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Related Experiment Video

Updated: Jul 5, 2026

Monitoring Equilibrium Changes in RNA Structure by 'Peroxidative' and 'Oxidative' Hydroxyl Radical Footprinting
13:41

Monitoring Equilibrium Changes in RNA Structure by 'Peroxidative' and 'Oxidative' Hydroxyl Radical Footprinting

Published on: October 17, 2011

Probing RNA structures with hydroxyl radicals.

D W Celander1

  • 1Loyola University Chicago, Chicago, Illinois, USA.

Current Protocols in Nucleic Acid Chemistry
|April 23, 2008
PubMed
Summary
This summary is machine-generated.

Iron(II)-EDTA generates hydroxyl radicals for precise RNA cleavage, aiding in the study of RNA folding dynamics and structure.

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Last Updated: Jul 5, 2026

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Structural Biology

Background:

  • RNA structure and folding are crucial for its diverse biological functions.
  • Understanding RNA folding dynamics requires precise methods for structural analysis.

Purpose of the Study:

  • To present a method utilizing hydroxyl radicals generated by Fe(II)-EDTA for nucleotide-resolution RNA cleavage.
  • To demonstrate the utility of this method for monitoring RNA folding at equilibrium.

Main Methods:

  • Hydroxyl radicals generated from solvated molecular oxygen or hydrogen peroxide.
  • Cleavage of the RNA sugar-phosphate backbone at nucleotide resolution.
  • Utilizing uniform cleavage patterns for RNA secondary structure analysis.

Main Results:

  • Fe(II)-EDTA effectively generates hydroxyl radicals for RNA cleavage.
  • Hydroxyl radicals provide uniform backbone cleavage at each nucleotide residue.
  • Tertiary RNA folding protects specific sites from cleavage, revealing structural information.

Conclusions:

  • Fe(II)-EDTA-mediated hydroxyl radical generation is a valuable tool for RNA structural probing.
  • This method allows for the monitoring of global RNA folding and tertiary interactions.