Immunogen sequence: QDTVELREHH WVPRKAFLDN GPKTINQIRQ DAVKDLGVFI PAPMAQGMRS DFFLEGPFMP PRMKMDRDPL GGLADMFGQM PGSGIGTGPG VIQDRFSPTM GRHRSNQLFN GHGGHIMPPT QSQFGEMGGK FMKSQGLSQL YH Highest antigen sequence identity to the following orthologs: Mouse - 99%, Ra