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. 2011 Dec 13;2:78. doi: 10.3389/fphar.2011.00078

Figure 4.

Figure 4

IonWorks Quattro Nav pulse protocol designed specifically to characterize interaction with the inactivated-state of the channel. Pulse 1 drives Nav channels primarily into the inactivated state, the 5 ms step back to −120 mV relieves the fast inactivation, and the second depolarizing pulse (Pulse 2) defines a compound’s ability to bind to the inactivated-state of the channel.