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TOP3A

topoisomerase (DNA) III alpha

Releases the supercoiling and torsional tension of DNA introduced during the DNA replication and transcription by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA-(5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand then undergoes passage around the unbroken strand thus removing DNA supercoils. Finally, in the religation step, the DNA 3'-OH attacks the covalent intermediate to expel the active-site tyrosine and restore the DNA phosphodiester backbone. Essential component of the RMI complex, a complex that plays an important role in the processing of homologous recombination intermediates to limit DNA crossover formation in cells. Has DNA decatenation activity.

Gene Name: topoisomerase (DNA) III alpha
Family/Subfamily: Topoisomerase
Synonyms: TOP3A, Dna topoisomerase III, DNA topoisomerase III alpha, Topo III-alpha, TOP3, Topoisomerase (DNA) III alpha, DNA topoisomerase 3-alpha
Target Sequences: NM_004618 NP_004609.1 Q13472

☰ Filters
Antibodies (12)
ELISA Kits (1)
Proteins (1)
Primary (12)
Recombinant (1)
Sandwich (1)
TOP3A (14)
Human (13)
Mouse (2)
Bovine (1)
Dog (1)
Zebrafish (1)
WB (12)
ELISA (2)
IF (1)
IP (1)
Peptide-ELISA (1)
rabbit (12)
IgG (3)
polyclonal pc (12)
96-Well Strip Plate (1)
APC (1)
APC Conjugated (1)
Biotin Conjugated (1)
Cy3 Conjugated (1)
Cy7 Conjugated (1)
FITC Conjugated (1)
HRP Conjugated (1)
PE Conjugated (1)
Unconjugated (5)
aa35-179 (8)
Internal (1)
No (14)
Cell Lysates (1)
Tissue Homogenates (1)
His (1)
Human (1)
E. coli (1)
TOP3A Antibody - Western blot analysis of Topoisomerase 3 alpha expression in A549 (A); MCF7 (B) whole cell lysates.
Select
TOP3A Rabbit anti-Human Polyclonal (Internal) Antibody
Zebrafish, Dog, Bovine, Human
WB
Unconjugated
100 µl/$299
TOP3A Antibody - Staining 293 cells by IF/ICC. The samples were fixed with PFA and permeabilized in 0.1% Triton X-100, then blocked in 10% serum for 45 min at 25°C. The primary antibody was diluted at 1:200 and incubated with the sample for 1 hour at 37°C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) antibody, diluted at 1/600, was used as secondary antibody.
Select
TOP3A Rabbit anti-Human Polyclonal Antibody
Mouse, Human
IF, Peptide-ELISA, WB
Unconjugated
100 µl/$379; 200 µl/$421
Select
TOP3A Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IP, WB
Unconjugated
100 µg/$341
TOP3A Antibody - Western Blot (WB) analysis of 293T using Topo IIIalpha antibody.
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TOP3A Rabbit anti-Human Polyclonal Antibody
Mouse, Human
ELISA, WB
Unconjugated
50 µg/$295; 100 µg/$335; 200 µg/$394
TOP3A Antibody - Western blot of TOP3A antibody.
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TOP3A Rabbit anti-Human Polyclonal (aa35-179) Antibody
Human
WB
Unconjugated
100 µl/$309; 200 µl/$351; 500 µl/$491; 1 ml/$561; 2 ml/$755; 5 ml/$1,225
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (HRP) Antibody
Human
WB
HRP Conjugated
100 µl/$338; 200 µl/$393; 500 µl/$575; 1 ml/$702; 2 ml/$939; 5 ml/$1,593
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (Biotin) Antibody
Human
WB
Biotin Conjugated
100 µl/$319; 200 µl/$365; 500 µl/$519; 1 ml/$596; 2 ml/$824; 5 ml/$1,348
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (FITC) Antibody
Human
WB
FITC Conjugated
100 µl/$348; 200 µl/$407; 500 µl/$605; 1 ml/$755; 2 ml/$993; 5 ml/$1,716
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (PE) Antibody
Human
WB
PE Conjugated
100 µl/$407; 200 µl/$491; 500 µl/$850; 1 ml/$1,008; 2 ml/$1,308; 5 ml/$2,451
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (APC) Antibody
Human
WB
APC Conjugated
100 µl/$407; 200 µl/$491; 500 µl/$850; 1 ml/$1,008; 2 ml/$1,308; 5 ml/$2,451
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (APC, Cy7) Antibody
Human
WB
APC, Cy7 Conjugated
100 µl/$505; 200 µl/$648; 500 µl/$1,152; 1 ml/$1,401; 2 ml/$1,961; 5 ml/$3,676
TOP3A Antibody - Western blot of TOP3A antibody.
Select
TOP3A Rabbit anti-Human Polyclonal (aa35-179) (Cy3) Antibody
Human
WB
Cy3 Conjugated
100 µl/$407; 200 µl/$491; 500 µl/$850; 1 ml/$1,008; 2 ml/$1,308; 5 ml/$2,451
TOP3A Protein - Recombinant Topoisomerase III By SDS-PAGE
Select
E. coli
His
20.6 kDa
10 µg/$280; 50 µg/$437; 100 µg/$700; 200 µg/$872; 1 mg/$1,978; 500 µg/$1,519; 5 mg/$3,053; 2 mg/$2,164
TOP3A ELISA Kit
Select
Sandwich
96-Well Strip Plate
Human
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Cell Lysates, Tissue Homogenates
1 Plate/$834
Viewing 1-14 of 14 product results



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PLEASE NOTE

For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).