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Chime is an awesome FREE! tool that downloads a description of a molecule onto your computer such that instructions encoded in the web page are used to generate views and movies--without having to download picture after picture from the website. This means that once you've accomplished the first tedious download, everything else should happen about as fast as your computer can think. The instructions that your computer downloads are minimal. Sort of like teaching a robot how to do all the movements required for walking, and then sending it to Mars and only having to tell it 'go left', 'straight one mile', etc.
A couple things are useful to know. While I've filled the pages with pre-programmed buttons (they look like grey boxes with an X in them), you can also take control yourself. If you click on the image, as long as you hold down the mouse button you can 'drive' the molecule's x- and y-axis movements. By holding down the shift or command or other keys, you can make the image grow and shrink, rotate about the z-axis.... If you click and hold the mouse button on the image, a menu will drop down with other fun things to do.
Note that I've stripped the file down as much as is possible to speed up the download. One consequence is that some of the neat capabilities of Chime and molecular modeling don't count for much. If you really enjoy looking at the image and manipulating it, I strongly encourage you to download the coordinates to your own computer as well as RasMol 2.6-ucb or SPDBViewer software (both free for the downloading); then you can do almost anything, and there's no waiting for web communications! On the other hand, if you just want a better look at the molecule as a 3-dimensional entity and a chance to see some of the regions and relationships I talk about throughout these pages, give a try to downloading the Chime plug-in. It's an amazing toy.
Happy MoleViewing!
Click to go to You Drive (Don't go if you haven't downloaded Chime plug in!)
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