A Mutant Escherichia coli Tyrosyl-tRNA Synthetase Utilizes the Unnatural Amino Acid Azatyrosine More Efficiently than Tyrosine*
Hamano-Takaku F, Iwama T, Saito-Yano S, Takaku K, Monden Y, Kitabatake M, Söll D, Nishimura S. A Mutant Escherichia coli Tyrosyl-tRNA Synthetase Utilizes the Unnatural Amino Acid Azatyrosine More Efficiently than Tyrosine*. Journal Of Biological Chemistry 2000, 275: 40324-40328. PMID: 11006270, DOI: 10.1074/jbc.m003696200.Peer-Reviewed Original ResearchConceptsUnnatural amino acidsTyrosyl-tRNA synthetaseEscherichia coli tyrosyl-tRNA synthetasePosition 130Amino acidsVivo protein biosynthesisE. coli cellsAminoacyl-tRNA formationSingle point mutationTyrRS mutantsCellular proteinsProtein biosynthesisTYR geneMutant enzymesPlasmid libraryReplacement of phenylalanineColi cellsImmense potentialNormal phenotypeEfficient productionPoint mutationsTyrRSProteinPolymerase chain reaction techniqueSynthetase
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