Immunogen sequence: NKSGYTSRNP QSYHLLSKEQ SRNSLRKESL IFMKGVMDEC THVANFSVPV DPSLIIVVQA KEDAYIPRTG VRSLQEIWPG CEIRYL Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 88%. C4orf29 (Chromosome4 open reading frame 29)is a secre