Immunogen sequence: LGTVEEILPS LSENISVWGM KDSVPQGVIS LKEKLSTSPD EPVPRSHHVV SLLKSTCLYI FTSGTTGLPK AAVISQLQVL RGSAVLWAFG CTAHDIVYIT LPLYHSSAAI LGISGCVELG ATCVLKKKFS ASQFWS Highest antigen sequence identity to the following orthologs: Mouse - 80%, Rat - 82%