The development of selected reaction monitoring methods for targeted proteomics via empirical refinement.
The development of selected reaction monitoring methods for targeted proteomics via empirical refinement.
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DOI:
10.1002/pmic.201200042
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发表时间:
2012-04
期刊:
影响因子:
3.4
通讯作者:
MacCoss, Michael J.
中科院分区:
文献类型:
--
作者:
Bereman, Michael S.;MacLean, Brendan;Tomazela, Daniela M.;Liebler, Daniel C.;MacCoss, Michael J.
Software advancements in the last several years have had a significant impact on proteomics from method development to data analysis. Herein we detail a method, which uses our in-house developed software tool termed Skyline, for empirical refinement of candidate peptides from targeted proteins. The method consists of 4 main steps from generation of a testable hypothesis, method development, peptide refinement, to peptide validation. The ultimate goal is to identify the best performing peptide in terms of ionization efficiency, reproducibility, specificity, and chromatographic characteristics to monitor as a proxy for protein abundance. It is important to emphasize that this method allows the user to perform this refinement procedure in the sample matrix and organism of interest with the instrumentation available. Finally, the method is demonstrated in a case study to determine the best peptide to monitor the abundance of surfactant protein B in lung aspirates.
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