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Figure 3.
Figure 3. The active and binding sites of BoNT/B. a, Stereo
view of the active site environment. Zinc and bonds to its
coordinating residues are shown in orange. Residues in the first
shell around the zinc (the immediate surroundings) are shown as
ball and stick models, while residues in the second shell and
water molecules are shown as ball and stick models with their
van der Waals surfaces as dotted surfaces. Hydrogen bonds are
shown as thin blue lines. b, Stereo view of sialyllactose and
the residues interacting with it. Residues from a symmetry
related molecule are shown in blue. Potential hydrogen bond
contacts are shown as dashed lines.
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