┌──────────────────────────────────────────── Escherichia coli (8-239/249) B171 (3)  
│                                                    ┌─ Escherichia coli (16-276/277) O55:H7 str. CB9615   
│                                                  ┌─┴─ Escherichia coli (16-276/277) O103:H2 str. 12009   
┤                                 ┌────────────────┴─── Escherichia coli (11-276/277) 1044A (24)  
│                    ┌────────────┴───────────────────────────────── Escherichia coli (12-260/264) O157:H7 str. EC4024   
│                    │                 ┌─ Escherichia coli IAI39 (2)  
│                    │                ┌┴─ Escherichia coli 83972 (2)  
└────────────────────┤                │     ┌─ Escherichia coli (41-309/309) NC101 (2)  
                     │                │    ┌┴─ Escherichia coli (33-301/301) F11 (2)  
                     │                │   ┌┴─ Escherichia coli MS 185-1 (1)  
                     │                │  ┌┴─ Escherichia coli SE15   
                     └────────────────┤ ┌┴─ Escherichia coli (33-301/301) APEC O1 (7)  
                                      │┌┴┬─ Escherichia coli B str. REL606 (2)  
                                      ││ └┬─ Escherichia coli H299   
                                      ││  └┬─ Escherichia coli E2348/69 (1)  
                                      ││   └─ Escherichia coli 2362-75   
                                      ││     ┌─ Escherichia coli 536 (1)  
                                      └┤    ┌┴─ Escherichia coli B354   
                                       │   ┌┴─ Escherichia coli WV_060327   
                                       │  ┌┴─ Escherichia coli FVEC1302 (4)  
                                       │ ┌┴─ Escherichia coli (33-301/301) MS 187-1   
                                       │┌┴─ Escherichia coli M605   
                                       └┤┌─ Escherichia coli 042 (1)  
                                        └┤┌─ Escherichia coli MS 78-1   
                                         └┤┌─ Escherichia coli 101-1   
                                          └┤┌─ Escherichia coli 1827-70   
                                           ││ ┌─ Escherichia coli (27-295/295) B185   
                                           └┤┌┴─ Escherichia coli K12 (9)  
                                            ││  ┌─ Escherichia coli E22 (1)  
                                            └┤ ┌┴─ Escherichia coli E110019 (1)  
                                             │┌┴─ Escherichia coli (85-353/353) B088   
                                             ││  ┌─ Escherichia coli (85-353/353) O55:H7 str. CB9615   
                                             └┤ ┌┴─ fig|1040638.4.peg.2307 O104:H4 str. LB226692 (5)  
                                              │┌┴─ Escherichia coli (43-311/311) M718   
                                              └┤┌─ Escherichia coli H591 (1)  
                                               └┤┌─ Escherichia coli SE11   
                                                └┤  ┌─ Escherichia coli (42-310/310) 53638 (3)  
                                                 │ ┌┴─ Escherichia coli HS (1)  
                                                 └┬┴─ Escherichia coli ETEC H10407   
                                                  └┬─ Escherichia coli EC4100B   
                                                   └┬─ Escherichia coli E24377A  [2] 
                                                    └┬─ Escherichia coli MS 124-1   
                                                     └─ Escherichia coli B7A (6)  
  
Leader peptidase (Prepilin peptidase) (EC 3.4.23.43) / N-methyltransferase (EC 2.1.1.-) (41)
Bundle-forming prepilin peptidase BfpP (1)
Others (1)