┌─ Escherichia coli ED1a   
                                                                        ┌┴─ Escherichia coli TA280   
                                                                       ┌┴─ Escherichia coli B str. REL606 (2)  
                                                                      ┌┴┬─ Escherichia coli BW2952 (2)  
                                                                     ┌┤ └─ Escherichia coli (34-428/428) K12 (94)  
                                                                    ┌┤└─ Escherichia coli (34-428/428) E2348/69 (2)  
                           ┌────────────────────────────────────────┤└─ Escherichia coli (34-428/428) O157:H7 (24)  
┌──────────────────────────┤                                        └─ Escherichia coli (34-428/428) MS 21-1   
│                          └─────────────────────────────────────┬─ Escherichia coli (41-419/437) ED1a (1)  
│                                                                └┬─ Escherichia coli (41-419/437) K12 (9)  
│                                                                 └┬─ Escherichia coli (41-419/437) B171 (4)  
┤                                                                  └┬─ Escherichia coli (41-419/437) APEC O1 (112)  
│                                                                   └┬─ Escherichia coli (41-419/437) E110019 (1)  
│                                                                    └─ Escherichia coli (41-422/437) B185   
│                                                                 ┌─ Escherichia coli (68-453/463) E24377A (1)  
│                                                                 │┌─ Escherichia coli (68-453/463) B7A (5)  
└─────────────────────────────────────────────────────────────────┤│    ┌─ Escherichia coli (68-453/463) ED1a (19)  
                                                                  ││   ┌┴─ Escherichia coli (68-453/463) E2348/69 (1)  
                                                                  └┤  ┌┴─ Escherichia coli (68-453/463) S88 (6)  
                                                                   │ ┌┴─ Escherichia coli (68-453/463) 042 (12)  
                                                                   │┌┴─ Escherichia coli (68-453/463) IAI39 (1)  
                                                                   └┤┌─ Escherichia coli (68-453/463) 101-1   
                                                                    └┤┌─ Escherichia coli (68-453/463) 1125A (34)  
                                                                     └┤ ┌─ Escherichia coli (68-453/463) M718   
                                                                      └┬┴─ Escherichia coli (68-453/463) 1044A (6)  
                                                                       └┬─ Escherichia coli (68-453/463) K12 (23)  
                                                                        └┬─ fig|1040638.4.peg.3792 O104:H4 (68-453/463) str. LB226692 (10)  
                                                                         └─ Escherichia coli (68-453/463) MS 146-1   
  
L-cystine uptake protein TcyP (13)
Aerobic C4-dicarboxylate transporter for fumarate, L-malate, D-malate, succunate (8)
Proton/glutamate symport protein @ Proton/aspartate symport protein (6)
Others (1)