Methanococcus maripaludis S2

Pyruvoyl-dependent arginine decarboxylase, PvlArgDC, alpha and beta subunits (NCBI)

Proliferating cell nuclear antigen, PCNA (NCBI)

proteasome-activating nucleotidase (PAN) (NCBI)

Ornithine carbamoyltransferase (NCBI)

Transcriptional repressor of nif and glnA operons (NCBI)

inositol monophosphate related protein (NCBI)

conserved hypothetical protein (NCBI)

conserved hypothetical protein (NCBI)

Oxidoreductase, nitrogenase component 1 (NCBI)

nitrogenase iron protein (nitrogenase component II) (NCBI)