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Related Concept Videos

Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
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Structure-Activity Relationships and Drug Design01:28

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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.
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Allosteric Regulation01:08

Allosteric Regulation

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Allosteric regulation of enzymes occurs when the binding of an effector molecule to a site that is different from the active site causes a change in the enzymatic activity. This alternate site is called an allosteric site, and an enzyme can contain more than one of these sites. Allosteric regulation can either be positive or negative, resulting in an increase or decrease in enzyme activity. Most enzymes that display allosteric regulation are metabolic enzymes involved in the degradation or...
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Allosteric Proteins-ATCase01:19

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Binding sites linkages can regulate a protein's function.  For example, enzyme activity is often regulated through a feedback mechanism where the end product of the biochemical process serves as an inhibitor.
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Allosteric Modulator Discovery: From Serendipity to Structure-Based Design.

Shaoyong Lu1,2, Xinheng He1, Duan Ni1

  • 1Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Clinical and Fundamental Research Center, Renji Hospital , Shanghai Jiao-Tong University School of Medicine , Shanghai 200025 , China.

Journal of Medicinal Chemistry
|March 1, 2019
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Summary
This summary is machine-generated.

Discovering allosteric modulators, which offer pharmacological advantages over orthosteric ligands, is now feasible. Integrated computational and experimental approaches guide structure-based discovery, overcoming traditional serendipitous methods.

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A Kinetic Fluorescence-based Ca2+ Mobilization Assay to Identify G Protein-coupled Receptor Agonists, Antagonists, and Allosteric Modulators

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Area of Science:

  • Pharmacology and Drug Discovery
  • Computational Chemistry
  • Structural Biology

Background:

  • Allosteric modulators offer superior pharmacological advantages compared to orthosteric ligands.
  • Historically, allosteric modulator discovery has relied on serendipity due to the complexity of allosteric modulation.
  • Advances in understanding allosteric mechanisms and structural data availability have enabled computational approaches.

Purpose of the Study:

  • To outline the evolution of the allosteric concept.
  • To describe advantages and challenges in allosteric modulator discovery.
  • To highlight integrated computational and experimental strategies for structure-based allosteric modulator discovery.

Main Methods:

  • Review of the evolution of allosteric concepts.
  • Analysis of current computational approaches for drug discovery.
  • Integration of experimental techniques with computational modeling.
  • Case studies of successful combined applications.

Main Results:

  • Structure-based discovery of allosteric modulators is increasingly feasible.
  • Computational methods, guided by structural data, accelerate the identification of allosteric modulators.
  • Integrated approaches combining computational and experimental methods yield successful outcomes.

Conclusions:

  • The traditional serendipitous discovery of allosteric modulators is being replaced by rational, structure-based approaches.
  • An integrated computational and experimental paradigm significantly enhances the feasibility of discovering novel allosteric modulators.
  • This perspective aims to raise awareness of the potential of structure-based allosteric modulator discovery.