Using a new solvation model for thermodynamic study on the interaction of nickel with human growth hormone |
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| Authors: | G. Rezaei Behbehani A.A. Saboury |
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| Affiliation: | a Chemistry Department, Imam Khomeini International University, Qazvin, Iran
b Institute of Biochemistry and Biophysics, University of Tehran, Iran |
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| Abstract: | Thermodynamics of the interaction between Ni2+ and human growth hormone (hGH) were determined at 27 °C in Nail solution by isothermal titration calorimetry. A new method to predict protein penetration and the effect of metal ions on the stability of proteins is introduced. The new solvation model was used to reproduce the enthalpies of Ni2+-hGH interaction over the whole range of Ni2+ concentrations. The solvation parameters recovered from the new equation, attributed to the structural change of hGH and its biological activity. |
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| Keywords: | Titration calorimetry Solvation model Human growth hormone |
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