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Accurate prediction of protein-ligand binding affinities is an essential challenge in structure-based drug design. Despite recent advances in data-driven methods for affinity prediction, their accuracy is still limited, partially because…

Biomolecules · Quantitative Biology 2024-09-04 Yaosen Min , Ye Wei , Peizhuo Wang , Xiaoting Wang , Han Li , Nian Wu , Stefan Bauer , Shuxin Zheng , Yu Shi , Yingheng Wang , Ji Wu , Dan Zhao , Jianyang Zeng

Despite recent advances in protein-ligand structure prediction, deep learning methods remain limited in their ability to accurately predict binding affinities, particularly for novel protein targets dissimilar from the training set. In…

Quantitative Methods · Quantitative Biology 2025-12-04 Michael Brocidiacono , James Wellnitz , Konstantin I. Popov , Alexander Tropsha

The trade-off between predictive accuracy and data availability makes it difficult to predict protein--protein binding affinity accurately. The lack of experimentally resolved protein structures limits the performance of structure-based…

Machine Learning · Computer Science 2026-01-08 Wajid Arshad Abbasi , Syed Ali Abbas , Maryum Bibi , Saiqa Andleeb , Muhammad Naveed Akhtar

There is great interest to develop artificial intelligence-based protein-ligand affinity models due to their immense applications in drug discovery. In this paper, PointNet and PointTransformer, two pointwise multi-layer perceptrons have…

Biomolecules · Quantitative Biology 2021-07-12 Yeji Wang , Shuo Wu , Yanwen Duan , Yong Huang

Predicting interactions between biomolecules, such as protein-protein complexes, remains a challenging problem. Despite the many advancements done so far, the performances of docking protocols are deeply dependent on their capability of…

Biomolecules · Quantitative Biology 2025-08-19 Greta Grassmann , Lorenzo Di Rienzo , Giancarlo Ruocco , Mattia Miotto , Edoardo Milanetti

The identification of novel drug-target (DT) interactions is a substantial part of the drug discovery process. Most of the computational methods that have been proposed to predict DT interactions have focused on binary classification, where…

Machine Learning · Statistics 2019-02-06 Hakime Öztürk , Elif Ozkirimli , Arzucan Özgür

The prediction of protein-ligand binding affinity is of great significance for discovering lead compounds in drug research. Facing this challenging task, most existing prediction methods rely on the topological and/or spatial structure of…

Biomolecules · Quantitative Biology 2022-09-28 Yang Zhang , Gengmo Zhou , Zhewei Wei , Hongteng Xu

Recently developed deep learning techniques have significantly improved the accuracy of various speech and image recognition systems. In this paper we adapt some of these techniques for protein secondary structure prediction. We first train…

Machine Learning · Computer Science 2016-11-07 Akosua Busia , Jasmine Collins , Navdeep Jaitly

Protein-ligand modeling underpins computational drug discovery and molecular design. Existing protein-ligand benchmarks typically evaluate whether a protein and ligand interact and how strongly they bind, through tasks such as binary…

Machine Learning · Computer Science 2026-05-26 Zhaohan Meng , Zhen Bai , Ke Yuan , Iadh Ounis , Zaiqiao Meng , Hao Xu , Joseph Loscalzo

Docking is an important tool in computational drug discovery that aims to predict the binding pose of a ligand to a target protein through a combination of pose scoring and optimization. A scoring function that is differentiable with…

Machine Learning · Statistics 2017-10-23 Matthew Ragoza , Lillian Turner , David Ryan Koes

Expanding the scope of graph-based, deep-learning models to noncovalent protein-ligand interactions has earned increasing attention in structure-based drug design. Modeling the protein-ligand interactions with graph neural networks (GNNs)…

Biomolecules · Quantitative Biology 2020-05-28 Hyeoncheol Cho , Eok Kyun Lee , Insung S. Choi

Recent work has shown that convolutional networks can be substantially deeper, more accurate, and efficient to train if they contain shorter connections between layers close to the input and those close to the output. In this paper, we…

Machine Learning · Computer Science 2020-01-09 Gao Huang , Zhuang Liu , Geoff Pleiss , Laurens van der Maaten , Kilian Q. Weinberger

Deep learning approaches achieved significant progress in predicting protein structures. These methods are often applied to protein-protein interactions (PPIs) yet require Multiple Sequence Alignment (MSA) which is unavailable for various…

Machine Learning · Computer Science 2024-06-27 Matan Halfon , Tomer Cohen , Raanan Fattal , Dina Schneidman-Duhovny

Machine learning (ML) is revolutionizing protein structural analysis, including an important subproblem of predicting protein residue contact maps, i.e., which amino-acid residues are in close spatial proximity given the amino-acid sequence…

Quantitative Methods · Quantitative Biology 2022-12-23 Kuang Liu , Rajiv K. Kalia , Xinlian Liu , Aiichiro Nakano , Ken-ichi Nomura , Priya Vashishta , Rafael Zamora-Resendizc

Binding affinity prediction of three-dimensional (3D) protein ligand complexes is critical for drug repositioning and virtual drug screening. Existing approaches transform a 3D protein-ligand complex to a two-dimensional (2D) graph, and…

Biomolecules · Quantitative Biology 2022-10-31 Yiqiang Yi , Xu Wan , Kangfei Zhao , Le Ou-Yang , Peilin Zhao

Protein-ligand interactions (PLIs) are fundamental to biochemical research and their identification is crucial for estimating biophysical and biochemical properties for rational therapeutic design. Currently, experimental characterization…

Machine Learning · Statistics 2021-12-01 Carter Knutson , Mridula Bontha , Jenna A. Bilbrey , Neeraj Kumar

Prediction of protein-ligand complexes for flexible proteins remains still a challenging problem in computational structural biology and drug design. Here we present two novel deep neural network approaches with significant improvement in…

Biomolecules · Quantitative Biology 2020-08-28 Amr H. Mahmoud , Jonas F. Lill , Markus A. Lill

Given native 2D contact map, protein 3D structure could be reconstructed with accuracy of 2A or better, and such reconstruction is a feasible computational approach for protein folding problem. The prediction accuracy from traditional…

Biomolecules · Quantitative Biology 2019-06-12 Yuhong Wang , Wei Li , Hongmao Sun , Kennie Cruz-Gutierrez

Efficient and effective drug-target binding affinity (DTBA) prediction is a challenging task due to the limited computational resources in practical applications and is a crucial basis for drug screening. Inspired by the good representation…

Biomolecules · Quantitative Biology 2022-06-15 Shuke Zhang , Yanzhao Jin , Tianmeng Liu , Qi Wang , Zhaohui Zhang , Shuliang Zhao , Bo Shan

Protein interactions are important in a broad range of biological processes. Traditionally, computational methods have been developed to automatically predict protein interface from hand-crafted features. Recent approaches employ deep…

Machine Learning · Computer Science 2020-07-21 Yi Liu , Hao Yuan , Lei Cai , Shuiwang Ji