- Language: English
- 1121 Pages
- Published: August 2014
- Region: Global
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An adaptive evolution strategy for protein folding. Edition No. 1
- Published: June 2010
- 232 Pages
- VDM Publishing House
Proteins are a group of molecules involved in practically all biological functions that owe their versatility to the ability of binding structurally complementary ligands. Due to the limitations of experimental techniques, however, the number of resolved structures is lagging behind the number of known sequences, calling for the development of structural prediction algorithms. Since the native structure corresponds to the global minimum of the free energy function, the protein folding problem can be recast in a global optimization problem. Genetic algorithms (GA) are optimization tools that mimick the mechanism of darwinian evolution. In this work the possibility is studied to optimize the Conformational Space Annealing, a GA without mutation, with the Covariance Matrix Adaptation Evolution Strategy (CMAES), that adapts the probability distribution of mutations to the function to optimize. After improving CMAES through local minimizations and a recombination operator, the algorithm is applied to a few benchmark proteins. This book should be of interest to anyone working in computational biophysics and to those working on the improvement and application of GA.
Carlo Guardiani: after a Master of Science in Biology, he earned a PhD in Non-Linear Dynamics and Complex Systems. His research area is Molecular Modeling and Computational Biophysics. After six years at the Center for Complex Systems of the University of Florence, Italy, he is currently PostDoctoral fellow at the Georgia State University, USA.