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Protein Structure Prediction Using Population-Based Algorithm Guided by Information Entropy
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DOI：10.1109/TCBB.2019.2921958.png)
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Abstract
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Ab initio protein structure prediction is one of the most challenging problems in computational biology. Multistage algorithms are widely used in ab initio protein structure prediction. The different computational costs of a multistage algorithm for different proteins are important to be considered. In this study, a population-based algorithm guided by information entropy (PAIE), which includes exploration and exploitation stages, is proposed for protein structure prediction. In PAIE, an entropy-based stage switch strategy is designed to switch from the exploration stage to the exploitation stage. Torsion angle statistical information is also deduced from the first stage and employed to enhance the exploitation in the second stage. Results indicate that an improvement in the performance of protein structure prediction in a benchmark of 30 proteins and 17 other free modeling targets in CASP.
Keywords:
Proteins
Switches
Information entropy
Prediction algorithms
Protocols
Sociology
Statistics
Protein structure prediction
information entropy
torsion angle distribution
fragment assembly
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