Thermal unfolding of soybean peroxidase. Appropriate high denaturant concentrations induce cooperativity allowing the correct measurement of thermodynamic parameters.

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Thermal unfolding of soybean peroxidase. Appropriate high denaturant concentrations induce cooperativity allowing the correct measurement of thermodynamic parameters.

We have earlier reported that both guanidine hydrochloride (GdnHCl)-induced and heat-induced unfolding of seed coat soybean peroxidase (SBP), monitored by far UV CD, show single step transition. However, although GdnHCl-induced unfolding follows a two-state pathway, the heat-induced denaturation proceeds through intermediates as indicated by the very low cooperativity of transition. In the form...

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Distribution, Transition and Thermodynamic Stability of Protein Conformations in the Denaturant-Induced Unfolding of Proteins

BACKGROUND Extensive and intensive studies on the unfolding of proteins require appropriate theoretical model and parameter to clearly illustrate the feature and characteristic of the unfolding system. Over the past several decades, four approaches have been proposed to describe the interaction between proteins and denaturants, but some ambiguity and deviations usually occur in the explanation ...

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ژورنال

عنوان ژورنال: Journal of Biological Chemistry

سال: 2003

ISSN: 0021-9258

DOI: 10.1016/s0021-9258(19)58344-2