Abstract
Riseman and Kirkwood1 recently suggested that the relaxation of muscle may be attributed to its stretching by the electrostatic repulsion of the ionized groups carried by the phosphorylated myosin molecules. During the contraction, the phosphate groups are split off, and the macromolecules coil up by Brownian movement.
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References
Riseman, J., and Kirkwood, J. G., J. Amer. Chem. Soc., 70, 2820 (1948).
Kuhn, W., Exper., 5, 318 (1949).
Katchalsky, A., Exper., 5, 319 (1949).
Kuhn, W., Hargitay, B., Katchalsky, A., and Eisenberg, H., Nature, [165, 514 (1950)].
Ferrel, R. E., Olcott, H. S., and Fraenkel-Conrat, H., J. Amer. Chem. Soc., 70, 2101 (1948).
Sumner, J. B., and Somers, G. F., “Laboratory Experiments in Biological Chemistry” (Academic Press, New York, 1949).
Sumner, J. B., Science, 100, 413 (1944).
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KATCHALSKY, A., EISENBERG, H. Polyvinylphosphate Contractile Systems. Nature 166, 267 (1950). https://doi.org/10.1038/166267a0
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DOI: https://doi.org/10.1038/166267a0
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