In an effort to understand the recombination of a B2 metallo-β-lactamase(MβL),the binding of metals to apo-ImiS was studied by isothermal titration calorimetry and fluorescence spectra.The binding of Zn(Ⅱ),Co...In an effort to understand the recombination of a B2 metallo-β-lactamase(MβL),the binding of metals to apo-ImiS was studied by isothermal titration calorimetry and fluorescence spectra.The binding of Zn(Ⅱ),Co(Ⅱ) to apo-lmiS resulted in activation free energies △G_≠~θ values of 93.719 and 92.948 kJ mol^(-1),respectively,and increasing of fluorescence intensity at maxima emission of 340 nm.展开更多
基金supported by the National Natural Science Foundation of China (Nos.21272186 and 81361138018)
文摘In an effort to understand the recombination of a B2 metallo-β-lactamase(MβL),the binding of metals to apo-ImiS was studied by isothermal titration calorimetry and fluorescence spectra.The binding of Zn(Ⅱ),Co(Ⅱ) to apo-lmiS resulted in activation free energies △G_≠~θ values of 93.719 and 92.948 kJ mol^(-1),respectively,and increasing of fluorescence intensity at maxima emission of 340 nm.