added doc for PDBResNum features

diff --git a/help/html/features/viewingpdbs.html b/help/html/features/viewingpdbs.html
index eda328c..6e47707 100755 (executable)
--- a/help/html/features/viewingpdbs.html
+++ b/help/html/features/viewingpdbs.html
@@ -26,6 +26,11 @@
   service are automatically associated with their source database entry. For PDB 
   sequences, simply select PDB as the database and enter your known PDB id (appended 
   with ':' and a chain code, if desired).</p>
+  <p>Sequences which have PDB File associations are annotated with sequence features 
+  from the group 'PDBFile' giving the corresponding PDB Residue Number for each 
+  mapped residue in the seuqence. The display of these features is controlled through
+  the <strong>&quot;View&#8594;Sequence Features&quot;</strong> menu item and the 
+  <a href="featuresettings.html">Feature Settings dialog box</a>.</p> 
 <p>See the <a
 href="pdbviewer.html">PDB Viewer</a> help page for more information. </p> </p>
 </body>