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Key Documents

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

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

Mab1, monoclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~100 kDa

Espèces réactives

human

Technique(s)

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

Isotype

IgG1

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... TOP1(7150)

Description générale

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.

Immunogène

purified human topoisomerase I

Application

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

Actions biochimiques/physiologiques

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.

Forme physique

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

Clause de non-responsabilité

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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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Consulter la Bibliothèque de documents

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)
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)
Chin-Cheng Su
Experimental and therapeutic medicine, 3(3), 555-559 (2012-09-13)
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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