Positive Samples: HeLa, 293T, A-431, Rat brain Immunogen sequence: MASPSSFTYY CPPSSSPVWS EPLYSLRPEH ARERLQDDSV ETVTSIEQAK VEEKIQEVFS SYKFNHLVPR LVLQREKHFH YLKRGLRQLT DAYECLDASR. Eukaryotic cells contain 3 different types of prenyltransferases that attach