Older Versions of Protein Explorer Complete Version History Protein Explorer 1.982 Beta (September 2002) Includes Protein Comparator, discontinued in later versions. Works only in Internet Explorer or Netscape 4.8. Unable to load PDB files directly from the Protein Data Bank (since January, 2006). Can still load PDB files that you have saved to your local disk. Protein Explorer 2.45 Beta (January 2005) Set Project Folder, temporarily disabled in later versions, still works here (for loading PDB files from the command input slot, and running .spt command script files). Protein Explorer 2.76 Alpha (July 2005) (Provided only in case of unexpected problems with PE 2.78.) Back To Current Version of Protein Explorer Best help for beginners. Most powerful, newest features.