Figure 3 - full size

 

Figure 3.
Figure 3 Electron-density map (2F[obs] - F[calc], 1 cutoff) of the active site of the human uropepsin showing aspartic acid residues 32 and 215.

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2001, 57, 1560-1570) copyright 2001.