┌─ Escherichia coli (39-301/313) B354   
                                                                        ┌┴─ Escherichia coli (39-301/313) H299   
                                                                       ┌┴─ Escherichia coli (39-301/313) 042 (6)  
                                                                      ┌┴─ Escherichia coli (39-301/313) MS 182-1   
                                                                     ┌┴─ fig|1040638.4.peg.4184 O104:H4 (39-301/313) str. LB226692 (48)  
                                                                    ┌┴┬─ Escherichia coli (39-301/313) 1044A (6)  
                                                                    │ └┬─ Escherichia coli (39-301/313) 2362-75 (21)  
                                                                   ┌┤  └┬─ Escherichia coli (39-301/313) M605   
                                                                   ││   └─ Escherichia coli (39-301/313) NC101 (2)  
┌──────────────────────────────────────────────────────────────────┤└─ Escherichia coli (39-301/313) H591 (2)  
│                                                                  └┬─ Escherichia coli (39-301/313) K12 (24)  
┤                                                                   └─ Escherichia coli (49-301/313) MS 146-1   
│                                                                 ┌─ Escherichia coli (11-282/287) CFT073   
└─────────────────────────────────────────────────────────────────┤┌─ Escherichia coli (1-272/277) CFT073 (1)  
                                                                  └┤┌─ Escherichia coli 83972 (3)  
                                                                   └┤┌─ Escherichia coli K12 (38)  
                                                                    └┤ ┌─ Escherichia coli (1-272/277) 53638 (10)  
                                                                     │┌┴─ Escherichia coli (1-271/277) E110019 (2)  
                                                                     └┤  ┌─ Escherichia coli O157:H7 str. EC508   
                                                                      │ ┌┴─ Escherichia coli (1-271/277) 1044A (15)  
                                                                      └┬┴─ Escherichia coli (1-272/277) MS 69-1   
                                                                       └┬─ Escherichia coli OP50   
                                                                        └┬─ Escherichia coli SMS-3-5   
                                                                         └┬─ Escherichia coli (1-254/259) O127:H6 str. E2348/69   
                                                                          └┬─ Escherichia coli (11-285/285) 042 (28)  
                                                                           └┬─ Escherichia coli (11-282/287) 53638 (6)  
                                                                            └┬─ Escherichia coli (11-281/287) 2362-75 (6)  
                                                                             └─ Escherichia coli (11-281/287) 1212A (6)  
  
Spermidine Putrescine ABC transporter permease component PotB (TC 3.A.1.11.1) (27)
Others (1)