Cardiac-enriched LIM domain protein fhl2 is required to generate IKs in a heterologous system

Abstract excerpt

OBJECTIVE: Co-expression of the KvLQT1 and minK potassium channel subunits is required to recapitulate I(Ks), the slow component of the cardiac delayed rectifier current, and mutations in either gene cause the congenital Long QT syndrome. It is becoming increasingly well-recognized that multiprotein channel complexes containing proteins capable of modulating channel function assemble at the plasma membrane. Thus,...

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