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Updated: May 29, 2026
08:49
Incorporating Target Protein Structure Flexibility and Dynamics in Computational Drug Discovery Using Ensemble-Based Docking Analysis
Published on: June 20, 2025
Conformational adaptation in drug-target interactions and residence time
1Epizyme, Inc., 325 Vassar Street, Cambridge, MA 02139, USA. rcopeland@epizyme.com
Future Medicinal Chemistry
|September 3, 2011
Summary
Drug-target interactions are dynamic, not static. Conformational changes in drug targets significantly impact drug binding and dissociation, influencing residence time and therapeutic effects.
Area of Science:
- Pharmacology
- Biochemistry
- Computational Biology
Background:
- Traditional models of drug-target interactions often overlook the dynamic nature of proteins.
- Understanding conformational dynamics is crucial for explaining drug efficacy and safety.
- High-affinity drug binding involves complex molecular rearrangements.
Purpose of the Study:
- To explore the kinetics of drug-target association and dissociation reactions.
- To emphasize the role of conformational adaptation in drug-target residence time.
- To provide a perspective on how target dynamics influence drug pharmacology.
Main Methods:
- Review of kinetic principles governing molecular interactions.
- Analysis of conformational changes in drug-target complexes.
- Exploration of residence time as a key kinetic parameter.
Main Results:
- Conformational adaptation of drug targets critically controls drug binding and unbinding rates.
- Drug-target residence time is significantly influenced by these dynamic conformational events.
- Sustained pharmacology and reduced off-target toxicity are associated with optimized residence times.
Conclusions:
- Drug-target interactions are fundamentally dynamic processes influenced by target conformational changes.
- Conformational adaptation is a key determinant of drug-target residence time, impacting therapeutic outcomes.
- Kinetic analysis, considering conformational dynamics, offers deeper insights into drug action.
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