minor update

Andreas Prlic · Andreas Prlic · commit b4fc76f4698a · 2013-09-18T17:49:52.000-07:00
diff --git a/structure/README.md b/structure/README.md
@@ -3,6 +3,24 @@ The Protein Structure Modules of BioJava
 
 A tutorial for the protein structure modules of BioJava
 
+## About
+<table>
+    <tr>
+        <td>
+            <img src="img/4hhb_jmol.png"/>
+        </td>
+        <td>
+            The BioJava protein structure modules provide an API that allows to 
+            <ul>
+                <li>Maintain local installations of PDB</li>
+                <li>Load structures and manipulate them</li>
+                <li>Perform standard analysis such as sequence and structure alignments</li>
+                <li>Visualize structures</li>
+
+        </td>
+    </tr>
+</table>   
+
 ## Index
 
 This tutorial is split into several chapters.
diff --git a/structure/firststeps.md b/structure/firststeps.md
@@ -90,7 +90,7 @@ By default many people work with the *asymmetric unit* of a protein. However for
      public static void main(String[] args){
 
         try {
-                Structure structure = StructureIO.getBiologicalAssembly("4HHB");
+                Structure structure = StructureIO.getBiologicalAssembly("1GAV");
                 // and let's print out how many atoms are in this structure
                 System.out.println(StructureTools.getNrAtoms(structure));
             } catch (Exception e){
