Thermal torsion of F-actin |
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Authors: | P R Greene |
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Institution: | B.G.K.T. Consulting Ltd, 153 Main Street, Huntington, New York 11743, U.S.A. |
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Abstract: | The equipartition theorem is used to calculate the mode amplitudes for F-actin thermal torsion. The amplitudes phi n are found to scale as n-1, (EI)-1/2, and L1/2, where n is mode number, EI is actin bending stiffness, and L is filament length. Depending on conditions, the amplitude can be as large as 15 degrees; this is discussed briefly in terms of skeletal muscle mechanics. |
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