The SARS-CoV-2 strain BetaCoV/Beijing/IME-BJ01/2020 was originally isolated by C. F. Qin’s laboratory (Beijing, China) as described previously (24 (link)). Virus stocks were propagated and titers were determined on Vero E6 cells. All experiments with infectious SARS-CoV-2 virus were conducted in a biosafety level 3 laboratory in the Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences.
3-MA (HY-19312), rapamycin (HY-10219), E64D (HY-100229), pepstatin A (HY-P0018), SAR405 (HY-12481), and VPS34-IN-2 (HY-12473) were purchased from MedChemExpress (Monmouth Junction, NJ). VPS34-IN-1 (A15874) was purchased from Adooq Bioscience (Irvine, CA). CQ (C6628) was purchased from Sigma-Aldrich (St. Louis, MO).