| CDS description | CDS accession | Island | Host Description |
|---|
| putative Type I restriction-modification system specificity subunit | NS_000195:219785:250032 | NS_000195:219785 | Candidatus Cloacamonas acidaminovorans |
| putative type I restriction-modification system specificity subunit | NC_015580:293803:296744 | NC_015580:293803 | Novosphingobium sp. PP1Y, complete genome |
| putative Type I restriction-modification system specificity subunit M | NC_016831:4556761:4561353 | NC_016831:4556761 | Salmonella enterica subsp. enterica serovar Gallinarum/pullorum |
| putative type I restriction-modification system specificity subunit | NC_017068:2055500:2066538 | NC_017068:2055500 | Selenomonas ruminantium subsp. lactilytica TAM6421, complete |