Analysis of a conditional degradation signal in yeast and mammalian cells.

Abstract excerpt

The N-end rule pathway is a ubiquitin-dependent proteolytic system, the targets of which include proteins that bear destabilizing N-terminal residues. The latter are a part of the degradation signal called the N-degron. Arg-DHFRts, an engineered N-end rule substrate, bears N-terminal arginine (a destabilizing residue) and DHFRts [a temperature-sensitive mouse dihydrofolate reductase (DHFR) moiety]. Previous work...

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