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Updated: Sep 19, 2025

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Published on: July 8, 2025
HADDOCK3: A Modular and Versatile Platform for Integrative Modeling of Biomolecular Complexes
Marco Giulini1, Victor Reys1, João M C Teixeira1,2
1Bijvoet Centre for Biomolecular Research, Faculty of Science─Chemistry, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands.
HADDOCK3 is a new modular version of the HADDOCK software, enhancing biomolecular complex modeling. This flexible tool integrates experimental data with physics-based calculations, complementing machine learning predictions in structural biology.
Area of Science:
- Structural Biology
- Computational Biology
- Biophysics
Background:
- HADDOCK is a established tool for integrative modeling of biomolecular complexes.
- It incorporates experimental data into physics-based calculations for prediction and analysis.
- Previous versions had a rigid pipeline, limiting flexibility.
Purpose of the Study:
- Introduce HADDOCK3, a new modular version of the HADDOCK software.
- Enhance flexibility and expand capabilities for integrative modeling.
- Provide a physics-based tool to complement machine learning predictions.
Main Methods:
- Deconstructed the original HADDOCK pipeline into independent modules.
- Integrated powerful analysis tools and third-party software.
- Developed HADDOCK3 to handle diverse integrative modeling scenarios.
Main Results:
- HADDOCK3 offers increased flexibility for various modeling tasks.
- Demonstrated successful applications not feasible with previous HADDOCK versions.
- Highlighted expanded capabilities for complex structural predictions.
Conclusions:
- HADDOCK3 is a versatile, physics-based tool for biomolecular complex modeling.
- Its modular design and enhanced features support advanced structural biology research.
- It effectively complements machine learning approaches in the post-AlphaFold era.
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