Reference: Yan LL and Zaher HS (2019) Ubiquitin-a beacon for all during quality control on the ribosome. EMBO J 38(5)

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Abstract


Ribosome stalling triggers no-go decay (NGD) and ribosome-associated quality control (RQC) pathways to rapidly degrade the aberrant mRNA and the incomplete nascent peptide, respectively. Two recent studies in yeast and mammalian systems reveal the importance of stalling-induced ribosomal protein ubiquitination by Hel2/ZNF598 for both NGD and RQC The studies also structurally explain how collided ribosomes generate a unique interface not present in monosomes, which can be recognized by Hel2/ZNF598 ubiquitin ligases.

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Comment | Journal Article
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Yan LL, Zaher HS
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