Archaeal ProteinsBacterial ProteinsRNA, ArchaealDNA, ArchaealGenes, ArchaealGenome, ArchaealArchaeaArchaeal VirusesGene Expression Regulation, ArchaealMolecular Sequence DataSulfolobusAmino Acid SequenceMethanobacteriaceaeMethanococcalesEscherichia coliCrenarchaeotaChromosomes, ArchaealBacteriaMethanococcusSulfolobus solfataricusHaloferax volcaniiPhylogenyPyrococcus furiosusRibosome Subunits, Large, ArchaealSequence Homology, Amino AcidPyrococcus abyssiSequence AlignmentBase SequenceModels, MolecularArchaeoglobus fulgidusEscherichia coli ProteinsProtein Structure, TertiaryMethanosarcinaSulfolobus acidocaldariusPyrococcus horikoshiiEvolution, MolecularEukaryotic CellsCrystallography, X-RayCloning, MolecularGenes, BacterialProtein BindingAcidianusMethaneRecombinant ProteinsAntigens, BacterialNanoarchaeotaEuryarchaeotaEukaryotaRumenProtein TransportRNA, BacterialPyrococcusRNA, Ribosomal, 16SPeptostreptococcusThermoplasmaSequence Analysis, DNABacterial Outer Membrane ProteinsGlyceryl EthersGram-Positive BacteriaAbomasumProtein ConformationBinding SitesPeriplasmThermoproteaceaeMutationGeologic SedimentsGenome, BacterialAmmoniaGene Expression Regulation, BacterialMethanobacteriumVirulence FactorsRecombinant Fusion ProteinsMethanosarcinalesSubstrate SpecificityMethanobacterialesConserved SequenceAdhesins, BacterialBacterial ToxinsProtein Sorting SignalsRibosome Subunits, Small, ArchaealPeptide Elongation Factor TuDNA, BacterialMembrane ProteinsPlasmidsFlagellinBacterial Physiological PhenomenaStructural Homology, ProteinHost-Pathogen InteractionsProtein Synthesis InhibitorsAdenosine TriphosphatasesProtein Structure, SecondaryDesulfurococcaceaeAmino Acid MotifsNitrogenSpecies SpecificityLegionella pneumophilaBacterial Secretion SystemsSeawaterKineticsAnti-Bacterial Agents