Targeting deubiquitinases enabled by chemical synthesis of proteins.
2012
Ubiquitination/ubiquitylation is involved in a wide range of cellular processes in eukaryotes, such as protein degradation and DNA repair. Ubiquitination is a reversible post-translational modification, with the removal of the ubiquitin (Ub) protein being catalyzed by a family of enzymes known as deubiquitinases (DUBs). Approximately 100 DUBs are encoded in the human genome and are involved in a variety of regulatory processes, such as cell-cycle progression, tissue development, and differentiation. DUBs were, moreover, found to be associated with several diseases and as such are emerging as potential therapeutic targets. Several directions have been pursued in the search for lead anti-DUB compounds. However, none of these strategies have delivered inhibitors reaching advanced clinical stages due to several challenges in the discovery process, such as the absence of a highly sensitive and practically available high-throughput screening assay. In this study, we report on the design and preparation of a FRE...
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