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The FLAG peptide, a versatile fusion tag for the purification of recombinant proteins

A Einhauer1, A Jungbauer

  • 1Institute for Applied Microbiology, University of Agriculture and Forestry, Muthgasse 18, 1190 Vienna, Austria. a.einhauer@iam.boku.ac.at

Journal of Biochemical and Biophysical Methods
|November 6, 2001
PubMed

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Tagging and Fusion Proteins

Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...