Immunogen sequence: PPLGYDLRRI KVAFSGLVDI VDIRNALVGG YKNPSMIPIE KAQGPILLIV GQDDHNWRSE LYAQTVSERL QAHGKEKPQI ICYPGTGHYI EPPYFPLCPA SLHRLLNKHV IWGGEPRAHS KAQEDAWKQI LAFFCKHLGG TQKT Highest antigen sequence identity to the following orthologs: Mouse - 75%,