Non-canonical Amino Acid Substrates of E. coli Aminoacyl-tRNA Synthetases.
Non-canonical Amino Acid Substrates of E. coli Aminoacyl-tRNA Synthetases.
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大肠杆菌氨基酰基-TRNA合成酶的非典型氨基酸底物。
DOI:
10.1002/cbic.202100299
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发表时间:
2022-01-05
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In this comprehensive review, I focus on the twenty E. coli aminoacyl-tRNA synthetases and their ability to charge non-canonical amino acids (ncAAs) onto tRNAs. The promiscuity of these enzymes has been harnessed for diverse applications including understanding and engineering of protein function, creation of organisms with an expanded genetic code, and the synthesis of diverse peptide libraries for drug discovery. The review catalogs the structures of all known ncAA substrates for each of the 20 E. coli aminoacyl-tRNA synthetases, including ncAA substrates for engineered versions of these enzymes. Drawing from the structures in the list, I highlight trends and novel opportunities for further exploitation of these ncAAs in the engineering of protein function, synthetic biology, and in drug discovery. Surprising diversity: The aminoacyl-tRNA synthetases from E. coli have been extensively explored, and a surprising number of amino acid substrates have been described. This comprehensive review catalogs all known substrates for these enzymes and highlights trends and novel applications.
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