| AD families | AD genes | Defense system | CLAN ID | Phages/MGEs | References | Description |
|---|---|---|---|---|---|---|
| APIS025 | Had1 | Hachiman | CLAN037 | SBSphiJ4 of B. subtilis | Yirmiya et al., 2023 | Had1 (Hachiman anti-defense 1) is a Hachiman-inhibiting family of phage proteins. The mechanism of Hachiman defense is unknown. |