| CDS description | CDS accession | Island | Host Description |
|---|
| Ni,Fe-hydrogenase maturation factor | NC_007626:1746475:1783125 | NC_007626:1746475 | Magnetospirillum magneticum AMB-1, complete genome |
| Ni,Fe-hydrogenase maturation factor | NC_003869:1643682:1645486 | NC_003869:1643682 | Thermoanaerobacter tengcongensis MB4, complete genome |