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Related Concept Videos

Nucleic Acid Structure01:25

Nucleic Acid Structure

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The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
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Determination of the Gas-phase Acidities of Oligopeptides
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Nucleic acid ion structures in the gas phase.

Josephine Abi-Ghanem1, Valérie Gabelica

  • 1CNRS, UMS 3033, IECB, F-33600 Pessac, France.

Physical Chemistry Chemical Physics : PCCP
|September 10, 2014
PubMed
Summary
This summary is machine-generated.

This review explores how nucleic acid structures, vital for life, are maintained in the gas phase for mass spectrometry analysis. Understanding this preservation is key to correlating gas-phase data with their native solution structures.

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Area of Science:

  • Biochemistry
  • Structural Biology
  • Analytical Chemistry

Background:

  • Nucleic acids are essential polymeric biomolecules with critical 3D structures in solution.
  • Mass spectrometry enables structural analysis of nucleic acids in the gas phase.
  • Bridging gas-phase and solution structures requires understanding structural preservation during transfer.

Purpose of the Study:

  • To review methods for characterizing nucleic acid structures in the gas phase.
  • To summarize structural features of nucleic acids retained in the gas phase.
  • To correlate gas-phase structural data with solution-state conformations.

Main Methods:

  • Review of experimental techniques for gas-phase nucleic acid structure determination.
  • Summary of theoretical approaches for gas-phase structural analysis.
  • Focus on oligonucleotides and higher-order nucleic acid structures.

Main Results:

  • Identified experimental and theoretical approaches for gas-phase nucleic acid structure characterization.
  • Summarized key structural features of nucleic acids preserved in the gas phase.
  • Highlighted the importance of understanding structural transitions from solution to gas phase.

Conclusions:

  • Gas-phase mass spectrometry offers insights into nucleic acid structures.
  • Structural features of nucleic acids can be maintained in the gas phase.
  • Further research is needed to fully correlate gas-phase and solution structures.