| AD families | AD genes | Defense system | CLAN ID | Phages/MGEs | References | Description |
|---|---|---|---|---|---|---|
| APIS130 | RacC | Retron | CLAN054 | prophage of Escherichia coli str. K-12 substr. MG1655 | PMID:35850148 | RacC is a Rac prophage gene, function as retron TA blocker. It directly blocks RcaT toxicity, inhibit the toxin of abortive infection systems. |