| CDS description | CDS accession | Island | Host Description |
|---|
| 23Sk ribosomal RNA | NC_003030:3324834:3332865 | NC_003030:3324834 | Clostridium acetobutylicum ATCC 824, complete genome |
| 23Sk ribosomal RNA | NC_015687:3326461:3334492 | NC_015687:3326461 | Clostridium acetobutylicum DSM 1731 chromosome, complete genome |