1997
Glutamyl-tRNA sythetase.
Freist W, Gauss D, Söll D, Lapointe J. Glutamyl-tRNA sythetase. Biological Chemistry 1997, 378: 1313-29. PMID: 9426192.Peer-Reviewed Original ResearchConceptsGlutamyl-tRNA synthetaseGlutaminyl-tRNA synthetaseAminoacyl-tRNA synthetasesNegative eubacteriaBacterial glutamyl-tRNA synthetasesATP/PPiHigh molecular mass complexesClass I aminoacyl-tRNA synthetasesCytoplasm of eukaryotesE. coli GlnRSGlutamyl-tRNA synthetasesMolecular mass complexesN-terminal halfC-terminal halfAmino acid residuesDihydrouridine (DHU) armPhylogenetic studiesSpecific amidotransferaseGlutamyl-prolylMass complexesTRNA synthetasesCognate tRNAAcid residuesAcceptor stemSynthetases
1996
Escherichia 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
1994
Thiobacillus ferrooxidans tyrosyl-tRNA synthetase functions in vivo in Escherichia coli
Salazar O, Sagredo B, Jedlicki E, Söll D, Weygand-Durasevic I, Orellana O. Thiobacillus ferrooxidans tyrosyl-tRNA synthetase functions in vivo in Escherichia coli. Journal Of Bacteriology 1994, 176: 4409-4415. PMID: 7517395, PMCID: PMC205654, DOI: 10.1128/jb.176.14.4409-4415.1994.Peer-Reviewed Original ResearchMeSH KeywordsAcidithiobacillus thiooxidansAmino Acid SequenceBase SequenceGene Expression Regulation, BacterialGenes, BacterialGenetic Complementation TestMolecular Sequence DataMutationNucleic Acid HybridizationOperonPromoter Regions, GeneticRNA, BacterialRNA, RibosomalRNA, Transfer, TyrSequence Analysis, DNATyrosine-tRNA LigaseConceptsOverall identityTyrosyl-tRNA synthetase geneRho-independent transcription terminatorEscherichia coli TyrRSClass I aminoacyl-tRNA synthetasesRibosomal RNA operonSingle-copy geneAminoacyl-tRNA synthetasesTyrosyl-tRNA synthetasesSouthern blot analysisRNA operonBioleaching of mineralsThermosensitive mutationTranscription unitTranscription terminatorSynthetase genePutative promoterProtein sequencesSynthetase functionE. coli strainsGenesSignature sequencesEscherichia coliAmino acidsDNA probes
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: 5201-5208. 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 ISynthetase