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Merck

T8573

Sigma-Aldrich

Monoclonal Anti-Topoisomerase I antibody produced in mouse

clone Mab1, purified immunoglobulin, buffered aqueous solution

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

Mab1, monoclonal

form

buffered aqueous solution

mol wt

antigen ~100 kDa

species reactivity

human

technique(s)

microarray: suitable
western blot: 1-2 μg/mL using A231 human kidney cells

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... TOP1(7150)

General description

Monoclonal Anti-Topoisomerase I (mouse IgG1 isotype) is derived from the Mab1 hybridoma produced by the fusion of SP2/0 mouse myeloma cells and splenocytes from BALB/c mice immunized with human purified topoisomerase I. The protein family of DNA topoisomerases is divided into two types (type I and II). The type I enzymes include eukaryotic and bacterial topoisomerase I and III. Human DNA Topoisomerase I belong to the subtype IB enzymes. The protein has four distinct domains. There are four nuclear localization signals in the N-terminal domain. A linker domain of 77 amino acids follows the core domain. The fourth domain, which is 53 amino acids long, contains the active site Tyr723. Topoisomerase I (TOP1) gene is located on human chromosome 20q12.

Immunogen

purified human topoisomerase I

Application

Monoclonal Anti-Topoisomerase I antibody produced in mouse has been used in western blot analysis.

Biochem/physiol Actions

DNA topoisomerases are enzymes that control the amount of supercoiling in DNA. Without topoisomerases, DNA cannot replicate normally. Type I enzymes of DNA topoisomerases introduce transient single strand breaks in DNA. Recently it was reported that DNA topoisomerase I is involved in modulation of RNA and is present in retroviral particles, like human immunodeficiency virus (HIV1). Furthermore, the enzyme enhances HIV-1 cDNA production in reverse transcription assays in vitro. Topoisomerase I (TOP1) serves as swivel at the time of replication, transcription and recombination, which helps in releasing over winding of duplex DNA.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

12 - Non Combustible Liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

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Mechanisms for defining supercoiling set point of DNA gyrase orthologs I. A nonconserved acidic C-terminal tail modulates Escherichia coli gyrase activity
Tretter EM and Berger JM
The Journal of Biological Chemistry, 287(22), 18636-18644 (2012)
DNA topoisomerase II and its growing repertoire of biological functions
Nitiss JL
Nature Reviews. Cancer, 9(5), 327-327 (2009)
Tanshinone IIA potentiates the efficacy of 5-FU in Colo205 colon cancer cells in vivo through downregulation of P-gp and LC3-II.
Su C C
Experimental and Therapeutic Medicine, 3(3), 555-559 (2012)
Amygdalin inhibits genes related to cell cycle in SNU-C4 human colon cancer cells
Park HJ, et al.
World Journal of Gastroenterology, 11(33), 5156-5156 (2005)

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