Tyrosine Conjugation Methods for Protein Labelling
- 11 November 2020
- journal article
- review article
- Published by Wiley in Chemistry – A European Journal
- Vol. 26 (63), 14257-14269
- https://doi.org/10.1002/chem.202001992
Abstract
Over the last two decades, the development of chemical biology and the need for more defined protein conjugates have fostered active research on new bioconjugation techniques. In particular, a wide range of biorthogonal labelling strategies have been reported to functionalise the phenol side chain of tyrosines (Tyr). Tyr occur at medium frequency and are partially buried at the protein surface, offering interesting opportunities for site-selective labelling of the most reactive residues. Tyr-targeting has proved effective for designing a wide range of important biomolecules including antibody-drug conjugates, fluorescent or radioactive protein probes, glycovaccines, protein aggregates, and PEG conjugates. Innovative methods have also been reported for site-specific labelling with ligand-directed anchors and for the specific affinity capture of proteins. This review will present and discuss these promising alternatives to the conventional labelling of the nucleophilic lysine and cysteine residues.Keywords
Funding Information
- Université de Nantes
- Centre National de la Recherche Scientifique
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