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Some Cardiomyopathy-Causing Troponin I Mutations Stabilize a Functional Intermediate Actin State
(East Carolina University, 2009-03-18)
We examined four cardiomyopathy-causing mutations of troponin I that appear to disturb function by altering the
distribution of thin filament states. The R193H (mouse) troponin I mutant had greater than normal actin-activated ...
Negative Charges at Protein Kinase C Sites of Troponin I Stabilize the Inactive State of Actin
(East Carolina University, 2008-01-15)
Alterations in the troponin complex can lead to increases or decreases in contractile activity. Most mutations of
troponin that cause hypertrophic cardiomyopathy increase the activity of cardiac muscle fibers. In at least ...