Immunogen sequence: KAFCVANKQF MNGIRDLAQY SSNDAVVETS LTKFSDSLQE MINFHTILFD QTQRSIKAQL QNFVKEDLRK FKDAKKQFEK VSEEKENALV KNAQVQRNKQ HEVEEATNIL T; Positive Samples: LO2, HeLa, Jurkat, U-87MG, A-549, Mouse brain, Mouse liver; Cellular Location: Endosome memb