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Protein domains are small structurally independent units that are part of a single amino acid chain.  Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
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DEP domains: structurally similar but functionally different.

Sarah V Consonni1, Madelon M Maurice2, Johannes L Bos1

  • 1Molecular Cancer Research and Cancer Genomics Netherlands, Center for Molecular Medicine, University Medical Center Utrecht, Universiteitsweg 100, 3584 CG Utrecht, Utrecht, The Netherlands.

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|April 18, 2014
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Summary
This summary is machine-generated.

The Dishevelled, EGL-10 and pleckstrin (DEP) domain is a key protein structure involved in signal transduction. DEP domains regulate cellular processes by recruiting proteins to the plasma membrane.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • The Dishevelled, EGL-10 and pleckstrin (DEP) domain is a conserved globular protein module.
  • It is found in approximately ten human protein families, exhibiting distinct structural characteristics.

Purpose of the Study:

  • To elucidate the functional role of DEP domains in cellular signaling.
  • To understand how DEP domains contribute to the spatial and temporal regulation of signal transduction pathways.

Main Methods:

  • Structural analysis of DEP domains.
  • Investigation of protein-protein and protein-lipid interactions at the plasma membrane.
  • Studies on the regulatory mechanisms governing DEP domain binding.

Main Results:

  • DEP domains play a crucial role in controlling signal transduction events.
  • These domains facilitate the recruitment of proteins to the plasma membrane.
  • DEP domains interact with various membrane components, including phospholipids and receptors, in a regulated manner.

Conclusions:

  • DEP domains are critical regulators of signal transduction.
  • Their ability to interact with membrane components underlies their function in spatial and temporal control of cellular events.