At the American Chemical Society Spring National Meeting & Expo, Atomwise members were selected to present their research and work. Learn what our Atoms have been working on below and visit Atomwise at ACS Spring 2022 National Meeting for other presentation sessions.
Aryan Pedawi, PhD
Atomwise Co-Authors: Kate Stafford, Andreana Rosnik, Dr Saulo H de Oliveira, Brandon Anderson, Jon Sorenson, Ph.D.
Title: Self-supervised learning of atomic and molecular representations with 3D equivariant graph neural networks
Division: Computers in Chemistry
Equivariant graph neural networks operating on 3D atom point clouds have emerged as a powerful paradigm for a variety of tasks where the 3D molecular structure is of primary importance, such as machine learned force-fields or protein-ligand binding affinity prediction. Equivariant networks can efficiently learn local geometric information, and sometimes require significantly less training data to achieve high quality predictions than approaches that do not encode for physical symmetries by construction. In parallel, computer vision and natural language processing have witnessed significant advances in the applicability of self-supervised pre-training, making use of larger libraries of unlabeled data to learn rich representations that transfer well to downstream tasks. In this work, we propose and investigate a number of pre-text tasks for learning self-supervised representations of molecular or biological data in the context of their 3D scene. We explore tasks defined on 3D conformations of ligands, of proteins, and of protein-ligand interactions. Finally, we study how the learned representations transfer to the more data-scarce supervised tasks of interest compared to baselines like supervision-only.
Our team is comprised of over 80 PhD scientists who contribute to a high-performance academic-like culture that fosters robust scientific and technical excellence. We strongly believe that data wins over opinions, and aim for as little dogma as possible in our decision making. Learn more about our team and opportunities at Atomwise.
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