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Allostery modulates the beat rate of a cardiac pacemaker.


ABSTRACT: The S672R mutation in heart cell ion channels leads to low heart rates and arrhythmia by an unknown route. A multifaceted NMR analysis now demonstrates that this mutant impacts allosteric coupling in domains inside of the cell to change channel activation, providing a mechanistic explanation for phenotypic outcomes.

SUBMITTER: Tsai CJ 

PROVIDER: S-EPMC5391769 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Allostery modulates the beat rate of a cardiac pacemaker.

Tsai Chung-Jung CJ   Nussinov Ruth R  

The Journal of biological chemistry 20170401 15


The S672R mutation in heart cell ion channels leads to low heart rates and arrhythmia by an unknown route. A multifaceted NMR analysis now demonstrates that this mutant impacts allosteric coupling in domains inside of the cell to change channel activation, providing a mechanistic explanation for phenotypic outcomes. ...[more]

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