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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

Numero MDL:
Codice UNSPSC:
12352203
NACRES:
NA.41

Origine biologica

mouse

Coniugato

unconjugated

Forma dell’anticorpo

purified immunoglobulin

Tipo di anticorpo

primary antibodies

Clone

Mab1, monoclonal

Forma fisica

buffered aqueous solution

PM

antigen ~100 kDa

Reattività contro le specie

human

tecniche

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

Isotipo

IgG1

N° accesso UniProt

Condizioni di spedizione

dry ice

Temperatura di conservazione

−20°C

modifica post-traduzionali bersaglio

unmodified

Informazioni sul gene

human ... TOP1(7150)

Descrizione generale

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.

Immunogeno

purified human topoisomerase I

Applicazioni

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

Azioni biochim/fisiol

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.

Stato fisico

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

Esclusione di responsabilità

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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Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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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)
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)
DNA topoisomerase II and its growing repertoire of biological functions
Nitiss JL
Nature Reviews. Cancer, 9(5), 327-327 (2009)
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Traditional Chinese herbal medicines are widely accepted as an option for the treatment of colorectal cancers. Danshen (Salviae miltiorrhizae Radix) is widely prescribed in traditional Chinese medicine for cardiovascular diseases. Tanshinone IIA (Tan-IIA) is extracted from Danshen. Our previous studies

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