Redundancy and variation in the ubiquitin-mediated proteolytic targeting of a transcription factor

Abstract excerpt

As central components of the intricate networks of eukaryotic gene regulation, transcription factors are frequent targets of ubiquitin-dependent proteolysis. A well-known example is the budding yeast MATα2 (α2) transcriptional repressor, which functions as a master regulator of cell-type determination. Degradation of α2 by the ubiquitin-proteasome system is necessary for a phenotypic switch from one cell type to...

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