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. 2003 Sep 18;554(Pt 2):255–261. doi: 10.1113/jphysiol.2003.049072

Figure 2. SK channels are Ca2+ gated.

Figure 2

Application of increasing concentrations of Ca2+ applied to the inside face of patches excised from SK2-transfected cells yield increasing current amplitudes in response to voltage ramp commands. The channels have a KD of ∼0.5 μm and a steep Ca2+ dependence.