Journal
CHINESE CHEMICAL LETTERS
Volume 25, Issue 10, Pages 1323-1326Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2014.06.024
Keywords
Antibiotic resistant bacteria; Metallo-beta-lactamases; Metalloprotein recombinant; Thermokinetic parameters
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Funding
- National Natural Science Foundation of China [21272186, 81361138018]
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In an effort to understand the recombination of a B2 metallo-beta-lactamase (M beta L), 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-ImiS resulted in activation free energies triangle G(not equal)(theta) values of 93.719 and 92.948 kJ mol(-1), respectively, and increasing of fluorescence intensity at maxima emission of 340 nm. (C) 2014 Ke-Wu Yang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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