┌─ Escherichia coli (123-404/418) TA143   
                                                      ┌┴─ Escherichia coli (143-425/438) str. K-12 substr. DH10B   
┌─────────────────────────────────────────────────────┴─ Escherichia coli (143-425/438) B088   
│                                                                       ┌─ Escherichia coli (107-429/439) 83972 (1)  
│                                                                      ┌┴─ Escherichia coli (107-429/439) H299   
┤                                                                     ┌┴─ Escherichia coli (125-447/457) K12 (121)  
│                                                                    ┌┴─ Escherichia coli (125-447/457) 53638 (1)  
│                                                                   ┌┴─ Escherichia coli (125-447/457) MS 21-1 (2)  
│           ┌───────────────────────────────────────────────────────┴─ Escherichia coli (125-447/457) MS 115-1   
└───────────┤                            ┌─ Escherichia coli (132-430/430) 536 (21)  
            └────────────────────────────┤┌─ Escherichia coli (132-430/430) ED1a (1)  
                                         └┤┌─ Escherichia coli (132-430/430) 2362-75 (2)  
                                          ││   ┌─ Escherichia coli (132-430/430) EC4100B   
                                          └┤  ┌┴─ fig|1040638.4.peg.5185 O104:H4 str. LB226692   
                                           │ ┌┴─ Escherichia coli (132-430/430) K12 (50)  
                                           │┌┴─ Escherichia coli (132-430/430) E24377A (1)  
                                           └┤┌─ Escherichia coli (132-430/430) H299 (2)  
                                            ││  ┌─ Escherichia coli (131-429/429) SMS-3-5   
                                            └┤ ┌┴─ Escherichia coli (132-430/430) TA280   
                                             │┌┴─ Escherichia coli (132-430/430) 1044A (8)  
                                             └┤ ┌─ Escherichia coli (132-430/430) MS 21-1   
                                              └┬┴─ Escherichia coli (132-430/430) MS 187-1   
                                               └┬─ Escherichia coli (132-430/430) TA143   
                                                └─ Escherichia coli (132-430/430) B354 (31)  
  
Inner membrane transport protein YbaT (14)
Proline-specific permease proY (6)
Inner membrane protein yjeH (3)
Others (1)