┌─ Escherichia coli 1827-70 (10)  
                                                                       ┌┴─ Escherichia coli E24377A  [2] 
                                                                      ┌┴─ Escherichia coli 101-1 (6)  
                                                                     ┌┴┬─ Escherichia coli ED1a (1)  
                                                                    ┌┤ └─ Escherichia coli 042 (46)  
                                                                   ┌┤└─ Escherichia coli TA143   
                                                                  ┌┤└─ Escherichia coli K12 (57)  
                                                                 ┌┤└─ Escherichia coli TA280   
┌────────────────────────────────────────────────────────────────┤└─ Escherichia coli APEC O1 (2)  
│                                                                └─ Escherichia coli O83:H1 str. NRG 857C   
┤                                                           ┌─ Escherichia coli (5-336/337) MS 21-1   
│                                                           │  ┌─ Escherichia coli (5-336/337) H299   
│                                                           │ ┌┴─ Escherichia coli (5-336/337) 042 (2)  
└───────────────────────────────────────────────────────────┤ │       ┌─ Escherichia coli (5-336/337) WV_060327   
                                                            │ │      ┌┴─ Escherichia coli (5-336/337) NC101   
                                                            │ │     ┌┴─ Escherichia coli (5-336/337) 83972 (5)  
                                                            │ │    ┌┴┬─ Escherichia coli (5-336/337) 2362-75 (10)  
                                                            └─┤    │ └┬─ Escherichia coli (5-336/337) APEC O1 (5)  
                                                              │   ┌┤  └─ Escherichia coli (5-336/337) TA206   
                                                              │  ┌┤└─ Escherichia coli (5-336/337) SE15   
                                                              │ ┌┤└─ Escherichia coli (5-336/337) M605   
                                                              │ │└┬─ Escherichia coli (1-332/333) HS   
                                                              └─┤ └─ Escherichia coli (5-336/337) 1827-70 (6)  
                                                                │┌─ Escherichia coli (5-336/337) FVEC1302 (3)  
                                                                └┤┌─ Escherichia coli (5-336/337) TA280   
                                                                 ││   ┌─ Escherichia coli (5-336/337) 1044A (23)  
                                                                 └┤  ┌┴─ Escherichia coli (5-336/337) O55:H7 str. CB9615   
                                                                  │ ┌┴─ Escherichia coli (5-336/337) SMS-3-5   
                                                                  │┌┴┬─ Escherichia coli (5-336/337) B7A (2)  
                                                                  └┤ └─ fig|1040638.4.peg.4183 O104:H4 (5-336/337) str. LB226692 (11)  
                                                                   │┌─ Escherichia coli (5-336/337) MS 84-1   
                                                                   └┤┌─ Escherichia coli (5-336/337) K12 (31)  
                                                                    └┤┌─ Escherichia coli (1-332/333) H736   
                                                                     └┤ ┌─ Escherichia coli (5-336/337) O111:H- str. 11128   
                                                                      └┬┴─ Escherichia coli (5-336/337) MS 115-1   
                                                                       └┬─ Escherichia coli (5-336/337) 101-1   
                                                                        └─ Escherichia coli (5-336/337) MS 69-1   
  
Putrescine transport ATP-binding protein PotA (TC 3.A.1.11.1) (36)
Others (1)