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. Author manuscript; available in PMC: 2007 May 24.
Published in final edited form as: Arch Biochem Biophys. 2006 Nov 7;458(1):65–72. doi: 10.1016/j.abb.2006.10.022

Figure 2.

Figure 2

Effect of [Mg2+]p on the VM dependence of steady state ICa inactivation. Two-pulse inactivation protocol with a 20 sec prepulse and 200 msec test depolarization to 0 mV (top). Typical currents with a prepulse of -30 mV where traces (1) and (2) were recorded with 0.2 and 1.8 mM [Mg2+]p, respectively (middle). ICa plotted versus prepulse potential (VM) for myocytes voltage-clamped at 0.2 (● , n=6) and 1.8 mM [Mg2+]p (▲ , n=6) (bottom).