The Sir2 family of protein deacetylases.

  title={The Sir2 family of protein deacetylases.},
  author={G. Blander and L. Guarente},
  journal={Annual review of biochemistry},
  • G. Blander, L. Guarente
  • Published 2004
  • Medicine, Biology
  • Annual review of biochemistry
  • The yeast SIR protein complex has been implicated in transcription silencing and suppression of recombination. The Sir complex represses transcription at telomeres, mating-type loci, and ribosomal DNA. Unlike SIR3 and SIR4, the SIR2 gene is highly conserved in organisms ranging from archaea to humans. Interestingly, Sir2 is active as an NAD+-dependent deacetylase, which is broadly conserved from bacteria to higher eukaryotes. In this review, we discuss the role of NAD+, the unusual products of… CONTINUE READING
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