Figure 4 - full size

 

Figure 4.
Figure 4. Electron density of the P1 residue, Met192 and solvent molecules in the chymotrypsin-BPTI complexes: (a) P1 Gly, (b) P1 Val, (c) P1 Leu and (d) P1 Phe: 2F[o] -F[c] density is colored blue at 1s, and F[o] -F[c] density is colored green at 3s.

The above figure is reprinted by permission from Elsevier: J Mol Biol (2003, 333, 845-861) copyright 2003.