Gliotoxin is a dual inhibitor of farnesyltransferase and geranylgeranyltransferase I with antitumor activity against breast cancer in vivo - Vigushin, D M; Mirsaidi, N; Brooke, G; Sun, C; Pace, P; Inman, L; Moody, C J; Coombes, R C (Med Oncol, 2004)