3D Infomax improves GNNs for Molecular Property Prediction - Hannes Stärk
Molecular Modelling and Drug Discovery19 Tammi 2022

3D Infomax improves GNNs for Molecular Property Prediction - Hannes Stärk

If you enjoyed this talk, consider joining the Molecular Modeling and Drug Discovery (M2D2) talks live: https://valence-discovery.github.io/M...

Abstract: Molecular property prediction is one of the fastest-growing applications of deep learning with critical real-world impacts. Including 3D molecular structure as input to learned models improves their performance for many molecular tasks. However, this information is infeasible to compute at the scale required by several real-world applications. We propose pre-training a model to reason about the geometry of molecules given only their 2D molecular graphs. Using methods from self-supervised learning, we maximize the mutual information between 3D summary vectors and the representations of a Graph Neural Network (GNN) such that they contain latent 3D information. During fine-tuning on molecules with unknown geometry, the GNN still generates implicit 3D information and can use it to improve downstream tasks. We show that 3D pre-training provides significant improvements for a wide range of properties, such as a 22% average MAE reduction on eight quantum mechanical properties. Moreover, the learned representations can be effectively transferred between datasets in different molecular spaces.

Speaker: Hannes Stärk - https://hannes-stark.com/

Co-hosted by:

Prudencio - https://twitter.com/tossouprudencio

Cas - https://twitter.com/cas_wognum

Therence - https://twitter.com/Therence_mtl

Valence Discovery - https://twitter.com/valence_ai

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