ArticleNature communications2025
Mechanism of nascent chain removal by the ribosome-associated quality control complex.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed.
- Protein entanglement misfolding influences whether proteins undergo proteasomal degradation or persist in near-native misfolded states.Nature communications · 2026Article
- Development and Structural Characterization of UTE-156, a Covalent Inhibitor of the VCP/p97 AAA+ ATPase.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Crosstalk between the ribosome quality control-associated E3 ubiquitin ligases LTN1 and RNF10.FEBS letters · 2026Article
- The ribosome-associated quality control factor TCF25 imposes K48 specificity on Listerin-mediated ubiquitination of nascent chains by binding and specifically orienting the acceptor ubiquitin.Genes & development · 2025Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Errors during translation can cause ribosome stalling, leaving incomplete nascent chains attached to large ribosomal subunits. Cells rely on the Ribosome-associated Quality Control (RQC) complex to recognize, process, and remove these aberrant proteins to maintain proteostasis. Despite its importance, the mechanisms by which the RQC orchestrates nascent chain processing and extraction have remained unclear. Here, we present a cryo-EM structure of the RQC complex from budding yeast, revealing how its core components function in nascent chain removal. We show that the Cdc48 ATPase and its Ufd1-Npl4 adaptor are recruited by the Ltn1 E3 ubiquitin ligase to extract ubiquitylated peptides from the 60S ribosome. Additionally, we find that Rqc1 bridges the 60S subunit with ubiquitin and Ltn1, facilitating formation of K48-linked polyubiquitin chains. These findings provide a structural and mechanistic framework for understanding how the RQC complex collaborates to clear stalled translation products, advancing insight into cellular protein quality control.
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Registered trials
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