The Interplay of Acetylation and Ubiquitination Controls PRMT1 Homeostasis
Najar, M. A.; Beyer, J.; Crawford, C.; Burslem, G.
Show abstract
PRMT1 plays many important roles in both normal and disease biology, thus understanding its regulation is crucial. Herein, we report the role of p300-mediated acetylation at K228 in triggering PRMT1 degradation through FBXL17-mediated ubiquitination. Utilizing mass-spectrometry, cellular biochemistry, and genetic code-expansion technologies, we elucidate a crucial mechanism independent of PRMT1 transcript levels. These results underscore the significance of acetylation in governing protein stability and expand our understanding of PRMT1 homeostasis. By detailing the molecular interplay between acetylation and ubiquitination involved in PRMT1 degradation, this work contributes to broader efforts in deciphering post-translational mechanisms that influence protein homeostasis.
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