Article
Basolateral membrane expression of a K+ channel, Kir 2.3, is directed by a cytoplasmic COOH-terminal domain.
Proceedings of the National Academy of Sciences of the United States of America - 28 Aug 2001
Le Maout S, Welling P A, Brejon M, Olsen O, Merot J
Abstract excerpt
The inwardly rectifying potassium channel Kir 2.3 is specifically targeted and expressed on the basolateral membrane of certain renal epithelial cells. In the present study, the structural basis for polarized targeting was elucidated. Deletion of a unique COOH-terminal domain produced channels that were mistargeted to the apical membrane, consistent with the removal of a basolateral membrane-sorting signal. By...
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