Cited by 147Advanced Proteomics Techniques and ApplicationsMass Spectrometry Techniques and ApplicationsMetabolomics and Mass Spectrometry Studies

Expediting the Development of Targeted SRM Assays: Using Data from Shotgun Proteomics to Automate Method Development

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Prakash, Amol, Tomazela, Daniela M., Frewen, Barbara, MacLean, Brendan, Merrihew, Gennifer, Peterman, Scott, MacCoss, Michael J.·2009·Journal of Proteome Research

Abstract

Selected reaction monitoring (SRM) is a powerful tandem mass spectrometry method that can be used to monitor target peptides within a complex protein digest. The specificity and sensitivity of the approach, as well as its capability to multiplex the measurement of many analytes in parallel, has made it a technology of particular promise for hypothesis driven proteomics. An underappreciated step in the development of an assay to measure many peptides in parallel is the time and effort necessary to establish a usable assay. Here we report the use of shotgun proteomics data to expedite the selection of SRM transitions for target peptides of interest. The use of tandem mass spectrometry data acquired on an LTQ ion trap mass spectrometer can accurately predict which fragment ions will produce the greatest signal in an SRM assay using a triple quadrupole mass spectrometer. Furthermore, we present a scoring routine that can compare the targeted SRM chromatogram data with an MS/MS spectrum acquired by data-dependent acquisition and stored in a library. This scoring routine is invaluable in determining which signal in the chromatogram from a complex mixture best represents the target peptide. These algorithmic developments have been implemented in a software package that is available from the authors upon request.

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Authors
Prakash, A., Tomazela, D. M., Frewen, B., MacLean, B., Merrihew, G., Peterman, S., & MacCoss, M. J.
Affiliations
University of Washington (US)
Corresponding author
  • Peterman, Scott
  • MacCoss, Michael J.
Venue
Journal of Proteome Research
Published
2009-04-30
Volume
8
Issue
6
Pages
2733-2739
ISSN
  • 1535-3893 (ISSN-L)
  • 1535-3907
OpenAlex
W2126869418
Cited by
147
References
24
Citations by year
2026: 4 · 2025: 2 · 2024: 1 · 2023: 2 · 2021: 2 · 2020: 3 · 2019: 2 · 2018: 4 · 2017: 3 · 2016: 13 · 2015: 9 · 2014: 9 · 2013: 15 · 2012: 30
FWCI
11.01
Type
journal article
Language
en
Open access
Locations
  • Journal of Proteome Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Cancer Institute (U24CA126479)
  • National Institute of General Medical Sciences (P41GM103533)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK069386)
  • National Center for Research Resources (P41RR011823)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
Keywords
multiple reaction monitoring, shotgun proteomics, triple quadrupole, data-dependent acquisition, targeted quantification
MeSH terms
Algorithms, Animals, Data Interpretation, Statistical, Peptide Fragments, Software, Mass Spectrometry, Peptide Library, Caenorhabditis elegans Proteins, Escherichia coli Proteins, Databases, Protein, Proteomics

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