Cited by 284Computational Drug Discovery MethodsProtein Structure and Dynamicsvaccines and immunoinformatics approaches

Benchmarking AlphaFold‐enabled molecular docking predictions for antibiotic discovery

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Wong, Felix, Krishnan, Aarti, Zheng, Erica J, Stärk, Hannes, Manson, Abigail L, Earl, Ashlee M, Jaakkola, Tommi, Collins, James J·2022·Molecular Systems Biology

Abstract

Efficient identification of drug mechanisms of action remains a challenge. Computational docking approaches have been widely used to predict drug binding targets; yet, such approaches depend on existing protein structures, and accurate structural predictions have only recently become available from AlphaFold2. Here, we combine AlphaFold2 with molecular docking simulations to predict protein‐ligand interactions between 296 proteins spanning Escherichia coli 's essential proteome, and 218 active antibacterial compounds and 100 inactive compounds, respectively, pointing to widespread compound and protein promiscuity. We benchmark model performance by measuring enzymatic activity for 12 essential proteins treated with each antibacterial compound. We confirm extensive promiscuity, but find that the average area under the receiver operating characteristic curve (auROC) is 0.48, indicating weak model performance. We demonstrate that rescoring of docking poses using machine learning‐based approaches improves model performance, resulting in average auROCs as large as 0.63, and that ensembles of rescoring functions improve prediction accuracy and the ratio of true‐positive rate to false‐positive rate. This work indicates that advances in modeling protein‐ligand interactions, particularly using machine learning‐based approaches, are needed to better harness AlphaFold2 for drug discovery.

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Authors
Wong, F., Krishnan, A., Zheng, E. J., Stärk, H., Manson, A. L., Earl, A. M., Jaakkola, T., & Collins, J. J.
Affiliations
  • Broad Institute (US)
  • MIT Computer Science and Artificial Intelligence Laboratory (US)
Corresponding author
Collins, James J
Venue
Molecular Systems Biology
Published
2022-09-01
Volume
18
Issue
9
Pages
e11081-e11081
ISSN
1744-4292 (ISSN-L)
OpenAlex
W4294719209
Cited by
284
References
52
Citations by year
2026: 61 · 2025: 85 · 2024: 70 · 2023: 60 · 2022: 8
FWCI
30.16
Type
journal article
Language
en
Open access
Locations
  • Molecular Systems Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
Funders
  • Broad Institute of MIT and Harvard
  • Flu Lab, LLC
  • HHS¦NIH¦National Institute of Allergy and Infectious Diseases (U19AI110818, R01‐AI146194)
  • HHS¦NIH¦National Institute of General Medical Sciences (P41‐GM103311)
  • James S. McDonnell Foundation
  • Rosamund Zander and Hansjorg Wyss
  • Sea Grape Foundation
  • Swiss National Science Foundation (SNSF_ 203071)
  • The Audacious Project
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › vaccines and immunoinformatics approaches
Keywords
AlphaFold2, molecular docking, protein-ligand interactions, antibiotic discovery, antibacterial agents, machine learning, drug target prediction, benchmarking
MeSH terms
Anti-Bacterial Agents, Ligands, Protein Binding, Proteins, Benchmarking, Molecular Docking Simulation

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