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💊📝 Awesome Protein-Ligand Interactions

This is the official repository for the review article "Modeling Protein–Ligand Interactions for Drug Discovery in the Era of Deep Learning" published in Chemical Society Reviews. [link]. We curate papers, tools, and resources related to deep learning-based modeling of protein–ligand interactions for drug discovery.

Note: This repository is not intended to be an exhaustive or definitive collection. The included papers and resources were selected based on the authors’ perspectives and interests, and we sincerely apologize for any important work that may have been unintentionally omitted. We warmly welcome community contributions and suggestions to help improve and expand this resource.

Table of Contents

1. Deep Learning-Augmented Molecular Dynamics

1.1 MD simulations of protein-ligand complexes with MLFFs

Name Paper Title Year Venue Resources Notes
/ Simulating protein-ligand binding with neural network potentials [paper] 2020 Chem. Sci. / NNP/MM
qmlify Towards chemical accuracy for alchemical free energy calculations with hybrid physics-based machine learning/molecular mechanics potentials [preprint] 2020 bioRxiv [code] NNP/MM
/ NNP/MM: accelerating molecular dynamics simulations with machine learning potentials and molecular mechanics [paper] 2023 JCIM [code] NNP/MM
/ Enhancing protein-ligand binding affinity predictions using neural network potentials [paper] 2024 JCIM [data] NNP/MM
AP-Net A physics-aware neural network for protein-ligand interactions with quantum chemical accuracy [paper] 2024 Chem. Sci. [code] Native MLFF
espaloma-0.3 Machine-learned molecular mechanics force fields from large-scale quantum chemical data [paper] 2024 Chem. Sci. [code] Native MLFF
QuantumBind-RBFE QuantumBind-RBFE: accurate relative binding free energy calculations using neural network potentials [paper] 2025 JCIM [code] NNP/MM

1.2 Learning protein-ligand interactions from MD trajectories

Name Paper Title Year Venue Resources
NRI-MD Neural relational inference to learn long-range allosteric interactions in proteins from molecular dynamics simulations [paper] 2022 Nat. Commun. [code]
ProtMD Pre-training of equivariant graph matching networks with conformation flexibility for drug binding [paper] 2022 Adv. Sci. [code]
Dynaformer From static to dynamic structures: improving binding affinity prediction with graph-based deep learning [paper] 2024 Adv. Sci. [code]
MDbind Spatio-temporal learning from molecular dynamics simulations for protein–ligand binding affinity prediction [paper] 2025 Bioinformatics [code]

1.3 Generative modeling of MD trajectories for protein-ligand complexes

Name Paper Title Year Venue Resources
BioMD BioMD: all-atom generative model for biomolecular dynamics simulation [paper] 2026 ICLR /
BioKinema Physically grounded generative modeling of all-atom biomolecular dynamics [preprint] 2026 bioRxiv [code]

1.4 Benchmarks, datasets, and tools

Name Paper Title Year Venue Resources Notes
SPICE SPICE, a dataset of drug-like molecules and peptides for training machine learning potentials [paper] 2023 Sci. Data [data] [code] QM calculations
MISATO MISATO: machine learning dataset of protein-ligand complexes for structure-based drug discovery [paper] 2024 Nat. Comput. Sci. [data] [code] QM calculations & MD trajectories
PLAS-20k PLAS-20k: extended dataset of protein-ligand affinities from MD simulations for machine learning applications [paper] 2024 Sci. Data [data] MD trajectories & MMPBSA calculations
OMol25 The open molecules 2025 (OMol25) dataset, evaluations, and models [preprint] 2025 arXiv [data] [code] [blog] QM calculations
DD-13M A Novel 4-D Dataset Paradigm for Studying Complete Ligand-Protein Dissociation Dynamics [preprint] 2025 arXiv [data] [webpage] MD trajectories
qcMol qcMol: a large-scale dataset of 1.2 million molecules with high-quality quantum chemical annotations for molecular representation learning [preprint] 2025 bioRxiv [webpage] QM calculations
BMS25 Biomolecular multiscale simulation (BMS25) dataset to train neural network potentials for QM/MM settings with electrostatic embedding [preprint] 2025 ChemRxiv [data] QM/MM calculations
AnewFEP Physics-Based vs AI-Based Free Energy Prediction for Protein-Ligand Potency: Public Benchmarks and Internal Project Evidence [preprint] 2026 ChemRxiv / RBFE benchmark & prospective evidence

2. Deep Learning-Enhanced Molecular Docking and Virtual Screening

2.1 Deep learning-based docking methods

Name Paper Title Year Venue Resources Notes
DeepDock A geometric deep learning approach to predict binding conformations of bioactive molecules [paper] 2021 Nat. Mach. Intell. [code] Rigid receptor
TankBind TankBind: trigonometry-aware neural networks for drug-protein binding structure prediction [paper] 2022 NeurIPS [code] Rigid receptor
EquiBind EquiBind: geometric deep learning for drug binding structure prediction [paper] 2022 ICML [code] Rigid receptor
E3Bind E3Bind: an end-to-end equivariant network for protein-ligand docking [paper] 2022 ICLR / Rigid receptor
DiffDock DiffDock: diffusion steps, twists, and turns for molecular docking [paper] 2022 ICLR [code] Rigid receptor
Uni-Mol Uni-Mol: a universal 3D molecular representation learning framework [paper] 2023 ICLR [code] Rigid receptor
KarmaDock Efficient and accurate large library ligand docking with KarmaDock [paper] 2023 Nat. Comput. Sci. [code] Rigid receptor
FABind FABind: fast and accurate protein-ligand binding [paper] 2023 NeurIPS [code] Rigid receptor
FlexPose Equivariant flexible modeling of the protein-ligand binding pose with geometric deep learning [paper] 2023 JCTC [code] Side-chain flexible
CarsiDock CarsiDock: a deep learning paradigm for accurate protein-ligand docking and screening based on large-scale pre-training [paper] 2024 Chem. Sci. [code] Rigid receptor
DeltaDock DeltaDock: a unified framework for accurate, efficient, and physically reliable molecular docking [paper] 2024 NeurIPS [code] Rigid receptor
DiffBindFR DiffBindFR: an SE (3) equivariant network for flexible protein-ligand docking [paper] 2024 Chem. Sci. [code] Side-chain flexible
DynamicBind DynamicBind: predicting ligand-specific protein-ligand complex structure with a deep equivariant generative model [paper] 2024 Nat. Commun. [code] Fully flexible
PackDock Flexible protein–ligand docking with diffusion-based side-chain packing [paper] 2025 PNAS [code] Side-chain flexible
Matcha Matcha: Multi-Stage Riemannian Flow Matching for Accurate and Physically Valid Molecular Docking [preprint] 2025 arXiv [code] Rigid receptor

2.2 Deep learning scoring functions and binding affinity prediction

Name Paper Title Year Venue Resources Notes
OnionNet OnionNet: a multiple-layer intermolecular-contact-based convolutional neural network for protein-ligand binding affinity prediction [paper] 2019 ACS Omega [code] /
RTMScore Boosting protein-ligand binding pose prediction and virtual screening based on residue-atom distance likelihood potential and graph transformer [paper] 2022 JMC [code] /
PIGNet PIGNet: a physics-informed deep learning model toward generalized drug-target interaction predictions [paper] 2022 Chem. Sci. [code] Physical terms
GenScore A generalized protein-ligand scoring framework with balanced scoring, docking, ranking and screening powers [paper] 2023 Chem. Sci. [code] /
PBCNet Computing the relative binding affinity of ligands based on a pairwise binding comparison network [paper] 2023 Nat. Comput. Sci. [code] Relative binding affinity
PLANET PLANET: a multi-objective graph neural network model for protein-ligand binding affinity prediction [paper] 2023 JCIM [code] Binding pose-free
EquiScore Generic protein-ligand interaction scoring by integrating physical prior knowledge and data augmentation modelling [paper] 2024 Nat. Mach. Intell. [code] Interaction fingerprints
DeepRLI DeepRLI: a multi-objective framework for universal protein-ligand interaction prediction [paper] 2025 Digit. Discov. [code] /
PBCNet2.0 Atomic-level protein–ligand recognition with PBCNet2.0 for probe discovery [paper] 2026 Nat. Chem. Biol. [code] Relative binding affinity, probe discovery
BioScore BioScore: a foundational scoring function for diverse biomolecular complexes [preprint] 2025 arXiv / A unified scoring function

2.3 Deep learning-accelerated virtual screening

Name Paper Title Year Venue Resources Notes
Deep Docking Deep docking: a deep learning platform for augmentation of structure based drug discovery [paper] 2020 ACS Cent. Sci. [code] /
DrugCLIP DrugCLIP: contrastive protein-molecule representation learning for virtual screening [paper] 2023 NeurIPS [code] [project page] CLIP architecture
OpenVS An artificial intelligence accelerated virtual screening platform for drug discovery [paper] 2024 Nat. Commun. [code] Active learning
/ Rapid traversal of vast chemical space using machine learning-guided docking screens [paper] 2025 Nat. Comput. Sci. [code] /
FragmentScope FragmentScope - exploring the fragment space with learned surface representations [preprint] 2025 bioRxiv [code] Surface-based fragment screening
BoltzMol-1 BoltzMol-1: Towards reliable virtual screening for fast and cost-effective hit discovery [technical report] 2026 Technical Report [platform] AI-driven prospective hit discovery
CombiDOCK & MINT-Dock Combinatorial docking and molecular generation to navigate over 100-billion molecules for prospective ligand discovery [preprint] 2026 bioRxiv / 100B-scale make-on-demand screening

2.4 Benchmarks, datasets, and tools

Name Paper Title Year Venue Resources Notes
BindingDB BindingDB: a web-accessible database of experimentally determined protein-ligand binding affinities [paper] 2007 NAR [webpage] Database
ChEMBL ChEMBL: a large-scale bioactivity database for drug discovery [paper] 2012 NAR [webpage] [code] Database
ZINC Database ZINC 15-ligand discovery for everyone [paper] 2015 JCIM [webpage] Database
Enamine REAL Space Generating multibillion chemical space of readily accessible screening compounds [paper] 2020 iScience [webpage] Make-on-demand database
PoseBusters PoseBusters: AI-based docking methods fail to generate physically valid poses or generalise to novel sequences [paper] 2024 Chem. Sci. [code] [doc] Benchmark, pose quality check
Leak Proof PDBBind Leak Proof PDBBind: A Reorganized Data Set of Protein-Ligand Complexes for More Generalizable Binding Affinity Prediction [paper] 2026 J. Phys. Chem. B [code] Dataset split
SPECTRA Evaluating generalizability of artificial intelligence models for molecular datasets [paper] 2024 Nat. Mach. Intell. [code] Framework for model evaluation
SAIR SAIR: Enabling Deep Learning for Protein-Ligand Interactions with a Synthetic Structural Dataset [paper] 2026 ICLR [data] Database, AF3-predicted structures
QUID Extending quantum-mechanical benchmark accuracy to biological ligand-pocket interactions [paper] 2025 Nat. Commun. [data] Benchmark, QM-level pocket-ligand interaction systems
BindFlow BindFlow: A Free, User-Friendly Pipeline for Absolute Binding Free Energy Calculations Using Free Energy Perturbation or MM(PB/GB)SA [paper] 2026 JCTC [code] Tool, FEP & MM(PB/GB)SA pipeline

3. End-to-End Structural Modeling

3.1 Protein structure prediction with applications in drug discovery

Paper Title Year Venue Resources Notes
AlphaFold2 structures guide prospective ligand discovery [paper] 2024 Science / GPCR targets
AlphaFold accelerates artificial intelligence powered drug discovery: efficient discovery of a novel CDK20 small molecule inhibitor [paper] 2023 Chem. Sci. [PandaOmics] [Chemistry42] CDK20
AlphaFold accelerated discovery of psychotropic agonists targeting the trace amine-associated receptor 1 [paper] 2024 Sci. Adv. / TAAR1
Virtual library docking for cannabinoid-1 receptor agonists with reduced side effects [paper] 2025 Nat. Commun. [data] Cannabinoid-1 receptor

3.2 Generative modeling of protein–ligand complexes and equilibrium ensembles

Name Paper Title Year Venue Resources Notes
NeuralPLexer State-specific protein-ligand complex structure prediction with a multiscale deep generative model [paper] 2024 Nat. Mach. Intell. [code] /
RoseTTAFold All-Atom Generalized biomolecular modeling and design with RoseTTAFold All-Atom [paper] 2024 Science [code] /
AlphaFold3 Accurate structure prediction of biomolecular interactions with AlphaFold 3 [paper] 2024 Nature [code] [server] Non-commercial usage
Umol Structure prediction of protein-ligand complexes from sequence information with Umol [paper] 2024 Nat. Commun. [code] /
Chai-1 Chai-1: decoding the molecular interactions of life [preprint] 2024 bioRxiv [code] [server] /
Protenix Protenix - Advancing Structure Prediction Through a Comprehensive AlphaFold3 Reproduction [preprint] 2025 bioRxiv [code] [server] /
Boltz-1 Boltz-1: democratizing biomolecular interaction modeling [preprint] 2024 bioRxiv [code] [blog] /
Boltz-2 Boltz-2: Towards accurate and efficient binding affinity prediction [preprint] 2025 bioRxiv [code] [design-code] FEP-level affinity prediciton
GeoFlow-V2 GeoFlow-V2: a unified atomic diffusion model for protein structure prediction and de novo design [preprint] 2025 bioRxiv [server] Protein Binder & antibody design
Chai-2 Zero-shot antibody design in a 24-well plate [preprint] 2025 bioRxiv [blog] Minibinder & antibody design
RF3 Accelerating biomolecular modeling with AtomWorks and RF3 [preprint] 2025 bioRxiv [code] AtomWorks framework
Pearl Pearl: a foundation model for placing every atom in the right location [preprint] 2025 arXiv / Synthetic data, SO(3)-equivariance
SeedFold SeedFold: scaling biomolecular structure prediction [preprint] 2025 arXiv [project page] Synthetic data, linear triangular attention
Protenix-v1 Protenix-v1: toward high-accuracy open-source biomolecular structure prediction [preprint] 2026 bioRxiv [code] [server] Open-source structure prediction model with superior performance to AlphaFold3
Protenix-v2 Protenix-v2: Broadening the Reach of Structure Prediction and Biomolecular Design [preprint] 2026 bioRxiv [code] [server] Structure prediction and biomolecular design
IsoDDE Accurate predictions of novel biomolecular interactions with IsoDDE [technical report] 2026 Technical Report / State-of-the-art performance in challenging structure modeling and affinity prediction, implementation details not disclosed
OpenFold3 OpenFold3-preview2 technical report [technical report] 2026 Technical Report [code] MGnify 13M-sequence distillation dataset openly available
AnewSampling Learning the all-atom equilibrium distribution of biomolecular interactions at scale [preprint] 2026 bioRxiv [project page] Dynamic equilibrium sampling of protein–ligand complexes

4. Structure-Based De Novo Drug Design with Deep Generative Models

4.1 Structure-based de novo drug design methods

Name Paper Title Year Venue Resources Notes
/ A 3D generative model for structure-based drug design [paper] 2021 NeurIPS [code] Autoregressive
DeepLigBuilder Structure-based de novo drug design using 3D deep generative models [paper] 2021 Chem. Sci. [data] Autoregressive
GraphBP Generating 3D molecules for target protein binding [paper] 2022 ICML [code] Autoregressive
Pocket2Mol Pocket2Mol: efficient molecular sampling based on 3D protein pockets [paper] 2022 ICML [code] Autoregressive
DeepLigBuilder+ Synthesis-driven design of 3D molecules for structure-based drug discovery using geometric transformers [preprint] 2022 arXiv / Autoregressive, synthon, pharmacophore
TargetDiff 3D equivariant diffusion for target-aware molecule generation and affinity prediction [paper] 2023 ICLR [code] Non-autoregressive
FLAG Molecule generation for target protein binding with structural motifs [paper] 2023 ICLR [code] Autoregressive, fragment
ResGen ResGen is a pocket-aware 3D molecular generation model based on parallel multiscale modelling [paper] 2023 Nat. Mach. Intell. [code] Autoregressive
DrugGPS Learning subpocket prototypes for generalizable structure-based drug design [paper] 2023 ICML [code] Autoregressive, fragment
DecompDiff DecompDiff: diffusion models with decomposed priors for structure-based drug design [paper] 2023 ICML [code] Non-autoregressive, fragment
D3FG Functional-group-based diffusion for pocket-specific molecule generation and elaboration [paper] 2023 NeurIPS [code] Non-autoregressive, fragment
SurfGen Learning on topological surface and geometric structure for 3D molecular generation [paper] 2023 Nat. Comput. Sci. [code] Autoregressive, explicit pocket surface features
PocketFlow PocketFlow is a data-and-knowledge-driven structure-based molecular generative model [paper] 2024 Nat. Mach. Intell. [code] Autoregressive
DiffSBDD Structure-based drug design with equivariant diffusion models [paper] 2024 Nat. Comput. Sci. [code] Non-autoregressive
PMDM A dual diffusion model enables 3D molecule generation and lead optimization based on target pockets [paper] 2024 Nat. Commun. [code] Non-autoregressive
MolCRAFT MolCRAFT: structure-based drug design in continuous parameter space [paper] 2024 ICML [code] Non-autoregressive
Lingo3DMol Generation of 3D molecules in pockets via a language model [paper] 2024 Nat. Mach. Intell. [code] Autoregressive LM, fragment
KGDiff KGDiff: towards explainable target-aware molecule generation with knowledge guidance [paper] 2024 Brief. Bioinform. [code] Non-autoregressive, Vina scoring guidance
FlexSBDD FlexSBDD: structure-based drug design with flexible protein modeling [paper] 2024 NeurIPS / Non-autoregressive, dynamic pocket
DynamicFlow Integrating protein dynamics into structure-based drug design via full-atom stochastic flows [paper] 2025 ICLR / Non-autoregressive, dynamic pocket
DrugFlow & FlexFlow Multi-domain distribution learning for de novo drug design [paper] 2025 ICLR [code] Non-autoregressive, flexible side-chains
RxnFlow Generative flows on synthetic pathway for drug design [paper] 2025 ICLR [code] Autoregressive, codesigns synthetic routes
SynGFN SynGFN: learning across chemical space with generative flow-based molecular discovery [paper] 2025 Nat. Comput. Sci. [code] Autoregressive, codesigns synthetic routes
PocketXMol Unified modeling of 3D molecular generation via atomic interactions with PocketXMol [paper] 2026 Cell [code] Non-autoregressive, atom-level generative foundation model
AnewOmni Programming biomolecular interactions with all-atom generative model [preprint] 2026 bioRxiv [project page] Non-autoregressive, all-atom latent diffusion, unified generation of peptides, antibodies, and small molecules

4.2 Ligand-based design and lead optimization methods

Name Paper Title Year Venue Resources Notes
Delinker Deep generative models for 3D linker design [paper] 2020 JCIM [code] Linker
DEVELOP Deep generative design with 3D pharmacophoric constraints [paper] 2021 Chem. Sci. [code] Linker, pharmacophore
DeepHop Deep scaffold hopping with multimodal transformer neural networks [paper] 2021 J. Cheminform. [code] Scaffold hopping
DRLinker DRLinker: deep reinforcement learning for optimization in fragment linking design [paper] 2022 JCIM [code] Linker
SILVR SILVR: guided diffusion for molecule generation [paper] 2023 JCIM [code] Training-free
FFLOM FFLOM: a flow-based autoregressive model for fragment-to-lead optimization [paper] 2023 JMC [code] Linker
LinkerNet LinkerNet: fragment poses and linker co-design with 3D equivariant diffusion [paper] 2023 NeurIPS [code] Linker
PGMG A pharmacophore-guided deep learning approach for bioactive molecular generation [paper] 2023 Nat. Commun. [code] Scaffold hopping, pharmacophore
DiffLinker Equivariant 3D-conditional diffusion model for molecular linker design [paper] 2024 Nat. Mach. Intell. [code] Linker
ShEPhERD ShEPhERD: diffusing shape, electrostatics, and pharmacophores for bioisosteric drug design [paper] 2025 ICLR [code] Bioisosteric lignd design, shape & electrostatics & pharmacophore
Delete Deep lead optimization enveloped in protein pocket and its application in designing potent and selective ligands targeting LTK protein [paper] 2025 Nat. Mach. Intell. [code] /
TransPharmer Accelerating discovery of bioactive ligands with pharmacophore-informed generative models [paper] 2025 Nat. Commun. [code] Scaffold elaboration, pharmacophore
PhoreGen Pharmacophore-oriented 3D molecular generation toward efficient feature-customized drug discovery [paper] 2025 Nat. Comput. Sci. [code] Pharmacophore
ED2Mol Electron-density-informed effective and reliable de novo molecular design and optimization with ED2Mol [paper] 2025 Nat. Mach. Intell. [code] Electron density

4.3 Benchmarks, datasets, and tools

Name Paper Title Year Venue Resources Notes
GuacaMol GuacaMol: benchmarking models for de novo molecular design [paper] 2019 JCIM [code] Benchmark
MOSES Molecular sets (MOSES): a benchmarking platform for molecular generation models [paper] 2020 Front. Pharmacol. [code] Benchmark
CrossDocked2020 Three-dimensional convolutional neural networks and a cross-docked data set for structure-based drug design [paper] 2020 JCIM [data] [instruction] Benchmark, dataset
POKMOL-3D How good are current pocket-based 3D generative models?: the benchmark set and evaluation of protein pocket-based 3D molecular generative models [paper] 2024 JCIM [code] Benchmark
Durian Durian: a comprehensive benchmark for structure-based 3D molecular generation [paper] 2024 JCIM [code] Benchmark
CBGBench CBGBench: fill in the blank of protein-molecule complex binding graph [paper] 2025 ICLR [code] Benchmark
MolGenBench Benchmarking real-world applicability of molecular generative models from de novo design to lead optimization with MolGenBench [preprint] 2025 bioRxiv [code] Benchmark
TarPass Revisiting target-aware de novo molecular generation with TarPass: between rational design and Texas Sharpshooter [paper] 2026 Advanced Science [code] Benchmark

5. Sequence-Based Methods for Drug Discovery

Name Paper Title Year Venue Resources Notes
DrugBAN Interpretable bilinear attention network with domain adaptation improves drug--target prediction [paper] 2023 Nat. Mach. Intell. [code] DTI prediction
DeepTarget Deep generative model for drug design from protein target sequence [paper] 2023 J. Cheminform. [code] Target-conditioned generation
ConPLex Contrastive learning in protein language space predicts interactions between drugs and protein targets [paper] 2023 PNAS [code] ULVS
TransformerCPI 2.0 Sequence-based drug design as a concept in computational drug design [paper] 2023 Nat. Commun. [code] DTI prediction
CogMol Accelerating drug target inhibitor discovery with a deep generative foundation model [paper] 2023 Sci. Adv. [code] Target-conditioned generation
AI-Bind Improving the generalizability of protein-ligand binding predictions with AI-Bind [paper] 2023 Nat. Commun. [code] DTI prediction, interaction network
DRAGONFLY Prospective de novo drug design with deep interactome learning [paper] 2024 Nat. Commun. [code] DTI prediction, generation, interaction network
PSICHIC Physicochemical graph neural network for learning protein-ligand interaction fingerprints from sequence data [paper] 2024 Nat. Mach. Intell. [code] Interaction fingerprints
DeepBlock A deep learning approach for rational ligand generation with toxicity control via reactive building blocks [paper] 2024 Nat. Comput. Sci. [code] Target-conditioned generation, fragment
LaMGen LaMGen: LLM-based 3D molecular generation for multi-target drug design [paper] 2026 Nat. Commun. [code] [software] Multi-target 3D generation from protein sequences

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We welcome contributions from the community. To contribute, please fork this repository, apply your modifications, and open a pull request to the main branch.

License

This repository is licensed under the MIT License. See the LICENSE file for details.

Citation

If you find this repository useful for your research, please consider citing the following paper:

@article{wang2025modeling,
  title={Modeling protein–ligand interactions for drug discovery in the era of deep learning},
  author={Wang, Yuzhe and Li, Yibo and Chen, Jiaxiao and Lai, Luhua},
  journal={Chemical Society Reviews},
  year={2025},
  publisher={The Royal Society of Chemistry},
  doi={10.1039/D5CS00415B}
}

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