Tsai, M. Y.; Morozov, A. N.; Chu, K. Y.; Lin, S. H.
Molecular Dynamics insight into the role of tertiary (foldon) interactions on unfolding in Cytochrome c
CHEMICAL PHYSICS LETTERS, 475:111-115, JUN 16 2009

Hydrogen exchange experiments reveal the existence of a foldon structure in Cytochrome c. We performed constant temperature Molecular Dynamics simulations of Cytochrome c to investigate the macroscopic behavior of the foldons. The results showed that the tertiary interactions in Cytochrome c play an important role in the stabilization of the N- and C-terminal helices. We also observed the macroscopic behavior of a black foldon in the process of thermal unfolding. Our results support that Cytochrome c folding occurs in accordance with the classical pathway concept of Levinthal. (c) 2009 Elsevier B.V. All rights reserved.

DOI:10.1016/j.cplett.2009.05.027

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