A group in China worked with the full coronavirus on January 22 , 2020 .
On 22 January 2020 , a group in China working with the full virus and a group in the U.S. working with reverse genetics independently and experimentally demonstrated ACE2 as the receptor for 2019-nCoV.To look for potential protease inhibitors , the viral 3C-like protease M ( pro ) from the ORF1a polyprotein has also been modeled for drug docking experiments .
Severe acute respiratory syndrome coronavirus 2