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Some Cardiomyopathy-Causing Troponin I Mutations Stabilize a Functional Intermediate Actin State

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 myosin-S1 ATPase activity in both the presence and absence of calcium. The...

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Autori principali: Mathur, Mohit C., Kobayashi, Tomoyoshi, Chalovich, Joseph M.
Natura: Artigo
Lingua:Inglês
Pubblicazione: The Biophysical Society 2009
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC2717271/
https://ncbi.nlm.nih.gov/pubmed/19289050
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.bpj.2008.12.3909
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