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. 2011 Dec 15;6(12):e28778. doi: 10.1371/journal.pone.0028778

Figure 1. Location and flexibility of putative aromatic binding residues in hERG.

Figure 1

(A) π-π-stacking interactions between binding determinants Y652 and F656, located on helix S6 and residues F619 (P-helix) and F557 (S5 helix). Side chains are shown as green sticks (B). χ1/χ2 plot of Y652 and F656 (C) obtained from 50 ns MD simulations.