Immunogen sequence: PTKQVMMENK LEVHKDKTLK EAVEMAYKMM DLEEVIPLDC CRLVKYDEFH DYLERSYEGE EDTPMGLLLG GVKSTYMFDL LLETRKPDQV FQSY Highest antigen sequence identity to the following orthologs: Mouse - 97%, Rat - 97%. Ubiquitin-specific protease that specificall