The HECT domain of TRIP12 ubiquitinates substrates of the ubiquitin fusion degradation pathway.

Abstract excerpt

The ubiquitin fusion degradation (UFD) pathway is a proteolytic system conserved in yeast and mammals in which an uncleavable ubiquitin moiety linked to the N terminus of a protein functions as a degradation signal of the fusion protein. Although key components of the UFD pathway in yeast have been identified, the E3 enzyme of the human UFD pathway has not been studied. In this work, we show that TRIP12 is the E3...

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