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Related Experiment Videos

Clathrin-binding proteins: got a motif? Join the network!

E C Dell'Angelica1

  • 1Dept of Human Genetics, University of California at Los Angeles (UCLA) School of Medicine, Gonda Center, Room 6357B, Los Angeles, CA 90095-7088, USA. edellangelica@mednet.ucla.edu

Trends in Cell Biology
|August 8, 2001
PubMed
Summary
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Clathrin, a protein scaffold, is crucial for vesicle formation in cells. This review explores clathrin-binding proteins and their simple interaction motifs, highlighting their importance in cellular trafficking and events.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Clathrin is essential for membrane and protein trafficking via endocytic and secretory pathways.
  • It acts as a molecular scaffold, driving the formation of transport vesicles.
  • Clathrin's function necessitates interactions with diverse proteins.

Purpose of the Study:

  • To discuss various types of clathrin-binding proteins and their interaction motifs.
  • To explore the physiological significance of these interactions in clathrin-dependent cellular events.

Main Methods:

  • Literature review of recent studies on clathrin-binding proteins and motifs.
  • Analysis of the structural and functional properties of interacting proteins.
  • Discussion of the physiological relevance of clathrin-mediated events.

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Main Results:

  • Most clathrin-binding proteins interact via simple, linear motifs.
  • These motifs are characterized by arrangements of acidic and hydrophobic amino acid residues.
  • Identified diverse clathrin-binding proteins and their distinct functional roles.

Conclusions:

  • Clathrin-dependent trafficking relies on specific protein-protein interactions mediated by simple motifs.
  • Understanding these motifs is key to elucidating the mechanisms of vesicle formation and cellular transport.
  • These findings underscore the elegant simplicity of molecular interactions in fundamental cellular processes.