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Description

Ubiquitin carboxyl-terminal hydrolase 7 (USP7) is a ubiquitin specific protease or a deubiquitylating enzyme that cleaves ubiquitin from its substrates.[Saridakis, 2005] Since ubiquitylation (polyubiquitination) is most commonly associated with the stability and degradation of cellular proteins, Ubiquitin carboxyl-terminal hydrolase 7 activity generally stabilizes its substrate proteins. Ubiquitin carboxyl-terminal hydrolase 7 is most popularly known as a direct antagonist of Mdm2, the E3 ubiquitin ligase for the tumor suppressor protein, p53.[Canning, 2004]