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Genetics. 2012 Oct;192(2):319-60. doi: 10.1534/genetics.112.140467.

The ubiquitin-proteasome system of Saccharomyces cerevisiae.

Author information

  • 1Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.

Abstract

Protein modifications provide cells with exquisite temporal and spatial control of protein function. Ubiquitin is among the most important modifiers, serving both to target hundreds of proteins for rapid degradation by the proteasome, and as a dynamic signaling agent that regulates the function of covalently bound proteins. The diverse effects of ubiquitylation reflect the assembly of structurally distinct ubiquitin chains on target proteins. The resulting ubiquitin code is interpreted by an extensive family of ubiquitin receptors. Here we review the components of this regulatory network and its effects throughout the cell.

PMID:
23028185
[PubMed - indexed for MEDLINE]
PMCID:
PMC3454868
Free PMC Article

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