Energy metabolism:Methanogenesis

ferredoxin (NCBI)

Basic helix-loop-helix dimerization domain bHLH (NCBI)

conserved hypothetical archaeal protein (NCBI)

N5-methyltetrahydromethanopterin: methyltransferase, subunit H (NCBI)

N5-methyltetrahydromethanopterin: methyltransferase, subunit E (NCBI)

N5-methyltetrahydromethanopterin: methyltransferase, subunit D (NCBI)

H2-forming N5,N10-methylene-tetrahydromethanopterin dehydrogenease (NCBI)