┬─────────────────────────────────── Escherichia coli IAI39 (2)  
└───────────────────────────────┬─ Escherichia coli K12 (102)  
                                └┬─ Escherichia coli 536 (22)  
                                 └┬───────────────────────────────── Escherichia coli MS 124-1 (1)  
                                  └───────────────────────────────── Escherichia coli EC4100B   
  

  
ABC-type multidrug transport system, permease component
 (4)
  
Putative transport protein
 (1)