期刊
ELECTRONIC RESEARCH ARCHIVE
卷 31, 期 9, 页码 5442-5456出版社
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/era.2023276
关键词
protein translational modification; protein acetylation; N-terminal acetylated sites; deep learning
类别
N-terminal acetylation is a specific protein modification that plays a significant role in protein stability, folding, subcellular localization, and protein-protein interactions. We have developed MTNA, a deep learning network, which accurately predicts N-terminal protein acetylation sites for various amino acids at the N-terminus.
N-terminal acetylation is a specific protein modification that occurs only at the N-terminus but plays a significant role in protein stability, folding, subcellular localization and protein-protein interactions. Computational methods enable finding N-terminal acetylated sites from large-scale proteins efficiently. However, limited by the number of the labeled proteins, existing tools only focus on certain subtypes of N-terminal acetylated sites on frequently detected amino acids. For example, NetAcet focuses on alanine, glycine, serine and threonine only, and N-Ace predicts on alanine, glycine, methionine, serine and threonine. With the growth of experimental N-terminal acetylated site data, it is observed that N-terminal protein acetylation occurs on nearly ten types of amino acids. To facilitate comprehensive analysis, we have developed MTNA (Multiple Types of N-terminal Acetylation), a deep learning network capable of accurately predicting N-terminal protein acetylation sites for various amino acids at the N-terminus. MTNA not only outperforms existing tools but also has the capability to identify rare types of N-terminal protein acetylated sites occurring on less studied amino acids.
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