1999
Transfer RNA identity contributes to transition state stabilization during aminoacyl-tRNA synthesis
Ibba M, Sever S, Praetorius-Ibba M, Söll D. Transfer RNA identity contributes to transition state stabilization during aminoacyl-tRNA synthesis. Nucleic Acids Research 1999, 27: 3631-3637. PMID: 10471730, PMCID: PMC148616, DOI: 10.1093/nar/27.18.3631.Peer-Reviewed Original Research
1996
Genetic analysis of functional connectivity between substrate recognition domains ofEscherichia coli glutaminyl-tRNA synthetase
Kitabatake M, Inokuchi H, Ibba M, Hong K, Söll D. Genetic analysis of functional connectivity between substrate recognition domains ofEscherichia coli glutaminyl-tRNA synthetase. Molecular Genetics And Genomics 1996, 252: 717-722. PMID: 8917315, DOI: 10.1007/bf02173978.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseWild-type enzymeSubstrate discriminationDouble mutantSubstrate recognition domainThree-dimensional structureAnticodon recognitionSubstrate specificityTRNA bindingGenetic analysisAcceptor stemRecognition domainC171Ternary complexExtensive interactionsMutantsPotential involvementG mutationEnzymeHigh KmSynthetaseMutationsActive siteE222GlnR
1988
Yeast RNase P: catalytic activity and substrate binding are separate functions.
Nichols M, Söll D, Willis I. Yeast RNase P: catalytic activity and substrate binding are separate functions. Proceedings Of The National Academy Of Sciences Of The United States Of America 1988, 85: 1379-1383. PMID: 3278310, PMCID: PMC279774, DOI: 10.1073/pnas.85.5.1379.Peer-Reviewed Original ResearchConceptsPrecursor tRNAsRNase PSubstrate bindingGel retardationCatalytic functionRibonucleoprotein RNase PDistinct sequence preferencesEnzyme catalytic functionRNase P cleavage siteMature tRNARNase P.Catalytic integrityTRNA precursorsRNA moietyRNA componentSequence preferenceTRNATRNA complexProtein componentsAcceptor stemEnzyme mechanismMaximal cleavageSecond nucleotideCleavage siteEnzyme
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 inactivationInactivationLeuGlu