1998
Retracing the evolution of amino acid specificity in glutaminyl‐tRNA synthetase
Hong K, Ibba M, Söll D. Retracing the evolution of amino acid specificity in glutaminyl‐tRNA synthetase. FEBS Letters 1998, 434: 149-154. PMID: 9738468, DOI: 10.1016/s0014-5793(98)00968-5.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseTranslational error rateMolecular phylogenetic studiesAmino acid specificityGlutamyl-tRNA synthetaseFirst biochemical evidenceCellular growth ratePhe-90Phylogenetic studiesSynthetase mutantsTyr-240SynthetaseBiochemical evidenceVivo expressionGenesGlutamic acidActive siteGrowth rateMisacylationMutantsMutagenesisDuplicationDiversificationResiduesKey step
1985
Two control systems modulate the level of glutaminyl-tRNA synthetase in Escherichia coli
Cheung A, Watson L, Söll D. Two control systems modulate the level of glutaminyl-tRNA synthetase in Escherichia coli. Journal Of Bacteriology 1985, 161: 212-218. PMID: 2578447, PMCID: PMC214858, DOI: 10.1128/jb.161.1.212-218.1985.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseEscherichia coli glutaminyl-tRNA synthetaseBeta-galactosidase structural genePost-transcriptional regulationStructural geneTranscriptional controlRegulatory mutationsTranslational levelGln-10Metabolic regulationEscherichia coliSynthetaseVivo expressionTranscriptionGrowth conditionsRegulationMRNA levelsRegulatory studiesSynthetase levelsMutationsGlnGrowth rateGenesPromoterColi