| AD families | AD genes | Defense system | CLAN ID | Phages/MGEs | References | Description |
|---|---|---|---|---|---|---|
| APIS001 | Apyc1 | pyrimidine cyclase system for antiphage resistance (Pycsar) | CLAN001 | Bsp38 of Bacillus subtilis | PMID:35395152 | SBSphiJ Apyc1 efficiently hydrolyses a wide range of cyclic mononucleotides; 273 Acb1 and 107 Apyc1 phage proteins were identified. |
| APIS041 | CLAN001 | |||||
| APIS044 | CLAN001 | Bacillus phage W.Ph. | ||||
| APIS054 | CLAN001 | |||||
| APIS058 | CLAN001 | |||||
| APIS060 | CLAN001 | |||||
| APIS062 | CLAN001 | |||||
| APIS064 | CLAN001 | |||||
| APIS066 | CLAN001 | |||||
| APIS073 | CLAN001 | |||||
| APIS076 | CLAN001 |