┌────────────────────────────── Escherichia coli (9-258/258) 042 (1)  
│                                  ┌─ Escherichia coli K12 (16)  
┤                                 ┌┴──────────────────────────────── fig|1040638.4.peg.4060 O104:H4 str. LB226692 (5)  
│ ┌───────────────────────────────┴──────────────────────────────── Escherichia coli B str. REL606 (3)  
└─┤┌─ Escherichia coli (5-254/254) ATCC 8739 (32)  
  └┤                                ┌─ Escherichia coli E22 (1)  
   └┬───────────────────────────────┴──────────────────────────────── Escherichia coli (9-258/258) B171 (1)  
    └┬──────────────────────────────── Escherichia coli H299   
     └┬──────────────────────────────── Escherichia coli B354   
      └───────────────────────────────┬─ Escherichia coli O157:H7 EDL933   
                                      └┬─ Escherichia coli O157:H7 str. EC869 (2)  
                                       └─ Escherichia coli (9-258/258) O157:H7 EDL933 (19)  
  

  
Gamma-glutamyl-GABA hydrolase (EC 3.5.1.94)
 (11)
  
 Others 
(1)