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Accurate proteome-wide protein quantification from high-resolution15N mass spectra

Author(s): Khan, Z; Amini, S; Bloom, JS; Ruse, C; Caudy, AA; et al

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Abstract: In quantitative mass spectrometry-based proteomics, the metabolic incorporation of a single source of 15N-labeled nitrogen has many advantages over using stable isotope-labeled amino acids. However, the lack of a robust computational framework for analyzing the resulting spectra has impeded wide use of this approach. We have addressed this challenge by introducing a new computational methodology for analyzing 15N spectra in which quantification is integrated with identification. Application of this method to an Escherichia coli growth transition reveals significant improvement in quantification accuracy over previous methods.
Publication Date: 19-Dec-2011
Electronic Publication Date: 19-Dec-2011
Citation: Khan, Z, Amini, S, Bloom, JS, Ruse, C, Caudy, AA, Kruglyak, L, Singh, M, Perlman, DH, Tavazoie, S. (2011). Accurate proteome-wide protein quantification from high-resolution15N mass spectra. Genome Biology, 12 (10.1186/gb-2011-12-12-r122
DOI: doi:10.1186/gb-2011-12-12-r122
Type of Material: Journal Article
Journal/Proceeding Title: Genome Biology
Version: Final published version. This is an open access article.

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