┌─ Escherichia coli (221-629/629) CFT073 (1)  
                                             ┌┴─ Escherichia coli (206-614/614) 83972 (5)  
                                            ┌┴─ Escherichia coli (206-614/614) 536 (4)  
                                           ┌┴┬─ Escherichia coli (221-629/629) APEC O1 (5)  
                                           │ └┬─ Escherichia coli (206-614/614) WV_060327   
                                          ┌┤  └─ Escherichia coli (206-614/614) TA206   
                                         ┌┤└─ Escherichia coli (206-614/614) M605   
                                        ┌┤└─ Escherichia coli (206-614/614) SE15   
┌───────────────────────────────────────┤└─ Escherichia coli (206-614/614) O55:H7 str. CB9615 (25)  
│                                       └─ Escherichia coli (206-614/614) 53638 (1)  
│                                                                      ┌─ Escherichia coli (214-725/725) IHE3034 (1)  
│                                                                     ┌┴─ Escherichia coli (214-725/725) 536 (4)  
│                                                                    ┌┴─ Escherichia coli (214-725/725) CFT073 (4)  
│                                                                   ┌┴─ Escherichia coli (214-725/725) H299   
┤                                                  ┌────────────────┴┬─ Escherichia coli (214-725/725) APEC O1 (6)  
│                                                  │                 └┬─ Escherichia coli (214-722/722) MS 124-1 (1)  
│                          ┌───────────────────────┤                  └─ Escherichia coli (214-720/720) S88   
│                    ┌─────┤                       └─────────────── Escherichia coli (212-746/746) 83972 (1)  
│                    │     └───────────────────────────────────────┬─ Escherichia coli (203-682/682) ED1a (1)  
│                    │                                             └┬─ Escherichia coli (203-682/682) H299 (3)  
│                    │                                              └┬─ Escherichia coli (203-682/682) APEC O1 (2)  
└────────────────────┤                                               └─ Escherichia coli (203-682/682) CFT073 (2)  
                     │            ┌─ Escherichia coli (179-641/641) IAI1 (1)  
                     │            │       ┌─ Escherichia coli (169-627/627) FVEC1302 (3)  
                     │            │      ┌┴─ Escherichia coli (169-627/627) 1212A (1)  
                     │            │     ┌┴┬─ Escherichia coli (169-627/627) O157:H7 str. EC4501 (1)  
                     └────────────┤    ┌┤ └─ Escherichia coli (201-659/659) O157:H7 EDL933 (1)  
                                  │   ┌┤└─ Escherichia coli (201-659/659) O157:H7 (21)  
                                  │  ┌┤└─ Escherichia coli (169-631/631) B354   
                                  │ ┌┤└─ Escherichia coli (201-663/663) 53638 (2)  
                                  │┌┤└─ Escherichia coli (179-641/641) MS 124-1 (1)  
                                  └┤└─ Escherichia coli (169-631/631) O103:H2 str. 12009   
                                   │┌─ Escherichia coli (179-641/641) TA280   
                                   └┤┌─ Escherichia coli (179-641/641) B str. REL606 (3)  
                                    └┤┌─ Escherichia coli (201-663/663) B7A (9)  
                                     ││  ┌─ Escherichia coli (179-641/641) SMS-3-5   
                                     └┤ ┌┴─ Escherichia coli (169-631/631) MS 115-1   
                                      │┌┴─ Escherichia coli (188-650/650) M605   
                                      └┤ ┌─ Escherichia coli (266-728/728) E2348/69 (2)  
                                       │┌┴─ Escherichia coli (201-663/663) B171 (1)  
                                       └┤ ┌─ Escherichia coli (201-663/663) F11 (2)  
                                        └┬┴─ Escherichia coli (179-641/641) 536 (1)  
                                         └┬─ Escherichia coli (266-728/728) 042 (1)  
                                          └─ Escherichia coli (201-663/663) K12 (57)  
  
Colicin I receptor precursor (22)
Outer membrane vitamin B12 receptor BtuB (10)
Outer Membrane Siderophore Receptor IroN (7)
TonB-dependent receptor; Outer membrane receptor for ferrienterochelin and colicins (5)