Archaeal ProteinsRNA, ArchaealDNA, ArchaealGenes, ArchaealGenome, ArchaealArchaeaArchaeal VirusesGene Expression Regulation, ArchaealSulfolobusMethanobacteriaceaeMethanococcalesCrenarchaeotaChromosomes, ArchaealMethanococcusSulfolobus solfataricusHaloferax volcaniiPyrococcus furiosusRibosome Subunits, Large, ArchaealPyrococcus abyssiPhylogenyMolecular Sequence DataArchaeoglobus fulgidusMethanosarcinaSulfolobus acidocaldariusPyrococcus horikoshiiAcidianusMethaneBacteriaNanoarchaeotaEuryarchaeotaPyrococcusRNA, Ribosomal, 16SAmino Acid SequenceThermoplasmaGlyceryl EthersThermoproteaceaeGeologic SedimentsMethanobacteriumMethanosarcinalesSequence AlignmentMethanobacterialesRibosome Subunits, Small, ArchaealEvolution, MolecularModels, MolecularSequence Analysis, DNADesulfurococcaceaeSequence Homology, Amino AcidSeawaterNitrificationDNA, RibosomalEukaryotic CellsBase SequenceMethanococcaceaeSulfolobalesCrystallography, X-RayKorarchaeotaBiodiversityHalobacterium salinarumHaloarculaMethanosarcinaceaeSoil MicrobiologyHalorubrumHot SpringsProtein Structure, TertiaryThermosomesMicrobial ConsortiaGenes, rRNARNA, TransferEukaryotaMethanomicrobialesProtein SubunitsHalobacteriaceaeGenome, BacterialRibonuclease PGene Transfer, HorizontalNucleic Acid ConformationWater MicrobiologyConserved SequencePyrobaculumArchaeoglobalesEcosystemAmmoniaThermoproteusArchaeoglobusThermoprotealesSubstrate SpecificityBiotaProtein ConformationTemperatureEscherichia coliProkaryotic Initiation FactorsHalobacterialesChaperoninsRNA, GuideCloning, MolecularPseudouridineBinding SitesWyomingHaloarcula marismortuiProtein Binding