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- Title
Precise prediction of phase-separation key residues by machine learning.
- Authors
Sun, Jun; Qu, Jiale; Zhao, Cai; Zhang, Xinyao; Liu, Xinyu; Wang, Jia; Wei, Chao; Liu, Xinyi; Wang, Mulan; Zeng, Pengguihang; Tang, Xiuxiao; Ling, Xiaoru; Qing, Li; Jiang, Shaoshuai; Chen, Jiahao; Chen, Tara S. R.; Kuang, Yalan; Gao, Jinhang; Zeng, Xiaoxi; Huang, Dongfeng
- Abstract
Understanding intracellular phase separation is crucial for deciphering transcriptional control, cell fate transitions, and disease mechanisms. However, the key residues, which impact phase separation the most for protein phase separation function have remained elusive. We develop PSPHunter, which can precisely predict these key residues based on machine learning scheme. In vivo and in vitro validations demonstrate that truncating just 6 key residues in GATA3 disrupts phase separation, enhancing tumor cell migration and inhibiting growth. Glycine and its motifs are enriched in spacer and key residues, as revealed by our comprehensive analysis. PSPHunter identifies nearly 80% of disease-associated phase-separating proteins, with frequent mutated pathological residues like glycine and proline often residing in these key residues. PSPHunter thus emerges as a crucial tool to uncover key residues, facilitating insights into phase separation mechanisms governing transcriptional control, cell fate transitions, and disease development. Understanding intracellular phase separation is essential for transcriptional control, cell fate, and disease. Here the authors report PSPHunter which accurately predicts key residues, aiding in disease-associated protein identification and mechanistic insights.
- Subjects
MACHINE learning; PHASE separation; PROTEIN fractionation; PROTEOMICS; CELL migration; GLYCINE
- Publication
Nature Communications, 2024, Vol 15, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-024-46901-9