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Licensed Unlicensed Requires Authentication Published by De Gruyter October 25, 2018

Formylglycine-generating enzymes for site-specific bioconjugation

  • Tobias Krüger , Thomas Dierks EMAIL logo and Norbert Sewald EMAIL logo
From the journal Biological Chemistry

Abstract

Site-specific bioconjugation strategies offer many possibilities for directed protein modifications. Among the various enzyme-based conjugation protocols, formylglycine-generating enzymes allow to posttranslationally introduce the amino acid Cα-formylglycine (FGly) into recombinant proteins, starting from cysteine or serine residues within distinct consensus motifs. The aldehyde-bearing FGly-residue displays orthogonal reactivity to all other natural amino acids and can, therefore, be used for site-specific labeling reactions on protein scaffolds. In this review, the state of research on catalytic mechanisms and consensus motifs of different formylglycine-generating enzymes, as well as labeling strategies and applications of FGly-based bioconjugations are presented.

Award Identifier / Grant number: DI 575/9-1

Award Identifier / Grant number: SE 609/15-1

Funding statement: This work was supported by Deutsche Forschungsgemeinschaft as part of the priority program SPP 1623 (Funder Id: 10.13039/501100001659, DI 575/9-1, SE 609/15-1).

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Received: 2018-08-24
Accepted: 2018-09-28
Published Online: 2018-10-25
Published in Print: 2019-02-25

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