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Site-specific incorporation of un-natural amino acids (UNAA) is a powerful approach to engineer and understand protein function. Site-specific incorporation of UNAAs is achieved through repurposing the amber codon (UAG) as a sense codon for the UNAA, using a tRNACUA that base pairs with an UAG codon in the mRNA and an orthogonal amino-acyl tRNA synthetase (aaRS) that charges the tRNACUA with the UNAA. Here, we report an expansion of the zebrafish genetic code to incorporate the UNAAs, azido-lysine (AzK), bicyclononyne-lysine (BCNK), and diazirine-lysine (AbK) into green fluorescent protein (GFP) and glutathione-s-transferase (GST). We also present proteomic evidence for UNAA incorporation into GFP. Our work sets the stage for the use of AzK, BCNK, and AbK introduction into proteins as a means to investigate and engineer their function in zebrafish.
Pubmed ID: 31130675
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Software package as distribution of ImageJ and ImageJ2 together with Java, Java3D and plugins organized into coherent menu structure. Used to assist research in life sciences.
View all literature mentionsA quantitative proteomics software package for analyzing large-scale mass-spectrometric data sets. It is a set of algorithms that include peak detection and scoring of peptides, mass calibration, database searches for protein identification, protein quantification, and provides summary statistics.
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