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  Proteome-wide Analysis of Lysine Acetylation Suggests its Broad Regulatory Scope in Saccharomyces cerevisiae

Henriksen, P., Wagner, S. A., Weinert, B. T., Sharma, S., Bacinskaja, G., Rehman, M., et al. (2012). Proteome-wide Analysis of Lysine Acetylation Suggests its Broad Regulatory Scope in Saccharomyces cerevisiae. MOLECULAR & CELLULAR PROTEOMICS, 11(11), 1510-1522. doi:10.1074/mcp.M112.017251.

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 Urheber:
Henriksen, Peter1, Autor
Wagner, Sebastian A.1, Autor
Weinert, Brian T.1, Autor
Sharma, Satyan1, Autor
Bacinskaja, Giedre1, Autor
Rehman, Michael2, Autor           
Juffer, Andre H.1, Autor
Walther, T. C.2, Autor           
Lisby, Michael1, Autor
Choudhary, Chunaram1, Autor           
Affiliations:
1external, ou_persistent22              
2Former Research Groups, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565145              

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Schlagwörter: SISTER-CHROMATID COHESION; MASS-SPECTROMETRY; HISTONE ACETYLATION; SIGNALING NETWORKS; ESCHERICHIA-COLI; C-TRAP; YEAST; COMPLEXES; DEACETYLATION; PHOSPHORYLATION
 Zusammenfassung: Post-translational modification of proteins by lysine acetylation plays important regulatory roles in living cells. The budding yeast Saccharomyces cerevisiae is a widely used unicellular eukaryotic model organism in biomedical research. S. cerevisiae contains several evolutionary conserved lysine acetyltransferases and deacetylases. However, only a few dozen acetylation sites in S. cerevisiae are known, presenting a major obstacle for further understanding the regulatory roles of acetylation in this organism. Here we use high resolution mass spectrometry to identify about 4000 lysine acetylation sites in S. cerevisiae. Acetylated proteins are implicated in the regulation of diverse cytoplasmic and nuclear processes including chromatin organization, mitochondrial metabolism, and protein synthesis. Bioinformatic analysis of yeast acetylation sites shows that acetylated lysines are significantly more conserved compared with nonacetylated lysines. A large fraction of the conserved acetylation sites are present on proteins involved in cellular metabolism, protein synthesis, and protein folding. Furthermore, quantification of the Rpd3-regulated acetylation sites identified several previously known, as well as new putative substrates of this deacetylase. Rpd3 deficiency increased acetylation of the SAGA (Spt-Ada-Gcn5-Acetyltransferase) complex subunit Sgf73 on K33. This acetylation site is located within a critical regulatory domain in Sgf73 that interacts with Ubp8 and is involved in the activation of the Ubp8-containing histone H2B deubiquitylase complex. Our data provides the first global survey of acetylation in budding yeast, and suggests a wide-ranging regulatory scope of this modification. The provided dataset may serve as an important resource for the functional analysis of lysine acetylation in eukaryotes. Molecular & Cellular Proteomics 11: 10.1074/mcp.M112.017251, 1510-1522, 2012.

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Sprache(n): eng - English
 Datum: 2012-11
 Publikationsstatus: Erschienen
 Seiten: 13
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: ISI: 000313277100032
DOI: 10.1074/mcp.M112.017251
 Art des Abschluß: -

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Titel: MOLECULAR & CELLULAR PROTEOMICS
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA : AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
Seiten: - Band / Heft: 11 (11) Artikelnummer: - Start- / Endseite: 1510 - 1522 Identifikator: ISSN: 1535-9476