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Mass Spectrometry of Arginine-Containing Peptides
Mass Spectrometry of Arginine-Containing Peptides
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机译:含精氨酸肽的质谱分析
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摘要
Peptides can be derivatised such that, when ionised and analysed by mass spectrometry, those containing arginine residues give characteristic peak patterns. Peaks corresponding to arginine-containing peptides can therefore be selected from a mass spectrum in order to simplify and improve peptide analysis. Suitable labels give derivatised peptides that have the ability to form both a stabilised ion species ([P]+) and a protonated ion molecular species ([P+H]+) that differ by one average mass unit. A characteristic peak pattern is seen.
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