</tocitem>
<tocitem text="Viewing PDB Files" target="viewingpdbs" expand="false">
<tocitem text="Jmol Viewer" target="pdbjmol"/>
+ <tocitem text="Chimera Viewer" target="chimera"/>
<tocitem text="Simple PDB Viewer" target="pdbmcviewer"/>
</tocitem>
<tocitem text="Viewing RNA structures" target="varna" expand="false"> </tocitem>