Sirt Antibodies

Sir2 is short for Silent mating type Information Regulation-2. Sir2 (whose homolog in mammals is known as SIRT1, SIR2L1 or Sir2α) is the namesake of a family of closely related enzymes, the sirtuins. Members of this family have been found in nearly all organisms studied. Sirtuins are hypothesized to play a key role in an organism's response to stresses (such as heat or starvation) and to be responsible for the lifespan-extending effects of calorie restriction. Sirtuins act by removing acetyl groups from proteins in the presence of NAD+; they are thus classified as "NAD+-dependent deacetylases". In mammals, SIRT1 (the mammalian homolog of Sir2) has been shown to deacetylate and thereby deactivate the p53 protein. EMD Millipore’s Sirt antibodies are based on the expertise of Upstate & Chemicon. Our Sirt antibodies have been well validated and published. See the ordering tab for a comprehensive list of our Sirt products and direct links to their technical pages for data, references and related products.