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Conformational changes in the unfolding process of lysozyme in water and ethanol/water solutions

โœ Scribed by Paola Sassi; Giuseppe Onori; Alessandra Giugliarelli; Marco Paolantoni; Stefania Cinelli; Assunta Morresi

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
289 KB
Volume
159
Category
Article
ISSN
0167-7322

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โœฆ Synopsis

In the present study, the thermal unfolding of lysozyme in D 2 O and D 2 O/CH 3 CH 2 OD solutions is analyzed by means of FTIR spectroscopy. A detailed investigation of the conformational rearrangement of the protein upon heating is achieved by inspection of the amide bands. The effects of partial and total deuteration on amide groups are also investigated for they suggest important information about exposure to the solvent. Finally, a comparison between the characteristics of the unfolding process of lysozyme in water and in ethanol/water solutions is performed to clarify some misinterpretation about the possible formation of intermediates.

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