┌─ Escherichia coli (1-311/321) TA280   
                                                                             ┌┴─ Escherichia coli (1-311/321) MS 182-1   
                                                                            ┌┴─ Escherichia coli (1-311/321) K12 (87)  
                                                                           ┌┴─ Escherichia coli (1-311/321) 042 (1)  
                                                                          ┌┴─ Escherichia coli (1-311/321) MS 145-7   
                                                                         ┌┴─ Escherichia coli H591   
                                                                        ┌┤ ┌─ Escherichia coli (1-311/321) WV_060327   
                                                                        │└┬┴─ Escherichia coli (1-311/321) O83:H1 str. NRG 857C   
                                                                       ┌┤ └┬─ Escherichia coli (1-311/321) M605   
                                                                       ││  └─ Escherichia coli (1-311/321) NC101 (1)  
                                                                      ┌┤└─ Escherichia coli (1-311/321) ED1a (1)  
                                                                     ┌┤└─ Escherichia coli (1-311/321) 83972 (13)  
                                                                    ┌┤└─ Escherichia coli (1-311/321) 2362-75 (15)  
                            ┌───────────────────────────────────────┤└─ Escherichia coli (1-311/321) SMS-3-5   
                        ┌───┤                                       └─ Escherichia coli (1-311/321) E2348/69 (1)  
                        │   └────────────────┬─ Escherichia coli (1-337/339) B185 (1)  
                        │                    └┬─ Escherichia coli (1-337/339) ED1a (1)  
                   ┌────┤                     └┬─ Escherichia coli (1-337/339) O111:H- str. 11128   
                   │    │                      └─ Escherichia coli (1-337/339) K12 (72)  
                   │    │                    ┌─── Escherichia coli (1-287/288) O157:H7 str. EC4024   
                   │    └────────────────────┤ ┌─ Escherichia coli (1-305/306) MS 21-1   
                   │                         └─┤┌─ Escherichia coli (1-305/306) O111:H- str. 11128   
                   │                           ││  ┌─ Escherichia coli (1-305/306) 2362-75 (2)  
                   │                           └┤ ┌┴─ Escherichia coli (1-305/306) TA271   
               ┌───┤                            │┌┴─ Escherichia coli (1-305/306) 1044A (24)  
               │   │                            └┤ ┌─ Escherichia coli (1-305/306) K12 (96)  
               │   │                             └┬┴─ Escherichia coli (1-305/306) MS 196-1   
               │   │                              └┬─ Escherichia coli (1-305/306) TA280   
               │   │                               └─ Escherichia coli (1-305/306) CFT073 (1)  
               │   │                         ┌─ Escherichia coli (6-334/340) MS 124-1 (1)  
               │   └─────────────────────────┤┌─ Escherichia coli (6-334/340) EC4100B (1)  
               │                             ││  ┌─ Escherichia coli (6-334/340) K12 (27)  
               │                             └┤ ┌┴─ Escherichia coli (6-334/340) O103:H2 str. 12009   
               │                              │┌┴┬─ Escherichia coli (6-334/340) 53638 (1)  
    ┌──────────┤                              └┤ └─ Escherichia coli (6-334/340) 1827-70   
    │          │                               └┬─ Escherichia coli (6-334/340) MS 107-1   
    │          │                                └┬─ Escherichia coli (6-334/340) M718   
    │          │                                 └┬─ fig|1040638.4.peg.4233 O104:H4 (6-334/340) str. LB226692 (37)  
    │          │                                  └┬─ Escherichia coli (6-334/340) HS (1)  
    │          │                                   └┬─ Escherichia coli (6-334/340) MS 21-1 (2)  
    │          │                                    └┬─ Escherichia coli (6-334/340) IAI39 (1)  
    │          │                                     └┬─ Escherichia coli (6-334/340) 042 (7)  
    │          │                                      └─ Escherichia coli (6-334/340) TA143   
    │          │                               ┌─ Escherichia coli (1-307/314) 2362-75   
    │          └───────────────────────────────┤┌─ Escherichia coli (1-307/314) APEC O1 (6)  
┌───┤                                          └┤┌─ Escherichia coli (1-307/314) 536 (18)  
│   │                                           └┤┌─ Escherichia coli (1-307/314) MS 119-7   
│   │                                            └┤ ┌─ Escherichia coli (1-307/314) IAI39 (3)  
│   │                                             │┌┴─ Escherichia coli (1-307/314) M718   
│   │                                             └┤  ┌─ Escherichia coli (1-307/314) FVEC1302 (3)  
│   │                                              │ ┌┴─ Escherichia coli (1-307/314) H299   
│   │                                              └┬┴─ Escherichia coli (1-307/314) O26:H11 str. 11368   
│   │                                               └┬─ Escherichia coli (1-307/314) K12 (69)  
│   │                                                └┬─ Escherichia coli (1-307/314) MS 116-1   
┤   │                                                 └┬─ Escherichia coli (1-307/314) 1044A (24)  
│   │                                                  └─ Escherichia coli (1-307/314) O55:H7 str. CB9615   
│   └─────────────────────────┬─ Escherichia coli EC4100B   
│                             └┬─ Escherichia coli O26:H11 str. 11368   
│                              └┬─ Escherichia coli O157:H7 EDL933  [2] 
│                               └┬─ Escherichia coli K12 (119)  
│                                └┬─ Escherichia coli TA206   
│                                 └─ Escherichia coli APEC O1 (6)  
│                                              ┌─ Escherichia coli (1-361/364) O111:H- str. 11128 (1)  
│                                              │ ┌─ Escherichia coli (1-361/364) B088   
└──────────────────────────────────────────────┤┌┴─ Escherichia coli (1-361/364) K12 (81)  
                                               ││  ┌─ Escherichia coli (1-361/364) O157:H7 EDL933 (1)  
                                               └┤ ┌┴─ Escherichia coli (1-361/364) H299 (1)  
                                                │┌┴─ Escherichia coli (1-361/364) IAI39 (1)  
                                                ││   ┌─ Escherichia coli (1-361/364) MS 115-1   
                                                └┤  ┌┴─ Escherichia coli (1-361/364) ATCC 8739 (1)  
                                                 │ ┌┴─ Escherichia coli (1-361/364) O55:H7 str. CB9615   
                                                 │┌┴┬─ Escherichia coli (1-361/364) SE11   
                                                 └┤ └─ Escherichia coli (1-361/364) MS 84-1   
                                                  │┌─ Escherichia coli (1-361/364) 83972 (5)  
                                                  └┤┌─ fig|1040638.4.peg.3260 O104:H4 (1-361/364) str. LB226692 (15)  
                                                   └┤ ┌─ Escherichia coli (1-361/364) E22 (2)  
                                                    └┬┴─ Escherichia coli (1-361/364) B171 (1)  
                                                     └┬─ Escherichia coli (1-361/364) B7A (3)  
                                                      └─ Escherichia coli (1-361/364) MS 175-1   
  
Oligopeptide transport system permease protein OppB (TC 3.A.1.5.1) (25)
Peptide transport system permease protein sapB (TC 3.A.1.5.5) (15)
Nickel transport system permease protein NikB (TC 3.A.1.5.3) (13)
Dipeptide transport system permease protein DppB (TC 3.A.1.5.2); putative hemin permease (13)
Dipeptide transport system permease protein DppB (TC 3.A.1.5.2) (4)
Glutothione ABC transporter permease protein (3)
putative peptide transport system integral membrane protein (3)
putative transport system permease protein (1)
Others (2)