Immunogen sequence: EDPEIHGYFR DPHCLGEQEY FSSEECYEDD SSPTWSRQNY GYYSRYPGRN IDSERPRGYH HPQGFLEDDD SPVCYDSRRS PRRRLLPPTP ASHRRSSFNF ECLRRQSSQE EVPSSPIFPH RTALPLHLMQ QQIMAV Highest antigen sequence identity to the following orthologs: Mouse - 87%, Rat - 85%