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  Isotope-Coded Protein Label

Kellermann, J., & Lottspeich, F. (2012). Isotope-Coded Protein Label. In Methods in Molecular Biology, Vol. 893 (pp. 143-153). London: Springer.

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 Urheber:
Kellermann, Josef1, Autor           
Lottspeich, Friedrich1, Autor           
Affiliations:
1Lottspeich, Friedrich / Protein Analysis, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565158              

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Schlagwörter: High-throughput , Isotope-coded protein label , Mass spectrometry , Quantitative , Proteomics , Two-dimensional gel electrophoresis
 Zusammenfassung: A great variety of technologies using stable isotope labeling in combination with mass spectrometry have been described being tools to identify and relatively quantify proteins within complex mixtures. Here, we present a method, termed isotope-coded protein label (ICPL), which is capable of high-throughput quantitative proteome pro fi ling on a global scale. Since ICPL is based on tagging stable isotope derivatives at the free amino groups of intact proteins, the method is applicable to any protein sample, including extracts from tissues or body fl uids. All separation methods currently employed in proteome studies can be used to reduce complexity on the protein level. After enzymatic cleavage of the protein fractions, the ratios of peptides from different proteome states can be calculated by simple MS-based mass spectrometric analyses. Only peptides representing different expression levels in the different proteomic states are further analyzed by tandem-mass spectrometry to identify respective proteins. For quanti fi cation of proteins from multiplexed ICPL experiments, ICPLQuant was developed, a software package especially designed to cover the whole ICPL work fl ow. The ICPL method results in accurate and reproducible quanti fi cation of proteins and high sequence coverage, indispensable for a comprehensive detection of posttranslational modi fi cations and discrimination of protein isoforms.

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Sprache(n): eng - English
 Datum: 2012-06-30
 Publikationsstatus: Erschienen
 Seiten: 11
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1007/978-1-61779-885-6_11
 Art des Abschluß: -

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Titel: Methods in Molecular Biology, Vol. 893
  Andere : Quantitative Methods in Proteomics
Genre der Quelle: Reihe
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: London : Springer
Seiten: - Band / Heft: 893 Artikelnummer: - Start- / Endseite: 143 - 153 Identifikator: ISBN: 978-1-61779-884-9