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T8944 Sigma

Topoisomerase II α human

(Single band on SDS-PAGE), liquid

Synonym: TOPO® II, p170



Related Categories 5.99.x.x Others, 5.x.x.x Isomerases, Application Index, Biochemicals and Reagents, Cancer Research,
assay   (Single band on SDS-PAGE)
form   liquid
mol wt   mol wt 170 kDa
storage temp.   −70°C
Gene Information   human ... TOP2A(7153)


Biochem/physiol Actions

Used to study DNA structure and topology.

General description

Topoisomerase II α (TopoIIα) is a gene product with conserved catalytic activities and it promotes the progression of DNA damage. The α isoform is present in proliferating cells.

Preparation Note

Recombinant enzyme overexpressed in a proprietary eukaryotic cell line.

Unit Definition

One unit will decatenate 0.2 μg of kinetoplast DNA in 30 minutes at 37°C.

Physical form

Solution in 10 mM Tris-HCl, pH 7.1, 0.25 M NaCl, 1 mM EDTA, 0.5 mM PMSF, 1 mM 2-mercaptoethanol, 10% glycerol.


Topoisomerase II α has been used in a study to assess aging processes in the human brain. Topoisomerase II α has also been used in a study to investigate its activity in HIV-1 replication.

Legal Information

TOPO is a registered trademark of Life Technologies

Price and Availability

All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles

Related Content

Enzymes & Proteins

Application Index | Enzyme Index | Substrate Index | Inhibitor Index | Cofactor Index | Lectin Index
Keywords: Cell signaling, Diagnostic, Drug discovery, Molecular biology

Peer-Reviewed Papers


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