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Related Experiment Videos

The PUA domain - a structural and functional overview.

Isabel Pérez-Arellano1, José Gallego, Javier Cervera

  • 1Molecular Recognition Laboratory, Centro de Investigación Príncipe Felipe, Valencia, Spain.

The FEBS Journal
|September 7, 2007
PubMed
Summary
This summary is machine-generated.

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The pseudouridine synthase and archaeosine transglycosylase (PUA) domain is a conserved RNA-binding motif found in various proteins. Its role in RNA modification and human diseases like cancer highlights its biological significance.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Structural Biology

Background:

  • The pseudouridine synthase and archaeosine transglycosylase (PUA) domain is a conserved RNA-binding motif present across all three domains of life.
  • Its well-defined 3D structure and RNA recognition surface are known, yet binding versatility exists.

Purpose of the Study:

  • To explore the structural and functional significance of the PUA domain.
  • To investigate its presence in diverse protein types, including those involved in RNA modification and proline biosynthesis.
  • To understand the PUA domain's role in human diseases.

Main Methods:

  • Structural analysis of PUA-RNA complexes.
  • Bioinformatic analysis of PUA domain distribution in proteins.
  • Functional studies of proteins containing PUA domains.

Related Experiment Videos

Main Results:

  • The PUA domain exhibits a common RNA recognition surface with some binding variability.
  • It is found in RNA modification enzymes, ribonucleoproteins, and unexpectedly, proline biosynthesis enzymes.
  • The functional impact of PUA domains varies significantly across different proteins.

Conclusions:

  • The PUA domain is a versatile RNA-binding motif with diverse biological roles.
  • Its involvement in RNA metabolism links it to human diseases such as dyskeratosis congenita and cancer.