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Stabilization of Folding Intermediate States from Alkaline Induced Unfolded State of Bovine Serum Fetuin in Trifluoroethanol and Acetonitrile

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The conformation of bovine serum fetuin (BSF) was examined over the pH 7.0-12.9 regions by circular dichroism, intrinsic fluorescence and ANS binding. We observed that at higher pH, BSF exists in alkaline unfolded state. Our results provided evidence that correlates simultaneous formation of secondary structure followed by accumulation of hydrophobic clusters.

Keywords: Acetonitrile; alkali denaturation; bovine serum fetuin; circular dichroism; trifluoroethanol

Document Type: Research Article


Publication date: May 1, 2010

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.

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