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Protein & Peptide Letters

Editor-in-Chief

ISSN (Print): 0929-8665
ISSN (Online): 1875-5305

The Stability Curve of Hen Egg White Lysozyme

Author(s): Saronya S. Younvanich and B. Mark Britt

Volume 13, Issue 8, 2006

Page: [769 - 772] Pages: 4

DOI: 10.2174/092986606777841163

Price: $65

Abstract

The physiological stability curve -- a plot of the free energy of unfolding versus temperature -- is calculated for hen egg white lysozyme from a combination of extrapolated unfolding thermodynamic data from reversible conditions and isothermal titrations with guanidine hydrochloride. The shape of the curve suggests the existence of only one folded conformation.

Keywords: differential scanning calorimetry (DSC), protein stability, Titration, Gibbs-Helmholtz equation, lysozyme stability, guanidine hydrochloride


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