Immunogen sequence: QSCQPSFYDG TIIVKKLPYL PRILGRNIGS HHVRVEHFMN HSITTLAKDT PLEEVVKVVT STDVTEYPLV ESTESQILVG IVQRAQLVQA LQAEPPSRAP GHQQCLQDIL ARGCPTEPVT LTLFSETTLH QAQNLFKLLN LQSLFVTSRG RAVGCVSWVE MKKAISNLTN PPAPK; Positive Samples: LO2, HT-29, A-549; Cel