┌─ Escherichia coli 1125A (16)  
               ┌───────────┴─────────── Escherichia coli 1044A (8)  
┌──────────────┴─ Escherichia coli M718   
┤        ┌─ Escherichia coli 042 (9)  
│       ┌┴──────────── Escherichia coli H299   
└───────┤          ┌──────────── Escherichia coli 55989 (1)  
        └──────────┤ ┌─ fig|1040638.4.peg.4063 O104:H4 str. LB226692 (18)  
                   │┌┴─────────── Escherichia coli O111:H- str. 11128   
                   └┤┌──────────── Escherichia coli EC4100B   
                    └┤            ┌─ Escherichia coli ATCC 8739 (3)  
                     │┌───────────┴──────────── Escherichia coli MS 115-1   
                     └┤                       ┌─────────────────────── Escherichia coli MS 21-1   
                      │           ┌───────────┴─ Escherichia coli E110019 (1)  
                      └───────────┤  ┌──────────── Escherichia coli ETEC H10407   
                                  │ ┌┴──────────── Escherichia coli MS 196-1   
                                  └┬┴─────────── Escherichia coli KO11 (2)  
                                   └┬─ Escherichia coli K12 (24)  
                                    └┬──────────── Escherichia coli MS 187-1   
                                     └──────────── Escherichia coli B185   
  

  
Gamma-glutamyl-putrescine oxidase (EC1.4.3.-)
 (18)
  
 Others 
(1)