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A Pearson Based Feature Compressing Model for SNARE Protein Classification
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DOI：10.1109/ACCESS.2020.3010944.png)
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摘要
En 中文
SNARE proteins are a group of proteins that drive the biological fusion of two membranes. It is important to identify them accurately, because malfunction of the SNARE proteins can lead to a lot of diseases. In this paper, a Pearson based feature compressing model is proposed to identify the SNARE proteins accurately and efficiently. First, 188D, CKSAAP, CTDD and CTRIAD feature extraction methods are used to extract features from the SNARE and non-SNARE proteins. As the number of features extracted by the four methods is very large, which means many redundant features are included. It is necessary to filter the original feature set. The Chi-Square, Information Gain and Pearson Correlation Coefficient feature selection methods are used to evaluate the value of each feature in the feature set. The selected features are used to train a random forest classifier and the performance of the selected features is evaluated by cross validation. The experimental results showed that the CTDD based model with the first 70% of features selected by the Pearson feature selection method can achieve the best performance among all kinds of models.
Keyword:
Feature extraction
Correlation
Amino acids
Protein sequence
Biological system modeling
Forestry
Feature representation
feature selection
protein classification
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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