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Journal Articles Bioinformatics Year : 2022

Deep Local Analysis evaluates protein docking conformations with locally oriented cubes

Yasser Mohseni Behbahani
Simon Crouzet
Elodie Laine
Alessandra Carbone
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Abstract

Abstract Motivation With the recent advances in protein 3D structure prediction, protein interactions are becoming more central than ever before. Here, we address the problem of determining how proteins interact with one another. More specifically, we investigate the possibility of discriminating near-native protein complex conformations from incorrect ones by exploiting local environments around interfacial residues. Results Deep Local Analysis (DLA)-Ranker is a deep learning framework applying 3D convolutions to a set of locally oriented cubes representing the protein interface. It explicitly considers the local geometry of the interfacial residues along with their neighboring atoms and the regions of the interface with different solvent accessibility. We assessed its performance on three docking benchmarks made of half a million acceptable and incorrect conformations. We show that DLA-Ranker successfully identifies near-native conformations from ensembles generated by molecular docking. It surpasses or competes with other deep learning-based scoring functions. We also showcase its usefulness to discover alternative interfaces. Availability and implementation http://gitlab.lcqb.upmc.fr/dla-ranker/DLA-Ranker.git Supplementary information Supplementary data are available at Bioinformatics online.
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Dates and versions

hal-03906697 , version 1 (25-02-2023)

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Yasser Mohseni Behbahani, Simon Crouzet, Elodie Laine, Alessandra Carbone. Deep Local Analysis evaluates protein docking conformations with locally oriented cubes. Bioinformatics, 2022, 38 (19), pp.4505-4512. ⟨10.1093/bioinformatics/btac551⟩. ⟨hal-03906697⟩
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