| CDS description | CDS accession | Island | Host Description |
|---|
| [Fe] hydrogenase | NC_009697:3463736:3488121 | NC_009697:3463736 | Clostridium botulinum A str. ATCC 19397 chromosome, complete |
| [Fe] hydrogenase | NC_009495:3502000:3512133 | NC_009495:3502000 | Clostridium botulinum A str. ATCC 3502 chromosome, complete genome |
| [Fe] hydrogenase | NC_009698:3647955:3669220 | NC_009698:3647955 | Clostridium botulinum A str. Hall chromosome, complete genome |
| [Fe] hydrogenase | NC_012563:3729817:3754207 | NC_012563:3729817 | Clostridium botulinum A2 str. Kyoto, complete genome |
| [Fe] hydrogenase | NC_010520:3580000:3589336 | NC_010520:3580000 | Clostridium botulinum A3 str. Loch Maree, complete genome |
| [Fe] hydrogenase | NC_010516:3845942:3867259 | NC_010516:3845942 | Clostridium botulinum B1 str. Okra, complete genome |
| [Fe] hydrogenase | NC_017297:3594000:3604382 | NC_017297:3594000 | Clostridium botulinum F str. 230613 chromosome, complete genome |
| [Fe] hydrogenase | NC_009699:3581376:3605767 | NC_009699:3581376 | Clostridium botulinum F str. Langeland chromosome, complete genome |
| [Fe] hydrogenase | NC_008261:304000:326518 | NC_008261:304000 | Clostridium perfringens ATCC 13124, complete genome |
| periplasmic [Fe] hydrogenase 1 | NC_004557:2552418:2556219 | NC_004557:2552418 | Clostridium tetani E88, complete genome |