ChEBI: L-778,123 hydrochloride is the hydrochloride salt of L-778,123. It is a dual inhibitor of FPTase and GGPTase-I (IC50 of 2nM and 98nm, respectively) and exhibits anti-cancer properties. It has a role as an antineoplastic agent, an EC 2.5.1.58 (protein farnesyltransferase) inhibitor, an EC 2.5.1.59 (protein geranylgeranyltransferase type I) inhibitor and a radiosensitizing agent. It contains a L-778,123 (free base).