Immunogen sequence: ADTFTGLVHS HELPLDPAKL DMLVALAQSN EQGQVCYQEL VDLISSKRSS SFKRAIANGQ RALPRDGPLD EPGLGVYKRF VRY Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 94%. May be involved in regulated intramembrane proteolysis a