-\exercise{Tree Based Conservation Analysis}{
-\label{consanalyexerc}
-\exstep{Load the PF03460 PFAM seed alignment using the sequence fetcher.
-Select {\sl Colour $\Rightarrow$ Taylor $\Rightarrow$ By Conservation}, set {\sl Conservation} shading threshold at around 20. }
-\exstep{Build a Neighbour joining tree using Select {\sl Calculate $\Rightarrow$ Calculate Tree $\Rightarrow$
-Neighbour Joining Using BLOSUM62}.}
-\exstep{Use the mouse cursor to select a point on the tree to partition the
-alignment into several sections.}
-\exstep {Select {\sl View $\Rightarrow$ Sort Alignment By Tree} option in the
-tree window to re-order the sequences in the alignment using the calculated
-tree.
-Examine the variation in colouring between different groups of sequences in the alignment
-window. }
-\exstep {You may find it easier to browse the alignment if you first uncheck the
-{\sl Annotations $\Rightarrow$ Show Annotations} option. Open the
-Overview Window within the View menu to aid navigation.}
-
-\exstep{Try changing the colourscheme of the residues in the alignment to
-BLOSUM62 (whilst ensuring that {\sl Apply Colour to All Groups} is selected).}
-{\sl Note: You may want to save the alignment and tree as a project file, since
-it is used in the next set of exercises. }
-
-{\bf See the video at:
-\url{http://www.jalview.org/training/Training-Videos}.}
-}
+% \exercise{Tree Based Conservation Analysis}{
+%\label{consanalyexerc}
+%\exstep{Load the PF03460 PFAM seed alignment using the sequence fetcher.
+%Select {\sl Colour $\Rightarrow$ Taylor $\Rightarrow$ By Conservation}, set
+% {\sl Conservation} shading threshold at around 20. } \exstep{Build a Neighbour joining tree using Select {\sl Calculate $\Rightarrow$ Calculate Tree $\Rightarrow$
+%Neighbour Joining Using BLOSUM62}.}
+%\exstep{Use the mouse cursor to select a point on the tree to partition the
+%alignment into several sections.}
+%\exstep {Select {\sl View $\Rightarrow$ Sort Alignment By Tree} option in the
+%tree window to re-order the sequences in the alignment using the calculated
+%tree.
+%Examine the variation in colouring between different groups of sequences in the
+% alignment window. }
+%\exstep {You may find it easier to browse the alignment if you first uncheck
+% the {\sl Annotations $\Rightarrow$ Show Annotations} option. Open the
+%Overview Window within the View menu to aid navigation.}
+
+%\exstep{Try changing the colourscheme of the residues in the alignment to
+%BLOSUM62 (whilst ensuring that {\sl Apply Colour to All Groups} is selected).}
+%{\sl Note: You may want to save the alignment and tree as a project file, since
+%it is used in the next set of exercises. }
+
+%{\bf See the video at:
+%\url{http://www.jalview.org/training/Training-Videos}.}
+%}