┌─ Escherichia coli (14-401/407) MS 21-1 (13)  
                                                                      ┌┴─ Escherichia coli (14-401/407) SMS-3-5   
                                                                     ┌┴─ Escherichia coli (14-401/407) ED1a (1)  
                                                                    ┌┴─ Escherichia coli (14-401/407) WV_060327   
                                                                   ┌┴─ Escherichia coli (14-401/407) 101-1 (18)  
┌──────────────────────────────────────────────────────────────────┴─ Escherichia coli (14-401/407) MS 185-1   
┤                                                                  ┌─ Escherichia coli IAI39 (1)  
└──────────────────────────────────────────────────────────────────┤┌─ Escherichia coli MS 21-1   
                                                                   └┤ ┌─ Escherichia coli B088 (17)  
                                                                    │┌┴─ Escherichia coli B171 (1)  
                                                                    └┤┌─ Escherichia coli 2362-75   
                                                                     ││ ┌─ Escherichia coli B354   
                                                                     └┤┌┴─ Escherichia coli MS 175-1   
                                                                      ││ ┌─ Escherichia coli B7A (7)  
                                                                      └┤┌┴─ Escherichia coli WV_060327   
                                                                       ││  ┌─ Escherichia coli APEC O1 (8)  
                                                                       └┤ ┌┴─ Escherichia coli ED1a (1)  
                                                                        │┌┴─ Escherichia coli MS 196-1   
                                                                        └┤ ┌─ Escherichia coli TA280   
                                                                         └┬┴─ Escherichia coli B185 (1)  
                                                                          └┬─ Escherichia coli K12 (40)  
                                                                           └┬─ Escherichia coli O157:H7 str. EC4024 (6)  
                                                                            └─ Escherichia coli 1044A (16)  
  

  
Cytosine permease
 (19)
  
Cytosine/purine/uracil/thiamine/allantoin permease family protein
 (4)