Immunogen sequence: GVGPKGGVLL CPPRPCLTPT PSEGSLANGW GSASEDNAAS ARASLVSSSD GSFLADAHFA RALAVAVDSF GFGLEPREAD CVFIDASSPP SPRDEIFLTP NLSLPLWEWR PDWLEDMEVS HTQRLGRGMP PWPPDSQISS QRSQLHCRMP KAGASPVDYS; Positive Samples: HT-29, HepG2, HT-1080, HeLa. Receptor f