Figure 1 - full size

 

Figure 1.
Figure 1. A Representative Region of Electron Density
Unbiased F[o] − F[c] electron density map contoured at 3σ. The residues, which are represented as sticks, were omitted from the map calculation.

The above figure is reprinted by permission from Cell Press: Cell (2006, 126, 893-904) copyright 2006.