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. 2003 May;121(5):463–476. doi: 10.1085/jgp.200208780

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Copyright © 2003, The Rockefeller University Press

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Figure 6. — (A) Effect of the addition (at t = 0 s) of 0.5 μg/ml streptavidin on the gA5XB-mediated current across BLMs formed from the DPhPC solution with different contents of biotinylated lipid (0.02%, dashed line; 1%, solid line). The normalized values of the current (I/I _max) are plotted versus the time (the I _amx was ∼1 μA). (B) The time courses of the decrease in the gA5XB-mediated current across a BLM after a flash of visible light (at t = 0 s) in the presence of 1 μM AlPcS₃ before (curve 1) and after (curve 2) the addition of 0.5 μg/ml streptavidin to both sides of the BLM. The normalized values of the current (I/I₀) are plotted versus the time. The initial current (I ₀) was ∼1 μA. The BLM voltage was 65 mV. The solution was the same as in Fig. 1. (Inset) Deviations of the curve 2 from monoexponential (dashed-dotted curve) and biexponential (solid curve) fits.