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Related Concept Videos

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...
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...
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...
Ligand Binding and Linkage00:49

Ligand Binding and Linkage

Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked.  In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence the...
Peptide Bonds02:43

Peptide Bonds

A peptide bond covalently attaches amino acids through a dehydration reaction. One amino acid's carboxyl group and another amino acid's amino group combine, releasing a water molecule. The resulting bond is the peptide bond. The products that such linkages form are peptides. As more amino acids join this growing chain, the resulting chain is a polypeptide. Each polypeptide has a free amino group at one end. This end has the N-terminal, or the amino-terminal, and the other end has a free...

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Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library
13:37

Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library

Published on: June 20, 2014

Peptides as protein binding site mimetics.

Jutta Eichler1

  • 1Department Medicinal Chemistry, University of Erlangen-Nuremberg, Schuhstrasse 19, 91052 Erlangen, Germany. jutta.eichler@medchem.unierlangen.de

Current Opinion in Chemical Biology
|October 22, 2008
PubMed
Summary
This summary is machine-generated.

Designing molecules that mimic protein binding sites, particularly peptides, offers a powerful approach to understanding protein function and developing new therapies. These proteinmimetics can modulate protein activity by interfering with critical binding interactions.

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Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library
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Published on: June 20, 2014

Peptide-based Identification of Functional Motifs and their Binding Partners
14:28

Peptide-based Identification of Functional Motifs and their Binding Partners

Published on: June 30, 2013

Computational Prediction of Amino Acid Preferences of Potentially Multispecific Peptide-Binding Domains Involved in Protein-Protein Interactions
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Computational Prediction of Amino Acid Preferences of Potentially Multispecific Peptide-Binding Domains Involved in Protein-Protein Interactions

Published on: January 26, 2024

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Drug Discovery

Background:

  • Mimicking protein binding sites is crucial for understanding protein function and developing novel therapeutic strategies.
  • Proteinmimetics offer a way to modulate protein activity by interfering with binding events.
  • Peptides are suitable candidates for protein mimicry due to their structural similarity and ease of synthesis.

Purpose of the Study:

  • To explore the potential of rational/structure-based design and combinatorial development of proteinmimetics.
  • To investigate the use of proteinmimetics for modulating protein function and understanding protein structure.
  • To highlight the application of proteinmimetics in inhibiting disease-associated protein-ligand interactions.

Main Methods:

  • Rational and structure-based design of molecules.
  • Combinatorial development of molecular libraries.
  • Utilizing peptides for structural and functional mimicry of protein binding sites.
  • Chemical or recombinant synthesis of peptides.

Main Results:

  • Proteinmimetics can structurally and functionally mimic protein binding sites.
  • Peptides are effective in mimicking protein binding sites and inhibiting protein-protein interactions.
  • Proteinmimetics show promise for biomedical applications, including disease-associated interaction inhibition.

Conclusions:

  • Peptide-based proteinmimetics are valuable tools for studying protein structure and function.
  • These molecules can be engineered to modulate protein activity and interfere with disease pathways.
  • Protein mimicry represents a promising strategy for therapeutic intervention in various diseases.