Formylglycine-generating enzymes for site-specific bioconjugation

Author:

Krüger Tobias1,Dierks Thomas2,Sewald Norbert1

Affiliation:

1. Organic and Bioorganic Chemistry, Faculty of Chemistry , Bielefeld University , Universitätsstraße 25 , D-33615 Bielefeld , Germany

2. Biochemistry I, Faculty of Chemistry , Bielefeld University , Universitätsstraße 25 , D-33615 Bielefeld , Germany

Abstract

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.

Funder

Deutsche Forschungsgemeinschaft

Publisher

Walter de Gruyter GmbH

Subject

Clinical Biochemistry,Molecular Biology,Biochemistry

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