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Related Concept Videos

Ligand Binding Sites02:40

Ligand Binding Sites

Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
Ligand Binding Sites02:40

Ligand Binding Sites

Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
Conserved Binding Sites01:49

Conserved Binding Sites

Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally analyses the...
The Equilibrium Binding Constant and Binding Strength02:18

The Equilibrium Binding Constant and Binding Strength

The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
Drug Discovery: Overview01:26

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
Structure-Activity Relationships and Drug Design01:28

Structure-Activity Relationships and Drug Design

Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence its...

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Related Experiment Video

Updated: Jul 19, 2026

Incorporating Target Protein Structure Flexibility and Dynamics in Computational Drug Discovery Using Ensemble-Based Docking Analysis
08:49

Incorporating Target Protein Structure Flexibility and Dynamics in Computational Drug Discovery Using Ensemble-Based Docking Analysis

Published on: June 20, 2025

Receptor-based computational screening of compound databases: the main docking-scoring engines.

Olivier Sperandio1, Maria A Miteva, Francois Delfaud

  • 1INSERM U648, University Paris V, 45 rue des Sts Peres, 75006 Paris, France.

Current Protein & Peptide Science
|November 1, 2006
PubMed
Summary

Structure-based drug design and in silico screening accelerate the discovery of new medicines. Advances in computational methods and structural data enable rapid identification of potential therapeutic compounds for various diseases.

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Incorporating Target Protein Structure Flexibility and Dynamics in Computational Drug Discovery Using Ensemble-Based Docking Analysis
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Area of Science:

  • Computational chemistry and structural biology
  • Drug discovery and medicinal chemistry

Background:

  • Drug discovery utilizes novel techniques, with growing protein structure and ligand data.
  • Theoretical understanding of protein-ligand interactions is advancing.
  • Structure-based drug design and in silico screening are integral to modern lead discovery.

Purpose of the Study:

  • To review key concepts and features of selected ligand-receptor docking/scoring methods.
  • To highlight the role of in silico screening in modern drug discovery programs.

Main Methods:

  • Review of established and emerging computational techniques.
  • Analysis of structure-based drug design strategies.
  • Exploration of in silico screening methodologies.

Main Results:

  • In silico approaches, combined with experimental methods, facilitate new drug design.
  • Prioritization of compound libraries enables rapid identification of tight-binding ligands.
  • These methods aid in developing therapeutics for cardiovascular, degenerative, infectious, and neoplastic diseases.

Conclusions:

  • In silico screening and structure-based design are revolutionizing drug discovery.
  • These computational tools are essential for identifying novel therapeutic agents efficiently.
  • The reviewed methods contribute to the development of medicines across diverse therapeutic areas.