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Figure 6.
Figure 6. A Stereo View of the Combined Model of α-BTX-HAP
(Red) and AChBP Structure with Subunit A in Green and Subunit B
in Yellow Showing the Insertion of Loop 2 of the Toxin into the
Interface of the Two SubunitsThe positively charged HEPES
molecule (black stick figure) shows the location of the
acetylcholine binding site and the blockage of passage to this
site caused by the binding of the toxin. The HAP, which overlaps
the 182–193 loop of AChBP, is shown in blue
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