Cited by 226Machine Learning in BioinformaticsEnzyme Catalysis and ImmobilizationProtein Structure and Dynamics

UniKP: a unified framework for the prediction of enzyme kinetic parameters

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Yu, Han, Deng, Huaxiang, He, Jiahui, Keasling, Jay D., Luo, Xiaozhou·2023·Nature Communications

Published version of a preprint

Abstract

Prediction of enzyme kinetic parameters is essential for designing and optimizing enzymes for various biotechnological and industrial applications, but the limited performance of current prediction tools on diverse tasks hinders their practical applications. Here, we introduce UniKP, a unified framework based on pretrained language models for the prediction of enzyme kinetic parameters, including enzyme turnover number ( k cat ), Michaelis constant ( K m ), and catalytic efficiency ( k cat / K m ), from protein sequences and substrate structures. A two-layer framework derived from UniKP (EF-UniKP) has also been proposed to allow robust k cat prediction in considering environmental factors, including pH and temperature. In addition, four representative re-weighting methods are systematically explored to successfully reduce the prediction error in high-value prediction tasks. We have demonstrated the application of UniKP and EF-UniKP in several enzyme discovery and directed evolution tasks, leading to the identification of new enzymes and enzyme mutants with higher activity. UniKP is a valuable tool for deciphering the mechanisms of enzyme kinetics and enables novel insights into enzyme engineering and their industrial applications.

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Authors
Yu, H., Deng, H., He, J., Keasling, J. D., & Luo, X.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Lawrence Berkeley National Laboratory (US)
Corresponding author
Luo, Xiaozhou
Venue
Nature Communications
Published
2023-12-11
Volume
14
Issue
1
Pages
8211-8211
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4389546039
Cited by
226
References
54
Citations by year
2026: 96 · 2025: 88 · 2024: 39 · 2023: 3
FWCI
20.23
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Research Square (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion, cc-by)
  • Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Natural Science Foundation of China (32071421)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Machine Learning in Bioinformatics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Enzyme Catalysis and Immobilization
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
Michaelis constant, catalytic efficiency, protein sequences, substrate structure, pre-trained language models, environmental factors, pH and temperature effects, enzyme discovery, directed evolution, enzyme engineering
MeSH terms
Biotechnology, Catalysis, Kinetics, Temperature

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