C

Fumarate reductase, iron sulfur protein

Aldehyde ferredoxin oxidoreductase

Methyl-viologen-reducing hydrogenase delta subunit

NIL domain-containing protein

2-oxoglutarate synthase

Iron-sulfur cluster binding protein

4Fe-4S ferredoxin iron-sulfur binding domain-containing protein

Malic protein NAD-binding protein

Hydroxylamine reductase

Protein FdhD homolog