Increased ubiquitin expression suppresses the cell cycle defect associated with the yeast ubiquitin conjugating enzyme, CDC34 (UBC3). Evidence for a noncovalent interaction between CDC34 and ubiquitin.

Abstract excerpt

The yeast ubiquitin (Ub) conjugating enzyme CDC34 plays a crucial role in the progression of the cell cycle from the G1 to S phase. In an effort to identify proteins that interact with CDC34 we undertook a genetic screen to isolate genes whose increased expression suppressed the cell cycle defect associated with the cdc34-2 temperature-sensitive allele. From this screen, the poly-Ub gene UBI4 was identified as a...

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