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Figure 3 | BMC Medical Genetics

Figure 3

From: Mutations in the potassium channel subunit KCNE1 are associated with early-onset familial atrial fibrillation

Figure 3

Comparison of I Ks -WT and I Ks -G60D channel deactivation. KCNE1-WT (A) and KCNE1-G60D (B) channel subunits co-expressed with KV7.1 in X.laevis oocytes in a 1:1 molar ratio. Current step protocol is shown as inset. (C) Enlargement of the tail-currents normalized to maximum current amplitude (gray: IKs-WT; black: IKs-G60D). Deactivation time constants (tau) were obtained by fitting the tail-current traces to a mono-exponential function (D).

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