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Beschreibung

A highly potent and selective CAAX peptidomimetic of the carboxyl terminal of Ras proteins that inhibits farnesyl transferase (FTase) in vitro (IC50 = 500 pM). Inhibits geranylgeranyltransferase I (GGTase I) at much higher concentration (IC50 = 50 nM). Has been shown to selectively block the growth of a human lung carcinoma expressing oncogenic K-Ras in nude mice. Also inhibits oncogenic signaling and tumor growth of NIH 3T3 cells transformed with the Ras oncogene at 20 µ,M.