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Merck

TOP2B

topoisomerase (DNA) II beta 180kDa

Synonyms:
TOPIIB, top2beta
Species:
UniProtKB ID:
Gene ID:
  • Human(7155) Summary: This gene encodes a DNA topoisomerase, an enzyme that controls and alters the topologic states of DNA during transcription. This nuclear enzyme is involved in processes such as chromosome condensation, chromatid separation, and the relief of torsional stress that occurs during DNA transcription and replication. It catalyzes the transient breaking and rejoining of two strands of duplex DNA which allows the strands to pass through one another, thus altering the topology of DNA. Two forms of this enzyme exist as likely products of a gene duplication event. The gene encoding this form, beta, is localized to chromosome 3 and the alpha form is localized to chromosome 17. The gene encoding this enzyme functions as the target for several anticancer agents and a variety of mutations in this gene have been associated with the development of drug resistance. Reduced activity of this enzyme may also play a role in ataxia-telangiectasia. Alternative splicing of this gene results in two transcript variants; however, the second variant has not yet been fully described. [provided by RefSeq, Jul 2008]
  • Mouse(21974) topoisomerase (DNA) II beta
  • Rat(361100) topoisomerase (DNA) II beta
  • cow(787256) topoisomerase (DNA) II beta 180kDa
  • cow(282097) topoisomerase (DNA) II beta 180kDa
  • sheep(101103037) topoisomerase (DNA) II beta 180kDa
  • Domestic Rabbit(100351427) topoisomerase (DNA) II beta 180kDa
  • naked mole-rat(101704972) topoisomerase (DNA) II beta 180kDa
  • domestic guinea pig(100714821) topoisomerase (DNA) II beta 180kDa
  • Zebrafish(569877) topoisomerase (DNA) II beta
  • domestic cat(101088949) topoisomerase (DNA) II beta 180kDa
  • dog(477044) topoisomerase (DNA) II beta 180kDa
  • chicken(395966) topoisomerase (DNA) II beta 180kDa

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Antibodies

Product Number
Description
Species Reactivity
Application
Anti-TOP2B antibody produced in rabbit, affinity isolated antibody,
Species Reactivity
human, mouse
Application
ELISA
immunohistochemistry

western blot
Anti-TOP2B antibody produced in rabbit, Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution,
Species Reactivity
human, mouse, rat
Application
immunofluorescence
immunohistochemistry

western blot
Anti-TOP2B antibody produced in rabbit, Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody,
Species Reactivity
human
Application
immunofluorescence
western blot

Small Molecule - Inhibitor

Product Number
Description
Species
XK469, ≥98% (HPLC), solid,
Species
human
Etoposide, British Pharmacopoeia (BP) Reference Standard,
Species
human
Etoposide, European Pharmacopoeia (EP) Reference Standard,
Species
human
Etoposide, United States Pharmacopeia (USP) Reference Standard,
Species
human
Amsacrine hydrochloride, ≥98% (TLC), powder,
Species
human

esiRNA

Product Number
Description
Species
MISSION® esiRNA, targeting human TOP2B,
Species
human
MISSION® esiRNA, targeting mouse Top2b,
Species
mouse