┌─ Escherichia coli (2-250/292) MS 187-1   
                                                                      ┌┴─ Escherichia coli (2-250/292) B str. REL606 (5)  
                                                                     ┌┴─ Escherichia coli (2-250/291) NC101   
                                                                    ┌┴─ Escherichia coli (2-250/292) TA206   
                                                                   ┌┴─ Escherichia coli (2-250/293) K12 (8)  
                                                                  ┌┴─ Escherichia coli (2-250/292) APEC O1 (2)  
                                                                 ┌┴─ Escherichia coli (2-250/292) M605   
                                                                ┌┴─ Escherichia coli (2-250/292) B185   
                                                               ┌┴─ Escherichia coli (2-250/292) 83972 (1)  
                                                              ┌┤ ┌─ Escherichia coli (2-250/292) ATCC 8739 (1)  
                                                              │└┬┴─ Escherichia coli (2-250/292) TA271   
                                                              │ └┬─ Escherichia coli (2-250/292) E24377A (1)  
┌─────────────────────────────────────────────────────────────┤  └┬─ Escherichia coli (2-250/292) B7A (1)  
│                                                             │   └┬─ Escherichia coli (2-250/292) O26:H11 str. 11368   
│                                                             │    └─ Escherichia coli (2-250/291) IHE3034 (4)  
│                                                             └─ Escherichia coli (2-250/292) EC4100B   
│                                                                ┌─ Escherichia coli 042 (1)  
┤                                                               ┌┴─ Escherichia coli ED1a (3)  
│                                                              ┌┴─ Escherichia coli K12 (117)  
│                                                             ┌┴─ Escherichia coli MS 69-1   
│                                                            ┌┴┬─ Escherichia coli MS 21-1   
│                                       ┌────────────────────┤ └─ Escherichia coli SMS-3-5   
│                                       │                    └─ Escherichia coli IAI39 (1)  
└───────────────────────────────────────┤                   ┌─ Escherichia coli (5-293/298) 1827-70   
                                        │                   │     ┌─ Escherichia coli (1-290/298) H736 (2)  
                                        └───────────────────┤    ┌┴─ Escherichia coli (5-288/296) HS  [2] 
                                                            │ ┌──┴─ Escherichia coli (7-290/298) MS 175-1   
                                                            │ │   ┌─ Escherichia coli (5-296/297) MS 116-1 (1)  
                                                            └─┤  ┌┴─ Escherichia coli (5-288/297) B171 (4)  
                                                              │  │    ┌─ Escherichia coli (9-300/301) 042 (1)  
                                                              └──┤   ┌┴─ Escherichia coli (5-292/297) WV_060327   
                                                                 │  ┌┴─ Escherichia coli (5-293/297) MS 107-1   
                                                                 └──┤ ┌─ Escherichia coli (5-293/297) 2362-75   
                                                                    │┌┴─ Escherichia coli (5-292/297) H299   
                                                                    └┤┌─ Escherichia coli (9-297/301) CFT073   
                                                                     └┤┌─ Escherichia coli (5-293/297) K12 (28)  
                                                                      ││┌─ fig|6666666.5357.peg.2857 TY-2482 (5-293/297) strain   
                                                                      └┤│    ┌─ Escherichia coli (5-293/297) MS 119-7   
                                                                       ││   ┌┴─ Escherichia coli (5-293/297) E22 (7)  
                                                                       └┤  ┌┴─ Escherichia coli (5-293/297) NC101   
                                                                        │ ┌┴─ Escherichia coli (5-293/297) MS 45-1 (1)  
                                                                        │┌┴─ Escherichia coli (5-293/297) ETEC H10407   
                                                                        ││  ┌─ Escherichia coli (5-293/297) MS 182-1   
                                                                        └┤ ┌┴─ Escherichia coli (5-293/297) ATCC 8739   
                                                                         │┌┴─ Escherichia coli (5-293/297) MS 78-1   
                                                                         └┤ ┌─ Escherichia coli (5-292/297) 53638   
                                                                          └┬┴─ Escherichia coli (5-293/297) H591   
                                                                           └┬─ Escherichia coli (5-293/297) MS 196-1   
                                                                            └─ Escherichia coli (5-293/297) E2348/69   
  
UTP--glucose-1-phosphate uridylyltransferase (EC 2.7.7.9) (32)
Glucose-1-phosphate thymidylyltransferase (EC 2.7.7.24) (16)
Others (1)