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. 2021 Jul 2;12:4086. doi: 10.1038/s41467-021-24049-0

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© The Author(s) 2021

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Fig. 6 — a Contracted sarcomeres in which thin filaments are strongly bound to thick filaments, exhibit an overlap between thin filaments of opposite polarity beyond the bare zone region. b When the actomyosin interaction is weaker, sarcomeres are found in an intermediate state in which thin filaments of opposite polarity barely overlap.