┌─ Escherichia coli (8-77/77) 1044A (51)  
                                                            ┌┴─ Escherichia coli (8-75/77) 042 (1)  
                                                           ┌┴─ Escherichia coli (8-77/77) H299   
┌──────────────────────────────────────────────────────────┴─ Escherichia coli (8-77/77) 536 (7)  
┤                                                   ┌─ Escherichia coli M605   
└───────────────────────────────────────────────────┤     ┌─ fig|1040638.4.peg.186 O104:H4 str. LB226692 (1)  
                                                    └─────┤┌────────── Escherichia coli 53638 (1)  
                                                          └┤┌─ Escherichia coli H299 (3)  
                                                           └┤ ┌─ Escherichia coli (21-92/92) E2348/69 (4)  
                                                            └┬┴─ Escherichia coli ED1a (1)  
                                                             └┬─ Escherichia coli (8-79/79) 042 (38)  
                                                              └┬─ Escherichia coli B185   
                                                               └─── Escherichia coli E24377A   
  

  
CcdA protein (antitoxin to CcdB)
 (11)
  
Putative antitoxin of gyrase inhibiting toxin-antitoxin system
 (1)
  
 Others 
(1)