Figure 1. Voltage-dependent block of the ROMK1 channel by intracellular TEA in various extracellular alkali ions. Macroscopic I–V curves of the ROMK1 channel were recorded in the absence or presence of various concentrations of intracellular TEA. The pipette solutions contained 100 mM of either K+, Rb+, Cs+, Na+, or NMG+. The bath solution contained 100 mM K+ in all cases.
Image published in: Spassova M and Lu Z (1999)
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