Facile access to foldable redox-active flavin-peptide conjugates.

Friedrich Stricker,Jonas C. Kölsch,Sebastian B. Beil,S. Preiss,S. Waldvogel,T. Opatz,Pol Besenius

Published 2021 in Organic and biomolecular chemistry

ABSTRACT

A convenient approach for the synthesis of foldable redox-active flavin peptide conjugates was established. A model β-hairpin oligopeptide motif was utilized to demonstrate that azidolysine side-chains are readily functionalised with an alkyne-bearing flavine derivative. The folding equilibrium of the peptide backbone as well as the redox behaviour of the flavin moieties remains intact after the conjugation.

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