Multi-view framework for multi-label bioactive peptide classification based on multi-modal representation learning

IF 7.2 1区 计算机科学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
Yan Kang , Yue Peng , Dongsheng Zheng , Huadong Zhang , Xuekun Yang
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引用次数: 0

Abstract

The diversity and specific biological functions of bioactive peptides make them key regulators in various physiological processes and crucial contributors to the development of new anti-infective drugs. Although existing graph-based deep learning methods effectively model multi-label peptide representation, they often fail to incorporate multi-modal feature representation and extract multi-scale features from various views. To address these limitations, we present a multi-view framework for multi-label bioactive peptide classification based on multi-modal representation Learning by combining amino acid sequences and fusion molecular fingerprints. The peptide molecular graph is constructed by extracting the topological information and node features, respectively. Multi-view branches are designed by developing sequence-based and graph-based models to leverage their distinct and complementary strengths. Specifically, the protein language model ESM-2 is utilized to extract residue features from amino acid sequences deeply. Meanwhile, local features from molecular fingerprints are learned through a Filter Response Normalization layer and a Thresholded Linear Unit. At the same time, the Mamba module is innovatively employed to extract long-range dependencies and reduce time complexity. Our model demonstrates significantly enhanced and robust performance in multi-label bioactive peptide prediction tasks compared with state-of-the-art models, achieving 82.5% coverage, 80.9% precision and 80.3% accuracy on the MFBP dataset. Furthermore, visual analyses demonstrate that the model can effectively capture features from multiple views and highlight the interpretability of the model through the decision process.
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来源期刊
Applied Soft Computing
Applied Soft Computing 工程技术-计算机:跨学科应用
CiteScore
15.80
自引率
6.90%
发文量
874
审稿时长
10.9 months
期刊介绍: Applied Soft Computing is an international journal promoting an integrated view of soft computing to solve real life problems.The focus is to publish the highest quality research in application and convergence of the areas of Fuzzy Logic, Neural Networks, Evolutionary Computing, Rough Sets and other similar techniques to address real world complexities. Applied Soft Computing is a rolling publication: articles are published as soon as the editor-in-chief has accepted them. Therefore, the web site will continuously be updated with new articles and the publication time will be short.
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