2006
A Molecular Tunnel Required for Cooperation of an Asparaginase and a Glu‐tRNAGln Kinase in Gln‐tRNA Formation
Sheppard K, Feng L, Oshikane H, Nakamura Y, Fukai S, Nureki O, Söll D. A Molecular Tunnel Required for Cooperation of an Asparaginase and a Glu‐tRNAGln Kinase in Gln‐tRNA Formation. The FASEB Journal 2006, 20: a503-a503. DOI: 10.1096/fasebj.20.4.a503-a.Peer-Reviewed Original ResearchGlu-tRNAGlnMolecular tunnelMost prokaryotesCo-crystal structurePresence of ATPGln-tRNAGlnSequence similarityEvolutionary linkHeterodimeric enzymeStructural insightsGatDEGatDEnzyme showEnzymatic analysisKinaseAmide donorCrystal structureActive siteATPGlnGluProkaryotesArchaeaTransamidationTight coupling
2001
A Single Amidotransferase Forms Asparaginyl-tRNA and Glutaminyl-tRNA in Chlamydia trachomatis *
Raczniak G, Becker H, Min B, Söll D. A Single Amidotransferase Forms Asparaginyl-tRNA and Glutaminyl-tRNA in Chlamydia trachomatis *. Journal Of Biological Chemistry 2001, 276: 45862-45867. PMID: 11585842, DOI: 10.1074/jbc.m109494200.Peer-Reviewed Original ResearchConceptsAsn-tRNAGln-tRNAAminoacyl-tRNAOperon-like arrangementAccurate protein synthesisGlutaminyl-tRNA synthetaseGlutamyl-tRNA synthetaseAminoacyl-tRNA synthetasesAsparaginyl-tRNA synthetaseAspartyl-tRNA synthetaseGat genesAsparaginyl-tRNAGenome sequenceMost bacteriaGlutaminyl-tRNAAmidotransferaseProtein synthesisSynthetasesSynthetaseGenesAmide donorEnzymeAspGluGenome
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
1988
Protein biosynthesis in organelles requires misaminoacylation of tRNA
Schön A, Kannangara C, Cough S, SÖll D. Protein biosynthesis in organelles requires misaminoacylation of tRNA. Nature 1988, 331: 187-190. PMID: 3340166, DOI: 10.1038/331187a0.Peer-Reviewed Original ResearchConceptsProtein biosynthesisOrigin of organellesCrude chloroplast extractAnimal mitochondriaRNA involvementSpecific amidotransferaseTRNA speciesConversion of glutamateBarley chloroplastsChloroplast extractsProtein synthesisTRNAOrganellesSpeciesChloroplastsAminoacylation studiesBiosynthesisAmide donorGlutamineGlnCyanobacteriaAmidotransferaseMisaminoacylationMitochondriaOrganisms