期刊
BIOLOGY METHODS & PROTOCOLS
卷 7, 期 1, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/biomethods/bpac008
关键词
R package; PSSM; machine learning; feature extraction
Position-specific scoring matrix (PSSM), also known as profile, is widely used for representing the evolutionary history of a protein sequence and improving protein attribute predictions. PSSMCOOL is a flexible and comprehensive R package that provides the first PSSM-based feature extraction tool in R.
Position-specific scoring matrix (PSSM), also called profile, is broadly used for representing the evolutionary history of a given protein sequence. Several investigations reported that the PSSM-based feature descriptors can improve the prediction of various protein attributes such as interaction, function, subcellular localization, secondary structure, disorder regions, and accessible surface area. While plenty of algorithms have been suggested for extracting evolutionary features from PSSM in recent years, there is not any integrated standalone tool for providing these descriptors. Here, we introduce PSSMCOOL, a flexible comprehensive R package that generates 38 PSSM-based feature vectors. To our best knowledge, PSSMCOOL is the first PSSM-based feature extraction tool implemented in R. With the growing demand for exploiting machine-learning algorithms in computational biology, this package would be a practical tool for machine-learning predictions.
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