Immunogen sequence: TSKPPIYLQH QGHSRTVIGI EEKKNRTLCL LILDPGCPSR EMQKLLKQDI EASSLKQLRK SMGNLKHKQY QILAVEGALS LEEKLARRQA SQVFTA Antigen sequence identity: Mouse 89%; Rat 84%. Deubiquitinase with endodeubiquitinase activity that specifically interacts with