Cited by 1,797DNA Repair MechanismsCancer-related Molecular PathwaysProtein Kinase Regulation and GTPase Signaling

Enhanced Phosphorylation of p53 by ATM in Response to DNA Damage

Banin, S., Moyal, L., Shieh, S.-Y., Taya, Y., Anderson, C. W., Chessa, L., Smorodinsky, N. I., Prives, C. +3 more·1998·Science

Abstract

The ATM protein, encoded by the gene responsible for the human genetic disorder ataxia telangiectasia (A-T), regulates several cellular responses to DNA breaks. ATM shares a phosphoinositide 3-kinase–related domain with several proteins, some of them protein kinases. A wortmannin-sensitive protein kinase activity was associated with endogenous or recombinant ATM and was abolished by structural ATM mutations. In vitro substrates included the translation repressor PHAS-I and the p53 protein. ATM phosphorylated p53 in vitro on a single residue, serine-15, which is phosphorylated in vivo in response to DNA damage. This activity was markedly enhanced within minutes after treatment of cells with a radiomimetic drug; the total amount of ATM remained unchanged. Various damage-induced responses may be activated by enhancement of the protein kinase activity of ATM.

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Crossref · 10.1126/science.281.5383.1674

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Authors
Banin, S., Moyal, L., Shieh, S.-Y., Taya, Y., Anderson, C. W., Chessa, L., Smorodinsky, N. I., Prives, C., Reiss, Y., Shiloh, Y., & Ziv, Y.
Affiliations
Tel Aviv University (IL)
Corresponding author
Shiloh, Y.
Venue
Science
Published
1998-09-11
Volume
281
Issue
5383
Pages
1674-1677
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W4212962560
Cited by
1,797
References
29
Citations by year
2026: 26 · 2025: 27 · 2024: 24 · 2023: 31 · 2022: 41 · 2021: 47 · 2020: 47 · 2019: 44 · 2018: 44 · 2017: 51 · 2016: 43 · 2015: 49 · 2014: 62 · 2013: 65 · 2012: 57
FWCI
43.26
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS031763, NS 31763)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
ATM kinase, p53 phosphorylation, DNA damage response, ataxia telangiectasia, protein kinase activity, radiomimetic drugs
MeSH terms
Wortmannin, Androstadienes, Ataxia Telangiectasia, Carrier Proteins, Cell Line, DNA Damage, DNA-Binding Proteins, Enzyme Inhibitors, Humans, Mutation, Zinostatin, Phosphoproteins, Phosphorylation, Protein Kinases, Proteins, Recombinant Proteins, Tumor Cells, Cultured, Tumor Suppressor Protein p53, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Phosphatidylinositol 3-Kinases, Tumor Suppressor Proteins, Protein Kinase Inhibitors, Adaptor Proteins, Signal Transducing, Ataxia Telangiectasia Mutated Proteins

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