UCSF ChimeraX is the next-generation visualization program from the Resource for Biocomputing, Visualization, and Informatics at UC San Francisco.

The image below shows the COVID-19 MPro with a fragment bound taken from Project Moonshot.

The release candidate is available here https://www.rbvi.ucsf.edu/chimerax/download.html.

chimerax-rc.dmg built: 2020-09-07 04:36:35 PDT committed: 2020-09-06 22:34:34 PDT size: 337.3 MiB

Download is a disk image containing the application. Tested on macOS 10.13. This application does not run on 10.12 or older due to operating system changes.