| CDS description | CDS accession | Island | Host Description |
|---|
| type I restriction enzyme, modification chain | NC_003272:3275413:3278898 | NC_003272:3275413 | Nostoc sp. PCC 7120, complete genome |
| type I restriction enzyme, modification chain | NC_003272:3275413:3280875 | NC_003272:3275413 | Nostoc sp. PCC 7120, complete genome |