┌─ Escherichia coli (7-486/489) 1044A (22)  
                                                                        ┌┴─ Escherichia coli (7-486/489) O157:H7 EDL933   
                                                                       ┌┴─ Escherichia coli (7-486/489) 536 (23)  
                                                                      ┌┴─ Escherichia coli (2-469/472) MS 185-1   
                                                                     ┌┴┬─ Escherichia coli (7-486/489) WV_060327   
                                                                    ┌┤ └─ Escherichia coli (7-486/489) NC101   
                                                                    │└┬─ Escherichia coli (7-486/489) K12 (29)  
                                                                    │ └┬─ Escherichia coli (7-486/489) 042 (2)  
                                                                   ┌┤  └┬─ Escherichia coli (1-480/483) MS 107-1   
                                                                   ││   └┬─ Escherichia coli (2-469/472) MS 115-1   
                                                                   ││    └─ fig|1040638.4.peg.2121 O104:H4 (7-486/489) str. LB226692 (25)  
                                       ┌───────────────────────────┤└┬─ Escherichia coli (7-486/489) TA280   
                                       │                           │ └─ Escherichia coli (7-486/489) B354 (7)  
                                       │                           └┬─ Escherichia coli (7-486/489) M718   
┌──────────────────────────────────────┤                            └┬─ Escherichia coli (7-486/489) 2362-75 (1)  
│                                      │                             └─ Escherichia coli (7-486/489) IAI39 (2)  
│                                      │                        ┌─ Escherichia coli (19-477/500) HS (1)  
│                                      └────────────────────────┤┌─ Escherichia coli (19-477/500) K12 (31)  
│                                                               └┤┌─ Escherichia coli (19-477/500) MS 198-1   
│                                                                ││  ┌─ Escherichia coli (19-478/500) B171 (25)  
│                                                                └┤ ┌┴─ fig|1040638.4.peg.3685 O104:H4 (19-478/500) str. LB226692 (3)  
│                                                                 │┌┴─ Escherichia coli (19-478/500) SE11   
│                                                                 └┤┌─ Escherichia coli (1-464/487) 042   
│                                                                  └┤ ┌─ Escherichia coli (19-477/500) 1044A (17)  
│                                                                   └┬┴─ Escherichia coli (19-477/500) 1125A (11)  
│                                                                    └┬─ Escherichia coli (1-467/487) E2348/69   
│                                                                     └┬─ Escherichia coli (19-480/500) 2362-75 (25)  
│                                                                      └─ Escherichia coli (19-483/500) M605   
│                                                                         ┌─ fig|1040638.4.peg.1179 O104:H4 str. LB226692 (3)  
│                                                                        ┌┴─ Escherichia coli MS 146-1   
│                                                                       ┌┴┬─ Escherichia coli H591   
│                                                                       │ └─ Escherichia coli K12 (22)  
┤                                                                      ┌┤ ┌─ Escherichia coli EC4100B (1)  
│                                                                      │└┬┴─ Escherichia coli MS 182-1   
│                                                                      │ └┬─ Escherichia coli B171 (1)  
│                                                                     ┌┤  └─ Escherichia coli 101-1 (14)  
│                                                                     ││ ┌─ Escherichia coli 1827-70 (2)  
│                                                                     ││┌┴─ Escherichia coli IAI1 (3)  
│                                                                     │└┤┌─ Escherichia coli 042 (1)  
│                                                                    ┌┤ └┤ ┌─ Escherichia coli 2362-75 (27)  
│                                                                    ││  └┬┴─ Escherichia coli NC101 (1)  
│                                                                    ││   └┬─ Escherichia coli SMS-3-5   
│                                                                    ││    └─ Escherichia coli MS 21-1   
│                                                                   ┌┤└┬─ Escherichia coli B185   
│                                                                   ││ └┬─ Escherichia coli O157:H7 str. EC4024   
│                                                                   ││  └┬─ Escherichia coli M718   
│                                                                  ┌┤│   └─ Escherichia coli 1044A (25)  
│                                                                  ││└─ Escherichia coli TA280   
│                                           ┌──────────────────────┤└─ Escherichia coli TA143   
│                                           │                      └─ Escherichia coli B354 (4)  
│                                           │                       ┌─ Escherichia coli (3-476/493) TA206   
└───────────────────────────────────────────┤                      ┌┴─ Escherichia coli (3-476/493) 2362-75 (4)  
                                            │                     ┌┴─ Escherichia coli (3-476/493) 83972 (17)  
                                            │                    ┌┴─ Escherichia coli (3-476/493) 536 (4)  
                                            │                   ┌┴─ Escherichia coli (3-476/493) IAI39 (1)  
                                            └───────────────────┤┌─ Escherichia coli (3-476/493) SMS-3-5   
                                                                ││┌─ Escherichia coli (3-476/493) H299   
                                                                └┤│   ┌─ Escherichia coli (3-476/493) FVEC1302 (2)  
                                                                 ││  ┌┴─ Escherichia coli (3-476/493) MS 198-1   
                                                                 └┤ ┌┴─ Escherichia coli (3-476/493) ATCC 8739 (1)  
                                                                  │┌┴─ Escherichia coli (3-476/493) 042 (11)  
                                                                  ││ ┌─ Escherichia coli (3-476/493) M718   
                                                                  └┤┌┴─ Escherichia coli (3-476/493) MS 69-1   
                                                                   ││   ┌─ Escherichia coli (3-476/493) O55:H7 str. CB9615   
                                                                   └┤  ┌┴─ Escherichia coli (3-476/493) O157:H7 str. FRIK966   
                                                                    │ ┌┴─ Escherichia coli (3-476/493) 1044A (21)  
                                                                    │┌┴─ Escherichia coli (3-476/493) O157:H7 EDL933 (1)  
                                                                    └┤ ┌─ Escherichia coli (3-476/493) H736 (1)  
                                                                     │┌┴─ Escherichia coli (3-476/493) K12 (14)  
                                                                     └┤ ┌─ Escherichia coli (3-476/493) TA271   
                                                                      └┬┴─ Escherichia coli (3-476/493) MS 182-1   
                                                                       └┬─ Escherichia coli (3-476/493) B171 (5)  
                                                                        └┬─ fig|1040638.4.peg.5056 O104:H4 (3-476/493) str. LB226692 (14)  
                                                                         └┬─ Escherichia coli (3-476/493) E24377A (1)  
                                                                          └─ Escherichia coli (3-476/493) KO11 (2)  
  
Di/tripeptide permease YbgH (24)
Di/tripeptide permease YjdL (21)
Di/tripeptide permease DtpB (15)
Di/tripeptide permease DtpA (11)
Others (4)