CarbonGlutamineNitrogenAmidesUbiquitin-Protein LigasesGlutamate-Ammonia LigaseDNA LigasesTissue DonorsSKP Cullin F-Box Protein LigasesNitrogen FixationCarbon DioxideNitrogen IsotopesCarbon MonoxideBlood DonorsNanotubes, CarbonAmmoniaLiving DonorsGlutaminaseCullin ProteinsUbiquitinationMolecular Sequence DataNitrogen CompoundsCarbon IsotopesPolynucleotide LigasesNitrogen CycleUbiquitinBlood Urea NitrogenNitrogen DioxideAmino Acid SequenceAmino AcidsCoenzyme A LigasesRING Finger DomainsMethionine SulfoximineCarbon Monoxide PoisoningKineticsUbiquitin-Conjugating EnzymesReactive Nitrogen SpeciesGlutamatesPII Nitrogen Regulatory ProteinsDiazooxonorleucineMutationGlutamate SynthaseQuaternary Ammonium CompoundsSubstrate SpecificityRNA Ligase (ATP)Glutamic AcidMagnetic Resonance SpectroscopyAmidohydrolasesNitrogen OxidesNitratesEscherichia coliModels, MolecularUreaProtein BindingCarbon TetrachlorideBacterial ProteinsKetoglutaric AcidsHydrogen-Ion ConcentrationProtein Structure, TertiaryBase SequenceCarbon SequestrationAmide SynthasesAlanineF-Box ProteinsBinding SitesCatalysisOxidation-ReductionEndosomal Sorting Complexes Required for TransportGlutamate DehydrogenaseGlucoseUbiquitinsSequence Homology, Amino AcidProteasome Endopeptidase ComplexCarbon DisulfideCulture MediaBiomassTime FactorsMolecular StructureStructure-Activity RelationshipProtein ConformationFertilizersPeptide SynthasesSoilModels, BiologicalSaccharomyces cerevisiaeAsparagineAspartic AcidHydrogenAdenosine MonophosphateTemperatureCloning, MolecularPolyubiquitinLysineUbiquitin-Protein Ligase ComplexesLiverCarbon RadioisotopesCitric Acid CycleNitrogenaseNitrogenous Group TransferasesPeptides