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Related Experiment Video

Updated: Jan 20, 2026

Visualization and Quantification of Endogenous Intra-Organelle Protein Interactions at ER-Mitochondria Contact Sites by Proximity Ligation Assays
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WebFEATURE: An interactive web tool for identifying and visualizing functional sites on macromolecular structures.

Mike P Liang1, D Rey Banatao, Teri E Klein

  • 1Department of Genetics and Stanford Medical Informatics, 251 Campus Drive, Stanford University, Stanford, CA 94305, USA.

Nucleic Acids Research
|June 26, 2003
PubMed
Summary
This summary is machine-generated.

WebFEATURE is a web tool for analyzing protein and nucleic acid structures to find functional sites using 3D physicochemical motifs. It aids in rapid functional annotation for structural genomics projects.

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Related Experiment Videos

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Area of Science:

  • Structural bioinformatics
  • Computational biology
  • Biochemistry

Background:

  • Identifying functional sites in molecular structures is crucial for understanding biological processes.
  • Existing methods may lack efficiency or accessibility for rapid analysis.
  • The FEATURE package provides a supervised learning algorithm for motif identification.

Purpose of the Study:

  • To present WebFEATURE, a web-accessible tool for scanning molecular structures for functional sites.
  • To enable users to identify 3D, physicochemical motifs within protein and nucleic acid structures.
  • To facilitate rapid functional annotation in structural genomics.

Main Methods:

  • WebFEATURE utilizes the FEATURE package's scanning algorithm.
  • Users input a structure (or PDB ID) and a functional site model.
  • The tool identifies and rank-scores 'hits' based on physicochemical property distributions.

Main Results:

  • WebFEATURE returns rank-scored hits, highlighting potential functional regions.
  • Results can be visualized interactively in web browsers (Chime plug-in).
  • Outputs are downloadable for visualization in external tools like RasMol, PyMOL, and Chimera.

Conclusions:

  • WebFEATURE provides an efficient, web-based solution for structural analysis and functional site identification.
  • The tool supports rapid annotation of newly determined structures.
  • It integrates a powerful scanning algorithm with user-friendly visualization options.