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Figure 6.
Fig. 6. The catalytic triad and surrounding residues (A)
standard catalytic triad (Asp, His, and Ser), (B) D102N trypsin
(drawn from Ref. 12), and (C) D641N prolyl oligopeptidase.
Hydrogen bonds are shown as dotted lines. Distances are shown
using double-headed arrows. The figure was drawn using ISIS Draw
(www.mdli.com).
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