┌──────── Escherichia coli F11 (2)  
                    ┌┴──────── Escherichia coli 2362-75 (3)  
            ┌───────┴─ Escherichia coli (6-259/259) CFT073 (5)  
    ┌───────┴─ Escherichia coli NC101   
   ┌┴─ Escherichia coli 536 (2)  
┌──┴─────────────────────── Escherichia coli SE15   
│             ┌─ Escherichia coli K12 (16)  
┤            ┌┴──────── Escherichia coli MS 115-1   
│    ┌───────┴──────── Escherichia coli B str. REL606 (3)  
│    │┌──────── Escherichia coli MS 21-1   
└────┤│          ┌─ Escherichia coli O26:H11 str. 11368   
     ││  ┌───────┴──────── Escherichia coli O111:H- str. 11128   
     └┤ ┌┴─ fig|1040638.4.peg.2223 O104:H4 str. LB226692 (49)  
      │┌┴┬─ Escherichia coli O157:H7 EDL933   
      ││ └┬──────── Escherichia coli H591 (1)  
      ││  └─────────────── Escherichia coli MS 124-1 (1)  
      └┤        ┌─ Escherichia coli TA271   
       │┌───────┴─────────────── Escherichia coli APEC O1 (7)  
       ││                                      ┌──────── Escherichia coli TA143   
       └┤                              ┌───────┴──────── Escherichia coli 042 (4)  
        │                      ┌───────┴─ Escherichia coli B354 (1)  
        │              ┌───────┴─────────────────────── Escherichia coli MS 69-1   
        └──────────────┤         ┌─────────────────────── Escherichia coli WV_060327   
                       │        ┌┴──────── Escherichia coli ED1a (1)  
                       └┬───────┴─ Escherichia coli O83:H1 str. NRG 857C   
                        └──────────────────────┬──────── Escherichia coli M718   
                                               └┬──────── Escherichia coli B185   
                                                └───────┬─ Escherichia coli HS (1)  
                                                        └───────┬──────── Escherichia coli 53638 (1)  
                                                                └──────── Escherichia coli IAI39 (1)  
  
iron-chelator utilization protein (24)
Iron utilization protein (2)
Siderophore-interacting protein (2)
siderophore-interacting protein (1)
Others (1)