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- Title
Featurization strategies for protein–ligand interactions and their applications in scoring function development.
- Authors
Xiong, Guoli; Shen, Chao; Yang, Ziyi; Jiang, Dejun; Liu, Shao; Lu, Aiping; Chen, Xiang; Hou, Tingjun; Cao, Dongsheng
- Abstract
The predictive performance of classical scoring functions (SFs) seems to have reached a plateau. Currently, SFs relying on sophisticated machine learning techniques have shown great potential in binding affinity prediction and virtual screening. As one of the most indispensable components in the workflow of training a machine learning scoring function (MLSF), the featurization or representation process enables us to catch certain physical processes that are important for protein–ligand interactions and to obtain machine‐readable descriptors. Currently, according to how they are derived, the descriptors used in MLSFs for both continuous and binary binding affinity estimates can be grouped into two broad categories: handcrafted features and automated‐extraction features. Moreover, the automated‐extraction features emerge as a new featurization trend along with the application of deep learning algorithms. Here, we make a thorough summary of the advances in the featurization strategies for protein–ligand interactions in the context of MLSFs, with emphasis on the recently rising automated‐extraction features. We also discuss the similarity between protein–ligand interaction representations and small‐molecule representations, and the challenges confronted by the scientific community in characterizing protein–ligand interactions. We expect that this review could inspire the development of novel featurization approaches and boosted MLSFs. This article is categorized under:Data Science > Artificial Intelligence/Machine LearningSoftware > Molecular ModelingMolecular and Statistical Mechanics > Molecular Interactions
- Subjects
PROTEIN-ligand interactions; DEEP learning; MOLECULAR interactions; ARTIFICIAL intelligence; MACHINE learning; STATISTICAL mechanics
- Publication
WIREs: Computational Molecular Science, 2022, Vol 12, Issue 2, p1
- ISSN
1759-0876
- Publication type
Article
- DOI
10.1002/wcms.1567