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June 15, 2021
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The experimental procedures for performing diethylpyrocarbonate-based covalent labeling with mass spectrometric detection are described. Diethylpyrocarbonate is simply mixed with the protein or protein complex of interest, leading to the modification of solvent accessible amino acid residues. The modified residues can be identified after proteolytic digestion and liquid chromatography/mass spectrometry analysis.
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Kirsch, Z. J., Arden, B. G., Vachet, R. W., Limpikirati, P. Covalent Labeling with Diethylpyrocarbonate for Studying Protein Higher-Order Structure by Mass Spectrometry. J. Vis. Exp. (172), e61983, doi:10.3791/61983 (2021).
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