Bioorthogonal click chemistry to assay mu-opioid receptor palmitoylation using 15-hexadecynoic acid and immunoprecipitation

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Abstract

We have developed a modification of bioorthogonal click chemistry to assay the palmitoylation of cellular proteins. This assay uses 15-hexadecynoic acid (15-HDYA) as a chemical probe in combination with protein immunoprecipitation using magnetic beads in order to detect S-palmitoylation of proteins of interest. Here we demonstrate the utility of this approach for the mu-opioid receptor (MOR), a G-protein-coupled receptor (GPCR) responsible for mediating the analgesic and addictive properties of most clinically relevant opioid agonist drugs. This technique provides a rapid, non-isotopic, and efficient method to assay the palmitoylation status of a variety of cellular proteins, including most GPCRs.

Original languageEnglish (US)
Pages (from-to)25-27
Number of pages3
JournalAnalytical Biochemistry
Volume451
Issue number1
DOIs
StatePublished - Apr 15 2014

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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