There should a spinning gray structure to the right of this page. To make it a little pretty, let's add some by clicking the green link. You should be able to rotate and zoom on this structure. Then open
http://www.rcsb.org/pdb/101/motm.do?momID=49, which will direct you to a page on
the RCSB website in the form of a Molecule of the Month article from a few years ago.
There are three web pages associated with this article, which you navigate by clicking the
Next and Previous button