Co-translational Installation of Posttranslational Modifications by Non-canonical Amino Acid Mutagenesis
Wei Niu1,2, Jiantao Guo3,2
1Department of Chemical and Biomolecular Engineering, University of Nebraska-Lincoln, Lincoln, N-68588, USA.
Abstract:
Protein posttranslational modifications (PTMs) play critical roles in regulating cellular activities. Here we provide a survey of genetic code expansion (GCE) methods that were applied in the co-translational installation and studies of PTMs through noncanonical amino acid (ncAA) mutagenesis. We begin by reviewing types of PTM that have been installed by GCE with a focus on modifications of tyrosine, serine, threonine, lysine, and arginine residues. We also discuss examples of applying these methods in biological studies. Finally, we end the piece with a short discussion on the challenges and the opportunities of the field.
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