Calorimetric studies on monomeric and polymeric actin |
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| Authors: | J. L. Fausnaugh J. F. Blazyk S. C. El-Saleh P. Johnson |
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| Affiliation: | (1) Department of Chemistry and College of Osteopathic Medicine, Ohio University, 45701 Athens, Ohio, USA;(2) Present address: Department of Biochemistry, Purdue University, 47907 West Lafayette, Indiana, USA;(3) Present address: Department of Pharmacology, University of Miami, 33101 Miami, Florida, USA |
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| Abstract: | Summary Differential scanning calorimetry of polymeric F-actin at pH 8.0 showed that the polymer had a concentration-independent thermal profile with a single transition temperature of 81 °C. In contrast, the thermal profile of G-actin was concentration-dependent, and although it resembled the F-actin profile at lower concentrations, it was found to have a more complex profile at higher protein concentrations.Acknowledgment. This research was carried out under grants to J.F.B. and P.J. from The Muscular Dystrophy Association of America. |
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