Article
Two mutations at different positions in the CNBH domain of the hERG channel accelerate deactivation and impair the interaction with the EAG domain.
The Journal of physiology - 1 Oct 2018
Kume Shinichiro, Shimomura Takushi, Tateyama Michihiro, Kubo Yoshihiro
Abstract excerpt
KEY POINTS: In the human ether-a-go-go related gene (hERG) channel, both the ether-a-go-go (EAG) domain in the N-terminal and the cyclic nucleotide (CN) binding homology (CNBH) domain in the C-terminal cytoplasmic region are known to contribute to the characteristic slow deactivation. Mutations of Phe860 in the CNBH domain, reported to fill the CN binding pocket, accelerate the deactivation and decrease the...
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