Figure 4 - full size

 

Figure 4.
Figure 4. A stereo view of the electron density map of the a-enantiomer in the ENA11His Fab binding site at 2.05 Å resolution. The F[o] -F[c] omit map is contoured at 3s. The electron density clearly shows that only the SR configuration is bound into the binding site.

The above figure is reprinted by permission from Elsevier: J Mol Biol (2006, 357, 471-480) copyright 2006.