Antiviral activity against SARS-CoV-2 infected in human A549-ACE2 cells assessed as effect on cell viability pretreated with compound for 1 hr followed by viral infection measured after 2 hrs by Nano-Glo reagent based LDH assay
Inhibition of human wild type partial length PIKfyve (F1512 to C2098 residues) expressed in mammalian expression assessed as remaining activity at 1 uM by Kinomescan assay relative to control
Inhibition of human GST tagged PIKFYVE (1493 to end residues) expressed in baculovirus-infected Sf9 cells using PI(3)P:PS as substrate incubated for 60 mins in presence of ATP by ADP-Glo assay
Inhibition of wild-type human partial length MAST1 (S346 to V730 residues) expressed in mammalian expression system assessed as residual activity at 1 uM by Kinomescan method relative to control
Inhibition of His-6 tagged SARS-CoV-2 spike protein uptake in ACE2 overexpressing HEK293T cells at 1 uM incubated for 30 mins by DAPI staining based confocal microscopy analysis