Kinase-Catalyzed Biotinylation.
Kinase-Catalyzed Biotinylation.
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DOI：
10.1002/9780470559277.ch110228
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发表时间：
2012
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Kinase-catalyzed protein phosphorylation plays an essential role in a variety of biological processes. Methods to detect phosphoproteins and phosphopeptides in cellular mixtures will aid in cell biological and signaling research. Our laboratory recently discovered the utility of γ-modified ATP analogues as tools for studying phosphorylation. Specifically, ATP-biotin can be used for labeling and visualizing phosphoproteins from cell lysates. Because the biotin tag is suitable for protein detection, the biotinylation reaction can be applied to multiple phosphoproteomics applications. Herein we report a general protocol for labeling phosphopeptides and phosphoproteins in biological samples using kinase-catalyzed biotinylation.
