Enhanced Deep‐Learning Prediction of Molecular Properties via Augmentation of Bond Topology

By Hyeoncheol Cho, Insung S. Choi. 2018

64 citations recorded by the source corpus.

Deep learning has made great strides in tackling chemical problems, but still lacks full‐fledged representations for three‐dimensional (3D) molecular structures for its inner working. For example, the molecular graph, commonly used in chemistry and recently adapted to the graph convolutional network (GCN), is inherently a 2D representation of 3D molecules. Herein we propose an advanced version of the GCN, called 3DGCN, which receives 3D molecular information from a molecular graph augmented by information on bond direction. While outperforming state‐of‐the‐art deep‐learning models in the prediction of chemical and biological properties, 3DGCN has the ability to both generalize and distinguish molecular rotations in 3D, beyond 2D, which has great impact on drug discovery and development, not to mention the design of chemical reactions.

Subfields: Computational Theory and Mathematics, Materials Chemistry, Molecular Biology

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Citations in the corpus

Learning from Protein Structure with Geometric Vector Perceptrons (2020, background): “To address this, some recent work on small molecules aims to leverage geometric features in GNNs through voxelized convolutions at each graph node [25], message transformation based on encoded angle information [17] or products with position vectors to account for vector features [7].”