StralSV: assessment of sequence variability within similar 3D structures and application to polio RNA-dependent RNA polymerase
2011

StralSV: A New Algorithm for Analyzing Protein Structure Variability

publication Evidence: high

Author Information

Author(s): Zemla Adam T, Lang Dorothy M, Kostova Tanya, Andino Raul, Ecale Zhou Carol L

Primary Institution: Lawrence Livermore National Laboratory

Hypothesis

Can we develop an algorithm to identify structurally relevant residue correspondences in protein structures?

Conclusion

StralSV effectively identifies and aligns structure fragments, quantifying residue variability and highlighting functionally important residues.

Supporting Evidence

  • StralSV can identify unique regions in proteins and those that share structural similarities with distantly related proteins.
  • The algorithm quantifies residue frequencies to infer potential structural or functional importance.
  • StralSV is available as a web service for broader accessibility.

Takeaway

StralSV is a tool that helps scientists understand how similar proteins are by looking at their shapes and the important parts of their structures.

Methodology

The StralSV algorithm uses a sliding-window approach to identify similar structural motifs and quantifies sequence variability among aligned residues.

Limitations

The algorithm's accuracy may depend on the quality of the input structural models and the chosen parameters for alignment.

Digital Object Identifier (DOI)

10.1186/1471-2105-12-226

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