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. 2006 Apr 14;91(2):580–587. doi: 10.1529/biophysj.106.083352

FIGURE 3.

FIGURE 3

Ratios between H+ currents in distinct PE and PC bilayers (IH(PE)/IH(PC)) against membrane potential. Di-O and PO are bilayers having dioleoyl and palmitoyl-oleoyl as acyl chains, respectively. Notice that proton currents were measured in distinct channels and bilayers. For these plots, original recordings were low-pass Bessel filtered at 10 Hz to remove the fast closing flickers (48). Linear regression lines are −9.93 × 10−4 × (mV) + 0.92 (PO), and −8.89×10−4 × (mV) + 0.72 (Di-O) indicating attenuation of IH by ∼20–25% per 100 mV.