Immunogen sequence: PEEFYNLVRF RIGGKRKVMP KMDQDSLSSS LKTCYKYLNQ TSRSFAAVIQ ALDGEMRNAV CIFYLVLRAL DTLEDDMTIS VEKKVPLLHN FHSFLYQPDW RFMESKEKDR QVLEDFPTIS LEFRNLAEKY QTVIADICR Highest antigen sequence identity to the following orthologs: Mouse - 85%, Rat -