Abstract
RECENTLY a tropomyosin-like protein1,2, or ‘native tropomyosin’, has been added to a list of proteins participating in muscle contraction. The sensitivity of myosin B to the relaxing action of calcium-binding agents including the physiological relaxing factor is ascribed to the presence of ‘native tropomyosin’ in it together with actin and myosin. Even with these three proteins, however, properties of myosin B could not entirely be represented.
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References
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EBASHI, S., EBASHI, F. & MARUYAMA, K. A New Protein Factor promoting Contraction of Actomyosin. Nature 203, 645–646 (1964). https://doi.org/10.1038/203645a0
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DOI: https://doi.org/10.1038/203645a0
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