期刊
JOURNAL OF CHEMICAL INFORMATION AND MODELING
卷 62, 期 2, 页码 225-231出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jcim.1c00691
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类别
资金
- Acellera Ltd.
- Ministerio de Ciencia e Innovacion [PID2020-116564GB-I00/MICIN/AEI/10.13039/501100011033]
- European Union [823712]
- Industrial Doctorates Plan of the Secretariat of Universities and Research of the Department of Economy and Knowledge of the Generalitat of Catalonia
In this study, the authors present a new application to visualize the contribution of each input atom to the prediction made by a convolutional neural network, aiding in the interpretability of such predictions. The results suggest that the model is able to learn meaningful chemistry signals from the data, but it has also exposed the inaccuracies of the current model, serving as a guideline for further optimization.
Deep learning has been successfully applied to structure-based protein-ligand affinity prediction, yet the black box nature of these models raises some questions. In a previous study, we presented K-DEEP, a convolutional neural network that predicted the binding affinity of a given protein-ligand complex while reaching state-of-the-art performance. However, it was unclear what this model was learning. In this work, we present a new application to visualize the contribution of each input atom to the prediction made by the convolutional neural network, aiding in the interpretability of such predictions. The results suggest that K-DEEP is able to learn meaningful chemistry signals from the data, but it has also exposed the inaccuracies of the current model, serving as a guideline for further optimization of our prediction tools.
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