FIGURE 3.

bSLO3 channels are high conductance K⁺ channels and are active over a wide voltage range. A, analysis of single channel openings in inside-out patches showed channel openings over a broad voltage range (shown from −80 to +50 mV). This is consistent with our whole cell measurements of the bSLO3 conductance-voltage relation showing activity over a broad voltage range (Fig. 2). B, a plot of single channel amplitudes at different voltages yielded a bSLO3 channel conductance of 83 pS in symmetrical 140 mm K⁺.