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Related Concept Videos

RNA Structure01:19

RNA Structure

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...
RNA Structure01:23

RNA Structure

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...
RNA Structure01:23

RNA Structure

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...
Protein Organization01:13

Protein Organization

Overview
Protein Organization01:24

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
Protein Folding01:22

Protein Folding

Overview

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iFoldRNA: three-dimensional RNA structure prediction and folding.

Shantanu Sharma1, Feng Ding, Nikolay V Dokholyan

  • 1Department of Biochemistry & Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

Bioinformatics (Oxford, England)
|June 27, 2008
PubMed
Summary

iFoldRNA predicts three-dimensional RNA structures with high accuracy using molecular dynamics simulations. This novel web tool aids researchers in analyzing RNA folding thermodynamics and predicting complex RNA structures rapidly.

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Area of Science:

  • Computational Biology
  • Structural Biology
  • Biophysics

Background:

  • Accurate three-dimensional RNA structure prediction and folding are crucial in biological research.
  • Understanding RNA folding thermodynamics aids in deciphering biological functions.
  • Existing methods may lack the speed or accuracy required for comprehensive analysis.

Purpose of the Study:

  • To introduce iFoldRNA, a novel web-based methodology for RNA structure prediction.
  • To enable analysis of RNA folding thermodynamics with near-atomic resolution accuracy.
  • To provide a rapid and reliable tool for RNA structure prediction.

Main Methods:

  • Utilizes discrete molecular dynamics simulations to explore RNA conformations.
  • Starts with simplified linear-chain conformations for RNA molecules (<50 nt).
  • Performs all-atom reconstruction of energetically stable conformations.

Main Results:

  • Achieves native-like RNA structures within 30 minutes of simulation.
  • Predicted RNA structures exhibit 2-5 Å root mean square deviations (RMSDs) from experimental structures.
  • Provides access to various RNA folding parameters like specific heat and contact maps.

Conclusions:

  • iFoldRNA offers a novel and efficient approach for RNA structure prediction.
  • The tool facilitates rapid analysis of RNA folding thermodynamics.
  • iFoldRNA is expected to be a valuable resource for the RNA research community.