Abstract
Comparisons of three-dimensional maps of vertebrate muscle thin filaments obtained by cryo-electron microscopy and image analysis, reveal the molecular structure of F-actin, the location of the C terminus of the monomer and the positions of the binding sites of tropomyosin, the myosin head and the N-terminal portion of the myosin Al light chain on the filament. These data provide strong constraints for evaluating models built from the atomic structure of the monomer and the subsequent identification of molecular contacts.
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Milligan, R., Whittaker, M. & Safer, D. Molecular structure of F-actin and location of surface binding sites. Nature 348, 217–221 (1990). https://doi.org/10.1038/348217a0
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DOI: https://doi.org/10.1038/348217a0
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