Photolysis of a photolabile precursor of ATP (caged ATP) induces microsecond rotational motions of myosin heads bound to actin.
To test the proposal that ATPase activity is coupled to the rotation of muscle cross-bridges (myosin heads attached to actin), we have used saturation-transfer EPR to detect the rotational motion of spin-labeled myosin heads (subfragment 1; S1) bound to actin following the photolysis of caged ATP (a...
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| Publicado en: | Proc Natl Acad Sci U S A |
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| Autores principales: | , , |
| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
National Academy of Sciences
1989
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC298368/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/2554328/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.86.22.8753 |
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