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A regulatory protein that is a component of the thin filament. When calcium ions (Ca2+) bind to troponin - it undergoes a change in shape; this conformational change moves tropomyosin away from myosin - binding sites on actin molecules - and muscle c

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1. A regulatory protein that is a component of the thin filament. When calcium ions (Ca2+) bind to troponin - it undergoes a change in shape; this conformational change moves tropomyosin away from myosin - binding sites on actin molecules - and muscle c





 
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