Disclosed are methods and compositions for the identification of inhibitors of farnesyltransferase enzymes involved in the prenylation of various cellular proteins, including cancer related ras proteins, such as p21.sup.ras, particularly, K-rasB. Enclosed are procedures for using purified farnesyltransferase...http://www.google.de/patents/US5962243?utm_source=gb-gplus-sharePatent US5962243 - Methods for the identification of farnesyltransferase inhibitors