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Figure 7.
Fig. 7. Molecular surface of the CPP32 tetramer generated by
GRASP (45). The molecule is seen parallel to the 2-fold axis.
The surface is colored according to its electrostatic potential.
Red and blue areas represent negative and positive charge
density, respectively. Two Ac-DVAD-fmk molecules (colored
according to atom type) bind to the tetramer. The inhibitor
residues and the^ central cavity discussed under "Results and
Discussion" are labeled.
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