Selective modification and purification of phosphopeptides for automated sequence analysis

Thomas R. Soderling, Kenneth Walsh

    Research output: Contribution to journalArticle

    12 Scopus citations

    Abstract

    A method is described for the selective purification of 32P-labeled peptides for sequence analysis. The procedure is based on the differential retention on reversed-phase high-performance liquid chromatography of the peptide containing phosphoserine versus dehydroalanine obtained by alkaline β-elimination of the phosphate. The method was tested using two synthetic phosphopeptides representing the phosphorylation site in pyruvate kinase and one of the sites in glycogen synthase.

    Original languageEnglish (US)
    Pages (from-to)243-251
    Number of pages9
    JournalJournal of Chromatography A
    Volume253
    Issue numberC
    DOIs
    StatePublished - 1982

    ASJC Scopus subject areas

    • Analytical Chemistry
    • Biochemistry
    • Organic Chemistry

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