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The ITS2 Database
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StructAnalyzer - a tool for sequence versus structure similarity analysis.

Jakub Wiedemann1, Maciej Miłostan2

  • 1Institute of Computing Science, Poznan University of Technology, Poznań, Poland.

Acta Biochimica Polonica
|November 2, 2016
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Summary
This summary is machine-generated.

Discover how similar RNA and protein sequences can fold into diverse structures. StructAnalyzer tool helps explore this sequence-structure divergence, crucial for understanding molecular function.

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Area of Science:

  • Biochemistry
  • Structural Biology
  • Bioinformatics

Background:

  • Sequence similarity often correlates with tertiary structure similarity in biomolecules like RNA and proteins.
  • However, exceptions exist where similar sequences exhibit divergent structures, and vice versa.

Purpose of the Study:

  • To introduce StructAnalyzer, a novel tool for analyzing the relationship between sequence and structure similarities.
  • To investigate cases of similar sequences with significantly different tertiary structures.

Main Methods:

  • Development and application of the StructAnalyzer tool.
  • Exploration and visualization of structural diversity in relation to sequence similarity.
  • Screening of RNA structures in the Protein Data Bank (PDB) for sequence-structure variants.

Main Results:

  • StructAnalyzer facilitates the identification of molecules with high sequence similarity but distinct tertiary structures.
  • The tool enables visualization of structural variations within sets of similar sequences.
  • Demonstrated utility in screening PDB for RNA sequences exhibiting structural diversity.

Conclusions:

  • Understanding sequence-structure divergence is key to deciphering RNA and protein folding mechanisms and functions.
  • StructAnalyzer provides a valuable method for exploring and visualizing this divergence.
  • The tool aids in identifying functionally relevant structural variants within sequence-homologous biomolecules.