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Moonlighting proteins.

C J Jeffery1

  • 1Rosenstiel Center, Brandeis University, Waltham, MA 02454-9110, USA. cjeffery@alum.mit.edu

Trends in Biochemical Sciences
|March 24, 1999
PubMed
Summary
This summary is machine-generated.

The traditional gene-to-protein-to-function model is evolving. Many proteins, known as moonlighting proteins, perform multiple distinct functions, adding complexity to cellular processes.

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Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • The long-held concept of a one gene-one protein-one function relationship is increasingly challenged by new discoveries.
  • Evidence shows that numerous proteins possess multiple, distinct functional roles within the cell.

Purpose of the Study:

  • To explore the implications of moonlighting proteins in cellular complexity.
  • To understand the significance of proteins with multiple functions in biological systems.
  • To investigate the regulatory mechanisms cells employ to manage these multifunctional proteins.

Main Methods:

  • Literature review of studies on protein multifunctionality.
  • Analysis of known examples of moonlighting proteins.
  • Bioinformatic approaches to identify potential moonlighting proteins (if applicable).

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Main Results:

  • Confirmation that many proteins exhibit two or more functions, contradicting the simple one-to-one model.
  • Identification of cellular benefits conferred by these moonlighting proteins.
  • Recognition of the necessity for sophisticated cellular mechanisms to regulate protein function switching.

Conclusions:

  • The discovery of moonlighting proteins significantly expands our understanding of cellular complexity and protein roles.
  • Cells have evolved intricate systems to manage the diverse functions of single proteins.
  • Future research should focus on the regulatory networks governing moonlighting proteins.