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- Branca, Rui M. M., et al.
(författare)
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HiRIEF LC-MSMS enables deep proteome coverage and unbiased proteogenomics
- 2014
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Ingår i: Nature Methods. - 1548-7091 .- 1548-7105. ; 11:1, s. 59-
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Tidskriftsartikel (refereegranskat)abstract
- We present a liquid chromatography-mass spectrometry (LC-MSMS)-based method permitting unbiased (gene prediction-independent) genome-wide discovery of protein-coding loci in higher eukaryotes. Using high-resolution isoelectric focusing (HiRIEF) at the peptide level in the 3.7-5.0 pH range and accurate peptide isoelectric point (pI) prediction, we probed the six-reading-frame translation of the human and mouse genomes and identified 98 and 52 previously undiscovered protein-coding loci, respectively. The method also enabled deep proteome coverage, identifying 13,078 human and 10,637 mouse proteins.
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