UBE2O is a quality control factor for orphans of multiprotein complexes

@article{Yanagitani2017UBE2OIA,
  title={UBE2O is a quality control factor for orphans of multiprotein complexes},
  author={Kota Yanagitani and Szymon Juszkiewicz and Ramanujan S Hegde},
  journal={Science},
  year={2017},
  volume={357},
  pages={472-475}
}
Many nascent proteins are assembled into multiprotein complexes of defined stoichiometry. Imbalances in the synthesis of individual subunits result in orphans. How orphans are selectively eliminated to maintain protein homeostasis is poorly understood. Here, we found that the conserved ubiquitin-conjugating enzyme UBE2O directly recognized juxtaposed basic and hydrophobic patches on unassembled proteins to mediate ubiquitination without a separate ubiquitin ligase. In reticulocytes, where UBE2O… CONTINUE READING
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