FTI-2153 is a potent and highly selective inhibitor of farnesyltransferase (FTase), with an IC50 of 1.4 nM. FTI-2153 is >3000-fold more potent at blocking H-Ras (IC50, 10 nM) than Rap1A processing. Anti-cancer activity[1].
[1]. Sun J, et al. Antitumor efficacy of a novel class of non-thiol-containing peptidomimetic inhibitors of farnesyltransferase and geranylgeranyltransferase I: combination therapy with the cytotoxic agents cisplatin, Taxol, and gemcitabine. Cancer Res. 1999 Oct 1;59(19):4919-26.