Published September 23, 2020 | Version Submitted

Serine-Selective Bioconjugation

Description

The first general method for the rapid, chemoselective, and modular functionalization of serine residues in native polypeptides is reported. Using a reagent platform based on P(V) oxidation state, this redox-economic approach can be used to append nearly any kind of cargo onto serine generating a stable, benign, and hydrophilic phosphorothioate linkage. The method tolerates all other known nucleophilic functional groups of naturally occurring proteinogenic amino acids. A variety of applications can be envisaged enabled by this expansion of the toolbox of site-selective bioconjugation methods.

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Additional details

Related works

Is supplemented by
10.1021/jacs.0c05595 (DOI)

Funding

European Commission
EnanSET - Homogeneous and heterogeneous enantioselective Single Electron Transfer (SET) catalysis in cross-coupling reactions 749359