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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...
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...
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...
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:
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...

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Nano-Differential Scanning Fluorimetry for Screening in Fragment-based Lead Discovery
06:26

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Published on: May 16, 2021

Combination of ligand- and structure-based methods in virtual screening.

Malgorzata N Drwal, Renate Griffith

    Drug Discovery Today. Technologies
    |September 21, 2013
    PubMed
    Summary

    Combining ligand- and structure-based molecular modeling methods enhances virtual screening. This review explores sequential, parallel, and hybrid integration strategies, highlighting successful applications in drug discovery.

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    Area of Science:

    • Computational chemistry
    • cheminformatics
    • drug discovery

    Background:

    • Virtual screening is crucial for identifying drug candidates.
    • Ligand- and structure-based methods are widely used but often applied independently.
    • Integrating these methods offers potential improvements in screening efficiency and accuracy.

    Purpose of the Study:

    • To review and categorize different strategies for combining ligand- and structure-based molecular modeling methods.
    • To discuss the application of integrated approaches in virtual screening.
    • To provide insights into the current landscape and future directions of integrated virtual screening.

    Main Methods:

    • Review of existing literature on combined ligand- and structure-based virtual screening.
    • Categorization of integration strategies into sequential, parallel, and hybrid approaches.
    • Analysis of successful case studies in prospective and retrospective virtual screening.

    Main Results:

    • Integration strategies can be sequential, parallel, or hybrid.
    • Sequential approaches are most commonly reported in published studies.
    • Successful applications of combined methods have been demonstrated in various virtual screening campaigns.

    Conclusions:

    • Combining ligand- and structure-based methods is a valuable strategy in virtual screening.
    • Sequential integration is the most prevalent approach, leveraging established single methods.
    • Further research and performance comparisons are needed to fully optimize integrated virtual screening strategies.