Folding Pathway of a Lattice Model for Proteins

The folding of a protein-like heteropolymer is studied by using direct simulation of a lattice model that folds rapidly to a well-defined "native" structure. The details of each molecular folding event depend on the random initial conformation as well as the random thermal fluctuations of...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 1999-02, Vol.96 (4), p.1273-1278
Hauptverfasser: Pande, Vijay S., Rokhsar, Daniel S.
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container_title Proceedings of the National Academy of Sciences - PNAS
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creator Pande, Vijay S.
Rokhsar, Daniel S.
description The folding of a protein-like heteropolymer is studied by using direct simulation of a lattice model that folds rapidly to a well-defined "native" structure. The details of each molecular folding event depend on the random initial conformation as well as the random thermal fluctuations of the polymer. By analyzing the statistical properties of hundreds of folding events, a classical folding "pathway" for such a polymer is found that includes partially folded, on-pathway intermediates that are shown to be metastable equilibrium states of the polymer. These results are discussed in the context of the "classical" and "new" views of folding.
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subjects Biochemistry
Biological Sciences
Free energy
Kinetics
Mathematical minima
Metastability
Metastable atoms
Modeling
Models, Chemical
Models, Molecular
Monte Carlo Method
Polymers
Probability
Protein Conformation
Protein Denaturation
Protein Folding
Proteins
Proteins - chemistry
Proteins - metabolism
Statistical variance
Thermodynamics
Trajectories
title Folding Pathway of a Lattice Model for Proteins
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