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A combination of crystallographic and mutagenesis studies on the HERG K+ channel, a key determinant of cardiac excitability, has suggested how the protein's extramembraneous amino-terminal domain might act as a 'molecular brake' that slows down channel deactivation.

Type

Journal article

Journal

Curr Biol

Publication Date

11/03/1999

Volume

9

Pages

R173 - R175

Keywords

Animals, Binding Sites, Cation Transport Proteins, DNA-Binding Proteins, ERG1 Potassium Channel, Ether-A-Go-Go Potassium Channels, Humans, Ion Channels, Long QT Syndrome, Potassium Channels, Potassium Channels, Voltage-Gated, Protein Conformation, Structure-Activity Relationship, Trans-Activators, Transcriptional Regulator ERG