1996
Transfer RNA‐dependent cognate amino acid recognition by an aminoacyl‐tRNA synthetase.
Hong K, Ibba M, Weygand‐Durasevic I, Rogers M, Thomann H, Söll D. Transfer RNA‐dependent cognate amino acid recognition by an aminoacyl‐tRNA synthetase. The EMBO Journal 1996, 15: 1983-1991. PMID: 8617245, PMCID: PMC450117, DOI: 10.1002/j.1460-2075.1996.tb00549.x.Peer-Reviewed Original ResearchConceptsAmino acid recognitionEscherichia coli glutaminyl-tRNA synthetaseAccuracy of aminoacylationProtein-RNA interactionsRole of tRNAGlutaminyl-tRNA synthetaseAmino acid affinityCharacterization of mutantsAminoacyl-tRNA synthetaseAmino acid activationSpecific interactionsSubstrate recognitionEnzyme active siteGlnRActive siteAcceptor stemTRNAAminoacylationAcid affinityPosition 235TerminusSynthetaseObserved roleGlnTRNAGln
1993
Acceptor end binding domain interactions ensure correct aminoacylation of transfer RNA.
Weygand-Durasević I, Schwob E, Söll D. Acceptor end binding domain interactions ensure correct aminoacylation of transfer RNA. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 2010-2014. PMID: 7680483, PMCID: PMC46010, DOI: 10.1073/pnas.90.5.2010.Peer-Reviewed Original ResearchConceptsAmber suppressor tRNASuppressor tRNAEscherichia coli glutaminyl-tRNA synthetaseAcceptor stemAccuracy of aminoacylationGlutaminyl-tRNA synthetaseWild-type enzymeNoncognate complexGlnR mutantTRNA specificityArg-130Amber mutationTransfer RNASuch mutantsMutant enzymesCritical residuesDomain contributesDomain interactionsRecognition specificityTRNAGlu-131MutantsNoncognate tRNAsGlnRCorrect aminoacylation
1992
Competition of aminoacyl-tRNA synthetases for tRNA ensures the accuracy of aminoacylation
Sherman J, Rogers M, Söll D. Competition of aminoacyl-tRNA synthetases for tRNA ensures the accuracy of aminoacylation. Nucleic Acids Research 1992, 20: 2847-2852. PMID: 1377381, PMCID: PMC336931, DOI: 10.1093/nar/20.11.2847.Peer-Reviewed Original ResearchConceptsAccuracy of aminoacylationAminoacyl-tRNA synthetasesTyrosyl-tRNA synthetaseE. coli tyrosyl-tRNA synthetaseEscherichia coli tyrosyl-tRNA synthetaseGlutaminyl-tRNA synthetaseLevel of aminoacylationProtein biosynthesisTRNASynthetasesAminoacylationCompetition assaysDiscriminator baseDifferent synthetasesConcurrent overexpressionCorrect aminoacylationSynthetaseFirst baseRelative affinityVivoMisacylationAssaysAnticodonBiosynthesisCompetitionSwitching tRNA(Gln) identity from glutamine to tryptophan.
Rogers M, Adachi T, Inokuchi H, Söll D. Switching tRNA(Gln) identity from glutamine to tryptophan. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 3463-3467. PMID: 1565639, PMCID: PMC48888, DOI: 10.1073/pnas.89.8.3463.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acyl-tRNA SynthetasesAnticodonBase SequenceBeta-GalactosidaseCloning, MolecularEscherichia coliGenes, BacterialGenes, SuppressorGenes, SyntheticGlutamineMolecular Sequence DataMutagenesis, Site-DirectedNucleic Acid ConformationRNA, Transfer, GlnSuppression, GeneticTetrahydrofolate DehydrogenaseTryptophanConceptsOpal suppressorEscherichia coli glutaminyl-tRNA synthetaseAccuracy of aminoacylationGlutaminyl-tRNA synthetaseN-terminal sequence analysisEfficient suppressorYeast mitochondriaRespective tRNAsUCA anticodonAmber suppressorFol geneUGA codonUGA mutationsSequence analysisAlanine insertionAnticodonGenetic selectionBase pairsBase substitutionsSuppressorTRNATrpRSDihydrofolate reductasePosition 35MutationsCompetition of aminoacyl-tRNA synthetases for tRNA ensures the accuracy of aminoacylation
Sherman J, Rogers M, Söll D. Competition of aminoacyl-tRNA synthetases for tRNA ensures the accuracy of aminoacylation. Nucleic Acids Research 1992, 20: 1547-1552. PMID: 16617497, PMCID: PMC312236, DOI: 10.1093/nar/20.7.1547.Peer-Reviewed Original ResearchAccuracy of aminoacylationAminoacyl-tRNA synthetasesTyrosyl-tRNA synthetaseE. coli tyrosyl-tRNA synthetaseEscherichia coli tyrosyl-tRNA synthetaseGlutaminyl-tRNA synthetaseLevel of aminoacylationProtein biosynthesisTRNASynthetasesAminoacylationCompetition assaysDiscriminator baseDifferent synthetasesConcurrent overexpressionCorrect aminoacylationSynthetaseFirst baseRelative affinityVivoMisacylationAssaysAnticodonBiosynthesisCompetition
1990
The accuracy of aminoacylation — ensuring the fidelity of the genetic code
Söll D. The accuracy of aminoacylation — ensuring the fidelity of the genetic code. Cellular And Molecular Life Sciences 1990, 46: 1089-1096. PMID: 2253707, DOI: 10.1007/bf01936918.Peer-Reviewed Original ResearchConceptsAccuracy of aminoacylationTransfer RNA speciesAminoacyl-tRNA synthetasesMessenger RNA codonRNA speciesProtein biosynthesisGenetic codeProtein interactionsParticular tRNATRNACorrect attachmentBiophysical techniquesRNA codonsAmino acidsSynthetasesSpecific recognitionProper interactionAnticodonBiosynthesisCodonAminoacylationNucleotidesSpeciesEnzymeIdentity element
1988
Accuracy of in Vivo Aminoacylation Requires Proper Balance of tRNA and Aminoacyl-tRNA Synthetase
Swanson R, Hoben P, Sumner-Smith M, Uemura H, Watson L, Söll D. Accuracy of in Vivo Aminoacylation Requires Proper Balance of tRNA and Aminoacyl-tRNA Synthetase. Science 1988, 242: 1548-1551. PMID: 3144042, DOI: 10.1126/science.3144042.Peer-Reviewed Original ResearchConceptsAminoacyl-tRNA synthetaseAminoacyl-tRNA synthetasesProtein biosynthesisAccuracy of aminoacylationCognate aminoacyl-tRNA synthetaseAmber suppressorVivo aminoacylationGln-tRNA synthetaseCognate tRNATRNAExquisite specificityAminoacylationSynthetaseAccurate aminoacylationSynthetasesBiosynthesisIntracellular concentrationRelative levelsProper balanceComplexed formsSuppressorEscherichiaGln