Equilibrium denaturation of recombinant murine interleukin-6: effect of pH, denaturants, and salt on formation of folding intermediates.


The equilibrium denaturation of an Escherichia coli-derived recombinant murine interleukin-6 (mIL-6) was studied using fluorescence and circular dichroism spectroscopy. The urea-induced unfolding of mIL-6 at pH 4.0 can be described by a two-state unfolding mechanism based on the superimposibility of the CD and fluorescence unfolding transitions. Assuming a… (More)


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