+import jalview.api.SequenceStructureBinding;
+import jalview.appletgui.AlignFrame;
+import jalview.appletgui.EmbmenuFrame;
+import jalview.appletgui.FeatureSettings;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+import jalview.io.AnnotationFile;
+import jalview.io.AppletFormatAdapter;
+import jalview.io.FileParse;
+import jalview.io.IdentifyFile;
+import jalview.io.JnetAnnotationMaker;
+
+import java.applet.Applet;
+import java.awt.Button;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.event.ActionEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;