┌─ Escherichia coli (159-367/367) K12 (124)  
                                                              ┌┴─ Escherichia coli (159-367/367) O157:H7 EDL933   
                                                            ┌─┴── Escherichia coli (159-367/367) O111:H- str. 11128   
┌───────────────────────────────────────────────────────────┴┬── Escherichia coli (159-367/367) IAI39 (1)  
┤                                                            └─ Escherichia coli (159-367/367) M605 (3)  
│                                                          ┌── Escherichia coli (159-369/369) B354   
└──────────────────────────────────────────────────────────┤ ┌─ Escherichia coli (159-369/369) TA280   
                                                           │┌┴── Escherichia coli (159-369/369) H299   
                                                           └┤ ┌── Escherichia coli (159-369/369) B185   
                                                            └─┤ ┌──── Escherichia coli (177-387/387) IAI39 (1)  
                                                              │┌┴──── Escherichia coli (159-369/369) 101-1 (3)  
                                                              └┤┌─ Escherichia coli (159-369/369) K12 (89)  
                                                               └┤ ┌── Escherichia coli (159-369/369) E110019 (1)  
                                                                │┌┴── Escherichia coli (159-369/369) MS 21-1   
                                                                └┤┌── fig|1040638.4.peg.2041 O104:H4 str. LB226692   
                                                                 └┤ ┌── Escherichia coli (159-369/369) 2362-75 (2)  
                                                                  └─┤ ┌──── Escherichia coli (159-369/369) M605   
                                                                    └┬┴── Escherichia coli (159-369/369) APEC O1 (6)  
                                                                     └┬─ Escherichia coli (177-387/387) CFT073 (16)  
                                                                      └── Escherichia coli (159-369/369) O83:H1 str. NRG 857C   
  
High-affinity leucine-specific transport system, periplasmic binding protein LivK (TC 3.A.1.4.1) (14)
Branched-chain amino acid ABC transporter, amino acid-binding protein (TC 3.A.1.4.1) (5)
Others (1)