There was another discussion in November about hrsACE2 which as well inhibits binding: https://news.ycombinator.com/item?id=25008048 https://news.ycombinator.c

There was another discussion in November about hrsACE2 which as well inhibits binding: https://news.ycombinator.com/item?id=25008048 https://news.ycombinator.com/item?id=25008048 https://www.youtube.com/watch?v=EMaKFcpV5wg https://www.youtube.com/watch?v=EMaKFcpV5wg APN001 is a hrsACE2 designed by Apeiron Biologics to imitate the human enzyme ACE2. hrsACE2 at tissue sites can effectively compete with the endogenous ACE2 and limits SARS-CoV-2 entrance into the host cells