┌──────────────── Escherichia coli APEC O1 (11)  
┤          ┌─────────────────────────── Escherichia coli M605   
└──────────┤┌─ Escherichia coli K12 (103)  
           └┤┌─ Escherichia coli MS 115-1 (3)  
            ││                            ┌─ Escherichia coli 2362-75 (1)  
            └┤ ┌──────────────────────────┴─ Escherichia coli O127:H6 str. E2348/69   
             │┌┴─ Escherichia coli O157:H7 EDL933 (1)  
             └┤                           ┌─────────────────────────── Escherichia coli O111:H- str. 11128   
              └┬──────────────────────────┴─ Escherichia coli O26:H11 str. 11368   
               └──────────────────────────┬─────────────────────────── Escherichia coli 536 (4)  
                                          └─ Escherichia coli TA143   
  

  
ABC transporter involved in cytochrome c biogenesis, CcmB subunit
 (11)