Immunogen sequence: LEIREQTKSK SEAKWKYKNS KPDSLLKMEE EQKLEKSPLA GNKDNKFSFS FSNKKLLGSK ALRPPTSPGV FGALQNFKED KPKPVRDEYE YVSDDGELKI DEFPIRRKKN APKRDLSFLL DKKAVLPTPV TKPKLD Highest antigen sequence identity to the following orthologs: Mouse - 90%, Rat - 88%