| KEGG ID | KO | Definition |
| dpr:Despr_1357 | K00176 | 4Fe-4S ferredoxin iron-sulfur binding domain protein |
| dml:Dmul_02840 | K00176 | 4Fe-4S ferredoxin iron-sulfur protein |
| dal:Dalk_1630 | K00176 | 4Fe-4S cluster domain protein associated with 2-oxoglutarate synthase |
| dti:Desti_0014 | K00176 | ferredoxin |
| sfu:Sfum_0018 | K00176 | 4Fe-4S ferredoxin, iron-sulfur binding domain protein |