┌─ Escherichia coli (18-207/212) 1044A (21)  
                                        ┌┴─ Escherichia coli (18-207/212) O157:H7 EDL933 (1)  
                                       ┌┴┬─ Escherichia coli (18-207/212) B171 (8)  
                                      ┌┤ └─ Escherichia coli (18-207/212) 101-1 (8)  
                                     ┌┤└─ Escherichia coli (18-207/212) WV_060327   
                                    ┌┤└─ fig|1040638.4.peg.3874 O104:H4 (18-207/212) str. LB226692 (36)  
                                    │└┬─ Escherichia coli (18-207/212) TA280   
            ┌───────────────────────┤ └─ Escherichia coli (18-207/212) 536 (23)  
            │                       └┬─ Escherichia coli (18-207/212) M718 (4)  
            │                        └┬─ Escherichia coli (18-207/212) K12 (16)  
┌───────────┤                         └─ Escherichia coli (18-207/212) MS 116-1 (2)  
│           │                                         ┌─ Escherichia coli (11-178/206) SMS-3-5   
│           └─────────────────────────────────────────┤┌─ Escherichia coli (11-178/206) E24377A (3)  
│                                                     └┤ ┌─ fig|1040638.4.peg.1237 O104:H4 (11-178/206) str. LB226692 (113)  
│                                                      │┌┴─ Escherichia coli (11-178/206) MS 115-1   
│                                                      └┤ ┌─ Escherichia coli (11-178/206) H299   
│                                                       └┬┴─ Escherichia coli (11-178/206) 53638 (3)  
│                                                        └┬─ Escherichia coli (11-178/206) O103:H2 str. 12009   
│                                                         └─ Escherichia coli (11-178/206) IAI39 (1)  
│                                                      ┌─ Escherichia coli 536 (25)  
│                                                     ┌┴─ Escherichia coli O127:H6 str. E2348/69   
│                                                    ┌┴─ Escherichia coli SE15   
│                                                   ┌┴┬─ Escherichia coli NC101 (1)  
┤                                                   │ └┬─ Escherichia coli (3-206/206) B354   
│                                                  ┌┤  └─ Escherichia coli (3-206/206) H299   
│                                                 ┌┤└─ Escherichia coli TA280   
│                                                ┌┤└─ Escherichia coli B str. REL606 (13)  
│                                               ┌┤└─ Escherichia coli E24377A (3)  
│                                               │└─ Escherichia coli E110019 (6)  
│                                              ┌┤┌─ fig|1040638.4.peg.1236 O104:H4 str. LB226692 (56)  
│                                              │└┤ ┌─ Escherichia coli B171 (1)  
│                                              │ └┬┴─ Escherichia coli O157:H7 str. EC4486 (1)  
│                   ┌──────────────────────────┤  └┬─ Escherichia coli (3-206/206) ETEC H10407   
│                   │                          │   └─ Escherichia coli MS 124-1 (8)  
│           ┌───────┤                          └─ Escherichia coli 1125A   
│           │       └──────────────────────────────────────────────── Escherichia coli (9-200/212) O157:H7 str. EC4024   
│           │                           ┌─ Escherichia coli (7-203/210) M605 (1)  
└───────────┤                           │    ┌─ Escherichia coli (7-203/210) ED1a (1)  
            │                           │   ┌┴─ Escherichia coli (7-203/210) TA206   
            │                           │  ┌┴─ Escherichia coli (7-203/210) H299 (1)  
            └───────────────────────────┤ ┌┴┬─ Escherichia coli (20-217/224) CFT073 (5)  
                                        │┌┤ └─ Escherichia coli (7-204/211) 2362-75 (2)  
                                        ││└─ Escherichia coli (20-217/224) F11 (4)  
                                        ││   ┌─ Escherichia coli (7-203/210) MS 116-1   
                                        └┤  ┌┴─ Escherichia coli (7-203/210) MS 78-1   
                                         │ ┌┴─ Escherichia coli (12-208/215) B7A (1)  
                                         │┌┴─ Escherichia coli (20-216/223) K12 (47)  
                                         ││  ┌─ Escherichia coli (20-216/223) 042 (1)  
                                         └┤ ┌┴─ Escherichia coli (20-216/223) B088 (9)  
                                          │┌┴─ Escherichia coli (7-203/210) O103:H2 str. 12009   
                                          └┤ ┌─ Escherichia coli (7-203/210) TA280   
                                           └┬┴─ Escherichia coli (7-203/210) IAI39 (2)  
                                            └┬─ Escherichia coli (12-208/215) O157:H7 (26)  
                                             └┬─ Escherichia coli (7-203/210) O55:H7 str. CB9615   
                                              └┬─ Escherichia coli (7-203/210) SMS-3-5   
                                               └─ Escherichia coli (7-203/210) B185   
  
Threonine efflux protein (16)
L-lysine permease (14)
Putative transport protein (10)
Homoserine/homoserine lactone efflux protein (7)
Putative efflux protein in 2-methylcitrate synthase cluster (6)
Others (3)