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Figure 3. (A) Stereo view of the AA1 platform containing RNA fragment and 18 low energy ion binding sites (indicated by crosses) obtained after systematic docking by energy minimisation of 
800 evenly distributed K+ ions at the surface of the RNA fragment. The three most favourable ion binding positions are indicated by an increased cross thickness. (B) Stereo view of the AA2 platform containing RNA fragment with the 18 most favourable calculated K+ binding sites.
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