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Curr Opin Chem Biol. 1999 Aug;3(4):448-58.

Pharmacology of voltage-gated and calcium-activated potassium channels.

Author information

1
Department of Membrane Biochemistry and Biophysics, Merck Research Laboratories, PO Box 2000, 80N-31C, Rahway, NJ 07065, USA. gjk@merck.com

Abstract

Several important new findings have furthered the development of voltage-gated and calcium-activated potassium channel pharmacology. The molecular constituents of several members of these large ion channel families were identified. Small-molecule modulators of some of these channels were reported, including correolide, the first potent, small-molecule, natural product inhibitor of the Shaker family of voltage-gated potassium channels to be disclosed. The initial crystal structure of a bacterial potassium channel was determined; this work gives a physical basis for understanding the mechanisms of ion selectivity and ion conduction. With the recent molecular characterization of a potassium channel structure and the discovery of new templates for channel modulatory agents, the ability to rationally identify and develop potassium channel agonists and antagonists may become a reality in the near future.

PMID:
10419851
DOI:
10.1016/S1367-5931(99)80066-0
[Indexed for MEDLINE]

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