Molecular identification of Ca2+-activated K+ channels in parotid acinar cells.

Abstract excerpt

We used molecular biological and patch-clamp techniques to identify the Ca(2+)-activated K(+) channel genes in mouse parotid acinar cells. Two types of K(+) channels were activated by intracellular Ca(2+) with single-channel conductance values of 22 and 140 pS (in 135 mM external K(+)), consistent with the intermediate and maxi-K classes of Ca(2+)-activated K(+) channels, typified by the mIK1 (Kcnn4) and mSlo...

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