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Overview
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SIRT1 is a protein encoded by the SIRT1 gene which is approximately 81, 6 kDa. SIRT1 is localised to the nucleus and cytoplasm. It is involved in NAD metabolism, AMP-activated protein kinase signalling, longevity regulating pathway and p53 signalling. It is an NAD-dependent protein deacetylase that links transcriptional regulation directly to intracellular energetics and participates in the coordination of several separated cellular functions such as cell cycle, response to DNA damage, metabolism, apoptosis and autophagy. It can also modulate chromatin function through deacetylation of histones and can promote alterations in the methylation of histones and DNA, leading to transcriptional repression. SIRT1 is widely expressed in human tissues. Mutations in the SIRT1 gene may result in obesity and xeroderma pigmentosum. STJ95667 was affinity-purified from rabbit antiserum by affinity chromatography using epitope-specific immunogen. This polyclonal antibody detects endogenous levels of SIRT1 protein.
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Overview