Immunogen sequence: PPVCLKGSLY CEDCLNKPAR NSIIDAAKVW PNIPPPNTQP APLAVPLCNG CGTKGTGKET TLLLATSLGK AASKFGSPEV AVAGQVLENL PPIGVFWDIE NCSVPSGRSA TAVVQRIREK FFKGHREAEF ICVCDISKEN KE Highest antigen sequence identity to the following orthologs: Mouse - 91%, Ra