A novel procedure for the efficient purification of the cystic fibrosis transmembrane conductance regulator (CFTR)

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Abstract
This report describes a novel, single-step strategy for the purification of the cystic fibrosis transmembrane conductance regulator from Sf9 cells, which will facilitate studies of the structure–function relationships of this clinically important molecule. The new method combines the use of the novel detergent sodium pentadecafluoro-octanoate with metal-affinity chromatography to produce a high yield of purified protein which can be functionally reconstituted as a chloride channel and an ATPase.