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Guided docking as a data generation approach facilitates structure-based machine learning on kinases

Michael Backenköhler; Joschka Groß; Verena Wolf; Andrea Volkamer
ChemRxiv, Version History, Vol. Dec 22, 2023 Version 1, 12/2023.


Drug discovery pipelines nowadays rely on machine learning models to explore and evaluate large chemical spaces. While including 3D structural information is considered beneficial, structural models are hindered by the availability of protein-ligand complex structures. Exemplified for kinase drug discovery, we address this issue by generating kinase-ligand complex data using template docking for the kinase compound subset of available ChEMBL assay data. To evaluate the benefit of the created complex data, we use it to train a structure-based E(3)-invariant graph neural network (GNN). Our evaluation shows that binding affinities can be predicted with significantly higher precision by models that take synthetic binding poses into account compared to ligand or DTI models only.

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