Structural determinants for high-affinity block of hERG potassium channels.

Abstract excerpt

Drug-induced long QT syndrome is an abnormality of cardiac action potential repolarization that can induce arrhythmias and sudden death. This unwanted side effect of some medications is most frequently associated with block of hERG channels, even though it could theoretically result from inhibition of any K+ current with a role in repolarization. Recent studies suggest an explanation for why so many structurally...

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