Figure 4 - full size

 

Figure 4.
Figure 4. Displacements of the C, D and H helices. This view is opposite that in Figure 3; colors are as in Figure 3. Helices C and D are shown at the top of this Figure, labelled by their respective letters. The arrow labelled H indicates the C-terminal end of helix H, which displaces slightly towards the cavity (shown in light blue.)

The above figure is reprinted by permission from Elsevier: J Mol Biol (2007, 367, 752-763) copyright 2007.