Charting the landscape of tandem BRCT domain-mediated protein interactions

Nicholas T. Woods, Rafael D. Mesquita, Michael Sweet, Marcelo A. Carvalho, Xueli Li, Yun Liu, Huey Nguyen, C. Eric Thomas, Edwin S. Iversen, Sylvia Marsillac, Rachel Karchin, John Koomen, Alvaro N.A. Monteiro

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Eukaryotic cells have evolved an intricate system to resolve DNA damage to prevent its transmission to daughter cells. This system, collectively known as the DNA damage response (DDR) network, includesmany proteins that detect DNA damage, promote repair, and coordinate progression through the cell cycle. Because defects in this network can lead to cancer, this network constitutes a barrier against tumorigenesis. The modular BRCA1 carboxyl-terminal (BRCT) domain is frequently present in proteins involved in the DDR, can exist either as an individual domain or as tandem domains (tBRCT), and can bind phosphorylated peptides. We performed a systematic analysis of protein-protein interactions involving tBRCT in the DDR by combining literature curation, yeast two-hybrid screens, and tandem affinity purification coupled to mass spectrometry. We identified 23 proteins containing conserved BRCT domains and generated a human protein-protein interaction network for seven proteins with tBRCT. This study also revealed previously unknown components in DNA damage signaling, such as COMMD1 andt he target of rapamycin complex mTORC2. Additionally, integration of tBRCT domain interactions with DDR phosphoprotein studies and analysis of kinase-substrate interactions revealed signaling subnetworks that may aid in understanding the involvement of tBRCT in disease and DNA repair.

Original languageEnglish (US)
Article numberrs6
JournalScience Signaling
Volume5
Issue number242
DOIs
StatePublished - Sep 18 2012

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Protein Interaction Domains and Motifs
DNA Damage
DNA
Proteins
Repair
Protein Interaction Maps
Phosphoproteins
Eukaryotic Cells
Sirolimus
DNA Repair
Mass Spectrometry
Cell Cycle
Yeast
Carcinogenesis
Phosphotransferases
Purification
Mass spectrometry
Yeasts
Cells
Peptides

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Woods, N. T., Mesquita, R. D., Sweet, M., Carvalho, M. A., Li, X., Liu, Y., ... Monteiro, A. N. A. (2012). Charting the landscape of tandem BRCT domain-mediated protein interactions. Science Signaling, 5(242), [rs6]. https://doi.org/10.1126/scisignal.2002255

Charting the landscape of tandem BRCT domain-mediated protein interactions. / Woods, Nicholas T.; Mesquita, Rafael D.; Sweet, Michael; Carvalho, Marcelo A.; Li, Xueli; Liu, Yun; Nguyen, Huey; Thomas, C. Eric; Iversen, Edwin S.; Marsillac, Sylvia; Karchin, Rachel; Koomen, John; Monteiro, Alvaro N.A.

In: Science Signaling, Vol. 5, No. 242, rs6, 18.09.2012.

Research output: Contribution to journalArticle

Woods, NT, Mesquita, RD, Sweet, M, Carvalho, MA, Li, X, Liu, Y, Nguyen, H, Thomas, CE, Iversen, ES, Marsillac, S, Karchin, R, Koomen, J & Monteiro, ANA 2012, 'Charting the landscape of tandem BRCT domain-mediated protein interactions', Science Signaling, vol. 5, no. 242, rs6. https://doi.org/10.1126/scisignal.2002255
Woods, Nicholas T. ; Mesquita, Rafael D. ; Sweet, Michael ; Carvalho, Marcelo A. ; Li, Xueli ; Liu, Yun ; Nguyen, Huey ; Thomas, C. Eric ; Iversen, Edwin S. ; Marsillac, Sylvia ; Karchin, Rachel ; Koomen, John ; Monteiro, Alvaro N.A. / Charting the landscape of tandem BRCT domain-mediated protein interactions. In: Science Signaling. 2012 ; Vol. 5, No. 242.
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