Cited by 128Redox biology and oxidative stressAdvanced Proteomics Techniques and ApplicationsUbiquitin and proteasome pathways

Site-Specific Proteomic Mapping Identifies Selectively Modified Regulatory Cysteine Residues in Functionally Distinct Protein Networks

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Gould, Neal S., Evans, Perry, Martínez-Acedo, Pablo, Marino, Stefano M., Gladyshev, Vadim N., Carroll, Kate S., Ischiropoulos, Harry·2015·Chemistry & Biology

Abstract

S-Acylation, S-glutathionylation, S-nitrosylation, and S-sulfenylation are prominent, chemically distinct modifications that regulate protein function, redox sensing, and trafficking. Although the biological significance of these modifications is increasingly appreciated, their integration in the proteome remains unknown. Novel mass spectrometry-based technologies identified 2,596 predominately unique sites in 1,319 mouse liver proteins under physiological conditions. Structural analysis localized the modifications in unique, evolutionary conserved protein segments, outside commonly annotated functional regions. Contrary to expectations, propensity for modification did not correlate with biophysical properties that regulate cysteine reactivity. However, the in vivo chemical reactivity is fine-tuned for specificity, demonstrated by the nominal complementation between the four modifications and quantitative proteomics which showed that a reduction in S-nitrosylation is not correlated with increased S-glutathionylation. A comprehensive survey uncovered clustering of modifications within biologically related protein networks. The data provide the first evidence for the occurrence of distinct, endogenous protein networks that undergo redox signaling through specific cysteine modifications.

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Crossref · 10.1016/j.chembiol.2015.06.010

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Authors
Gould, N. S., Evans, P., Martínez-Acedo, P., Marino, S. M., Gladyshev, V. N., Carroll, K. S., & Ischiropoulos, H.
Affiliations
  • Children's Hospital of Philadelphia (US)
  • Scripps Research Institute (US)
  • Akdeniz University (TR)
  • Brigham and Women's Hospital (US)
Corresponding author
Ischiropoulos, Harry
Venue
Chemistry & Biology
Publisher
Elsevier BV
Published
2015-07
Volume
22
Issue
7
Pages
965-975
ISSN
1074-5521 (ISSN-L)
OpenAlex
W1867506901
Cited by
128
References
46
Citations by year
2026: 2 · 2025: 11 · 2024: 11 · 2023: 11 · 2022: 10 · 2021: 12 · 2020: 12 · 2019: 9 · 2018: 17 · 2017: 14 · 2016: 14 · 2015: 5
FWCI
7.23
Type
journal article
Language
en
Open access
Locations
  • Chemistry & Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (HL54926, R01HL054926)
  • National Cancer Institute (R01CA174864, CA174986)
  • National Institute of General Medical Sciences (GM 065204, R37GM065204, GM102187, R01GM065204, R01GM102187)
  • National Institute of Environmental Health Sciences (P30ES013508)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (U54HD086984)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
cysteine modification, S-acylation, S-glutathionylation, S-nitrosylation, redox signaling, protein networks, post-translational modification
MeSH terms
Amino Acid Sequence, Animals, Cysteine, Humans, Models, Molecular, Molecular Sequence Data, Peptide Mapping, Protein Processing, Post-Translational, Mass Spectrometry, Proteome, Proteomics, Mice, Protein Interaction Maps

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