Article
Distinct functional surface regions on ubiquitin.
The Journal of biological chemistry - 10 Aug 2001
Sloper-Mould K E, Jemc J C, Pickart C M, Hicke L
Abstract excerpt
The characterized functions of the highly conserved polypeptide ubiquitin are to target proteins for proteasome degradation or endocytosis. The formation of a polyubiquitin chain of at least four units is required for efficient proteasome binding. By contrast, monoubiquitin serves as a signal for the endocytosis of plasma membrane proteins. We have defined surface residues that are important for ubiquitin's vital...
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