Binding Affinity Prediction by Pairwise Function Based on Neural Network
Abstract
In this paper, we present a new approach to estimate the binding affinity from given three-dimensional poses of protein–ligand complexes. In this scheme, every protein–ligand atom pair makes an additive free-energy contribution. The sum of these pairwise contributions then gives the total binding free energy or the logarithm of the dissociation constant. The pairwise contribution is calculated by a function implemented via a neural network that takes the properties of the two atoms and their distance as input. The pairwise function is trained using a portion of the PDBbind 2018 data set. The model achieves good accuracy for affinity predictions when evaluated with PDBbind 2018 and with the CASF-2016 benchmark, comparing favorably to many scoring functions such as that of AutoDock Vina. The framework here may be extended to incorporate other factors to further improve its accuracy and power.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); American Heart Association (AHA)
- OSTI Identifier:
- 1756151
- Report Number(s):
- LLNL-JRNL-800142
Journal ID: ISSN 1549-9596; 1002405
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Journal of Chemical Information and Modeling
- Additional Journal Information:
- Journal Volume: 60; Journal Issue: 6; Journal ID: ISSN 1549-9596
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; Ligands; Crystal structure; Protein structure; Neural networks; Screening assays
Citation Formats
Zhu, Fangqiang, Zhang, Xiaohua, Allen, Jonathan E., Jones, Derek, and Lightstone, Felice C. Binding Affinity Prediction by Pairwise Function Based on Neural Network. United States: N. p., 2020.
Web. doi:10.1021/acs.jcim.0c00026.
Zhu, Fangqiang, Zhang, Xiaohua, Allen, Jonathan E., Jones, Derek, & Lightstone, Felice C. Binding Affinity Prediction by Pairwise Function Based on Neural Network. United States. https://doi.org/10.1021/acs.jcim.0c00026
Zhu, Fangqiang, Zhang, Xiaohua, Allen, Jonathan E., Jones, Derek, and Lightstone, Felice C. 2020.
"Binding Affinity Prediction by Pairwise Function Based on Neural Network". United States. https://doi.org/10.1021/acs.jcim.0c00026. https://www.osti.gov/servlets/purl/1756151.
@article{osti_1756151,
title = {Binding Affinity Prediction by Pairwise Function Based on Neural Network},
author = {Zhu, Fangqiang and Zhang, Xiaohua and Allen, Jonathan E. and Jones, Derek and Lightstone, Felice C.},
abstractNote = {In this paper, we present a new approach to estimate the binding affinity from given three-dimensional poses of protein–ligand complexes. In this scheme, every protein–ligand atom pair makes an additive free-energy contribution. The sum of these pairwise contributions then gives the total binding free energy or the logarithm of the dissociation constant. The pairwise contribution is calculated by a function implemented via a neural network that takes the properties of the two atoms and their distance as input. The pairwise function is trained using a portion of the PDBbind 2018 data set. The model achieves good accuracy for affinity predictions when evaluated with PDBbind 2018 and with the CASF-2016 benchmark, comparing favorably to many scoring functions such as that of AutoDock Vina. The framework here may be extended to incorporate other factors to further improve its accuracy and power.},
doi = {10.1021/acs.jcim.0c00026},
url = {https://www.osti.gov/biblio/1756151},
journal = {Journal of Chemical Information and Modeling},
issn = {1549-9596},
number = 6,
volume = 60,
place = {United States},
year = {Mon Apr 27 00:00:00 EDT 2020},
month = {Mon Apr 27 00:00:00 EDT 2020}
}
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