Archaeal ProteinsRNA, ArchaealDNA, ArchaealGenes, ArchaealArchaeaGenome, ArchaealArchaeal VirusesMolecular Sequence DataGene Expression Regulation, ArchaealPhylogenyEukaryotic CellsAmino Acid SequenceBase SequenceSulfolobusMethanobacteriaceaeMethanococcalesCrenarchaeotaEukaryotaChromosomes, ArchaealEvolution, MolecularMethanococcusSulfolobus solfataricusSequence AlignmentHaloferax volcaniiSequence Homology, Amino AcidPyrococcus furiosusRibosome Subunits, Large, ArchaealRibosomal ProteinsSequence Analysis, DNACloning, MolecularBacteriaPyrococcus abyssiArchaeoglobus fulgidusTranscription, GeneticMethanosarcinaSulfolobus acidocaldariusSaccharomyces cerevisiaeConserved SequencePyrococcus horikoshiiBacterial ProteinsMutationSequence Homology, Nucleic AcidModels, MolecularProkaryotic CellsProtein Structure, TertiaryMultigene FamilyEuryarchaeotaAcidianusThermoplasmaMethaneUbiquitin ThiolesteraseRNA, Ribosomal, 16SGene Transfer, HorizontalSaccharomyces cerevisiae ProteinsGenes, BacterialEscherichia coliPyrococcusRNA, MessengerDNANanoarchaeotaPromoter Regions, GeneticSpecies SpecificityProtein BindingIntronsDNA PrimersDNA, RibosomalDNA-Binding ProteinsNucleic Acid ConformationGlyceryl EthersBinding SitesGeologic SedimentsMethanobacteriumPolymerase Chain ReactionCrystallography, X-RayOpen Reading FramesGenesRNA, TransferBiological EvolutionGene Expression RegulationThermoproteaceaeRNA, RibosomalPlasmidsCarrier ProteinsMethanosarcinalesTranscription FactorsMethanobacterialesDNA, BacterialSeawaterThiolester HydrolasesGenome, BacterialRibosome Subunits, Small, ArchaealModels, GeneticFungal ProteinsCodonBiodiversityProtein SubunitsGenetic VariationRestriction MappingRecombinant ProteinsProtein Conformation