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The reverse reaction of ubiquitylation is catalyzed by different classes of deubiquitylation enzymes (DUBs), including ovarian tumor domain (OTU)-containing DUBs; experiments using Homo sapiens proteins have demonstrated that OTU DUBs modulate various cellular processes. With the exception of OTLD1, plant OTU DUBs have not been characterized. We identified(More)
Post-translational modification by ubiquitin plays a critical regulatory function in nearly all aspects of plant biology (Vierstra, 2009). Diverse conjugation enzymes attach monoubiquitin or polyubiquitin, with eight different linkages, as distinct signals to the regulatory and mechanistic components of various cellular processes. This ebook updates the(More)
Ubiquitylation marks proteins for destruction by the 26S proteasome. These signals are deciphered and targeted by distinct direct and indirect pathways involving a set of evolutionarily conserved ubiquitin receptors. Although biochemical and structural studies have revealed the mechanistic complexity of these substrate recognition pathways, conclusive(More)
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