Immunogen sequence: FPGFRLALPP KRWFKDNYNA DFLEDRQLGL QAFLQNLVAH KDIANCLAVR EFLCLDDPPG PFDSLEESRA FCETLEETNY RLQKELLEKQ KEMESL Highest antigen sequence identity to the following orthologs: Mouse - 96%, Rat - 97%. This gene encodes a member of the sorting