I Pinset-Härström

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The appearances in the electron microscope of rat and rabbit skeletal muscle myosin filaments and rod aggregates, formed in the presence of variable amounts of MgATP, were compared at different pH values. It is shown that small amounts of MgATP, similar to those sufficient to trigger the dissociation of the actomyosin complex, were able to modify the(More)
1) The contractile system consists of thick and thin filaments arranged side by side in a double network of hexagonal cross-section. 2) The thick filaments are principally made up of myosin and the thin ones of actin, tropomyosin and troponin. 3) Myosin is an enzyme catalysing the hydrolysis of ATP; actin increases the specific activity of this enzyme,(More)
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