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Cited by 180

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Phosphoproteome Analysis of Fission Yeast

Wilson-Grady, Joshua T., Villén, Judit, Gygi, Steven P.·2008·Journal of Proteome Research

Abstract

Phosphorylation is a key regulator of many events in eukaryotic cells. The acquisition of large-scale phosphorylation data sets from model organisms can pinpoint conserved regulatory inputs and reveal kinase-substrate relationships. Here, we provide the first large-scale phosphorylation analysis of the fission yeast, Schizosaccharomyces pombe. Protein from thiabendazole-treated cells was separated by preparative SDS-PAGE and digested with trypsin. The resulting peptides were subjected to either IMAC or TiO2 phosphopeptide enrichment methods and then analyzed by LC-MS/MS using an LTQ-Orbitrap mass spectrometer. In total, 2887 distinct phosphorylation sites were identified from 1194 proteins with an estimated false-discovery rate of <0.5% at the peptide level. A comparison of the two different enrichment methods is presented, supporting the finding that they are complementary. Finally, phosphorylation sites were examined for phosphorylation-specific motifs and evolutionary conservation. These analyses revealed both motifs and specific phosphorylation events identified in S. pombe were conserved and predicted novel phosphorylation in mammals.

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Metadata

Authors
Wilson-Grady, J. T., Villén, J., & Gygi, S. P.
Venue
Journal of Proteome Research
Published
2008-02-08
Volume
7
Issue
3
Pages
1088-1097
ISSN
  • 1535-3893 (ISSN-L)
  • 1535-3907
OpenAlex
W1966062268
Cited by
180
References
5
FWCI
10.46
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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