┌─ Escherichia coli (4-683/689) 042 (14)  
                                                          ┌┴─ Escherichia coli (4-683/689) B354   
                                                         ┌┴┬─ Escherichia coli (4-683/689) O157:H7 str. EC869 (2)  
                                                        ┌┤ └─ Escherichia coli (4-683/689) MS 21-1   
                                                        │└┬─ Escherichia coli (11-707/713) 042 (3)  
   ┌────────────────────────────────────────────────────┤ └┬─ Escherichia coli (11-707/713) 1044A (2)  
   │                                                    │  └─ Escherichia coli (4-683/689) O157:H7 str. EC4501 (2)  
┌──┤                                                    └─ Escherichia coli (4-683/689) O157:H7 EDL933   
│  └────────────────────────────────────────────────────────────────┬─ fig|6666666.5357.peg.3442 TY-2482 (28-759/759) strain   
│                                                                   └┬─ fig|1040638.4.peg.1199 O104:H4 str. LB226692 (4)  
│                                                                    └┬─ Escherichia coli MS 69-1   
│                                                                     └┬─ Escherichia coli (28-759/759) CFT073 (5)  
│                                                                      └─ Escherichia coli TA206   
┤       ┌─────────────────────────────────────────────────── Escherichia coli (1-695/700) E110019 (1)  
│       │                                                        ┌─ fig|1040638.4.peg.3523 O104:H4 str. LB226692 (3)  
│       │                                                       ┌┴─ Escherichia coli O26:H11 str. 11368   
│       │                                                      ┌┴─ Escherichia coli UM146 (2)  
│       │                                                     ┌┴─ Escherichia coli IAI39 (1)  
│       │                                                    ┌┴┬─ Escherichia coli ETEC H10407   
└───────┤                                                   ┌┤ └─ Escherichia coli H299   
        │                                                  ┌┤└─ Escherichia coli MS 200-1   
        │                                                 ┌┤└─ Escherichia coli 042 (1)  
        │                                                ┌┤└─ Escherichia coli 536 (23)  
        │                                               ┌┤└─ Escherichia coli TA206   
        │                                               │└┬─ Escherichia coli MS 182-1   
        │            ┌──────────────────────────────────┤ └─ Escherichia coli ED1a (1)  
        └────────────┤                                  └─ Escherichia coli APEC O1 (4)  
                     │                                      ┌─ Escherichia coli (33-769/771) 536 (6)  
                     └──────────────────────────────────────┤┌─ Escherichia coli (4-744/746) 83972 (1)  
                                                            └┤ ┌─ Escherichia coli (4-744/746) CFT073 (10)  
                                                             │┌┴─ Escherichia coli (4-744/746) 2362-75   
                                                             └┤┌─ Escherichia coli (4-744/746) M605 (1)  
                                                              └┤┌─ Escherichia coli (4-744/746) S88   
                                                               ││  ┌─ Escherichia coli (4-721/746) MS 185-1   
                                                               └┤ ┌┴─ Escherichia coli (4-667/684) ED1a (1)  
                                                                │┌┴─ Escherichia coli (4-744/746) SMS-3-5   
                                                                └┤┌─ Escherichia coli (4-744/746) B354   
                                                                 ││  ┌─ Escherichia coli (4-744/746) 1044A (24)  
                                                                 └┤ ┌┴─ Escherichia coli (4-744/746) O157:H7 EDL933   
                                                                  │┌┴─ Escherichia coli (4-744/746) B185 (1)  
                                                                  ││┌─ Escherichia coli (4-744/746) E24377A (4)  
                                                                  └┤│    ┌─ Escherichia coli (4-744/746) H591   
                                                                   ││   ┌┴─ Escherichia coli (4-744/746) MS 145-7   
                                                                   ││  ┌┴─ Escherichia coli (4-744/746) MS 107-1   
                                                                   └┤ ┌┴┬─ fig|1040638.4.peg.5274 O104:H4 (4-744/746) str. LB226692 (19)  
                                                                    │┌┤ └─ Escherichia coli (4-744/746) O26:H11 str. 11368   
                                                                    ││└┬─ Escherichia coli (4-744/746) E22 (2)  
                                                                    ││ └─ Escherichia coli (4-721/746) B171 (1)  
                                                                    ││    ┌─ Escherichia coli (4-744/746) MS 69-1   
                                                                    └┤   ┌┴─ Escherichia coli (4-744/746) TA280   
                                                                     │  ┌┴─ Escherichia coli (4-744/746) 042 (7)  
                                                                     │ ┌┴─ Escherichia coli (4-744/746) IAI39 (1)  
                                                                     │┌┴─ Escherichia coli (4-744/746) MS 21-1   
                                                                     └┤┌─ Escherichia coli (4-744/746) HS (1)  
                                                                      └┤┌─ Escherichia coli (4-744/746) 1827-70 (3)  
                                                                       └┤ ┌─ Escherichia coli (4-744/746) MS 116-1   
                                                                        └┬┴─ Escherichia coli (4-744/746) 101-1 (7)  
                                                                         └┬─ Escherichia coli (4-744/746) MS 187-1   
                                                                          └─ Escherichia coli (4-744/746) K12 (9)  
  
TonB-dependent receptor; Outer membrane receptor for ferric enterobactin and colicins B, D (15)
iron aquisition outermembrane yersiniabactin receptor (FyuA,Psn,pesticin receptor) (11)
TonB-dependent receptor; Outer membrane receptor for ferrienterochelin and colicins (11)
Putative iron compound receptor (8)
COG4771: Outer membrane receptor for ferrienterochelin and colicins (3)
Aerobactin siderophore receptor IutA @ TonB-dependent siderophore receptor (3)
ferrienterobactin receptor precursor (2)
Probable tonB-dependent receptor yncD precursor (1)
Pesticin receptor precursor (1)
Others (4)