Article
The cMyBP-C HCM variant L348P enhances thin filament activation through an increased shift in tropomyosin position.
Journal of molecular and cellular cardiology - 1 Feb 2016
Mun Ji Young, Kensler Robert W, Harris Samantha P, Craig Roger
Abstract excerpt
Mutations in cardiac myosin binding protein C (cMyBP-C), a thick filament protein that modulates contraction of the heart, are a leading cause of hypertrophic cardiomyopathy (HCM). Electron microscopy and 3D reconstruction of thin filaments decorated with cMyBP-C N-terminal fragments suggest that one mechanism of this modulation involves the interaction of cMyBP-C's N-terminal domains with thin filaments to...
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