-import jalview.analysis.AlignSeq;
-import jalview.appletgui.AlignmentPanel;
-import jalview.appletgui.FeatureRenderer;
-import jalview.appletgui.SequenceRenderer;
-import jalview.datamodel.PDBEntry;
-import jalview.datamodel.SequenceI;
-import jalview.structure.AtomSpec;
-import jalview.structure.StructureListener;
-import jalview.structure.StructureMapping;
-import jalview.structure.StructureSelectionManager;
-import jalview.util.MessageManager;
-