Immunogen sequence: METVQELIPL AKEMMAQKRK GKMVKLYVLG SVLALFGVVL GLMETVCSPF TAARRLRDQE AAVAELQAAL ERQALQKQAL QEKGKQQDTV LGGRALSNRQ; Positive Samples: K-562, 293T; Cellular Location: Mitochondrion. The G(0)-G(1) switch gene 2 (G0S2) codes for a mitochondri