Stress-induced polyubiquitination of proteasomal ubiquitin receptors targets the proteolytic complex for autophagic degradation

Ubiquitin (Ub) is a small protein (8 kDa) found in all eukaryotic cells, which is conjugated covalently to numerous proteins, tagging them for recognition by a downstream effector. One of the best characterized functions of Ub is targeting proteins for either selective degradation by the proteasome,...

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