This basic science study suggests that tropomyosin forms the core of ribbon-shaped filaments in vertebrate smooth muscle, determining the polarity of attached myosin molecules.
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No immediate clinical implications; leaves open mechanistic roles in human smooth muscle contractility for targeted research.
Sobieszek et al. (1973) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: