Immunogen sequence: MEFSGRKWRK LRLAGDQRNA SYPHCLQFYL QPPSENISLI EFENLAIDRV KLLKSVENLG VSYVKGTEQY QSKLESELRK LKFSYRENLE DEYEPRRRDH ISHFILRLAY CQSEELRRWF IQQEMDLLRF RFSILPKDKI QDFLKDSQLQ FEAISDEEKT LREQEIVASS; Positive Samples: A375, H460, HeLa, HT-29, Mou