期刊
BIOINFORMATICS
卷 38, 期 4, 页码 1141-1143出版社
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btab762
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资金
- National Health and Medical Research Council (NHMRC) of Australia [GNT1174405]
- Victorian Government's OIS Program
- Melbourne Research Scholarship
The study developed a machine learning method CSM-AB capable of predicting antibody-antigen binding affinity and accurately ranking near-native poses, showing promising results for the development of new immunotherapies.
Motivation: Understanding antibody-antigen interactions is key to improving their binding affinities and specificities. While experimental approaches are fundamental for developing new therapeutics, computational methods can provide quick assessment of binding landscapes, guiding experimental design. Despite this, little effort has been devoted to accurately predicting the binding affinity between antibodies and antigens and to develop tailored docking scoring functions for this type of interaction. Here, we developed CSM-AB, a machine learning method capable of predicting antibody-antigen binding affinity by modelling interaction interfaces as graph-based signatures. Results: CSM-AB outperformed alternative methods achieving a Pearson's correlation of up to 0.64 on blind tests. We also show CSM-AB can accurately rank near-native poses, working effectively as a docking scoring function. We believe CSM-AB will be an invaluable tool to assist in the development of new immunotherapies.
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