L-phenylalanyl-tRNA synthetase mutants, a process for the prepar

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...

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435193, 435 914, 4351723, 4352523, 43525233, 4353201, 536 232, 935 10, 935 44, C12N 910, C12N 1512, C12N 1554, C12P 2100

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053709950

ABSTRACT:
L-Phenylalanyl-tRNA synthetase mutants, a process for the preparation thereof and the use thereof for the in vivo incorporation of non-proteinogenous amino acids into peptides or proteins.
The invention relates to L-phenylalanyl-tRNA synthetases from microorganisms which, by reason of a modification generated by genetic engineering, have an altered substrate selectivity, and to their preparation and use for the in vivo incorporation of non-proteinogenous amino acids into peptides or proteins.

REFERENCES:
P. Kast et al., "Amino Acid Substrate Specificity of Escherichia coli Phenylalanyl-tRNA Synthetase Altered by Distinct Mutations," J. Mol. Biol. 222: 99-124 (1991).
Dissertation Eth Nr. 9468, "Investigations on Escherichia coli Phenylalanyl tRNA Synthetase at the Molecular Level . . . ", presented by Peter Kast to the Swiss Federal Institute of Technology Zurich (1991).

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