PROS1 and viral infectious disease: Among them, VE607 (14) ((1-[3-(2-Hydroxyl-3-piperidin-1-yl-propoxy)-phenoxy]-3-piperidin-1-ylpropan-2-ol)), blocked the SARS-CoV S protein pseudotype virus infection of 293T cells expressing ACE2 with an EC50 of 3 μM and inhibited SARS-CoV plaque formation with an EC50 of 1.6 μM (Kao et al., 2004).