Download MendeleyGenetic Encoding of Cyanopyridylalanine for In-Cell Protein Macrocyclization by the Nitrile-Aminothiol Click Reaction.
Abdelkader, E.H., Qianzhu, H., George, J., Frkic, R.L., Jackson, C.J., Nitsche, C., Otting, G., Huber, T.(2022) Angew Chem Int Ed Engl 61: e202114154-e202114154
- PubMed: 35102680
- DOI: https://doi.org/10.1002/anie.202114154
- Primary Citation of Related Structures:
7R6O - PubMed Abstract:
Cyanopyridylalanines are non-canonical amino acids that react with aminothiol compounds under physiological conditions in a biocompatible manner without requiring added catalyst. Here we present newly developed aminoacyl-tRNA synthetases for genetic encoding of meta- and para-cyanopyridylalanine to enable the site-specific attachment of a wide range of different functionalities. The outstanding utility of the cyanopyridine moiety is demonstrated by examples of i) post-translational functionalization of proteins, ii) in-cell macrocyclization of peptides and proteins, and iii) protein stapling. The biocompatible nature of the protein ligation chemistry enabled by the cyanopyridylalanine amino acid opens a new path to specific in vivo protein modifications in complex biological environments.
Organizational Affiliation:
ARC Centre of Excellence for Innovations in Peptide & Protein Science, Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia.
