Cited by 3,075DNA Repair MechanismsProtein Kinase Regulation and GTPase SignalingEffects of Radiation Exposure

ATM and ATR Substrate Analysis Reveals Extensive Protein Networks Responsive to DNA Damage

Matsuoka, Shuhei, Ballif, Bryan A., Smogorzewska, Agata, McDonald, E. Robert, Hurov, Kristen E., Luo, Ji, Bakalarski, Corey E., Zhao, Zhenming +5 more·2007·Science

Abstract

Cellular responses to DNA damage are mediated by a number of protein kinases, including ATM (ataxia telangiectasia mutated) and ATR (ATM and Rad3-related). The outlines of the signal transduction portion of this pathway are known, but little is known about the physiological scope of the DNA damage response (DDR). We performed a large-scale proteomic analysis of proteins phosphorylated in response to DNA damage on consensus sites recognized by ATM and ATR and identified more than 900 regulated phosphorylation sites encompassing over 700 proteins. Functional analysis of a subset of this data set indicated that this list is highly enriched for proteins involved in the DDR. This set of proteins is highly interconnected, and we identified a large number of protein modules and networks not previously linked to the DDR. This database paints a much broader landscape for the DDR than was previously appreciated and opens new avenues of investigation into the responses to DNA damage in mammals.

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Crossref · 10.1126/science.1140321

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  • Activated ATR phosphorylates downstream mediators including Chk1, AKAP12, MK2, p53, ATRIP, and XPA.

    “Activated ATR kinase phosphorylates many downstream mediators/effectors which include checkpoint kinase 1 (Chk1), A-kinase-anchoring protein 12 (AKAP12), p38/mitogen-activated protein kinase-activated protein (MAPKAP) kinase 2 (MK2), the tumor suppressor protein p53, ATRIP and XPA 27, 31–33.”
  • Effector kinases phosphorylate many targets, including cell cycle machinery and proteins important for replication and repair.

    “Finally, effector kinases are responsible for the phosphorylation of a great number of targets, including cell cycle machinery factors and key proteins important for replication and repair [32,33].”

    From Mind the gap: keeping UV lesions in check (2011) · cites this paper as [33]

  • CSB, the human orthologue of Rad26, was identified in a screen for putative ATM/ATR substrates, pointing to conservation of this regulatory mechanism.

    “Notably, CSB (the human orthologue of Rad26) was identified in a screen for putative ATM/ATR substrates [33], pointing to a conservation of this regulatory mechanism through evolution.”

    From Mind the gap: keeping UV lesions in check (2011) · cites this paper as [33]

  • One of the CSB SQ/TQ motifs was recently identified as a target for ATM/ATR.

    “one of these was recently identified as a target for ATM/ATR (32).”
  • Systematic analyses of ATM/ATR substrates revealed ionizing radiation-induced phosphorylation of mismatch repair proteins MSH2, MSH3, and MSH6 and homologous recombination proteins Mre11, Rad50, MDC1, and Rad51.

    “In addition, systematic analyses of ATM/ATR substrates have revealed several IR-induced phosphorylation in MMR (e.g., MSH2, MSH3, and MSH6) and HR (e.g., Mre11, Rad50, MDC1, and Rad51) proteins [83]”

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Authors
Matsuoka, S., Ballif, B. A., Smogorzewska, A., McDonald, E. R., Hurov, K. E., Luo, J., Bakalarski, C. E., Zhao, Z., Solimini, N., Lerenthal, Y., Shiloh, Y., Gygi, S. P., & Elledge, S. J.
Affiliations
Brigham and Women's Hospital (US)
Corresponding author
  • Ballif, Bryan A.
  • Smogorzewska, Agata
  • McDonald, E. Robert
  • Hurov, Kristen E.
  • Luo, Ji
  • Gygi, Steven P.
  • Elledge, Stephen J.
Venue
Science
Published
2007-05-25
Volume
316
Issue
5828
Pages
1160-1166
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2110817748
Cited by
3,075
References
31
Citations by year
2026: 65 · 2025: 74 · 2024: 101 · 2023: 125 · 2022: 156 · 2021: 180 · 2020: 149 · 2019: 118 · 2018: 142 · 2017: 150 · 2016: 180 · 2015: 181 · 2014: 220 · 2013: 208 · 2012: 231
FWCI
73.06
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
U.S. Public Health Service (1U19A1067751)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
Keywords
DNA damage response, ATM, ATR, protein phosphorylation, phosphorylation sites, protein networks, protein modules, signal transduction, protein kinases, proteomics
MeSH terms
Animals, Binding Sites, Cell Cycle, Cell Line, DNA Damage, DNA Repair, DNA Replication, DNA-Binding Proteins, Humans, Isotope Labeling, Phosphorylation, Substrate Specificity, Signal Transduction, Consensus Sequence, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Computational Biology, Proteome, Tumor Suppressor Proteins, RNA, Small Interfering, NIH 3T3 Cells, Immunoprecipitation, Mice, Ataxia Telangiectasia Mutated Proteins

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