| CDS description | CDS accession | Island | Host Description |
|---|
| type III R-M system modification enzyme | NC_018939:1583653:1600125 | NC_018939:1583653 | Helicobacter pylori 26695 chromosome, complete genome |
| type III R-M system modification enzyme | NC_017371:1601452:1617692 | NC_017371:1601452 | Helicobacter pylori Gambia94/24 chromosome, complete genome |