PDR2 Gain-of-function mutations eliminate the need for Pdr1 and require the UBP6 product for resistance to translational inhibitors.

Abstract excerpt

The yeast YRR1 gene was identified as a sequence encoding a protein that is related in structure to the Pdr1 and Pdr3 zinc cluster transcription factors. Dominant gain-of-function mutations were recovered that cause a multidrug resistance to inhibitors transported by the SNQ2 and YOR1 proteins. It was previously reported by others that null mutations in YRR1 cause hypersensitivity to these agents. In this study,...

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