</head>
<body>
<p><strong>Viewing PDB Structures</strong></p>
-
-<p>Jalview can view protein structures associated with a sequence
-via the <strong>"Structure→"</strong> submenu from a
-sequence's <a href="../menus/popupMenu.html">pop-up menu</a>.</p>
-A <a href="jmol.html">Jmol viewer</a> has been included since Jalview 2.3. Jalview 2.8.2 added support for <a href="https://www.cgl.ucsf.edu/chimera/">Chimera</a>,
-provided this has been separately installed. Choice of default viewer is configurable in the Preferences <a href="preferences.html#structure">Structure tab</a>.
-
-<p>The following menu entries are provided for viewing structure data<br>
+ <p>
+ Jalview can view protein structures associated with a sequence via the
+ <strong>"Structure→"</strong> submenu from a sequence's <a
+ href="../menus/popupMenu.html">pop-up menu</a>.
+ </p>
+ The
+ <a href="jmol.html">Jmol viewer</a> has been included since Jalview
+ 2.3. Jalview 2.8.2 included support for
+ <a href="https://www.cgl.ucsf.edu/chimera/">Chimera</a>, provided it is
+ installed and can be launched by Jalview. The default viewer can be
+ configured in the
+ <a href="preferences.html#structure">Structure tab</a> in the
+ <strong>Tools→Preferences</strong> dialog box.
+ <p>
+ Structure data imported into Jalview can also be processed to display
+ secondary structure and temperature factor annotation. See the <a
+ href="xsspannotation.html">Annotation from Structure</a> page for
+ more information.
+ </p>
+ <p>The following menu entries are provided for viewing structure data<br>
<ul>
<li>The <strong>"Structure→View
Structure→</strong> submenu allows a single PDB structure to be chosen