Immunogen sequence: GSVVTRVHFC YDVRNLIDLD DQRRHAMRGR LFYTAKAKKT GKVMIRIHPC ARLCFCKCWT CFKEVDAEQY YSELEEQLTD EFNAELNRVP LKRLDLIFVT FQDSRMAKRV RKDYKYVQCG VQPQQSSVTT IVKSYYWRVT MA Highest antigen sequence identity to the following orthologs: Mouse - 85%, Ra