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RNA Structure01:23

RNA Structure

79.8K
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...
79.8K
RNA Structure01:19

RNA Structure

8.0K
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...
8.0K
Nucleic Acid Structure01:25

Nucleic Acid Structure

9.8K
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
DNA...
9.8K
Nucleic Acids02:43

Nucleic Acids

51.4K
Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
51.4K
Nucleic acids02:43

Nucleic acids

196.0K
Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
196.0K
RNA Interference01:23

RNA Interference

28.4K
RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
28.4K

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関連する実験動画

Updated: Mar 9, 2026

Probing RNA Structure with Dimethyl Sulfate Mutational Profiling with Sequencing In Vitro and in Cells
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Probing RNA Structure with Dimethyl Sulfate Mutational Profiling with Sequencing In Vitro and in Cells

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RNA構造を分類するための小分子ベースのパターン認識

Christopher S Eubanks1, Jordan E Forte1, Gary J Kapral1

  • 1Department of Chemistry, Duke University , Durham, North Carolina 27708, United States.

Journal of the American Chemical Society
|December 23, 2016
PubMed
まとめ
この要約は機械生成です。

アミノグリコシドは,結合パターンを分析することによってRNA構造を分類することができます. この方法はRNAの二次構造を正確に予測し,分子認識の重要な要因を明らかにします.

さらに関連する動画

RNA Secondary Structure Prediction Using High-throughput SHAPE
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RNA Secondary Structure Prediction Using High-throughput SHAPE

Published on: May 31, 2013

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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions

Published on: September 28, 2017

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関連する実験動画

Last Updated: Mar 9, 2026

Probing RNA Structure with Dimethyl Sulfate Mutational Profiling with Sequencing In Vitro and in Cells
10:34

Probing RNA Structure with Dimethyl Sulfate Mutational Profiling with Sequencing In Vitro and in Cells

Published on: December 9, 2022

5.4K
RNA Secondary Structure Prediction Using High-throughput SHAPE
13:42

RNA Secondary Structure Prediction Using High-throughput SHAPE

Published on: May 31, 2013

32.4K
Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
10:52

Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions

Published on: September 28, 2017

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科学分野:

  • 生物化学
  • 構造生物学
  • 分子生物学

背景:

  • 3次元のRNA構造を決定することは 難しいことです
  • RNA二次構造の構成における役割の理解は限られている.
  • 小分子:RNAの認識に関する指針は十分に確立されていません.

研究 の 目的:

  • RNAの二次構造モチーフを分類する方法を開発する.
  • RNA分類のための手段としてアミノグリコシド結合を調査する.
  • 小分子:RNAの認識を制御する要因を特定する.

主な方法:

  • 主要成分分析 (PCA) を利用して,5つのカノニカルRNA二次構造モチーフを分類した.
  • アミノグリコシドを受容体として使用し,ベンゾフランリウリジンラベルのRNAを分析物質として使用する.
  • 予測能力を高めるために,徹底的にグアニジニル化されたアミノグリコシドを添加した.

主要な成果:

  • RNA訓練セットで100%の予測能力を達成した.
  • HIV-1 TAR RNAを含む生物学的に関連した構造を用いた検証されたPCA.
  • 二次構造モチーフの特定された核酸特異的分類
  • アミノグリコシド:RNAの認識の傾向が明らかになり,形状,サイズ,配列の区別が強調された.

結論:

  • 分子認識に基づいてRNA構造を分類するための新しいアプローチを開発した.
  • RNAトポロジーは配列と共に 分子認識に不可欠であることを示した.
  • 薬剤発見とRNAターゲティングのためのアミノグリコシド:RNA相互作用に関する洞察を提供した.