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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...
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:
Protein-Drug Binding: Determination Methods01:22

Protein-Drug Binding: Determination Methods

Determining protein-drug binding can be achieved through indirect and direct methods, each providing valuable insights into the interaction between proteins and drugs.
Indirect methods involve isolating the bound drug from its free form in biological samples such as blood, serum, or plasma. These techniques aim to measure the percentage of drugs bound to proteins. Equilibrium dialysis is a commonly used method where the free drug concentration at equilibrium is measured by separating the bound...
Molecular Models02:00

Molecular Models

Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...

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Related Experiment Video

Updated: May 18, 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

Molecular docking methodologies.

Andrea Bortolato1, Marco Fanton, Jonathan S Mason

  • 1Heptares Therapeutics Ltd, Hertfordshire, UK.

Methods in Molecular Biology (Clifton, N.J.)
|October 5, 2012
PubMed
Summary
This summary is machine-generated.

Molecular docking is key for structure-based drug design, predicting ligand-target interactions. However, accurate scoring methods for molecular complex free energy prediction remain a challenge in drug discovery.

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Last Updated: May 18, 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

Application of I TASSER, trRosetta, UCSF Chimera, HADDOCK server, and HEX loria for De Novo and In Silico Design of Proteins
05:08

Application of I TASSER, trRosetta, UCSF Chimera, HADDOCK server, and HEX loria for De Novo and In Silico Design of Proteins

Published on: July 8, 2025

Area of Science:

  • Computational Chemistry
  • Structural Biology
  • Drug Discovery

Background:

  • Molecular docking is a crucial computational technique in modern drug design.
  • It predicts the preferred spatial arrangement between a ligand and a biological target.
  • Accurate estimation of binding free energy for ligand-target complexes is essential but challenging.

Purpose of the Study:

  • To summarize the current state-of-the-art molecular docking methodologies.
  • To highlight the diverse applications of molecular docking in drug discovery.
  • To provide an overview of the challenges and advancements in the field.

Main Methods:

  • Review of established and emerging molecular docking algorithms.
  • Analysis of scoring functions used for predicting binding affinity.
  • Examination of computational approaches for structure-based drug design.

Main Results:

  • Molecular docking significantly aids in identifying potential drug candidates.
  • The accuracy of docking predictions is highly dependent on the chosen methodology and scoring function.
  • Despite limitations in scoring, docking remains an indispensable tool in early-stage drug discovery.

Conclusions:

  • Molecular docking is a vital technology for structure-based drug design.
  • Continued development of accurate scoring functions is critical for enhancing docking performance.
  • The integration of molecular docking with other computational and experimental techniques is key for successful drug discovery.