Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Improved Lipophilicity and Aqueous Solubility Prediction With Composite Graph Neural Networks

Version 1 : Received: 30 August 2021 / Approved: 30 August 2021 / Online: 30 August 2021 (14:29:43 CEST)

How to cite: Wieder, O.; Kuenemann, M.; Wieder, M.; Seidel, T.; Meyer, C.; Langer, T. Improved Lipophilicity and Aqueous Solubility Prediction With Composite Graph Neural Networks. Preprints 2021, 2021080548 (doi: 10.20944/preprints202108.0548.v1). Wieder, O.; Kuenemann, M.; Wieder, M.; Seidel, T.; Meyer, C.; Langer, T. Improved Lipophilicity and Aqueous Solubility Prediction With Composite Graph Neural Networks. Preprints 2021, 2021080548 (doi: 10.20944/preprints202108.0548.v1).

Abstract

The accurate prediction of molecular properties such as lipophilicity and aqueous solubility is of great importance in several stages of the drug discovery pipeline. Machine learning methods like graph-based neural networks have shown exceptionally good performance in predicting these properties. In this work we introduce a novel graph neural network architecture composed of two distinct sub-architectures that achieves an improvement in accuracy over its individual parts employing various learning-, and featurization strategies. We argue that combining models with different key aspects might help make graph neural networks deeper while simultaneously increasing their predictive power. Additionally, we want to highlight the need to move beyond comparing single performance metrics to show machine learning model superiority.

Keywords

AI; deep-learning; neural-networks; graph neural-networks; cheminformatics; molecular property; machine-learning; computational chemistry; lipophilicity; solubility

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