Investigation of C-Cadherin mechanical properties by Molecular Dynamics

Lihachev I.V., Galzitskaya O.V., Balabaev N.K.
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The mechanical stability of cell adhesion protein Cadherin with explicit model of water is studied by the method of molecular dynamics. The protein in apo-form and with the ions of different types (Ca2+, Mg2+, Na+, K+) was unfolding with a constant speed by applying the force to the ends. Eight independent experiments were done for each form of the protein. It was shown that univalent ions stabilize the structure less than bivalent one under mechanical unfolding of the protein. A model system composed of two amino acids and the metal ion between them demonstrates properties similar to that of the cadherin in the stretching experiments. The systems with potassium and sodium ions have less mechanical stability then the systems with calcium and magnesium ions.

Keywords: C-Cadherin, molecular dynamics, bivalent and univalent ions
Citation in English: Lihachev I.V., Galzitskaya O.V., Balabaev N.K. Investigation of C-Cadherin mechanical properties by Molecular Dynamics // Computer Research and Modeling, 2013, vol. 5, no. 4, pp. 727-735
Citation in English: Lihachev I.V., Galzitskaya O.V., Balabaev N.K. Investigation of C-Cadherin mechanical properties by Molecular Dynamics // Computer Research and Modeling, 2013, vol. 5, no. 4, pp. 727-735
DOI: 10.20537/2076-7633-2013-5-4-727-735
URL: http://crm-en.ics.org.ru/journal/article/2078/
Creative Commons License This work is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License.
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