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Related Concept Videos

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.
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RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
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Nucleic Acid Structure01:25

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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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Analyzing and Building Nucleic Acid Structures with 3DNA
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RNAhugs web server for customized 3D RNA structure alignment.

Michal Zurkowski1, Mateusz Swiercz1, Filip Wozny1

  • 1Institute of Computing Science and European Centre for Bioinformatics and Genomics, Poznan University of Technology, Piotrowo 2, 60-965 Poznan, Poland.

Nucleic Acids Research
|April 8, 2024
PubMed
Summary
This summary is machine-generated.

RNAhugs is a new web server for aligning 3D RNA structures. It efficiently finds the longest matching fragments between structures with user-defined accuracy, aiding structural analysis.

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Area of Science:

  • Structural bioinformatics
  • Computational biology
  • RNA structure analysis

Background:

  • 3D molecular structure alignment is crucial for assessing structural similarity.
  • Existing alignment algorithms are computationally intensive, especially for large datasets.
  • Analyzing RNA 3D structures requires specialized and efficient alignment tools.

Purpose of the Study:

  • To introduce RNAhugs, a novel web server for flexible 3D RNA structure alignment.
  • To provide a user-friendly platform for analyzing structural similarities and substructures in RNA.
  • To develop an efficient tool that overcomes the computational limitations of traditional alignment methods.

Main Methods:

  • RNAhugs utilizes two efficient heuristics, GEOS and GENS, for structure alignment.
  • The server accepts RNA structures in PDB or PDBx/mmCIF formats.
  • It aligns 3D RNA structures based on user-specified root-mean-square deviation (RMSD) cutoffs.

Main Results:

  • RNAhugs identifies the longest corresponding fragments between 3D RNA structures.
  • The server can process multi-model files and perform multiple alignments (1-25) in a single task.
  • It offers flexible alignment with user-defined accuracy parameters.

Conclusions:

  • RNAhugs provides an efficient and flexible solution for 3D RNA structure alignment.
  • The web server simplifies the analysis of structural similarity and substructures in RNA molecules.
  • RNAhugs is publicly available, offering an accessible tool for the scientific community.