CFTR, a channel with the structure of a transporter

John R. Riordan, Xiu-Bao D Chang

Research output: Contribution to journalArticlepeer-review


The cystic fibrosis transmembrane conductance regulator (CFTR) belongs to a superfamily of active transport molecules. However, when expressed in a wide variety of heterologous cell systems and when purified to homogeneity and reconstituted in planar lipid bilayers, it exhibits low conductance chloride channel activity. We postulate that the active transport capability of the molecule has been adapted to provide very stringent metabolic control of this channel which is responsible for chloride secretion and hydration of wet epithelial surfaces.

Original languageEnglish (US)
Pages (from-to)221-222
Number of pages2
JournalBBA - Bioenergetics
Issue number2
StatePublished - Jul 17 1992
Externally publishedYes


  • Cystic fibrosis
  • Cystic fibrosis transmembrane conductance regulator
  • Membrane transport

ASJC Scopus subject areas

  • Biophysics


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