| Role | Gene | Name | |
|---|
| CRISPR-associated RecB family exonuclease Cas4a | No genes | | |
| CRISPR-associated RecB family exonuclease Cas4b | No genes | | |
| CRISPR-associated helicase Cas3 | No genes | | |
| CRISPR-associated helicase Cas3, protein | No genes | | |
| CRISPR-associated negative autoregulator | No genes | | |
| CRISPR-associated protein Cas1 | Ac3H11_1813 | | |
| CRISPR-associated protein Cas2 | No genes | | |
| CRISPR-associated protein Cas7 | No genes | | |
| CRISPR-associated protein MTH1087 | No genes | | |
| CRISPR-associated protein, CT1133 family | No genes | | |
| CRISPR-associated protein, CT1134 family | No genes | | |
| CRISPR-associated protein, CT1972 family | No genes | | |
| CRISPR-associated protein, CT1973 family | No genes | | |
| CRISPR-associated protein, CT1974 | No genes | | |
| CRISPR-associated protein, CT1975 family | No genes | | |
| CRISPR-associated protein, CT1976 | No genes | | |
| CRISPR-associated protein, Csn1 family | No genes | | |
| CRISPR-associated protein, MJ0381 family | No genes | | |
| CRISPR-associated protein, SAG0894 family | No genes | | |
| CRISPR-associated protein, TM1800 family | No genes | | |
| CRISPR-associated protein, TM1801 family | No genes | | |
| CRISPR-associated protein, TM1802 family | No genes | | |
| CRISPR-associated protein, WS1616 family | No genes | | |
| corresponds to STY3070 from Accession AL513382: Salmonella typhi CT18 | No genes | | |