Immunogen sequence: MFCTKLKDLK ITGECPFSLL APGQVPNESS EEAAGSSESC KATVPICQDI PEKNIQESLP QRKTSRSRVY LHTLAESICK LIFPEFERLN VALQRTLAKH KIKESRKSLE REDFEKTIAE; Positive Samples: U-87MG, A-549, 293T, Mouse kidney, Mouse brain, Rat kidney, Rat spleen, Rat lung; C