┌─────────────────────────────────────────────────────────── Escherichia coli (134-226/226) 1212A (25)  
┤                                                  ┌─ Escherichia coli (139-217/230) MS 182-1 (7)  
│                         ┌────────────────────────┴─── Escherichia coli (138-216/229) MS 21-1 (4)  
└─────────────────────────┤                                       ┌── Escherichia coli (139-230/230) B088   
                          └──────────────┬────────────────────────┴─ Escherichia coli (139-230/230) B7A (9)  
                                         └───────────┬─ Escherichia coli (139-219/231) TA206   
                                                     └────┬─ Escherichia coli (139-230/230) 55989 (1)  
                                                          └─┬─ Escherichia coli (139-230/230) B354   
                                                            └─ Escherichia coli (139-219/230) H591   
  

  
Phage DNA transfer protein
 (9)