Ubiquitin carboxyl-terminal hydrolase 6 (USP6)

Deubiquitinase with an ATP-independent isopeptidase activity, cleaving at the C-terminus of the ubiquitin moiety. Catalyzes its deubiquitination.

In vitro, isoform 2, but not isoform 3, shows deubiquitinating activity. Promotes plasma membrane localization of ARF6 and regulates ARF6- dependent endocytic protein trafficking.