Here are recombinant proteins for SIRT1, the approved symbol for the human gene, 'sirtuin 1'. With a Uniprot ID of Q96EB6, this protein is listed as having 747 residues in length and a mass of 81.7 kDa. Up to 2 isoforms are reported. A subcellular localization as 'cytoplasmic, nuclear' is noted. Orthologs are reported in these species: mouse, rat. SIRT1 may also be known by other designations: 'NAD-dependent protein deacetylase sirtuin-1, SIR2-like protein 1, regulatory protein SIR2 homolog 1, sirtuin type 1'.