Abstract
Models of a thin filament based on various G-actin atomic structures and modes of their packing into helical structures were considered. The calculated intensities of actin layer lines were compared with the X-ray data for thin fiber bundles of a relaxed rabbit skeletal muscle. The effect of the main components of thin filament on the intensity of actin layer lines was also analyzed. The F-actin PDB 3BYH model gave the best fit to the experimental data.
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Abbreviations
- Tn:
-
troponin
- Tm:
-
tropomyosin
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Original Russian Text © N.A. Koubassova, 2008, published in Biofizika, 2008, Vol. 53, No. 6, pp. 936–942.
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Koubassova, N.A. An assessment of the models of thin filament of the sarcomere using small-angle X-ray data on rabbit relaxed muscle. BIOPHYSICS 53, 494–499 (2008). https://doi.org/10.1134/S0006350908060043
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DOI: https://doi.org/10.1134/S0006350908060043