1991
Two glutamyl-tRNA reductase activities in Escherichia coli
Jahn D, Michelsen U, Söll D. Two glutamyl-tRNA reductase activities in Escherichia coli. Journal Of Biological Chemistry 1991, 266: 2542-2548. PMID: 1990004, DOI: 10.1016/s0021-9258(18)52279-1.Peer-Reviewed Original ResearchConceptsReductase activityGlu-tRNA reductaseMolecular massEscherichia coliApparent molecular massDifferent chromatographic separationsSequence-specific recognitionGlycerol gradient centrifugationThree-step conversionTetrapyrrole biosynthesisChlamydomonas reinhardtiiE. coli K12ALA formationChromatographic separationKey enzymeMonomeric structureActive enzymeBacillus subtilisColi K12Nondenaturing conditionsHomogeneous proteinMolecular weightDelta-aminolevulinic acidEnzyme activityAddition of GTPPurification and functional characterization of glutamate-1-semialdehyde aminotransferase from Chlamydomonas reinhardtii.
Jahn D, Chen M, Söll D. Purification and functional characterization of glutamate-1-semialdehyde aminotransferase from Chlamydomonas reinhardtii. Journal Of Biological Chemistry 1991, 266: 161-167. PMID: 1985889, DOI: 10.1016/s0021-9258(18)52416-9.Peer-Reviewed Original ResearchMeSH KeywordsAminooxyacetic AcidCell MembraneChlamydomonasChromatography, DEAE-CelluloseChromatography, GelChromatography, High Pressure LiquidChromatography, Ion ExchangeCyclohexanecarboxylic AcidsElectrophoresis, Polyacrylamide GelIntramolecular TransferasesIsomerasesKineticsMolecular WeightPyridoxal PhosphateConceptsGlutamate-1-semialdehyde aminotransferaseGlutamyl-tRNA synthetaseC5 pathwayChlamydomonas reinhardtiiGreen alga Chlamydomonas reinhardtiiGlu-tRNA reductaseTRNA-dependent transformationChloroplasts of plantsGlutamyl-tRNA reductaseAlga Chlamydomonas reinhardtiiDelta-aminolevulinic acidApparent molecular massWhole cell extractsChlorophyll biosynthesisSodium dodecyl sulfate-polyacrylamide gel electrophoresisC. reinhardtiiDodecyl sulfate-polyacrylamide gel electrophoresisSulfate-polyacrylamide gel electrophoresisRate zonal sedimentationFunctional characterizationThird enzymeGlycerol gradientsCell extractsReinhardtiiMembrane fraction
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 reactionPurification and characterization of Chlamydomonas reinhardtii chloroplast glutamyl-tRNA synthetase, a natural misacylating enzyme.
Chen M, Jahn D, Schön A, O'Neill G, Söll D. Purification and characterization of Chlamydomonas reinhardtii chloroplast glutamyl-tRNA synthetase, a natural misacylating enzyme. Journal Of Biological Chemistry 1990, 265: 4054-4057. PMID: 2303494, DOI: 10.1016/s0021-9258(19)39701-7.Peer-Reviewed Original ResearchConceptsGlutamyl-tRNA synthetaseChloroplast enzymeApparent molecular massSequential column chromatographyChlamydomonas reinhardtiiActive enzymeMolecular massNondenaturing conditionsEscherichia coliDenaturing conditionsAcceptor RNASynthetaseMono S.Mono QEnzymeTRNAReinhardtiiYeastColumn chromatographyRNACytoplasmicProteinBarleyColiReversed phase chromatographyPurification of the glutamyl-tRNA reductase from Chlamydomonas reinhardtii involved in delta-aminolevulinic acid formation during chlorophyll biosynthesis.
Chen M, Jahn D, O'Neill G, Söll D. Purification of the glutamyl-tRNA reductase from Chlamydomonas reinhardtii involved in delta-aminolevulinic acid formation during chlorophyll biosynthesis. Journal Of Biological Chemistry 1990, 265: 4058-4063. PMID: 2303495, DOI: 10.1016/s0021-9258(19)39702-9.Peer-Reviewed Original ResearchConceptsGlu-tRNA reductaseGlutamyl-tRNA reductaseGlu-tRNAChlamydomonas reinhardtiiTRNA-dependent transformationChloroplasts of plantsDelta-aminolevulinic acid formationApparent molecular massChlorophyll biosynthesisGlutamyl-tRNAHomologous tRNAsSecond enzymeActive enzymeMolecular massNondenaturing conditionsDifferent chromatographic separationsCertain bacteriaReductaseDelta-aminolevulinic acidReinhardtiiPorphyrin biosynthesisBiosynthesisStable complexesChromatographic separationCarboxyl groups