The comparative reaction efficiencies of currently used nucleophilic and electrophilic probes toward cysteine sulfenic acid have been thoroughly evaluated in two different settings-(i) a small molecule dipeptide based model and (ii) a recombinant protein model. We further evaluated the stability of corresponding thioether and sulfoxide adducts under reducing conditions which are commonly encountered during proteomic protocols and in cell analysis. Powered by the development of new cyclic and linear C-nucleophiles, the unsurpassed efficiency in the capture of sulfenic acid under competitive conditions is achieved and thus holds great promise as highly potent tools for activity-based sulfenome profiling.
Reactivity, Selectivity, and Stability in Sulfenic Acid Detection: A Comparative Study of Nucleophilic and Electrophilic Probes.
Vinayak Gupta,Hanumantharao Paritala,Kate S. Carroll
Published 2016 in Bioconjugate chemistry
ABSTRACT
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- Publication year
2016
- Venue
Bioconjugate chemistry
- Publication date
2016-05-09
- Fields of study
Medicine, Chemistry
- Identifiers
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- Source metadata
Semantic Scholar, PubMed
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