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Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions
Published on: August 2, 2015
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Nucleic acid constructs for the interrogation of multivalent protein interactions.
1Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany. oliver.seitz@chemie.hu-berlin.de.
Chemical Society Reviews
|September 2, 2020
Summary
Nucleic acid structures enable precise control over multivalent interactions, enhancing binding affinity for biological targets. This approach offers new tools for studying protein-ligand binding and controlling biological processes.
Area of Science:
- Biochemistry
- Molecular Biology
- Materials Science
Background:
- Multivalency enhances binding specificity and affinity, crucial for biological interactions where monovalent ligands have low affinity.
- Nucleic acid architectures offer programmable, rigid scaffolds for precise multivalent ligand presentation.
- Recent advances utilize nucleic acid self-assembly for controlled multivalent ligand display.
Purpose of the Study:
- To review the application of multivalent nucleic acid-ligand conjugates in interrogating biological protein receptors.
- To explore how nucleic acid constructs unravel multivalency mechanisms and create high-affinity binding agents.
- To discuss the use of nucleic acid assemblies in studying protein-ligand interactions and controlling biological signaling.
Main Methods:
- Utilizing sequence-programmed self-assembly of nucleic acid strands to create defined 3D structures.
- Controlling ligand number, distance, and spatial arrangement on nucleic acid scaffolds.
- Applying nucleic acid constructs as chemical dimerizers for protein receptors.
Main Results:
- Nucleic acid assemblies allow Ångstrom-precision control over ligand presentation for studying multivalency.
- Demonstrated ability to investigate how scaffold flexibility and ligand arrangement influence affinity gains.
- Successful application in interrogating diverse protein targets, including those recognizing carbohydrates, small molecules, peptides, and aptamers.
- Exploration of nucleic acid constructs in cell models, viruses, and whole organisms.
Conclusions:
- Nucleic acid-based multivalent ligands provide powerful tools for fundamental research in molecular recognition and binding.
- These constructs offer precise control over biological interactions, with applications ranging from in vitro studies to in vivo systems.
- The field continues to evolve, with significant potential for developing novel diagnostic and therapeutic agents.
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