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Key Documents

S5947

Sigma-Aldrich

Anti-Sirt7 antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution

Synonyme(s) :

Anti-SIR2L7, Anti-Sir2-related protein type 7, Anti-Sirtuin (silent mating type information regulation 2 homolog) 7

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About This Item

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

Source biologique

rabbit

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~45 kDa

Espèces réactives

mouse (predicted), human

Technique(s)

immunoprecipitation (IP): 2-4 μg using extracts of HEK-293T cells expressing human Sirt7
indirect immunofluorescence: 2-4 μg/mL using human HEK-293T cells
western blot: 1-2 μg/mL using whole extracts of HEK-293T cells expressing human Sirt7

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 ... SIRT7(51547)
mouse ... Sirt7(209011)

Description générale

Nicotinamide adenine dinucleotide (NAD)-dependent histone deacetylase (Sir2) is one of the silent information regulator genes in yeast. It belongs to a family of proteins, that is found in organisms ranging from bacteria to complex eukaryotes. Proteins of this family share a core domain showing 25-60% sequence identity. The mammalian Sir2 gene family is comprised of seven members which are designated as Sirt1-7.

Immunogène

synthetic peptide corresponding to amino acids 35-51 of human Sirt7, conjugated to KLH via a C-terminal cysteine residue. The sequence is identical in mouse.

Application

Anti-Sirt7 antibody produced in rabbit has been used in western blotting analysis and immunofluorescence detection.

Actions biochimiques/physiologiques

Sirt7 (sirtuin 7) is extensively found in protein associated with active rRNA genes (rDNA), in the nucleolus. It interacts with RNA polymerase I (Pol I) and histones. Overexpression of Sirt7 increases Pol I-mediated transcription, whereas knockdown of Sirt7 or inhibition of its catalytic activity results in decreased association of Pol I with rDNA and reduces Pol I transcription. Depletion of Sirt7 stops cell proliferation and triggers apoptosis. High levels of Sirt7 expression are associated with breast cancer.

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

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Involvement of SIRT7 in resumption of rDNA transcription at the exit from mitosis
Grob A, et al.
Journal of Cell Science, 122(4), 489-498 (2009)
Altered sirtuin expression is associated with node-positive breast cancer
Ashraf N, et al.
British Journal of Cancer, 95(8), 1056-1056 (2006)
The SIR2 gene family, conserved from bacteria to humans, functions in silencing, cell cycle progression, and chromosome stability.
Brachmann CB, et al.
Genes & Development, 9(23), 2888-2902 (1995)
The human silent information regulator (Sir) 2 homologue hSIRT3 is a mitochondrial nicotinamide adenine dinucleotide-dependent deacetylase
Schwer B, et al.
The Journal of Cell Biology, 158(4), 647-657 (2002)
Shashi Kiran et al.
The FEBS journal, 280(14), 3451-3466 (2013-05-18)
Sirtuins belong to a class of NAD-dependent deacetylases, and include seven distinct isoforms, of which SIRT7 is the least studied member. In the present study, the subcellular expression of SIRT7 in primary fibroblasts undergoing senescence was evaluated by immunocytochemistry and

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