Immunogen sequence: QHIIPFRTYV IRYLCKLSDQ ELRQSAARNM ADLMWSTVKE PLDTTLCFDK ESLDLAFKYF MSPTLTMRLA GLSQITNQLH TFNDVCNNES LVSDTETSIA KELADWLI Highest antigen sequence identity to the following orthologs: Mouse - 100%, Rat - 21%. Ubiquitin hydrolase that can