Abstract
Mass spectrometry (MS) allows for the large-scale identification of multiple peptide analytes in complex mixtures. However, the low abundance of acetylated peptides in the overall mixture requires an enrichment step. After enrichment, the resulting acetylated peptides of interest can be quantitated using selected reaction monitoring (SRM)-MS with stable isotope dilution. Here, we describe the enrichment of lysine acetylated peptides from typsin digested mouse liver mitochondria, and the targeted quantitation of a known lysine acetylation site in succinate dehydrogenase A using SRM-MS on a triple quadrupole instrument.
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Acknowledgments
This work was supported by NIH grant R24 DK085610 (B.W.G.) and the NCRR shared instrumentation grant S10 RR027953 (B.W.G.) for the 5500 QTRAP system.
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Rardin, M.J., Held, J.M., Gibson, B.W. (2013). Targeted Quantitation of Acetylated Lysine Peptides by Selected Reaction Monitoring Mass Spectrometry. In: Hirschey, M. (eds) Sirtuins. Methods in Molecular Biology, vol 1077. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-637-5_8
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DOI: https://doi.org/10.1007/978-1-62703-637-5_8
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