2000
Ancient Adaptation of the Active Site of Tryptophanyl-tRNA Synthetase for Tryptophan Binding †
Ibba M, Stange-Thomann N, Kitabatake M, Ali K, Söll I, Carter, C, Michael Ibba, and, Söll D. Ancient Adaptation of the Active Site of Tryptophanyl-tRNA Synthetase for Tryptophan Binding †. Biochemistry 2000, 39: 13136-13143. PMID: 11052665, DOI: 10.1021/bi001512t.Peer-Reviewed Original ResearchMeSH KeywordsAcylationAnimalsBacillus subtilisBacterial ProteinsBinding SitesCattleDiphosphatesDNA Mutational AnalysisDNA, BacterialEvolution, MolecularGeobacillus stearothermophilusHumansKineticsMiceMutagenesis, Site-DirectedProtein BindingRabbitsRNA, Transfer, TrpSequence Homology, Amino AcidTryptophanTryptophan-tRNA LigaseTyrosineConceptsAmino acid specificityActive site residuesTyrosyl-tRNA synthetasesTryptophanyl-tRNA synthetaseAncient adaptationAnalogous residuesGlu side chainsTryptophan replacementHomologous positionsSystematic mutationAromatic side chainsTrpRSTryptophan recognitionBacillus stearothermophilusSide chainsTryptophan bindingTyrRSResiduesCommon originCompetitive inhibitorMutationsTrp bindingMechanistic supportCatalytic efficiencyActive site
1999
Substrate recognition by class I lysyl-tRNA synthetases: A molecular basis for gene displacement
Ibba M, Losey H, Kawarabayasi Y, Kikuchi H, Bunjun S, Söll D. Substrate recognition by class I lysyl-tRNA synthetases: A molecular basis for gene displacement. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 418-423. PMID: 9892648, PMCID: PMC15151, DOI: 10.1073/pnas.96.2.418.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acyl-tRNA SynthetasesBase SequenceBorrelia burgdorferi GroupCloning, MolecularDiphosphatesEscherichia coliEvolution, MolecularGenes, ArchaealGenes, BacterialGenetic Complementation TestKineticsLysine-tRNA LigaseMethanococcusMolecular Sequence DataNucleic Acid ConformationPhylogenyRNA, Transfer, Amino AcylSequence Analysis, DNASubstrate SpecificityTranscription, GeneticConceptsClass II LysRSAminoacyl-tRNA synthetasesLysyl-tRNA synthetasesSubstrate recognitionMolecular basisBacterial class IClass II enzymesSequence-specific recognitionGene displacementTranslational apparatusTRNA recognitionEscherichia coli strainsLysRSLysRSsSame nucleotideSynthetasesDiscriminator baseUnrelated typesLysine activationCertain bacteriaII enzymesColi strainsTRNALysClass IEnzyme
1995
A broadly applicable continuous spectrophotometric assay for measuring aminoacyl-tRNA synthetase activity
Lloyd A, Thomann H, Ibba M, Soöll D. A broadly applicable continuous spectrophotometric assay for measuring aminoacyl-tRNA synthetase activity. Nucleic Acids Research 1995, 23: 2886-2892. PMID: 7659511, PMCID: PMC307126, DOI: 10.1093/nar/23.15.2886.Peer-Reviewed Original Research
1974
Involvement of the anticodon region of Escherichia coli tRNAGln and tRNAGlu in the specific interaction with cognate aminoacyl-tRNA synthetase Alteration of the 2-thiouridine derivatives located in the anticodon of the tRNAs by BrCN or sulfur deprivation
Seno T, Agris P, Söll D. Involvement of the anticodon region of Escherichia coli tRNAGln and tRNAGlu in the specific interaction with cognate aminoacyl-tRNA synthetase Alteration of the 2-thiouridine derivatives located in the anticodon of the tRNAs by BrCN or sulfur deprivation. Biochimica Et Biophysica Acta 1974, 349: 328-338. PMID: 4366808, DOI: 10.1016/0005-2787(74)90120-8.Peer-Reviewed Original ResearchAdenosine TriphosphateAmino Acyl-tRNA SynthetasesCarbon RadioisotopesChromatography, Ion ExchangeCyanogen BromideDiphosphatesEscherichia coliGlutamatesGlutamineKineticsPhosphorus RadioisotopesProtein BiosynthesisRNA, BacterialRNA, TransferSpectrophotometry, UltravioletThiouridineTransfer RNA Aminoacylation
1973
Covalent attachment of fluorescent groups to the 5′-end of transfer RNA
Yang C, Söll D. Covalent attachment of fluorescent groups to the 5′-end of transfer RNA. Archives Of Biochemistry And Biophysics 1973, 155: 70-81. PMID: 4351348, DOI: 10.1016/s0003-9861(73)80010-4.Peer-Reviewed Original Research
1972
Glutamyl Transfer Ribonucleic Acid Synthetase of Escherichia coli I. PURIFICATION AND PROPERTIES
Lapointe J, Söll D. Glutamyl Transfer Ribonucleic Acid Synthetase of Escherichia coli I. PURIFICATION AND PROPERTIES. Journal Of Biological Chemistry 1972, 247: 4966-4974. PMID: 4341531, DOI: 10.1016/s0021-9258(19)44925-9.Peer-Reviewed Original ResearchAdenosine TriphosphateAlkylationAmino AcidsAmino Acyl-tRNA SynthetasesAnimalsCatalysisCentrifugation, ZonalChromatographyDiphosphatesDrug StabilityElectrophoresisElectrophoresis, DiscEscherichia coliGlutamatesHot TemperatureHydroxyapatitesIsoelectric FocusingMacromolecular SubstancesMolecular WeightOxidation-ReductionPhosphorus IsotopesRabbitsUltracentrifugationGlutamyl Transfer Ribonucleic Acid Synthetase of Escherichia coli II. INTERACTION WITH INTACT GLUTAMYL TRANSFER RIBONUCLEIC ACID
Lapointe J, Söll D. Glutamyl Transfer Ribonucleic Acid Synthetase of Escherichia coli II. INTERACTION WITH INTACT GLUTAMYL TRANSFER RIBONUCLEIC ACID. Journal Of Biological Chemistry 1972, 247: 4975-4981. PMID: 4341532, DOI: 10.1016/s0021-9258(19)44926-0.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmino Acyl-tRNA SynthetasesCarbon IsotopesCatalysisCentrifugation, Density GradientDiphosphatesDrug StabilityEscherichia coliGlutamatesHot TemperatureHydrogen-Ion ConcentrationKineticsLeucineMagnesiumPhosphorus IsotopesProtein BindingRNA, TransferSpectrometry, FluorescenceValineConceptsGlutamyl-transfer ribonucleic acid synthetaseEscherichia coli IITransfer ribonucleic acidTRNA-GluTRNA-ValTRNA-LeuCognate tRNABiological specificityRibonucleic acidPure enzymeEnzymeSimilar Km valuesComplex formationGradient centrifugationSynthetaseKm valuesFluorescence-quenching studiesTRNAIsoacceptorsComplexesFluorescence quenching studiesHeat inactivationInactivationLeuGluN6 - (Δ2 - Isopentenyl) Adenosine: Biosynthesis in vitro in transfer RNA by an enzyme purified from Eschericha coli
Bartz J, Söll D. N6 - (Δ2 - Isopentenyl) Adenosine: Biosynthesis in vitro in transfer RNA by an enzyme purified from Eschericha coli. Biochimie 1972, 54: 31-39. PMID: 4346747, DOI: 10.1016/s0300-9084(72)80035-x.Peer-Reviewed Original Research