What major contractile protein in the platelet cytosol accounts for 20-30% of total platelet protein and functions within microtubules in organizing parallel filaments capable of contraction?

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Actin is the major contractile protein in the platelet cytosol, accounting for 20-30% of total platelet protein. It plays a crucial role in organizing parallel filaments within microtubules, enabling contraction.

What Major Contractile Protein in the Platelet Cytosol Accounts for 20-30