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RNA Structure01:23

RNA Structure

76.6K
Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
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RNA Structure01:19

RNA Structure

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The basic structure of RNA consists of a string of ribonucleotides attached by phosphodiester bonds. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA) involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three...
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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.
DNA Structure
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DNA Base Pairing02:27

DNA Base Pairing

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DNA Base Pairing02:27

DNA Base Pairing

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Erwin Chargaff’s rules on DNA equivalence paved the way for the discovery of base pairing in DNA. Chargaff’s rules state that in a double-stranded DNA molecule,
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Base-pairing and DNA Repair02:27

Base-pairing and DNA Repair

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Related Experiment Video

Updated: Nov 10, 2025

RNA Secondary Structure Prediction Using High-throughput SHAPE
13:42

RNA Secondary Structure Prediction Using High-throughput SHAPE

Published on: May 31, 2013

31.8K

RNAStructViz: graphical base pairing analysis.

Maxie Dion Schmidt1, Anna Kirkpatrick1, Christine Heitsch1

  • 1School of Mathematics, Georgia Institute of Technology, Atlanta, GA 30332-0160, USA.

Bioinformatics (Oxford, England)
|April 6, 2021
PubMed
Summary
This summary is machine-generated.

Researchers can now visually compare RNA secondary structures with a new graphical tool. This software aids in understanding structural variations for RNA sequences.

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Molecular Biology

Background:

  • RNA secondary structure plays a crucial role in gene regulation and function.
  • Accurate prediction and visualization of RNA structures are essential for understanding RNA biology.
  • Existing tools may lack comprehensive features for comparative analysis of structural alternatives.

Purpose of the Study:

  • To introduce a novel graphical tool, RNAStructViz, for advanced RNA secondary structure analysis.
  • To enable visual comparison of multiple RNA base-pairing configurations for a single sequence.
  • To provide integrated visualization and data export functionalities for RNA researchers.

Main Methods:

  • Development of a graphical user interface (GUI) featuring a circular arc diagram layout.
  • Implementation of a tool to compare up to three base-pairing configurations simultaneously.
  • Integration of a CT-style file viewer and a radial layout substructure viewer.
  • Inclusion of a zoom selection tool for interactive exploration of linked views.
  • Addition of functionalities for numerical information computation and data/image export.

Main Results:

  • A user-friendly graphical tool for RNA secondary structure analysis has been developed.
  • The tool facilitates direct visual comparison of different RNA structural conformations.
  • Integrated viewers and export options enhance the utility for data analysis and presentation.

Conclusions:

  • RNAStructViz offers a powerful new approach for visualizing and comparing RNA secondary structures.
  • The tool assists researchers in identifying similarities and differences among structural alternatives.
  • This visualization tool is expected to advance the understanding of RNA sequence-structure relationships.