Immunogen sequence: HRFPEIDKPC GCNKCRKDCI KNSVLHRINP GENGLKSNEY RNGFRDDADL PPHPRVPLKE KLCQYDEFSE GLRHSAHLNR HQRVPTGEKS VKSLERGRGV RQNTHIRNHP RA Highest antigen sequence identity to the following orthologs: Mouse - 38%, Rat - 35%. May be involved in trans