┌──────────────────────────── Escherichia coli 042 (6)  
│                       ┌─ Escherichia coli K12 (22)  
│                      ┌┴──────────── Escherichia coli MS 196-1   
│                     ┌┴─────────── Escherichia coli 53638 (1)  
│                    ┌┴┬──────────── Escherichia coli MS 146-1   
│        ┌───────────┤ └──────────── Escherichia coli MS 116-1 (1)  
│       ┌┤           └─────────────────────── Escherichia coli B185   
┤       │└──────────┬─────────── Escherichia coli EC4100B (2)  
│      ┌┤           └┬─────────── Escherichia coli H591 (1)  
│      ││            └─ Escherichia coli E110019 (5)  
│     ┌┤└─ Escherichia coli 1044A (26)  
│     ││            ┌─ Escherichia coli MS 182-1 (1)  
│     │└┬───────────┴──────────── Escherichia coli E24377A (1)  
│     │ └───────────┬─────────── Escherichia coli B171 (1)  
└─────┤             └─ fig|1040638.4.peg.4630 O104:H4 str. LB226692 (13)  
      │            ┌─────────────────────── Escherichia coli H299   
      │           ┌┴─────────────────────── Escherichia coli IAI39 (1)  
      │          ┌┴─ Escherichia coli B354   
      └──────────┤           ┌──────────── Escherichia coli MS 69-1   
                 └───────────┤┌─ Escherichia coli M718 (2)  
                             └┤┌─────────────────────── Escherichia coli MS 21-1   
                              └┤            ┌──────────── Escherichia coli 536 (1)  
                               └───────────┬┴──────────── Escherichia coli 83972 (5)  
                                           └┬─ Escherichia coli APEC O1 (10)  
                                            └┬──────────── Escherichia coli ED1a (1)  
                                             └───────────┬──────────── Escherichia coli 2362-75 (2)  
                                                         └┬─ Escherichia coli NC101 (2)  
                                                          └┬──────────── Escherichia coli WV_060327   
                                                           └──────────── Escherichia coli M605   
  
Ferrous iron transport periplasmic protein EfeO, contains peptidase-M75 domain and (frequently) cupredoxin-like domain (28)
Others (1)