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  • Title: Inhibitors of farnesyltransferase and Ras processing peptidase.
    Author: Hall CC, Watkins JD, Ferguson SB, Foley LH, Georgopapadakou NH.
    Journal: Biochem Biophys Res Commun; 1995 Dec 26; 217(3):728-32. PubMed ID: 8554591.
    Abstract:
    Four analogs of the carboxy terminus of unprocessed p21Ras protein were evaluated as inhibitors of the p21Ras processing farnesyltransferase and peptidase. While three showed no crossover of inhibitory activity between the enzymes, the fourth (a naphthyl-substituted peptide) inhibited both farnesyltransferase and peptidase, with IC50s of 16 microM and 3 microM, respectively. Such inhibition of more than one step of Ras processing may complicate assessment of the mode of action for some inhibitors of Ras processing peptidase.
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