Tandem Affinity Purification and Identification of GPCR-Associated Protein Complexes

  • Avais M. Daulat
  • Pascal Maurice
  • Ralf JockersEmail author
Part of the Methods in Molecular Biology book series (MIMB, volume 746)


The first tandem affinity purification (TAP) protocol was described in 1999. Originally designed for the purification of protein complexes in yeast RNA splicing, its application rapidly expanded towards whole proteome analysis in yeast and mammalian cells. More recently, TAP has been applied to the purification of G protein-coupled receptor (GPCR)-associated protein complexes (GAPCs). This approach is particularly attractive for GPCRs, as the native, seven transmembrane structure is used as bait to purify GAPCs from mammalian cells expressing receptors at physiological levels. Here, a detailed protocol of the TAP method applied to GPCRs is presented.

Key words

G protein-coupled receptor Tandem affinity purification Protein complexes Proteomics 



We thank Dr. Luc Camoin for help in establishing proteomics procedures in our laboratory and Patty Chen for help in preparing the manuscript. AMD held an EGID fellowship.


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Institut CochinUniversité Paris Descartes, INSERMParisFrance

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