Immunogen sequence: SWLREKKAAL SMCKSVVAPA TDGGLNLTST FLRKNQCETR TMLLQPAGSL GSYSYRSPHW GSTYSVSVVE TDYDQYALLY SQGSKGPGED FRMATLYSRT QT Highest antigen sequence identity to the following orthologs: Mouse - 76%, Rat - 74%. The protein encoded by this gene is