bp(GO:"proteasome-mediated ubiquitin-dependent protein catabolic process") regulates deg(a(MESH:Proteins))
Under physiological conditions, UPS, located in the cytosol and the nucleus in eukaryotic cells, as a major intracellular short-lived protein degradation system (Schwartz and Ciechanover 2009), mediates the clearance of misfolded or other abnormally modified proteins with the help of ubiquitin-activating enzyme (E1), ubiquitin-conjugating enzyme (E2), ubiquitin ligase (E3), and the 26S proteasome for the sake of preventing the accumulation of toxic substances (Shang and Taylor 2011)
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If you find BEL Commons useful in your work, please consider citing: Hoyt, C. T., Domingo-Fernández, D., & Hofmann-Apitius, M. (2018). BEL Commons: an environment for exploration and analysis of networks encoded in Biological Expression Language. Database, 2018(3), 1–11.