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. 2007 Nov;130(5):479–496. doi: 10.1085/jgp.200709844

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Copyright © 2007, The Rockefeller University Press

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Figure 1. — Ensemble average of WT single-channel activity. Inside-out patches from liposomes containing KcsA in a low protein:lipid ratio (1:10,000 mass:mass). Representative openings elicited in response to jumps of indicated pH at +100 mV (top). The arrow marks the delay to first opening. The peak amplitude of current at pH 3.0 reveals approximately three to five channels in the patch. Ensemble averages of single-channel currents from 10 pulses of pH (bottom).