2012
Yeast mitochondrial threonyl-tRNA synthetase recognizes tRNA isoacceptors by distinct mechanisms and promotes CUN codon reassignment
Ling J, Peterson KM, Simonović I, Cho C, Söll D, Simonović M. Yeast mitochondrial threonyl-tRNA synthetase recognizes tRNA isoacceptors by distinct mechanisms and promotes CUN codon reassignment. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 3281-3286. PMID: 22343532, PMCID: PMC3295322, DOI: 10.1073/pnas.1200109109.Peer-Reviewed Original ResearchMeSH KeywordsAeropyrumAmino Acid SequenceAnticodonCatalytic DomainCodonCrystallography, X-RayEscherichia coliEvolution, MolecularLeucineMitochondriaModels, MolecularMolecular Sequence DataProtein ConformationProtein Structure, TertiaryRNA EditingRNA, Transfer, Amino AcylSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence AlignmentSpecies SpecificityStaphylococcus aureusSubstrate SpecificityThreonineThreonine-tRNA LigaseConceptsThreonyl-tRNA synthetaseAnticodon loopAnticodon sequenceEscherichia coli ThrRSSet of tRNAsDistinct recognition mechanismsAnticodon-binding domainAminoacyl-tRNA synthetasesCUN codonsDetailed structural comparisonCodon reassignmentYeast mitochondriaGenetic codeTRNA isoacceptorsSaccharomyces cerevisiaeIsoacceptor tRNAsEditing domainTRNAMST1Anticodon tripletStructural comparisonNatural tRNAAmino acidsDistinct mechanismsRecognition mechanism
2011
Rational design of an evolutionary precursor of glutaminyl-tRNA synthetase
O’Donoghue P, Sheppard K, Nureki O, Söll D. Rational design of an evolutionary precursor of glutaminyl-tRNA synthetase. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 20485-20490. PMID: 22158897, PMCID: PMC3251134, DOI: 10.1073/pnas.1117294108.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acyl-tRNA SynthetasesBase SequenceCodonEscherichia coliEvolution, MolecularGenetic EngineeringKineticsMethanobacteriaceaeModels, MolecularMolecular ConformationMolecular Sequence DataNucleic Acid ConformationPhylogenyProtein Structure, SecondarySequence Homology, Amino AcidConceptsGlutaminyl-tRNA synthetaseAminoacyl-tRNA synthetasesGenetic code engineeringAmino acidsDomains of lifeMost aminoacyl-tRNA synthetasesGlutamyl-tRNA synthetaseCanonical amino acidsBacterial GlnRSTRNA specificityTRNA pairsParticular codonsEvolutionary precursorBiochemical characterizationStem loopGlnRAdditional codonsCAA codonCodonProtein synthesisCAG codonEscherichia coliSpecific enzymesCatalytic preferenceSynthetase
2010
Structure of an archaeal non-discriminating glutamyl-tRNA synthetase: a missing link in the evolution of Gln-tRNAGln formation
Nureki O, O’Donoghue P, Watanabe N, Ohmori A, Oshikane H, Araiso Y, Sheppard K, Söll D, Ishitani R. Structure of an archaeal non-discriminating glutamyl-tRNA synthetase: a missing link in the evolution of Gln-tRNAGln formation. Nucleic Acids Research 2010, 38: 7286-7297. PMID: 20601684, PMCID: PMC2978374, DOI: 10.1093/nar/gkq605.Peer-Reviewed Original ResearchConceptsNon-discriminating glutamyl-tRNA synthetaseGlutamyl-tRNA synthetaseND-GluRSEscherichia coli GlnRSFormation of GlnCognate tRNA moleculesGlutaminyl-tRNA synthetaseAnticodon-binding domainEvolutionary predecessorPhylogenetic analysisGenetic codeMolecular basisTRNA moleculesRecognition pocketGlnRGenetic encodingAmino acidsSpecific ligationStructural determinantsKey eventsSynthetaseGluPromiscuous recognitionGluRGln
2009
The Human SepSecS-tRNASec Complex Reveals the Mechanism of Selenocysteine Formation
Palioura S, Sherrer RL, Steitz TA, Söll D, Simonović M. The Human SepSecS-tRNASec Complex Reveals the Mechanism of Selenocysteine Formation. Science 2009, 325: 321-325. PMID: 19608919, PMCID: PMC2857584, DOI: 10.1126/science.1173755.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acyl-tRNA SynthetasesBase SequenceBiocatalysisCatalytic DomainCrystallography, X-RayHumansHydrogen BondingModels, MolecularMolecular Sequence DataNucleic Acid ConformationPhosphatesPhosphoserineProtein ConformationProtein MultimerizationProtein Structure, SecondaryRNA, Transfer, Amino Acid-SpecificRNA, Transfer, Amino AcylSelenocysteineConceptsTransfer RNASelenocysteine formationSelenocysteinyl-tRNA synthaseCognate transfer RNAEnzyme active siteTRNA bindingActive siteConformational changesEnzyme assaysAmino acidsFree phosphoserinePhosphoserineSepSecSFinal stepSelenocysteineBiosynthesisComplexesRNAMechanismBindsCrystal structureSynthaseBindingFormationAssaysA Cytidine Deaminase Edits C to U in Transfer RNAs in Archaea
Randau L, Stanley BJ, Kohlway A, Mechta S, Xiong Y, Söll D. A Cytidine Deaminase Edits C to U in Transfer RNAs in Archaea. Science 2009, 324: 657-659. PMID: 19407206, PMCID: PMC2857566, DOI: 10.1126/science.1170123.Peer-Reviewed Original ResearchConceptsTransfer RNAArchaeon Methanopyrus kandleriTertiary coreCytidine deaminase domainsTRNA genesTransfer RNAsTHUMP domainProper foldingU editingC deaminationMethanopyrus kandleriTRNA tertiary structureDeaminase domainTertiary structureTRNA tertiary corePosition 8Cytidine deaminaseUnique familyArchaeaRNAsGenesRNAFoldingDomainCrystal structure
2008
Pyrrolysyl-tRNA synthetase–tRNAPyl structure reveals the molecular basis of orthogonality
Nozawa K, O’Donoghue P, Gundllapalli S, Araiso Y, Ishitani R, Umehara T, Söll D, Nureki O. Pyrrolysyl-tRNA synthetase–tRNAPyl structure reveals the molecular basis of orthogonality. Nature 2008, 457: 1163-1167. PMID: 19118381, PMCID: PMC2648862, DOI: 10.1038/nature07611.Peer-Reviewed Original ResearchConceptsAmino acidsMolecular basisLast universal common ancestorUniversal common ancestorUAG stop codonProteinogenic amino acidsCommon ancestorSuppressor tRNAStop codonDesulfitobacterium hafnienseStandard amino acidsTRNADistinct interactionsProteinPyrrolysinePylRSSelenocysteineAncestorCodonMachineryAcidVivoPairsCharacterization and evolutionary history of an archaeal kinase involved in selenocysteinyl-tRNA formation
Sherrer RL, O’Donoghue P, Söll D. Characterization and evolutionary history of an archaeal kinase involved in selenocysteinyl-tRNA formation. Nucleic Acids Research 2008, 36: 1247-1259. PMID: 18174226, PMCID: PMC2275090, DOI: 10.1093/nar/gkm1134.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphatasesAdenosine TriphosphateAmino Acid SequenceArchaeal ProteinsBinding SitesEvolution, MolecularKineticsMethanococcalesModels, MolecularMutationPhosphotransferasesPhylogenyProtein Structure, TertiaryRNA, Transfer, Amino AcylSequence AlignmentSingle-Strand Specific DNA and RNA EndonucleasesSubstrate SpecificityConceptsATPase active sitePhosphate-binding loopInduced fit mechanismRxxxR motifEvolutionary historyWalker BKinase familyPhylogenetic analysisSep-tRNARelated kinasesPSTKBiochemical characterizationSynthase convertsFit mechanismKinaseATPase activityPlasmodium speciesMotifActive siteSerHigh affinityDecreased activityArchaeaSepSecSSer18
2006
Structure of the unusual seryl‐tRNA synthetase reveals a distinct zinc‐dependent mode of substrate recognition
Bilokapic S, Maier T, Ahel D, Gruic‐Sovulj I, Söll D, Weygand‐Durasevic I, Ban N. Structure of the unusual seryl‐tRNA synthetase reveals a distinct zinc‐dependent mode of substrate recognition. The EMBO Journal 2006, 25: 2498-2509. PMID: 16675947, PMCID: PMC1478180, DOI: 10.1038/sj.emboj.7601129.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmino Acid SequenceAnimalsArchaeal ProteinsBinding SitesCrystallography, X-RayDimerizationEnzyme ActivationHumansMethanosarcina barkeriModels, MolecularMolecular Sequence DataMolecular StructureProtein Structure, QuaternarySequence AlignmentSequence Homology, Amino AcidSerineSerine-tRNA LigaseSubstrate SpecificityThreonineConceptsSeryl-tRNA synthetaseTRNA-binding domainMinimal sequence similarityResolution crystal structureAmino acid substratesActive site zinc ionSequence similaritySubstrate recognitionSerRSsSerine substrateMotif 1Methanogenic archaeaMutational analysisProtein ligandsEnzymatic activityArchaeaAminoacyl-tRNA synthetase systemsDistinct mechanismsAbsolute requirementRecognition mechanismSynthetase systemSynthetaseIon ligandsZinc ionsEucaryotes
2004
Cys-tRNACys formation and cysteine biosynthesis in methanogenic archaea: two faces of the same problem?
Ambrogelly A, Kamtekar S, Sauerwald A, Ruan B, Tumbula-Hansen D, Kennedy D, Ahel I, Söll D. Cys-tRNACys formation and cysteine biosynthesis in methanogenic archaea: two faces of the same problem? Cellular And Molecular Life Sciences 2004, 61: 2437-2445. PMID: 15526152, DOI: 10.1007/s00018-004-4194-9.Peer-Reviewed Original ResearchConceptsMethanogenic archaeaCysteine biosynthesisCellular translation machineryAminoacyl-tRNA synthesisCanonical cysteinyl-tRNA synthetaseAminoacyl-tRNA synthetasesCysteinyl-tRNA synthetaseRecognizable genesTranslation machineryGenome sequenceArchaeaBiosynthesisEssential componentSynthetasesTRNARibosomesGenesMachineryOrganismsSynthetasePossible linkSequenceFormation
2000
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 techniqueSynthetaseAMINOACYL-tRNA SYNTHESIS
Ibba M, Söll D. AMINOACYL-tRNA SYNTHESIS. Annual Review Of Biochemistry 2000, 69: 617-650. PMID: 10966471, DOI: 10.1146/annurev.biochem.69.1.617.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacteriaBacterial InfectionsBiological EvolutionEnzyme InhibitorsHumansModels, MolecularRNA, Transfer, Amino AcylConceptsAminoacyl-tRNA synthesisAmino acidsAminoacyl-tRNA synthetaseEvolutionary facetsWhole-genome sequencingCorresponding tRNAsGenetic codeGenome sequencingAminoacyl-tRNACorresponding anticodonTRNACurrent knowledgeStructural dataRecent studiesAnticodonDetailed pictureAcidSequencingSynthetaseEditingProofreadingSynthesisTranslationDirect attachment
1997
Defining the Active Site of Yeast Seryl-tRNA Synthetase MUTATIONS IN MOTIF 2 LOOP RESIDUES AFFECT tRNA-DEPENDENT AMINO ACID RECOGNITION*
Lenhard B, Filipić S, Landeka I, Škrtić I, Söll D, Weygand-Durašević I. Defining the Active Site of Yeast Seryl-tRNA Synthetase MUTATIONS IN MOTIF 2 LOOP RESIDUES AFFECT tRNA-DEPENDENT AMINO ACID RECOGNITION*. Journal Of Biological Chemistry 1997, 272: 1136-1141. PMID: 8995413, DOI: 10.1074/jbc.272.2.1136.Peer-Reviewed Original ResearchConceptsMotif 2 loopAmino acid recognitionSeryl-tRNA synthetaseClass II aminoacyl-tRNA synthetasesSeryl-tRNA synthetasesYeast seryl-tRNA synthetaseAmino acidsLoss of complementationAminoacyl-tRNA synthetasesActive sitePresence of tRNASteady-state kinetic analysisProkaryotic counterpartsYeast enzymeElevated Km valuesNull allelesConformational changesTRNAAcceptor endSynthetasesGenesATPStructural dataStructural studiesSerine
1996
Glutaminyl‐tRNA synthetase: from genetics to molecular recognition
Ibba M, Hong K, Söll D. Glutaminyl‐tRNA synthetase: from genetics to molecular recognition. Genes To Cells 1996, 1: 421-427. PMID: 9078373, DOI: 10.1046/j.1365-2443.1996.d01-255.x.Peer-Reviewed Original ResearchConceptsEscherichia coli glutaminyl-tRNA synthetaseMajority of tRNAsCorrect amino acidGlutaminyl-tRNA synthetaseAminoacyl-tRNA synthetasesSequence-specific interactionsAmino acid recognitionEfficiency of aminoacylationGenetic codeTRNA selectionGlnRTRNAAmino acidsNoncognate tRNAsCellular viabilityStructural studiesMolecular recognitionSynthetasesAminoacylationComplex displaysGeneticsSynthetaseGlutamineMechanismViabilityTransfer 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: 1983-91. 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 roleGlnTRNAGlnAminoacyl-tRNA Synthetases Optimize Both Cognate tRNA Recognition and Discrimination against Noncognate tRNAs †
Sherman J, Söll D. Aminoacyl-tRNA Synthetases Optimize Both Cognate tRNA Recognition and Discrimination against Noncognate tRNAs †. Biochemistry 1996, 35: 601-607. PMID: 8555233, DOI: 10.1021/bi951602b.Peer-Reviewed Original ResearchConceptsTRNA recognitionNoncognate tRNAsEscherichia coli glutaminyl-tRNA synthetaseWild-type GlnRSGlutaminyl-tRNA synthetaseAminoacyl-tRNA synthetasesNucleic acid interactionsGlutamine tRNAFirst base pairMutational analysisSpecific proteinsTRNAGlnRSequence preferenceMutantsBase pairsAcid interactionsDecreased affinityVivoTRNAGlnAffinitySynthetasesProteinSynthetaseCrystal structureEscherichia coli Tryptophanyl-tRNA Synthetase Mutants Selected for Tryptophan Auxotrophy Implicate the Dimer Interface in Optimizing Amino Acid Binding †
Sever S, Rogers K, Rogers M, Carter C, Söll D. Escherichia coli Tryptophanyl-tRNA Synthetase Mutants Selected for Tryptophan Auxotrophy Implicate the Dimer Interface in Optimizing Amino Acid Binding †. Biochemistry 1996, 35: 32-40. PMID: 8555191, DOI: 10.1021/bi952103d.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBacillus subtilisBase SequenceBinding SitesCloning, MolecularDNA PrimersEscherichia coliGenes, BacterialGeobacillus stearothermophilusHaemophilus influenzaeKineticsMacromolecular SubstancesModels, MolecularMolecular Sequence DataPolymerase Chain ReactionProtein FoldingProtein Structure, SecondaryRecombinant ProteinsRestriction MappingSequence Homology, Amino AcidTryptophanTryptophan-tRNA LigaseConceptsTryptophanyl-tRNA synthetaseDimer interfaceClass I aminoacyl-tRNA synthetasesAminoacyl-tRNA synthetasesAmino acid bindingAmino acid activationActive siteSteady-state kinetic analysisSynthetase mutantsRossmann foldApparent KmKMSKS loopTrp lociProtein structureTrpR proteinTryptophan auxotrophDimeric enzymeAuxotrophic strainsBacillus stearothermophilusAcid bindingEscherichia coliOptimal catalysisAminoacyl adenylatesMutantsMutations
1995
Substrate selection by aminoacyl-tRNA synthetases.
Ibba M, Thomann H, Hong K, Sherman J, Weygand-Durasevic I, Sever S, Stange-Thomann N, Praetorius M, Söll D. Substrate selection by aminoacyl-tRNA synthetases. Nucleic Acids Symposium Series 1995, 40-2. PMID: 8643392.Peer-Reviewed Original Research
1994
Functional communication in the recognition of tRNA by Escherichia coli glutaminyl-tRNA synthetase.
Rogers M, Adachi T, Inokuchi H, Söll D. Functional communication in the recognition of tRNA by Escherichia coli glutaminyl-tRNA synthetase. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 291-295. PMID: 7506418, PMCID: PMC42933, DOI: 10.1073/pnas.91.1.291.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acyl-tRNA SynthetasesAnticodonBacterial ProteinsEscherichia coliGenes, SuppressorModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedProtein Structure, TertiaryRNA, BacterialRNA, TransferStructure-Activity RelationshipSubstrate SpecificityTransfer RNA AminoacylationConceptsEscherichia coli glutaminyl-tRNA synthetaseGlutaminyl-tRNA synthetaseLys-317Genetic selectionOpal suppressorMutant enzymesWild-type GlnRSAsp-235Anticodon-binding domainSingle amino acid changeSite-directed mutagenesisNumber of mutantsAmino acid changesRecognition of tRNAGlnR mutantAnticodon recognitionAdditional mutantsGln mutantGlnRMutantsAcid changesBase pairsSpecificity constantAminoacylationTRNA
1993
Selection of a 'minimal' glutaminyl-tRNA synthetase and the evolution of class I synthetases.
Schwob E, Söll D. Selection of a 'minimal' glutaminyl-tRNA synthetase and the evolution of class I synthetases. The EMBO Journal 1993, 12: 5201-8. PMID: 7505222, PMCID: PMC413784, DOI: 10.1002/j.1460-2075.1993.tb06215.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acyl-tRNA SynthetasesBacterial ProteinsBase SequenceBinding SitesBiological EvolutionEscherichia coliModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedProtein Structure, TertiaryRNA, BacterialRNA, Transfer, GlnRNA, Transfer, SerStructure-Activity RelationshipTransfer RNA AminoacylationConceptsGlutaminyl-tRNA synthetaseAminoacyl-tRNA synthetasesEscherichia coli glutaminyl-tRNA synthetaseClass I aminoacyl-tRNA synthetasesNew recognition specificitiesNon-catalytic domainSubstrate recognition propertiesNon-cognate tRNAsRecognition of tRNACommon ancestorSequence motifsAmber suppressorGenetic codeTRNA substratesCatalytic coreGlnRTRNARecognition specificityDistinct domainsEnzymatic activityElaborate relationshipSynthetasesSpecific roleClass ISynthetaseSelectivity and specificity in the recognition of tRNA by E coli glutaminyl-tRNA synthetase
Rogers M, Weygand-Durašević I, Schwob E, Sherman J, Rogers K, Adachi T, Inokuchi H, Söll D. Selectivity and specificity in the recognition of tRNA by E coli glutaminyl-tRNA synthetase. Biochimie 1993, 75: 1083-1090. PMID: 8199243, DOI: 10.1016/0300-9084(93)90007-f.Peer-Reviewed Original ResearchConceptsOpal suppressor tRNAGlutaminyl-tRNA synthetaseAcceptor stem recognitionSuppressor tRNAEscherichia coli glutaminyl-tRNA synthetaseGenetic selectionAmber suppressor tRNAExtensive mutational analysisRecognition of tRNARNA contactsTRNA transcriptsRelaxed specificityMutational analysisTRNAGlnRAcceptor stemExtensive proteinIndividual functional groupsMutantsSpecific recognitionAnticodonAminoacylationSynthetaseIdentity elementSynthetases