Pathways in Two-State Protein Folding
نویسندگان
چکیده
منابع مشابه
Pathways in two-state protein folding.
Thermodynamic measurements of proteins indicate that the folding to the native state takes place either through stable intermediates or through a two-state process without intermediates. The rather short folding times of proteins indicate that folding is guided through some sequence of contact bindings. We discuss the possibility of reconciling a two-state folding event with a sequential foldin...
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A protein model with the pairwise interaction energies varying as the local environment changes, i.e., including some kind of collective effect between the contacts, is proposed. Lattice Monte Carlo simulations on the thermodynamical characteristics and free energy profile show a well-defined two-state behavior and cooperativity of folding for such a model. As a comparison, related simulations ...
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We present a solvable model that predicts the folding kinetics of two-state proteins from their native structures. The model is based on conditional chain entropies. It assumes that folding processes are dominated by small-loop closure events that can be inferred from native structures. For CI2, the src SH3 domain, TNfn3, and protein L, the model reproduces two-state kinetics, and it predicts w...
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Proteins fold through a series of intermediate states called a pathway. Protein folding pathways have been modeled using either simulations or a heirarchy of statistical models. Here we present a series of related statistical models that attempt to predict early, middle and late intermediates along the folding pathway. Isites motifs are discrete models for folding initiation sites. HMMSTR is a ...
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A structured folding pathway, which is a time ordered sequence of folding events, plays an important role in the protein folding process and hence, in the conformational search. Pathway prediction, thus gives more insight into the folding process and is a valuable guiding tool to search the conformation space. In this paper, we propose a novel 'unfolding' approach to predict the folding pathway...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2000
ISSN: 0006-3495
DOI: 10.1016/s0006-3495(00)76510-6