Immunogen sequence: RINTVQYGTS DNKKDNTLQC GMEVNSSILS GCASNHPKNS AQNLTKDSTL KHEGFYSENL TESRKFLKSR EKQSSLTEIK GSVYETTYSP PECPFCGKIE EHSEDMETHV KTKHANLLDI PLEDCDQPLY DCPMC Highest antigen sequence identity to the following orthologs: Mouse - 66%, Rat - 64%.