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- W4361003083 abstract "Epik version 7 is a software program that uses machine learning for predicting the pKa values and protonation state distribution of complex, drug-like molecules. Using an ensemble of atomic graph convolutional neural networks (GCNNs) trained on over 42,000 pKa values across broad chemical space from both experimental and computed origins, the model predicts pKa values with 0.42 and 0.72 log unit median absolute and RMS errors, respectively, across seven test sets. Epik version 7 also generates protonation states and recovers 95% of the most populated protonation states compared to previous versions. Requiring on average only 47 ms per ligand, Epik version 7 is rapid and accurate enough to evaluate protonation states for crucial molecules and prepare ultra-large libraries of compounds to explore vast regions of chemical space. The simplicity of and time required for the training allows for the generation of highly accurate models customized to a program’s specific chemistry." @default.
- W4361003083 created "2023-03-30" @default.
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- W4361003083 date "2023-03-27" @default.
- W4361003083 modified "2023-09-25" @default.
- W4361003083 title "Epik: pKa and Protonation State Prediction through Machine Learning" @default.
- W4361003083 doi "https://doi.org/10.26434/chemrxiv-2023-c6z8t-v3" @default.
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