┌─ Escherichia coli (1-326/494) 1125A (23)  
                                                     ┌┴─ fig|1040638.4.peg.5476 O104:H4 (1-326/494) str. LB226692 (31)  
┌────────────────────────────────────────────────────┴─ Escherichia coli (1-326/494) M718   
│                                                                          ┌─ Escherichia coli (43-402/404) B171 (11)  
│                                                                         ┌┴─ Escherichia coli (16-375/377) E24377A (1)  
│                                                                        ┌┴─ fig|1040638.4.peg.4701 O104:H4 (16-375/377) str. LB226692 (9)  
│                                                                       ┌┴─ Escherichia coli (16-375/377) K12 (26)  
│                                                                      ┌┴┬─ Escherichia coli (43-402/404) E110019 (1)  
│                                                                      │ └┬─ Escherichia coli (16-375/377) IAI1 (1)  
│                                                                      │  └┬─ Escherichia coli (16-375/377) MS 107-1   
│                                                                     ┌┤   └─ Escherichia coli (43-402/404) B088   
│                                                                     ││ ┌─ Escherichia coli (16-375/377) 1044A (45)  
│                                                                     │└┬┴─ Escherichia coli (16-375/377) 2362-75   
│                                                                    ┌┤ └┬─ Escherichia coli (1-341/343) S88   
│                                                                    ││  └─ Escherichia coli (16-375/377) TA280   
│                                                                   ┌┤└─ Escherichia coli (43-402/404) 042 (1)  
┤                                                                   ││ ┌─ Escherichia coli (16-375/377) 83972 (8)  
│                                                                   │└┬┴─ Escherichia coli (16-375/377) MS 69-1   
│                               ┌───────────────────────────────────┤ └┬─ Escherichia coli (16-375/377) 536 (1)  
│                               │                                   │  └┬─ Escherichia coli (16-375/377) MS 200-1   
│                               │                                   │   └─ Escherichia coli (43-402/404) CFT073 (2)  
│                   ┌───────────┤                                   └┬─ Escherichia coli (16-375/377) EC4100B (3)  
│                   │           │                                    └┬─ Escherichia coli (16-375/377) B354   
│                   │           │                                     └─ Escherichia coli (16-375/377) IAI39 (1)  
│                   │           └────────────────────────┬─ Escherichia coli (18-375/378) O83:H1 str. NRG 857C   
│                   │                                    └┬─ Escherichia coli (18-375/378) 1827-70 (11)  
│                   │                                     └┬─ Escherichia coli (18-375/378) TA280   
│                   │                                      └─ Escherichia coli (18-375/378) K12 (61)  
│                   │                  ┌─ Escherichia coli NC101   
│                   │                 ┌┴─ Escherichia coli WV_060327   
└───────────────────┤                ┌┴─ Escherichia coli 83972 (5)  
                    │               ┌┴┬─ Escherichia coli 2362-75 (10)  
                    │               │ └┬─ Escherichia coli APEC O1 (5)  
                    │              ┌┤  └─ Escherichia coli TA206   
                    │              │└┬─ Escherichia coli M605   
                    │             ┌┤ └┬─ Escherichia coli HS   
                    │             ││  └─ Escherichia coli 1827-70 (6)  
                    │             │└─ Escherichia coli SE15   
                    │             │  ┌─ Escherichia coli 042 (2)  
                    └─────────────┤ ┌┴─ Escherichia coli H299   
                                  │┌┴─ Escherichia coli MS 21-1   
                                  ││     ┌─ Escherichia coli O111:H- str. 11128   
                                  ││    ┌┴─ Escherichia coli MS 115-1   
                                  ││   ┌┴─ Escherichia coli K12 (31)  
                                  └┤  ┌┴─ Escherichia coli 101-1   
                                   │ ┌┴┬─ Escherichia coli H736   
                                   │┌┤ └─ Escherichia coli MS 69-1   
                                   ││└─ Escherichia coli MS 84-1   
                                   └┤  ┌─ Escherichia coli TA280   
                                    │ ┌┴─ Escherichia coli SMS-3-5   
                                    └┬┴─ Escherichia coli FVEC1302 (3)  
                                     └┬─ fig|1040638.4.peg.4183 O104:H4 str. LB226692 (11)  
                                      └┬─ Escherichia coli B7A (2)  
                                       └┬─ Escherichia coli O55:H7 str. CB9615   
                                        └─ Escherichia coli 1044A (23)  
  
Putrescine transport ATP-binding protein PotA (TC 3.A.1.11.1) (30)
Putrescine transport ATP-binding protein PotG (TC 3.A.1.11.2) (20)
Predicted L-rhamnose ABC transporter, ATP-binding component (2)
Others (3)