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Atomistic simulations. (a) Snapshot of the system. Arginine tail is in blue, Glutamic acid in red while the neutral amino acid (Isoleucine, in this case) is in pink and it is in the pore constriction (yellow). Water, ions and lipid membrane are not represented for the sake of clarity. (b) The inverse of area available for the electrolyte passage for the open pore and for RIE (Pe4) and RSE (Pe6) cases.
