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• Orsat, V
• Raghavan, V
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• Orsat, V
• Raghavan, V

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Biomolecules 2013, 3(1), 168-179; doi:10.3390/biom3010168

Article

Soybean Hydrophobic Protein Response to External Electric Field: A Molecular Modeling Approach

Ashutosh Singh* , Valérie Orsat and Vijaya Raghavan

Department of Bioresource Engineering, McGill University, 21,111 Rue Lakeshore, Ste-anne-de-bellevue, QC, H9X 3V9, Canada

* Author to whom correspondence should be addressed.

Received: 31 December 2012; in revised form: 30 January 2013 / Accepted: 4 February 2013 / Published: 11 February 2013

Download PDF Full-Text [1717 KB, uploaded 11 February 2013 08:40 CET]

Abstract: The molecular dynamic (MD) modeling approach was applied to evaluate the effect of an external electric field on soybean hydrophobic protein and surface properties. Nominal electric field strengths of 0.002 V/nm and 0.004 V/nm had no major effect on the structure and surface properties of the protein isolate but the higher electric field strength of 3 V/nm significantly affected the protein conformation and solvent accessible surface area. The response of protein isolate to various external field stresses demonstrated that it is necessary to gain insight into protein dynamics under electromagnetic fields in order to be able to develop the techniques utilizing them for food processing and other biological applications.

Keywords: molecular dynamic modeling; soybean hydrophobic protein; electromagnetic fields

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