| CDS description | CDS accession | Island | Host Description |
|---|
| anaerobic cobalt chelatase CbiK | NC_015687:1508664:1518487 | NC_015687:1508664 | Clostridium acetobutylicum DSM 1731 chromosome, complete genome |
| anaerobic cobalt chelatase cbiK | NC_004557:749330:767134 | NC_004557:749330 | Clostridium tetani E88, complete genome |
| cobalt chelatase cbik | NC_010337:524605:540809 | NC_010337:524605 | Heliobacterium modesticaldum Ice1, complete genome |