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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Heart Rhythm. 2011 Dec 7;9(5):760–769. doi: 10.1016/j.hrthm.2011.12.006

Figure 4. The effect of SCN1Bb subunit on current decay of INa.

Figure 4

A: Overlapping sodium channel current (INa) traces from cells expressing NaV1.5, in the absence and presence of SCN1Bb wild-type (WT) and variant. INa was evoked by +20mV depolarizing pulses from a holding potential of −120m V. Traces are shown normalized to their individual peak value. B and C: Current decay (τ fand τs) for all 3 groups fitted with double exponential function.