PCA and representatives of five pocket-ligand pair illustrations.

<p>Five pocket-ligand pair clusters are illustrated by showing the pair closest from the pocket and ligand average values of each pair. Each pair is coloured according to the clustering of <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0063730#pone-0063730-g003" target="_blank">Figure 3</a>.</p>