2023
Mistranslation of the genetic code by a new family of bacterial transfer RNAs
Schuntermann D, Fischer J, Bile J, Gaier S, Shelley B, Awawdeh A, Jahn M, Hoffman K, Westhof E, Söll D, Clarke C, Vargas-Rodriguez O. Mistranslation of the genetic code by a new family of bacterial transfer RNAs. Journal Of Biological Chemistry 2023, 299: 104852. PMID: 37224963, PMCID: PMC10404621, DOI: 10.1016/j.jbc.2023.104852.Peer-Reviewed Original ResearchConceptsTransfer RNAsAmino acidsBacterial transfer RNAsUnfavorable environmental conditionsProlyl-tRNA synthetaseWrong amino acidPoor substrate specificitySubstrate discriminationGrowth defectTransfer RNAGenetic codePosttranslational modificationsProtein reporterTranslation factorsEnvironmental stressFunctional proteinsSubstrate specificityThreonine codonGenetic informationDistinct isoformsPro mutationAntibiotic carbenicillinEscherichia coliNovel familyEnvironmental conditions
2000
Methanococcus jannaschii Prolyl-Cysteinyl-tRNA Synthetase Possesses Overlapping Amino Acid Binding Sites †
Stathopoulos C, Jacquin-Becker C, Becker H, Li T, Ambrogelly A, Longman R, Söll D. Methanococcus jannaschii Prolyl-Cysteinyl-tRNA Synthetase Possesses Overlapping Amino Acid Binding Sites †. Biochemistry 2000, 40: 46-52. PMID: 11141055, DOI: 10.1021/bi002108x.Peer-Reviewed Original ResearchConceptsAmino acidsTRNA synthetaseProtein translation apparatusCysteinyl-tRNA synthetase activityCognate tRNA speciesSite-directed mutagenesisAmino acid activationAbsence of tRNAAmino acid residuesSynthetase activityTranslation apparatusMethanococcus jannaschiiTRNA speciesCysteine activationUnusual enzymeDifferent amino acidsMutant enzymesCysteine bindingProline bindingProlyl-tRNA synthetase activityAcid residuesAminoacyl-tRNAPosition 103Single enzymeOne Polypeptide with Two Aminoacyl-tRNA Synthetase Activities
Stathopoulos C, Li T, Longman R, Vothknecht U, Becker H, Ibba M, Söll D. One Polypeptide with Two Aminoacyl-tRNA Synthetase Activities. Science 2000, 287: 479-482. PMID: 10642548, DOI: 10.1126/science.287.5452.479.Peer-Reviewed Original ResearchConceptsProlyl-tRNA synthetaseProtein synthesisCysteinyl-tRNA synthetase activityAmino-terminal sequenceSynthetase activityAminoacyl-tRNA synthetase activityCertain archaeaEvolutionary originMethanococcus jannaschiiGenome sequenceSubstrate specificityGenetic analysisSuch organismsMessenger RNARNA synthetasesSynthetaseSequenceArchaeaJannaschiiSynthetasesRNAOrganismsPolypeptideProlylProtein