┌─ Escherichia coli (20-386/386) B7A (1)  
                                                                      ┌┴─ Escherichia coli (20-386/386) 042 (7)  
                                                                     ┌┴─ Escherichia coli O157:H7 EDL933   
                                                                    ┌┴─ Escherichia coli (20-386/386) 53638 (12)  
                                                                   ┌┴─ Escherichia coli K12 (86)  
                                                                  ┌┴┬─ Escherichia coli 2362-75   
                                                                 ┌┤ └─ Escherichia coli O111:H- str. 11128   
                                                                ┌┤└─ Escherichia coli (20-386/386) E2348/69 (1)  
                                                               ┌┤└─ Escherichia coli O157:H7 str. FRIK966   
                                                               │└┬─ Escherichia coli IAI39 (1)  
                                                              ┌┤ └─ Escherichia coli M605 (3)  
                                                             ┌┤└─ Escherichia coli B354 (1)  
                                                            ┌┤└─ Escherichia coli B088 (6)  
┌───────────────────────────────────────────────────────────┤└─ Escherichia coli MS 78-1   
┤                                                           └─ Escherichia coli MS 69-1   
│                                                           ┌─ Escherichia coli B185   
└───────────────────────────────────────────────────────────┤ ┌─ Escherichia coli (19-387/387) 042 (33)  
                                                            │┌┴─ Escherichia coli (2-358/358) O157:H7 str. FRIK966   
                                                            └┤┌─ Escherichia coli K12 (52)  
                                                             └┤┌── Escherichia coli 101-1 (3)  
                                                              └┤┌─ Escherichia coli E110019 (1)  
                                                               └┤┌── Escherichia coli B354   
                                                                └┤ ┌─ Escherichia coli TA280   
                                                                 │┌┴─ Escherichia coli H299   
                                                                 └┤┌─ Escherichia coli (19-387/387) MS 69-1   
                                                                  ││  ┌─ Escherichia coli SMS-3-5   
                                                                  └┤ ┌┴── Escherichia coli (19-387/387) IAI39 (1)  
                                                                   │┌┴─ Escherichia coli MS 21-1   
                                                                   └┤ ┌─ Escherichia coli ED1a (3)  
                                                                    └┬┴─ Escherichia coli O83:H1 str. NRG 857C   
                                                                     └┬─ Escherichia coli 536 (12)  
                                                                      └┬─ Escherichia coli APEC O1 (6)  
                                                                       └┬── Escherichia coli M605   
                                                                        └─ Escherichia coli 2362-75 (2)  
  

  
High-affinity leucine-specific transport system, periplasmic binding protein LivK (TC 3.A.1.4.1)
 (19)
  
Branched-chain amino acid ABC transporter, amino acid-binding protein (TC 3.A.1.4.1)
 (15)