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Tandem affinity purification and identification of protein complex components
Kathleen L Gould1, Liping Ren, Anna S Feoktistova
1Howard Hughes Medical Institute and Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA. kathy.gould@vanderbilt.edu
Methods (San Diego, Calif.)
|May 26, 2004
Summary
Researchers used tandem affinity purification (TAP) and mass spectrometry to map protein complexes in the fission yeast Schizosaccharomyces pombe. This method aids in understanding cellular organization and protein functions.
Area of Science:
- * Molecular and Cellular Biology
- * Genomics and Proteomics
Background:
- * The completion of the Schizosaccharomyces pombe genome sequence enables new investigations into eukaryotic cellular organization.
- * Functional genomics approaches are crucial for understanding cellular processes.
Purpose of the Study:
- * To describe the tandem affinity purification (TAP) approach combined with mass spectrometry for identifying protein complexes in S. pombe.
- * To demonstrate the utility of TAP-mass spectrometry for functional proteome analysis.
Main Methods:
- * Tandem Affinity Purification (TAP) coupled with mass spectrometry (MS).
- * Application of the TAP approach to Schizosaccharomyces pombe.
Main Results:
- * Identification of protein complex components in S. pombe.
- * Establishment of a method applicable to the entire proteome.
Conclusions:
- * The TAP-mass spectrometry approach is effective for mapping protein complexes in S. pombe.
- * This method provides insights into functional protein assemblies and uncharacterized protein functions.