MethanococcusDatabases, ProteinEuryarchaeotaArchaeal ProteinsComputational BiologyGenes, ArchaealGene Expression Regulation, ArchaealMethanococcalesArchaeaDNA, ArchaealRNA, ArchaealMolecular Sequence DataMethaneFormate DehydrogenasesAmino Acid SequenceMethanococcaceaeFormatesRiboflavinGenome, ArchaealMesnaGlyceryl EthersMethanobacterialesArchaeoglobusHydrogenHydrogenaseSelenium-Binding ProteinsSequence Homology, Amino AcidEscherichia coliBase SequenceMethanobacterium