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KCNQ1 inhibits barium(2+). 1 / 1
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"First, while at low external K + (1 μM and 2 mM) Ba 2+ virtually suppressed KCNQ1 inactivation, Ba 2+ left KCNQ1 inactivation intact at 50 mM [K + ] 0 , as revealed by the presence of the hook in tail currents ( xref A) with a fractional inactivation of ∼0.6 without and with Ba 2+ ( xref C)."