Learning the shape of protein microenvironments with a holographic convolutional neural network.

Journal: Proceedings of the National Academy of Sciences of the United States of America
Published Date:

Abstract

Proteins play a central role in biology from immune recognition to brain activity. While major advances in machine learning have improved our ability to predict protein structure from sequence, determining protein function from its sequence or structure remains a major challenge. Here, we introduce holographic convolutional neural network (H-CNN) for proteins, which is a physically motivated machine learning approach to model amino acid preferences in protein structures. H-CNN reflects physical interactions in a protein structure and recapitulates the functional information stored in evolutionary data. H-CNN accurately predicts the impact of mutations on protein stability and binding of protein complexes. Our interpretable computational model for protein structure-function maps could guide design of novel proteins with desired function.

Authors

  • Michael N Pun
    Department of Physics, University of Washington, Seattle, WA 98195.
  • Andrew Ivanov
    Department of Physics, University of Washington, Seattle, WA 98195.
  • Quinn Bellamy
    Department of Physics, University of Washington, Seattle, WA 98195.
  • Zachary Montague
    Department of Physics, University of Washington, Seattle, WA 98195.
  • Colin LaMont
    The Department for Statistical Physics of Evolving Systems, Max Planck Institute for Dynamics and Self-Organization, Göttingen 37077, Germany.
  • Philip Bradley
    Fred Hutchinson Cancer Center, Seattle, WA 98102.
  • Jakub Otwinowski
    The Department for Statistical Physics of Evolving Systems, Max Planck Institute for Dynamics and Self-Organization, Göttingen 37077, Germany.
  • Armita Nourmohammad
    Statistical Physics of Evolving Systems, Max Planck Institute for Dynamics and Self-Organization, 37077 Göttingen, Germany; aleksandra.walczak@phys.ens.fr thierry.mora@phys.ens.fr armita@uw.edu.