3CL Mpro; 3CL main protease; SARS–CoV-2; SARS–CoV-2 3CL main protease; X-ray crystallography; drug design; enzyme mechanism; hydrogen bond; joint neutron; neutron diffraction; protonation state; room temperature; viral protease.
3CL Mpro; 3CL main protease; SARS–CoV-2; SARS–CoV-2 3CL main protease; X-ray crystallography; drug design; enzyme mechanism; hydrogen bond; joint neutron; neutron diffraction; protonation state; room temperature; viral protease.