ALDELE: all-purpose deep learning toolkits for predicting the biocatalytic activities of enzymes

Xiangwen Wang, Derek Quinn, Thomas S. Moody, Meilan Huang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Rapidly predicting enzyme properties for catalyzing specific substrates is essential for identifying potential enzymes for industrial transformations. The demand for sustainable production of valuable industry chemicals utilizing biological resources raised a pressing need to speed up biocatalyst screening using machine learning techniques. In this research, we developed an all-purpose deep-learning-based multiple-toolkit (ALDELE) workflow for screening enzyme catalysts. ALDELE incorporates both structural and sequence representations of proteins, alongside representations of ligands by subgraphs and overall physicochemical properties. Comprehensive evaluation demonstrated that ALDELE can predict the catalytic activities of enzymes, and particularly, it identifies residue-based hotspots to guide enzyme engineering and generates substrate heat maps to explore the substrate scope for a given biocatalyst. Moreover, our models notably match empirical data, reinforcing the practicality and reliability of our approach through the alignment with confirmed mutation sites. ALDELE offers a facile and comprehensive solution by integrating different toolkits tailored for different purposes at affordable computational cost and therefore would be valuable to speed up the discovery of new functional enzymes for their exploitation by the industry.

Original languageEnglish
Pages (from-to)3123–3139
Number of pages17
JournalJournal of Chemical Information and Modeling
Volume64
Issue number8
Early online date04 Apr 2024
DOIs
Publication statusPublished - 22 Apr 2024

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