A metal binding in the polypeptide chain improves the folding efficiency of a denatured and reduced protein.

Abstract

In order to examine the effect of a metal binding to the polypeptide chain on the aggregation of a protein in the refolding process, we prepared a mutant hen lysozyme possessing the same Ca(2+) binding site as in human alpha-lactalbumin by Escherichia coli expression system (Ser(-1) CaB lysozyme). In the presence of 2 mM CaCl(2), the refolding yield of Ser… (More)

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