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Related Experiment Videos

Multifunctional proteins: examples of gene sharing.

Constance J Jeffery1

  • 1Laboratory for Molecular Biology, Department of Biological Sciences, University of Illinois, Chicago, Illinois 60607, USA. cjeffery@uic.edu

Annals of Medicine
|April 16, 2003
PubMed
Summary

Single proteins performing multiple functions, known as moonlighting proteins, complicate disease research. This review explores their roles in cancer and other diseases, impacting drug design.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Genomics

Background:

  • Interpreting the human genome and annotating protein databases is challenging.
  • Proteins performing multiple, unrelated functions ('moonlighting') add complexity.
  • Understanding these proteins is crucial for disease research.

Purpose of the Study:

  • To review examples of moonlighting proteins in disease-related cellular activities and pathways.
  • To discuss the mechanisms by which proteins switch between functions.
  • To highlight the implications of moonlighting proteins for understanding disease and drug design.

Main Methods:

  • Literature review of scientific articles on moonlighting proteins.
  • Analysis of documented cases of protein moonlightin.
  • Synthesis of information on functional switching mechanisms.

Main Results:

  • Identified diverse moonlighting proteins involved in critical cellular functions and disease pathways.
  • Observed various mechanisms enabling proteins to switch between functions.
  • Highlighted both beneficial roles (e.g., coordinating cellular activities) and challenges posed by moonlighting proteins.

Conclusions:

  • Moonlighting proteins play significant roles in cellular activities and disease pathogenesis.
  • The multi-functional nature of these proteins complicates molecular mechanism determination.
  • Understanding protein moonlightin is essential for advancing rational drug design strategies.

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