Title
Deep drug-target binding affinity prediction with multiple attention blocks
Abstract
Drug-target interaction (DTI) prediction has drawn increasing interest due to its substantial position in the drug discovery process. Many studies have introduced computational models to treat DTI prediction as a regression task, which directly predict the binding affinity of drug-target pairs. However, existing studies (i) ignore the essential correlations between atoms when encoding drug compounds and (ii) model the interaction of drug-target pairs simply by concatenation. Based on those observations, in this study, we propose an end-to-end model with multiple attention blocks to predict the binding affinity scores of drug-target pairs. Our proposed model offers the abilities to (i) encode the correlations between atoms by a relation-aware self-attention block and (ii) model the interaction of drug representations and target representations by the multi-head attention block. Experimental results of DTI prediction on two benchmark datasets show our approach outperforms existing methods, which are benefit from the correlation information encoded by the relation-aware self-attention block and the interaction information extracted by the multi-head attention block. Moreover, we conduct the experiments on the effects of max relative position length and find out the best max relative position length value . Furthermore, we apply our model to predict the binding affinity of Corona Virus Disease 2019 (COVID-19)-related genome sequences and FDA-approved drugs.
Year
DOI
Venue
2021
10.1093/bib/bbab117
BRIEFINGS IN BIOINFORMATICS
Keywords
DocType
Volume
deep learning, drug-target interaction, self-attention, COVID-19
Journal
22
Issue
ISSN
Citations 
5
1467-5463
3
PageRank 
References 
Authors
0.39
0
5
Name
Order
Citations
PageRank
Yuni Zeng130.39
Xiangru Chen271.89
Yujie Luo330.39
Xuedong Li430.39
Dezhong Peng528527.92