Immunogen sequence: FVASPLAKSF GIKETVRKVT PNTVLENFFK HSTRQPLQTD IYGLAKKCNL TERQVERWFR SR Highest antigen sequence identity to the following orthologs: Mouse - 73%, Rat - 66%. LASS3 (Longevity Assurance homolog 3) is a member of a highly conserved family