26%)
Gene names: TOP2, TOP2A
Sequence domains: Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P212121
Unit cell:
a: 70.772Å b: 75.285Å c: 164.887Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.22 0.22 0.243
Expression system: Escherichia coli