-import java.awt.*;
-import java.awt.event.*;
-import javax.swing.*;
-
-import jalview.analysis.*;
-import jalview.datamodel.*;
-import jalview.gui.*;
-import jalview.structure.*;
+import java.awt.Image;
+import java.awt.RenderingHints;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.io.PrintStream;
+import java.util.List;
+import java.util.Vector;
+
+import javax.swing.JPanel;
+import javax.swing.ToolTipManager;
+
+import jalview.analysis.AlignSeq;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceI;
+import jalview.gui.AlignmentPanel;
+import jalview.gui.FeatureRenderer;
+import jalview.gui.SequenceRenderer;
+import jalview.structure.AtomSpec;
+import jalview.structure.StructureListener;
+import jalview.structure.StructureMapping;
+import jalview.structure.StructureSelectionManager;