Discrimination of Thermophilic Proteins and Non-thermophilic Proteins Using Feature Dimension Reduction

Frontiers in Bioengineering and Biotechnology
Zifan GuoYuming Zhao

Abstract

Thermophilicity is a very important property of proteins, as it sometimes determines denaturation and cell death. Thus, methods for predicting thermophilic proteins and non-thermophilic proteins are of interest and can contribute to the design and engineering of proteins. In this article, we describe the use of feature dimension reduction technology and LIBSVM to identify thermophilic proteins. The highest accuracy obtained by cross-validation was 96.02% with 119 parameters. When using only 16 features, we obtained an accuracy of 93.33%. We discuss the importance of the different characteristics in identification and report a comparison of the performance of support vector machine to that of other methods.

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Citations

Jul 9, 2021·Frontiers in Genetics·Lei XuRong Song

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Methods Mentioned

BETA
feature extraction

Software Mentioned

iFeature
Waikato environment for knowledge analysis ( Weka )
J48
LIBSVM
BayesNet
MRMD2

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