Ubiquitination Assay for Mammalian Cells
2016
Yang Peng | Edward Wang | Guang Peng | Shiaw-Yih Lin
Ubiquitin is an 8.5 kDa protein that can be activated and conjugated by ubiquitin-activating enzyme E1 and ubiquitin-conjugating enzyme E2, respectively. Ubiquitin E3 ligases then recognize protein substrates, and then transfer the ubiquitin from E2 to the targeted protein. This biological process is called ubiquitination, and it is an important biological process which can signal protein degradation via the proteasome. The aim of this protocol is to describe a procedure that determines the level of cellular ubiquitination in a protein-of-interest relative to control cells.
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