Immunogen sequence: YYPELFVWVS QEPFPNKDME GRLPKGRLPV PKEVNRKKND ETNAASLTPL GSSEL Highest antigen sequence identity to the following orthologs: Mouse - 78%, Rat - 76%. P311, also known as C5orf13 (chromosome 5 open reading frame 13), D4S114, PTZ17 or PRO1