Rasmol is a stand-alone program available for Mac, Windows, and Unix platforms. Chime is a plug-in which as of this writing works only with recent versions of Netscape. To do this, you have several options. U Mass. This site showcases much more sophisticated presentations than are provided here, but at some cost to simplicity and interactivity. You can get the Chime plug-in to display structures from within Netscape from MDLI .
Nothing can crash a computer like Netscape, esp.
Rasmol can be run on its own after you have quit Netscape or whatever and re-connected your phone line, and the command line gives you more control and immediate feedback. You can even just ftp the pdb file and run Rasmol without running a browser at all, but any computer that can't run Netscape will probably choke on any complicated Rasmol work. For more rasmol, other PDB viewers, and a great deal more, see The NIH Guide to Molecular Modeling . Some UNIX setups may require you to change your .mailcap file. If you install Chime, it will modify the .mailcap file or otherwise take over.