Figure 1 - full size

 

Figure 1.
Figure 1 Stereographic projection along the z axis of the self-rotation function for the twofold axis (peak heights corresponding to the noncrystallographic twofold axis are 76% of the height of the peak corresponding to the crystallographic threefold axis).

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2005, 61, 230-235) copyright 2005.