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<p>DNA-Encoded Library (DEL) technology allows the screening of millions to billions of compounds in a pooled fashion, which is faster and cheaper than traditional approaches. The massive amounts of DEL binder and not-binder data enable Machine Learning (ML) model development and virtual screening of readily accessible, drug-like libraries in an ultra-high-throughput fashion. Here, we report a comparative assessment of DEL + ML pipeline for hit discovery using three DELs and five ML models (fifteen DEL + ML combinations). Each ML model was used to identify orthosteric binders of two therapeutic targets, Casein kinase 1<i>α</i>/δ (CK1<i>α</i>/δ). Overall, 10% and 94% of the predicted binders and not-binders were confirmed in biophysical assays, including two nanomolar binders (187 and 69.6 nM). Our study provides insights into the DEL + ML paradigm for hit discovery: the importance of chemical diversity in training data and ML model generalizability over accuracy. We publicly shared our results for further use and similar developments.</p>

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Evaluation of DNA encoded library and machine learning model combinations for hit discovery

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年4月2日

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  • Sumaiya Iqbal,
  • Wei Jiang,
  • Eric Hansen,
  • Tonia Aristotelous,
  • Shuang Liu,
  • Andrew Reidenbach,
  • Cerise Raffier,
  • Alison Leed,
  • Chengkuan Chen,
  • Lawrence Chung,
  • Eric Sigel,
  • Alex Burgin,
  • Sandy Gould,
  • Holly H. Soutter

摘要

DNA-Encoded Library (DEL) technology allows the screening of millions to billions of compounds in a pooled fashion, which is faster and cheaper than traditional approaches. The massive amounts of DEL binder and not-binder data enable Machine Learning (ML) model development and virtual screening of readily accessible, drug-like libraries in an ultra-high-throughput fashion. Here, we report a comparative assessment of DEL + ML pipeline for hit discovery using three DELs and five ML models (fifteen DEL + ML combinations). Each ML model was used to identify orthosteric binders of two therapeutic targets, Casein kinase 1α/δ (CK1α/δ). Overall, 10% and 94% of the predicted binders and not-binders were confirmed in biophysical assays, including two nanomolar binders (187 and 69.6 nM). Our study provides insights into the DEL + ML paradigm for hit discovery: the importance of chemical diversity in training data and ML model generalizability over accuracy. We publicly shared our results for further use and similar developments.