┌─ Escherichia coli (17-434/434) APEC O1 (20)  
                                                                          ┌┴─ Escherichia coli (17-434/434) CFT073 (2)  
                                                                         ┌┴─ Escherichia coli (17-434/434) E2348/69 (4)  
                                                                        ┌┴─ Escherichia coli 83972 (4)  
                                                                       ┌┴─ Escherichia coli SMS-3-5   
                                                                      ┌┴┬─ Escherichia coli (17-434/434) E24377A (1)  
                                                                      │ └┬─ Escherichia coli MS 78-1   
                                                                     ┌┤  └─ Escherichia coli (17-434/434) E110019 (2)  
                                                                    ┌┤└─ Escherichia coli (17-434/434) B171 (1)  
                                                                    │└┬─ Escherichia coli 1827-70   
                                                                   ┌┤ └─ Escherichia coli (17-434/434) O157:H7 EDL933 (1)  
                                                     ┌─────────────┤└─ Escherichia coli K12 (83)  
                                   ┌─────────────────┤             └─ Escherichia coli B088   
                                   │                 └──────────── Escherichia coli (2-412/418) IAI39 (1)  
┌──────────────────────────────────┤            ┌──── Escherichia coli IAI39 (1)  
│                                  │            │       ┌─ Escherichia coli MS 124-1 (1)  
│                                  └────────────┤      ┌┴─ Escherichia coli 55989 (1)  
│                                               │     ┌┴┬─ fig|6666666.5357.peg.21 TY-2482 strain (4)  
│                                               │    ┌┤ └─ Escherichia coli MS 107-1   
│                                               └────┤└─ Escherichia coli MS 119-7 (1)  
┤                                                    └┬─ Escherichia coli K12 (13)  
│                                                     └┬─ Escherichia coli TA143   
│                                                      └┬─ Escherichia coli M605   
│                                                       └┬─ Escherichia coli S88   
│                                                        └─ Escherichia coli 2362-75 (29)  
│                                                              ┌─ Escherichia coli (1-401/425) 1044A (24)  
│                                                              │┌─ Escherichia coli (1-401/425) 042 (6)  
└──────────────────────────────────────────────────────────────┤│    ┌─ Escherichia coli (1-401/425) 2362-75 (24)  
                                                               ││   ┌┴─ Escherichia coli (1-401/425) E2348/69 (1)  
                                                               └┤  ┌┴─ Escherichia coli (1-401/425) MS 185-1   
                                                                │ ┌┴─ Escherichia coli (1-401/425) CFT073 (2)  
                                                                │┌┴─ Escherichia coli (1-401/425) O55:H7 str. CB9615   
                                                                └┤┌─ Escherichia coli (1-401/425) 101-1 (5)  
                                                                 └┤┌─ Escherichia coli (1-401/425) B7A (2)  
                                                                  └┤┌─ Escherichia coli (1-401/425) B185   
                                                                   ││  ┌─ Escherichia coli (1-401/425) K12 (31)  
                                                                   └┤ ┌┴─ Escherichia coli (1-401/425) SE11   
                                                                    │┌┴─ Escherichia coli (1-401/425) MS 175-1   
                                                                    └┤ ┌─ Escherichia coli (1-401/425) 1827-70 (11)  
                                                                     └┬┴─ Escherichia coli (1-401/425) MS 78-1   
                                                                      └┬─ Escherichia coli (1-401/425) E22 (1)  
                                                                       └─ Escherichia coli (1-401/425) B171 (2)  
  
Putative nucleoside transporter YegT (17)
Nucleoside permease NupG (14)
Xanthosine permease (10)
Others (1)