Immunogen sequence: SPAGLRRANS VQASRPAPGS VQSPAPPQPG QPGTPGGSRP GPGPAGRFPD QKPEVAPSDP GTTAPPREER TGGVGGYPAV GAREDRMSHP SGPYSQASAA APQPAAARQP PPPEEEEEEA NSYDSDEATT LGALEFSLLY DQDNS Highest antigen sequence identity to the following orthologs: Mouse - 70%,