RiboswitchAptamers, NucleotideAptamers, PeptideNucleic Acid ConformationRegulatory Sequences, Ribonucleic AcidNucleotidesRNA FoldingEntomoplasmataceaeRNA, BacterialMolecular Sequence DataBase SequenceThiamine PyrophosphateThermoanaerobacterLigandsRNAS-Adenosylmethionine5' Untranslated RegionsBacillus subtilisNucleoside QBase PairingModels, MolecularBinding SitesUntranslated RegionsAdenineGene Expression Regulation, BacterialPolymorphism, Single NucleotideAdenine NucleotidesRNA, CatalyticScattering, Small AngleMagnesiumTerminator Regions, GeneticGuanineAmino Acid SequenceCobamidesGuanine NucleotidesOligonucleotidesTranscription, GeneticMutationOligoribonucleotidesRNA, MessengerCrystallography, X-RayCloning, MolecularGram-Negative Anaerobic Straight, Curved, and Helical RodsPurine NucleotidesSequence Homology, Nucleic AcidEscherichia coliProtein BindingPyrithiamineAspartate Kinase2-AminopurinePyrimidinonesFlavin MononucleotideKineticsDNAThermodynamicsNucleotide MotifsFusobacterium nucleatumBacterial ProteinsSequence Analysis, DNADirected Molecular EvolutionRNA StabilitySequence Analysis, RNAPurinesBiosensing TechniquesNucleotides, CyclicDNA, CatalyticGuanine Nucleotide Exchange FactorsClostridium acetobutylicumPhylogenySurface Plasmon ResonanceFluorescence Resonance Energy TransferNucleobase Transport ProteinsGlucose-6-PhosphatePyrimidine NucleotidesInverted Repeat SequencesGene LibraryThiamineConserved SequenceGenes, BacterialAdenosine TriphosphateGlutamine-Fructose-6-Phosphate Transaminase (Isomerizing)Second Messenger SystemsProtein FootprintingDNA PrimersStreptavidin