Abstract
X-ray diffraction patterns from relaxed invertebrate muscles reveal the thick filament symmetries and cross-bridge configurations. The cross bridges are substantially angled to the filament axes. The results on symmetry are generally consistent with Squire's model.
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Wray, J., Vibert, P. & Cohen, C. Diversity of cross-bridge configurations in invertebrate muscles. Nature 257, 561–564 (1975). https://doi.org/10.1038/257561a0
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DOI: https://doi.org/10.1038/257561a0
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