Golgicide A inhibits the effect of shiga toxin on protein synthesis with an IC50 of 3.3 μM. Golgicide A causes a decrease in GBF1-mediated Arf1 activation, arrests secretion of soluble and membrane-anchored proteins and then impairs retrograde toxin transport. Golgicide A decreases HCV RNA levels in FLRP1 cells and J6/JFH1 cells. In addition, Golgicide A causes redistribution of NS5A and accumulation of infectious viral particles in J6/JFH1 cells.