Thiopurines inhibit coronavirus Spike protein processing and incorporation into progeny virions

Eric S. Pringle, Brett A. Duguay, Maxwell P. Bui-Marinos, Rory P. Mulloy, Shelby L. Landreth, Krishna Swaroop Desireddy, Stacia M. Dolliver, Shan Ying, Taylor Caddell, Trinity H. Tooley, Patrick D. Slaine, Stephen L. Bearne, Darryl Falzarano, Jennifer A. Corcoran, Denys A. Khaperskyy, Craig McCormick