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Related Experiment Videos

Family C 7TM receptor dimerization and activation.

Marie Mi Bonde1, Søren P Sheikh, Jakob Lerche Hansen

  • 1Laboratory of Molecular and Cellular Cardiology, Danish Arrhythmia Research Centre (DARC), Copenhagen University Hospital section 9312, Denmark.

Endocrine, Metabolic & Immune Disorders Drug Targets
|April 14, 2006
PubMed
Summary

Family C seven transmembrane (7TM) receptors form dimers crucial for their function. This review details dimerization

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Family C seven transmembrane (7TM) receptors are a well-characterized subfamily of 7TM receptors.
  • These receptors are a major class of drug targets, with ~50% of current drugs targeting them.

Purpose of the Study:

  • To review the biochemical evidence supporting dimerization of Family C 7TM receptors.
  • To discuss the significance of dimerization in receptor biosynthesis, surface expression, ligand binding, and activation.

Main Methods:

  • Literature review of biochemical studies on Family C 7TM receptors.
  • Analysis of existing structural data, including crystallized extracellular domains (ECD).

Main Results:

  • Family C 7TM receptors form homo- or hetero-dimers on cell surfaces.

Related Experiment Videos

  • Dimeric ECD undergoes conformational changes upon agonist binding, leading to activation.
  • Dimerization is essential for proper receptor biosynthesis, surface expression, and activation.

    • Conclusions:

    • Dimerization is a fundamental property of Family C 7TM receptors, critical for their function.
    • Understanding dimerization mechanisms provides insights applicable to the broader 7TM receptor superfamily.
    • Further research is needed to define the complete receptor dimer organization and activation sequence.