Swiss PDB Viewer can be installed from this website:


You will need to extract the entire folder and place it under applications.





If you get the rotolib.aa error then try the following steps

  • Right click on the swissPDBviewer program after copying the folder to applications
  • Click Open Package Contents
  • Drill down to the macOS folder and double click the unix program inside
  • Now you can pick the correct pdb file to view