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Figure 8.
Figure 8 Recognition of the C20 opposite the Pr site by R109.
Stereo view showing the intercalation of the Fpg triad by the
minor groove and the pseudo-Watson−Crick interactions between
R109 and C20. Hydrogen bonds are indicated by dashed lines. The
atomic coordinates of the triad (M70/R99/F101) from the free
TtFpg have been superposed and are represented by green
ball-and-sticks. The figure was generated by Molscript (Kraulis
et al., 1991) and Raster3-D (Merritt and Murphy, 1994).
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