Cited by 4,683Advanced Proteomics Techniques and ApplicationsMass Spectrometry Techniques and ApplicationsRedox biology and oxidative stress

Quantitative analysis of complex protein mixtures using isotope-coded affinity tags

Gygi, Steven P., Rist, Beate, Gerber, Scott A., Turecek, Frantisek, Gelb, Michael H., Aebersold, Ruedi·1999·Nature Biotechnology

Abstract

We describe an approach for the accurate quantification and concurrent sequence identification of the individual proteins within complex mixtures. The method is based on a class of new chemical reagents termed isotope-coded affinity tags (ICATs) and tandem mass spectrometry. Using this strategy, we compared protein expression in the yeast Saccharomyces cerevisiae, using either ethanol or galactose as a carbon source. The measured differences in protein expression correlated with known yeast metabolic function under glucose-repressed conditions. The method is redundant if multiple cysteinyl residues are present, and the relative quantification is highly accurate because it is based on stable isotope dilution techniques. The ICAT approach should provide a widely applicable means to compare quantitatively global protein expression in cells and tissues.

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Crossref · 10.1038/13690

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Research works printed but not linked: 1

  1. Johnston, M. & Carlson, M. in The molecular and cellular biology of the yeast Saccharomyces. (eds Jones, E.W., Pringle, J.R. & Broach, J.R.) 193–281 (Cold Spring Harbor Press, New York City; 1992).

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Authors
Gygi, S. P., Rist, B., Gerber, S. A., Turecek, F., Gelb, M. H., & Aebersold, R.
Affiliations
University of Washington (US)
Corresponding author
Aebersold, Ruedi
Venue
Nature Biotechnology
Published
1999-10
Volume
17
Issue
10
Pages
994-999
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2111208057
Cited by
4,683
References
24
Citations by year
2026: 19 · 2025: 27 · 2024: 31 · 2023: 54 · 2022: 50 · 2021: 63 · 2020: 51 · 2019: 70 · 2018: 77 · 2017: 104 · 2016: 123 · 2015: 171 · 2014: 188 · 2013: 235 · 2012: 296
FWCI
75.18
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Human Genome Research Institute (T32 HG-00035, T32HG000035)
  • National Center for Research Resources (RR-11823, P41RR011823)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 02274, P30HD002274)
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 › Redox biology and oxidative stress
Keywords
ICAT, protein quantification, tandem mass spectrometry, protein expression profiling, Saccharomyces cerevisiae, glucose repression, ethanol carbon source, stable isotope dilution, cysteine labeling
MeSH terms
Affinity Labels, Amino Acid Sequence, Chromatography, Liquid, Isotope Labeling, Proteins, Mass Spectrometry

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