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A multi-objective evolutionary approach to the protein structure prediction problem.


ABSTRACT: The protein structure prediction (PSP) problem is concerned with the prediction of the folded, native, tertiary structure of a protein given its sequence of amino acids. It is a challenging and computationally open problem, as proven by the numerous methodological attempts and the research effort applied to it in the last few years. The potential energy functions used in the literature to evaluate the conformation of a protein are based on the calculations of two different interaction energies: local (bond atoms) and non-local (non-bond atoms). In this paper, we show experimentally that those types of interactions are in conflict, and do so by using the potential energy function Chemistry at HARvard Macromolecular Mechanics. A multi-objective formulation of the PSP problem is introduced and its applicability studied. We use a multi-objective evolutionary algorithm as a search procedure for exploring the conformational space of the PSP problem.

SUBMITTER: Cutello V 

PROVIDER: S-EPMC1629082 | biostudies-literature | 2006 Feb

REPOSITORIES: biostudies-literature

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A multi-objective evolutionary approach to the protein structure prediction problem.

Cutello Vincenzo V   Narzisi Giuseppe G   Nicosia Giuseppe G  

Journal of the Royal Society, Interface 20060201 6


The protein structure prediction (PSP) problem is concerned with the prediction of the folded, native, tertiary structure of a protein given its sequence of amino acids. It is a challenging and computationally open problem, as proven by the numerous methodological attempts and the research effort applied to it in the last few years. The potential energy functions used in the literature to evaluate the conformation of a protein are based on the calculations of two different interaction energies:  ...[more]

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