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American Chemical Society, Journal of the American Chemical Society, 6(134), p. 2950-2953, 2012

DOI: 10.1021/ja211972x

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A Rationally Designed Pyrrolysyl-tRNA Synthetase Mutant with a Broad Substrate Spectrum

Journal article published in 2012 by Yane-Shih Wang ORCID, Xinqiang Fang, Ashley L. Wallace, Bo Wu, Wenshe R. Liu
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Together with tRNA(CUA)(Pyl), a rationally designed pyrrolysyl-tRNA synthetase mutant N346A/C348A has been successfully used for the genetic incorporation of a variety of phenylalanine derivatives with large para substituents into superfolder green fluorescent protein at an amber mutation site in Escherichia coli. This discovery greatly expands the genetically encoded noncanonical amino acid inventory and opens the gate for the genetic incorporation of other phenylalanine derivatives using engineered pyrrolysyl-tRNA synthetase-tRNA(CUA)(Pyl) pairs.