Figure 4 - full size

 

Figure 4.
Figure 4 Hydration of the heptamer structure gCGCGCG. (a) Water structure in the minor groove. The backbones of the heptamer are shown in dark lines as zigzag chains, while hydrogen bonds are shown as dotted lines. (b) Water structure in the major groove. (c) Three different hydration patterns for the phosphate groups.

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2003, 59, 433-437) copyright 2003.