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Related Concept Videos

Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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...
Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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...
Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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...
Cooperative Binding of Transcription Regulators02:13

Cooperative Binding of Transcription Regulators

Transcriptional regulators bind to specific cis-regulatory sequences in the DNA to regulate gene transcription. These cis-regulatory sequences are very short, usually less than ten nucleotide pairs in length. The short length means that there is a high probability of the exact same sequence randomly occurring throughout the genome.  Since regulators can also bind to groups of similar sequences, this further increases the chances of random binding. Transcriptional regulators form dimers that...
Cooperative Binding of Transcription Regulators02:13

Cooperative Binding of Transcription Regulators

Transcriptional regulators bind to specific cis-regulatory sequences in the DNA to regulate gene transcription. These cis-regulatory sequences are very short, usually less than ten nucleotide pairs in length. The short length means that there is a high probability of the exact same sequence randomly occurring throughout the genome.  Since regulators can also bind to groups of similar sequences, this further increases the chances of random binding. Transcriptional regulators form dimers that...
Noncovalent Attractions in Biomolecules02:35

Noncovalent Attractions in Biomolecules

Noncovalent attractions are associations within and between molecules that influence the shape and structural stability of complexes. These interactions differ from covalent bonding in that they do not involve sharing of electrons.
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...

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Pulldown Assay Coupled with Co-Expression in Bacteria Cells as a Time-Efficient Tool for Testing Challenging Protein-Protein Interactions
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Cooperativity and biological complexity.

Adrian Whitty1

  • 1Department of Chemistry, Boston University, Metcalf Center for Science and Engineering, 590 Commonwealth Avenue, Boston, Massachusetts 02215-2521, USA. whitty@bu.edu

Nature Chemical Biology
|July 22, 2008
PubMed
Summary
This summary is machine-generated.

Cooperative binding, a fundamental biological principle, influences systems from molecular to organismal levels. Understanding its diverse roles is crucial for biology and drug discovery, with many aspects still needing further research.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Cooperative binding is a widespread phenomenon in biological systems.
  • This interaction, governed by basic principles, manifests diversely across different biological contexts.
  • Its understanding is critical in both fundamental biological research and applied drug discovery.

Purpose of the Study:

  • To explore the various manifestations of cooperative binding in biology.
  • To highlight the significance of cooperativity in drug discovery.
  • To identify areas of cooperative binding that require further investigation.

Main Methods:

  • Review of existing literature on cooperative binding.
  • Analysis of cooperative binding across different biological system complexities.
  • Discussion of implications for drug discovery and future research directions.

Main Results:

  • Cooperative binding exhibits distinct forms depending on the biological system.
  • The phenomenon plays a significant role in biological regulation and function.
  • Several key aspects of cooperativity remain poorly understood, indicating avenues for future research.

Conclusions:

  • Cooperative binding is a versatile mechanism with broad biological implications.
  • Further research into cooperative binding is essential for advancing drug discovery and biological understanding.
  • Addressing the knowledge gaps in cooperativity can unlock new therapeutic strategies.