@ethanjweiss @sherohomestead @DrJenGunter @sfchronicle So it binds on the spike in a region that is nearly identical in sequence to its intended SARS target. Got it. Similar to $PFE's SARs protease inhibitor in dev for Covid-19. Intended to bind SARS protease but that's almost identical to C19 protease. Shld inhibit viral replication