Studies on the interaction mechanism between CXS and papain by spectroscopic and molecular modeling methods

Studies on the interaction mechanism between CXS and papain by spectroscopic and molecular... We have studied the interaction between cefuroxime sodium (CXS) and papain at different temperatures by a fluorescence method, and confirmed that the mechanism of fluorescence quenching of CXS to papain is mainly static quenching. We also determined the binding constant K. Based on the thermodynamic functions at different temperatures, the results show that the major forces between CXS and papain are van der Waals’ forces and H bond. According to the Forster non-radiation energy transfer mechanism, we determined the binding distance between CXS and papain, and studied the confirmation effect of CXS to papain by synchronous fluorescence and UV–Vis spectroscopy. Molecular simulations show that the binding types of CXS and papain are van der Waals’ forces, hydrophobic interaction, and H-bond. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Studies on the interaction mechanism between CXS and papain by spectroscopic and molecular modeling methods

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Publisher
Springer Netherlands
Copyright
Copyright © 2012 by Springer Science+Business Media B.V.
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-012-0682-y
Publisher site
See Article on Publisher Site

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