┌─ fig|1040638.4.peg.3685 O104:H4 (1-487/500) str. LB226692 (3)  
                                                                       ┌┴─ Escherichia coli (1-487/500) B171 (25)  
                                                                      ┌┴─ Escherichia coli (1-487/500) SE11   
                                                                     ┌┴─ Escherichia coli (1-487/500) MS 198-1   
                                                                    ┌┴─ Escherichia coli (1-487/500) K12 (31)  
                                                                   ┌┴─ Escherichia coli (1-487/500) HS (1)  
                                                                  ┌┴┬─ Escherichia coli (1-487/500) 1044A (17)  
                                                                  │ └┬─ Escherichia coli (1-487/500) 1125A (11)  
                                                                  │  └┬─ Escherichia coli (1-474/487) E2348/69   
┌─────────────────────────────────────────────────────────────────┤   └┬─ Escherichia coli (1-487/500) 2362-75 (25)  
│                                                                 │    └─ Escherichia coli (1-487/500) M605   
│                                                                 └─ Escherichia coli (1-474/487) 042   
┤                                                                 ┌─ Escherichia coli (1-476/483) MS 107-1   
│                                                                 │     ┌─ Escherichia coli (4-482/489) 2362-75 (1)  
│                                                                 │    ┌┴─ Escherichia coli (4-482/489) IAI39 (2)  
└─────────────────────────────────────────────────────────────────┤   ┌┴─ Escherichia coli (4-482/489) M718   
                                                                  │  ┌┴─ Escherichia coli (4-482/490) MS 21-1 (7)  
                                                                  │ ┌┴─ Escherichia coli (4-482/489) TA280   
                                                                  │┌┴─ Escherichia coli (4-482/489) 042 (2)  
                                                                  └┤┌─ Escherichia coli (4-482/489) K12 (29)  
                                                                   └┤┌─ fig|1040638.4.peg.2121 O104:H4 (4-482/489) str. LB226692 (25)  
                                                                    └┤ ┌─ Escherichia coli (4-482/489) NC101   
                                                                     └┬┴─ Escherichia coli (4-482/489) WV_060327   
                                                                      └┬─ Escherichia coli (4-482/489) 536 (23)  
                                                                       └┬─ Escherichia coli (4-482/489) O157:H7 EDL933   
                                                                        └─ Escherichia coli (4-482/489) 1044A (22)  
  
Di/tripeptide permease DtpB (13)
Di/tripeptide permease DtpA (11)
Others (2)