<tocitem text="Simple PDB Viewer" target="pdbmcviewer"/>
</tocitem>
<tocitem text="Viewing RNA structures" target="varna" expand="false"> </tocitem>
<tocitem text="Simple PDB Viewer" target="pdbmcviewer"/>
</tocitem>
<tocitem text="Viewing RNA structures" target="varna" expand="false"> </tocitem>