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Related Experiment Videos

Disulfide bonds as switches for protein function.

Philip J Hogg1

  • 1Centre for Vascular Research, University of New South Wales, and Department of Haematology, Prince of Wales Hospital, NSW, Australia. p.hogg@unsw.edu.au

Trends in Biochemical Sciences
|April 26, 2003
PubMed
Summary
This summary is machine-generated.

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Disulfide bonds, once thought only for protein stability, are now known to actively regulate protein function. Specific catalysts cleave these bonds, controlling protein activity in cellular environments.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Evolutionary Biology

Background:

  • Disulfide bonds are traditionally viewed as static structural elements enhancing protein stability.
  • Proteins often function in dynamic cellular environments requiring robust structures.

Purpose of the Study:

  • To challenge the traditional view of disulfide bonds as solely structural.
  • To highlight the emerging evidence of disulfide bonds as dynamic regulators of protein function.

Main Methods:

  • Review of recent scientific literature.
  • Analysis of experimental data on protein function and disulfide bond cleavage.

Main Results:

  • Evidence suggests disulfide bonds are not merely structural but can be dynamically regulated.

Related Experiment Videos

  • Cleavage of specific disulfide bonds controls the function of secreted proteins and cell-surface receptors.

    • Conclusions:

    • Disulfide bond cleavage, mediated by specific catalysts, represents a novel mechanism for protein function control.
    • This dynamic regulation expands our understanding of protein function beyond structural stability.