The multi-ion nature of the pore in Shaker K+ channels

We have investigated some of the permeation properties of the pore in Shaker K channels. We determined the apparent permeability ratio of K+, Rb+, and NH4+ ions and block of the pore by external Cs+ ions. Shaker channels were expressed with the baculovirus/Sf9 expression system and the channel curre...

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Veröffentlicht in:	Biophysical journal 1994-06, Vol.66 (6), p.1929-1938
Hauptverfasser:	Pérez-Cornejo, P., Begenisich, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia - metabolism Ammonia - pharmacology Animals Baculoviridae Cell Line Cell Membrane Permeability Cesium - pharmacology Drosophila Electric Stimulation Kinetics Mathematics Membrane Potentials - drug effects Models, Biological Moths Potassium - metabolism Potassium - pharmacology Potassium Channels - biosynthesis Potassium Channels - physiology Recombinant Proteins - biosynthesis Recombinant Proteins - metabolism Rubidium - metabolism Rubidium - pharmacology
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