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Figure 4.
Figure 4. Stereo images of the active site of PIV3 HN
complexed with (a) b-sialic acid, (b) Neu5Ac2en and (c)
zanamivir. Two active-site water molecules are shown (w1 and w2,
see the text). Potential hydrogen bonds are shown as black
dotted lines. The Figure was produced using MOLSCRIPT[55.] and
Raster3D. [56.]
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