symbols and graphs, this may be black by default, so your alignment
will be coloured black.</em>
</li>
+ <li><em>Secondary structure annotation colouring</em><br />By
+ default, Jalview will employ the helix or sheet colours to shade
+ sequences and columns by available secondary structure annotation
+ tracks. In the case of RNA, each structure is processed to identify
+ distinct RNA helices and rendered in the same way as the <a
+ href="rnahelicesColouring.html">RNA Helices shading scheme</a>. <em>Structure based sequence shading was added in Jalview 2.8.2</em></li>
<li>The colour scheme can display a colour gradient from a colour
representing the minimum value in the selected annotation to a colour
representing the maximum value in the selected annotation. Use the