2001
A dual‐specific Glu‐tRNAGln and Asp‐tRNAAsn amidotransferase is involved in decoding glutamine and asparagine codons in Acidithiobacillus ferrooxidans
Salazar J, Zúñiga R, Raczniak G, Becker H, Söll D, Orellana O. A dual‐specific Glu‐tRNAGln and Asp‐tRNAAsn amidotransferase is involved in decoding glutamine and asparagine codons in Acidithiobacillus ferrooxidans. FEBS Letters 2001, 500: 129-131. PMID: 11445070, DOI: 10.1016/s0014-5793(01)02600-x.Peer-Reviewed Original ResearchConceptsOperon-like structureGlutaminyl-tRNA synthetaseGlutamyl-tRNA synthetaseA. ferrooxidansAsparaginyl-tRNA synthetaseTransamidation pathwayGat genesGlu-tRNAGlnBioleaching of mineralsAsn-tRNAAcidithiobacillus ferrooxidansGln-tRNAAsparagine codonsSynthetase enzymeBacillus subtilisAcidophilic bacteriumEscherichia coliBiochemical analysisAmidotransferaseSynthetaseGenes
2000
Domain-specific recruitment of amide amino acids for protein synthesis
Tumbula D, Becker H, Chang W, Söll D. Domain-specific recruitment of amide amino acids for protein synthesis. Nature 2000, 407: 106-110. PMID: 10993083, DOI: 10.1038/35024120.Peer-Reviewed Original ResearchMeSH KeywordsAmidesAmino AcidsArchaeaCloning, MolecularEscherichia coliMethanobacteriumNitrogenous Group TransferasesPeptide BiosynthesisProtein Structure, TertiaryRNA, Transfer, Amino AcylConceptsGlutaminyl-tRNA synthetaseAsparaginyl-tRNA synthetaseProtein synthesisAmino acidsAminoacyl-transfer RNAAmino acid metabolismGlu-tRNAGlnAsn-tRNAProtein biosynthesisGln-tRNAArchaeaTRNASynthetaseAmidotransferaseBacteriaAmidotransferasesDirect evidenceDifferent mechanismsBiosynthesisCentral importanceCrucial stepRNAOrganismsDomainCytoplasmThe heterotrimeric Thermus thermophilus Asp‐tRNAAsn amidotransferase can also generate Gln‐tRNAGln
Becker H, Min B, Jacobi C, Raczniak G, Pelaschier J, Roy H, Klein S, Kern D, Söll D. The heterotrimeric Thermus thermophilus Asp‐tRNAAsn amidotransferase can also generate Gln‐tRNAGln. FEBS Letters 2000, 476: 140-144. PMID: 10913601, DOI: 10.1016/s0014-5793(00)01697-5.Peer-Reviewed Original Research
1998
Glutamyl-tRNAGln amidotransferase in Deinococcus radiodurans may be confined to asparagine biosynthesis
Curnow A, Tumbula D, Pelaschier J, Min B, Söll D. Glutamyl-tRNAGln amidotransferase in Deinococcus radiodurans may be confined to asparagine biosynthesis. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 12838-12843. PMID: 9789001, PMCID: PMC23620, DOI: 10.1073/pnas.95.22.12838.Peer-Reviewed Original ResearchConceptsDeinococcus radioduransD. radiodurans genomeRadiation-resistant bacterium Deinococcus radioduransBiosynthesis of asparagineGlutaminyl-tRNA synthetaseGlutamyl-tRNA synthetaseBacterium Deinococcus radioduransPresence of AsnRSAsparaginyl-tRNA synthetaseAspartyl-tRNA synthetaseAsn-tRNAAsparagine biosynthesisAsparaginyl-tRNAGenomic sequencesGln-tRNAAsparagine synthetaseBiochemical experimentsTransamidation activityGlutaminyl-tRNAProtein synthesisSingle enzymeSynthetaseRadioduransBiosynthesisGenes
1997
Glu-tRNAGln amidotransferase: A novel heterotrimeric enzyme required for correct decoding of glutamine codons during translation
Curnow A, Hong K, Yuan R, Kim S, Martins O, Winkler W, Henkin T, Söll D. Glu-tRNAGln amidotransferase: A novel heterotrimeric enzyme required for correct decoding of glutamine codons during translation. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 11819-11826. PMID: 9342321, PMCID: PMC23611, DOI: 10.1073/pnas.94.22.11819.Peer-Reviewed Original ResearchConceptsTranscriptional unitsGln-tRNAGlnGram-positive eubacteriaHeterotrimeric enzymeGlu-tRNAGlnTranslational apparatusHeterotrimeric proteinGlutamine codonB. subtilisAmidotransferaseSynthetase activityOnly pathwayEnzymeGlutamylEssential componentArchaeaTransamidationEubacteriaOperonCyanobacteriaGATCOrganellesCodonGenesGATAtRNA-dependent amino acid transformations.
Curnow A, Hong K, Yuan R, Söll D. tRNA-dependent amino acid transformations. Nucleic Acids Symposium Series 1997, 2-4. PMID: 9478189.Peer-Reviewed Original ResearchMeSH KeywordsBacillus subtilisEscherichia coliModels, ChemicalNitrogenous Group TransferasesProtein Structure, TertiaryRNA, Bacterial
1995
Divergence of glutamate and glutamine aminoacylation pathways: Providing the evolutionary rationale for mischarging
Rogers K, Söll D. Divergence of glutamate and glutamine aminoacylation pathways: Providing the evolutionary rationale for mischarging. Journal Of Molecular Evolution 1995, 40: 476-481. PMID: 7783222, DOI: 10.1007/bf00166615.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseGlutamine tRNAEukaryotic organismsProkaryotic organismsGln-tRNAGlnHorizontal gene transfer eventsGene transfer eventsGlutaminyl-tRNA synthetasesGram-negative eubacteriaGlutamyl-tRNA synthetaseAminoacyl-tRNA synthetasesAminoacyl-tRNA synthetaseFamily of enzymesEukaryotic organellesPool of glutamateAminoacyl-tRNATRNADifferent cellular mechanismsEvolutionary rationaleProtein synthesisOrganismsAmino acidsTransfer eventsCellular mechanismsSynthetase
1990
Purification and functional characterization of the Glu-tRNA(Gln) amidotransferase from Chlamydomonas reinhardtii.
Jahn D, Kim Y, Ishino Y, Chen M, Söll D. Purification and functional characterization of the Glu-tRNA(Gln) amidotransferase from Chlamydomonas reinhardtii. Journal Of Biological Chemistry 1990, 265: 8059-8064. PMID: 1970821, DOI: 10.1016/s0021-9258(19)39038-6.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmmoniaAsparagineAzo CompoundsBinding SitesChlamydomonasElectrophoresis, Polyacrylamide GelEnzyme ActivationGlutamatesGlutamic AcidGlutamineMagnesiumMolecular WeightNitrogenous Group TransferasesNorleucinePhosphorylationProtein DenaturationRNA, Transfer, Amino AcylSpectrophotometrySubstrate SpecificityTransferasesConceptsChlamydomonas reinhardtiiGlutamyl-tRNA synthetaseGlycerol gradient sedimentationSodium dodecyl sulfate-polyacrylamide gelsDodecyl sulfate-polyacrylamide gelsAmide donorSulfate-polyacrylamide gelsGlutamine-dependent reactionGlutamine amidotransferasesPresence of ATPGreen algaeSpecific amidotransferaseFunctional characterizationGlutaminyl-tRNAAmidotransferaseLow glutaminase activityApparent MrGradient sedimentationAlpha 2 structureReinhardtiiEnzymeATPGlutaminase activityStable complexesAmmonia-dependent reaction