GO:0051536

Succinate dehydrogenase/fumarate reductase iron-sulfur subunit // Methanosarcina type heterodisulfide reductase subunit D (NCBI)
Oxidoreductase, nitrogenase component 1 (NCBI)
heterodisulfide reductase, subunit A (NCBI)
FO synthase, subunit CofH (NCBI)
FO synthase, subunit CofH (NCBI)
FO synthase, subunit CofG (NCBI)
TonB-dependent receptor protein:Biotin synthase (NCBI)
Lysine 2,3-aminomutase (NCBI)
Radical SAM domain protein
Nitrogenase protein alpha chain