The CFTR Ion channel: Gating, regulation, and anion permeation

Tzyh Chang Hwang, Kevin L. Kirk

研究成果: Article同行評審

95 引文 斯高帕斯(Scopus)

摘要

Cystic fibrosis transmembrane conductance regulator (CFTR) is an ATP-gated anion channel with two remarkable distinctions. First, it is the only ATP-binding cassette (ABC) transporter that is known to be an ion channel-almost all others function as transport ATPases. Second, CFTR is the only ligand-gated channel that consumes its ligand (ATP) during the gating cycle-a consequence of its enzymatic activity as an ABC transporter. We discuss these special properties of CFTR in the context of its evolutionary history as an ABC transporter. Other topics include the mechanisms by which CFTR gating is regulated by phosphorylation of its unique regulatory domain and our current view of the CFTR permeation pathway (or pore). Understanding these basic operating principles of the CFTR channel is central to defining the mechanisms of action of prospective cystic fibrosis drugs and to the development of new, rational treatment strategies.

原文English
期刊Cold Spring Harbor perspectives in medicine
3
發行號1
DOIs
出版狀態Published - 1月 2013

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