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Figure 5. Block of ROMK1 currents by intracellular QAs. Current traces without and with TMA, TEA, TPrA, TBA, or TPeA (each at 0.3 mM). The currents were elicited by stepping membrane voltage from the 0-mV holding potential to −100 mV (50 ms), and then to various test potentials (1 s) between −100 and +100 mV in 10-mV increments. All records were obtained from the same patch. Image published in: Guo D and Lu Z (2001) © 2001 The Rockefeller University Press. Creative Commons Attribution-NonCommercial-ShareAlike license Larger Image Printer Friendly View

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