期刊
BIOMOLECULES
卷 11, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/biom11060872
关键词
lysine succinylation; feature combination; deep learning; dense convolutional block; convolutional block attention module
资金
- National Natural Science Foundation of China [61976150]
- Key Research and Development Plan of Shanxi Province [201903D121151]
The paper introduces a multilane dense convolutional attention network, MDCAN-Lys, to identify succinylation sites by extracting sequence information and feature space to optimize the network's abstraction ability. The experimental results demonstrate that MDCAN-Lys can recognize more succinylation sites, providing value for the application of deep learning methods in identifying succinylation sites.
Lysine succinylation is an important post-translational modification, whose abnormalities are closely related to the occurrence and development of many diseases. Therefore, exploring effective methods to identify succinylation sites is helpful for disease treatment and research of related drugs. However, most existing computational methods for the prediction of succinylation sites are still based on machine learning. With the increasing volume of data and complexity of feature representations, it is necessary to explore effective deep learning methods to recognize succinylation sites. In this paper, we propose a multilane dense convolutional attention network, MDCAN-Lys. MDCAN-Lys extracts sequence information, physicochemical properties of amino acids, and structural properties of proteins using a three-way network, and it constructs feature space. For each sub-network, MDCAN-Lys uses the cascading model of dense convolutional block and convolutional block attention module to capture feature information at different levels and improve the abstraction ability of the network. The experimental results of 10-fold cross-validation and independent testing show that MDCAN-Lys can recognize more succinylation sites, which is consistent with the conclusion of the case study. Thus, it is worthwhile to explore deep learning-based methods for the recognition of succinylation sites.
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