N6-((Prop-2-yn-1-yloxy)carbonyl)-L-lysine hydrochloride is a clickable amino acid derivative for site-specific incorporation into recombinant proteins or synthesis of chemical probes and tools for biological applications. This non-canonical lysine possesses an alkyne for bioorthogonal reaction with azides.
Three alkyne-containing pyrrolysine derivatives were synthesized and genetically encoded into proteins by a mutant PylRS-tRNA pair with high efficiencies. With these alkyne handles, site-specific dual labeling of proteins can be achieved via a bioorthogonal thiol-yne ligation reaction.
Journal of the American Chemical Society, 139(34), 11646-11649 (2017-08-16)
Nisin is a complex lanthipeptide that has broad spectrum antibacterial activity. In efforts to broaden the structural diversity of this ribosomally synthesized lantibiotic, we now report the recombinant expression of Nisin variants that incorporate noncanonical amino acids (ncAAs) at discrete
Angewandte Chemie (International ed. in English), 53(8), 2245-2249 (2014-01-30)
The growing demands of advanced fluorescence and super-resolution microscopy benefit from the development of small and highly photostable fluorescent probes. Techniques developed to expand the genetic code permit the residue-specific encoding of unnatural amino acids (UAAs) armed with novel clickable
Recent advances in site-specific protein modification include the increasingly popular incorporation of unnatural amino acid(s) using amber codon, a method developed by Schultz and coworkers. In this study, we employ this technique to introduce propargyllysine (PrK) in human fibroblast growth
Angewandte Chemie (International ed. in English), 53(47), 12925-12929 (2014-09-10)
Ubiquitylation is a complex posttranslational protein modification and deregulation of this pathway has been associated with different human disorders. Ubiquitylation comes in different flavors: Besides mono-ubiquitylation, ubiquitin chains of various topologies are formed on substrate proteins. The fate of ubiquitylated
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