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- W2406144640 endingPage "181" @default.
- W2406144640 startingPage "181" @default.
- W2406144640 abstract "The prediction of protein structures is a current issue of great significance in structural bioinformatics. More specifically, the prediction of the tertiary structure of a protein consists in determining its three-dimensional conformation based solely on its amino acid sequence. This study proposes a method in which protein fragments are assembled according to their physicochemical similarities, using information extracted from known protein structures. Many approaches cited in the literature use the physicochemical properties of amino acids, generally hydrophobicity, polarity and charge, to predict structure. In our method, implemented with parallel multithreading, we used a set of 30 physicochemical amino acid properties selected from the AAindex database. Several protein tertiary structure prediction methods produce a contact map. Our proposed method produces a distance map, which provides more information about the structure of a protein than a contact map. We performed several preliminary analysis of the protein physicochemical data distributions using 3D surfaces. Three main pattern types were found in 3D surfaces, thus it is possible to extract rules in order to predict distances between amino acids according to their physicochemical properties. We performed an experimental validation of our method using five non-homologous protein sets and we showed the generality of this method and its prediction quality using the amino acid properties considered. Finally, we included a study of the algorithm efficiency according to the number of most similar fragments considered and we notably improved the precision with the studied proteins sets." @default.
- W2406144640 created "2016-06-24" @default.
- W2406144640 creator A5012694036 @default.
- W2406144640 creator A5049817649 @default.
- W2406144640 date "2011-09-16" @default.
- W2406144640 modified "2023-10-15" @default.
- W2406144640 title "Predicting protein distance maps according to physicochemical properties." @default.
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- W2406144640 doi "https://doi.org/10.2390/biecoll-jib-2011-181" @default.
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