Helix Formation and Folding in an Artificial Peptide
Alves, Nelson A. · Hansmann, Ulrich H. E.
Original · EN
We study the relation between α-helix formation and folding for a simple artificial peptide, Ala₁₀-Gly₅-Ala₁₀. Our data rely on multicanonical Monte Carlo simulations where the interactions among all atoms are taken into account. The free-energy landscape of the peptide is evaluated for various temperatures. Our data indicate that folding of this peptide is a two-step process: in a first step two α-helices are formed which afterwards re-arrange themselves into a U-like structure.
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