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Updated: Jul 19, 2026

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High-Throughput Screening to Obtain Crystal Hits for Protein Crystallography
Published on: March 10, 2023
Using clustering techniques to improve hit selection in high-throughput screening
Andrei Gagarin1, Vladimir Makarenkov, Pablo Zentilli
1Laboratoire LaCIM, Université du Québec à Montréal, C.P. 8888, succursale Centre-Ville, Montréal, Québec, Canada. gagarin@lacim.uqam.ca
Journal of Biomolecular Screening
|November 10, 2006
Summary
This study introduces three clustering techniques to enhance hit identification in high-throughput screening (HTS). These methods improve the selection of quality active compounds from large chemical libraries.
Area of Science:
- Biochemistry
- Computational Chemistry
- Drug Discovery
Background:
- High-throughput screening (HTS) is crucial for identifying bioactive compounds.
- Selecting quality hits from large datasets presents a significant challenge.
- Existing methods may not optimally distinguish true positives from noise.
Purpose of the Study:
- To introduce and evaluate three clustering techniques for improving hit selection in HTS.
- To enhance the identification of quality active compounds.
- To apply these methods to real-world HTS data.
Main Methods:
- Development and testing of three distinct clustering algorithms.
- Validation using simulated HTS data.
- Application to an experimental assay inhibiting Escherichia coli dihydrofolate reductase.
Main Results:
- Clustering techniques demonstrated improved identification of quality hits.
- Simulated data validation confirmed the efficacy of the methods.
- Successful application to a specific biochemical assay.
Conclusions:
- Clustering offers a valuable approach to refine hit selection in HTS.
- The described techniques can increase the efficiency of drug discovery pipelines.
- These methods aid in identifying reliable active compounds from screening data.

