-import java.awt.*;
-import java.awt.event.*;
-
-import jalview.appletgui.*;
-import jalview.datamodel.*;
-import jalview.schemes.*;
+import jalview.appletgui.AlignmentPanel;
+import jalview.appletgui.EmbmenuFrame;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceI;
+import jalview.io.DataSourceType;
+import jalview.schemes.BuriedColourScheme;
+import jalview.schemes.HelixColourScheme;
+import jalview.schemes.HydrophobicColourScheme;
+import jalview.schemes.StrandColourScheme;
+import jalview.schemes.TaylorColourScheme;
+import jalview.schemes.TurnColourScheme;
+import jalview.schemes.ZappoColourScheme;