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CSM-potential: mapping PrOTEin iNteracTIons And biological Ligands in 3D space using geometric deep learning

Accepted version
Peer-reviewed

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Article

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Abstract

Recent advances in protein structural modelling have enabled the accurate prediction of the holo 3D structures of almost any protein, however protein function is intrinsically linked to the interactions it makes. While a number of computational approaches have been proposed to explore potential biological interactions, they have been limited to specific interactions, and have not been readily accessible for non-experts or use in bioinformatics pipelines. Here we present CSM-Potential, a geometric deep learning approach to identify regions of a protein surface that are likely to mediate protein-protein and protein-ligand interactions in order to provide a link between 3D structure and biological function. Our method has shown robust performance, outperforming existing methods for both predictive tasks. By assessing the performance of CSM-Potential on independent blind tests, we show that our method was able to achieve ROC AUC values of up to 0.81 for the identification of potential protein-protein binding sites, and up to 0.96 accuracy on biological ligand classification. Our method is freely available as a user-friendly and easy-to-use web server and API at http://biosig.unimelb.edu.au/csm_potential.

Description

Keywords

Binding Sites, Deep Learning, Ligands, Membrane Proteins, Software, Protein Interaction Mapping, Protein Conformation

Journal Title

Nucleic Acids Research (NAR)

Conference Name

Journal ISSN

0305-1048
1362-4962

Volume Title

Publisher

Oxford University Press
Sponsorship
Medical Research Council (MR/M026302/1)

Version History

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VersionDateSummary
2024-03-20 14:46:07
Published version added
1*
2022-05-06 23:30:14
* Selected version