RiboswitchRegulatory Sequences, Ribonucleic AcidAptamers, NucleotideNucleic Acid ConformationRNA, BacterialRNA FoldingTandem Repeat SequencesThermoanaerobacterThiamine PyrophosphateEntomoplasmataceaeGenes, Switch5' Untranslated RegionsGene Expression Regulation, BacterialBase SequenceUntranslated RegionsS-AdenosylmethionineRNA, CatalyticTandem Mass SpectrometryLigandsBacillus subtilisMolecular Sequence DataPyrithiamineCobamidesBase PairingModels, MolecularTheophyllineRNAScattering, Small AngleNucleotide MotifsFlavin MononucleotideRNA, MessengerFrancisellaBinding SitesStreptomyces coelicolorGuanineAdeninePurinesThiamineBiochemistryCrystallography, X-RayRNA, UntranslatedThermodynamicsRiboseAlphaproteobacteriaTranscription, GeneticSecond Messenger SystemsVibrio choleraeBacteriaGene Expression RegulationMolecular BiologyGenetic EngineeringRibosomesMagnesiumBacterial ProteinsMutationComputational BiologyMinisatellite RepeatsHydrogen BondingConserved SequenceDrug DesignEscherichia coliProtein BiosynthesisGlycineMolecular StructureSpectrometry, Mass, Electrospray IonizationOpen Reading FramesLysineGenes, ReporterGenetics, MicrobialAlternative SplicingGenes, BacterialSequence AlignmentSequence Homology, Nucleic AcidPhylogenySequence Analysis, RNACyclic GMPChromatography, LiquidSoftwareMass SpectrometryRepetitive Sequences, Nucleic AcidAmino Acid SequenceGenome, Bacterialbeta-GalactosidaseDrug Evaluation, PreclinicalGram-Negative BacteriaLuciferasesKineticsModels, Biological