Figure 3 - full size

 

Figure 3.
Figure 3. Interactions in the vicinity of the active site of proteinase A. Proteinase A (green, with the active site aspartates red) complexed to IA[3] (yellow with orange side chains) is superimposed on progastricsin (purple). Water molecules in the proteinase A complex are blue, and hydrogen bonds are marked as thin lines.

The above figure is reprinted by permission from Macmillan Publishers Ltd: Nat Struct Biol (2000, 7, 113-117) copyright 2000.