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The proteasome makes sense of mixed signals

Protein ubiquitination is an important degradative signal, yet not all ubiquitinated proteins are degraded. Recent results reveal insights into the proteasome's strategy for integrating biophysical signals when choosing substrates for degradation.

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Figure 1: Candidate substrates are localized to the proteasome through conjugated ubiquitin domains, and the presence of a USR is also important to initiate proteolytic degradation.

Kim Caesar

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Wandless, T. The proteasome makes sense of mixed signals. Nat Chem Biol 5, 3–4 (2009). https://doi.org/10.1038/nchembio0109-3

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