C

F420-non-reducing hydrogenase subunit delta (NCBI)

A1A0 ATPase, subunit F (NCBI)

A1A0 ATPase, subunit IE (NCBI)

A1A0 ATPase, subunit D (NCBI)

A1A0 ATPase, subunit B (NCBI)

A1A0 ATPase, subunit A (NCBI)

Oxidoreductase, nitrogenase component 1 (NCBI)

nitrogenase iron-molybdenum cofactor biosynthesis protein (NCBI)

Oxidoreductase, nitrogenase component 1 (NCBI)

F420-dependent methylenetetrahydromethanopterin dehydrogenase (NCBI)