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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Biochim Biophys Acta. 2013 Jun 6;1840(2):847–875. doi: 10.1016/j.bbagen.2013.05.040

Fig. 14.

Fig. 14

General strategy for labeling and enrichment of sulfenic acid-modified protein and peptides. (A) Direct detection of sulfenylated proteins and peptides using modified TFA-cleavable biotin carbamate linker. (B) Direct detection of sulfenylated proteins with a β-ketoester probe amenable to cleavage by the reaction with hydroxylamine.