┌─ Escherichia coli (18-342/344) H299 (1)  
                                                                      ┌┴─ Escherichia coli (18-342/344) MS 78-1   
                                                                     ┌┴─ Escherichia coli (18-342/344) S88   
                                                                    ┌┴─ Escherichia coli (18-342/344) 536 (18)  
                                                                   ┌┴─ fig|1040638.4.peg.3547 O104:H4 (18-342/344) str. LB226692 (10)  
                                                                  ┌┴─ Escherichia coli (18-342/344) E22 (2)  
                                                                 ┌┴─ Escherichia coli (18-342/344) MS 119-7   
┌────────────────────────────────────────────────────────────────┴─ Escherichia coli (18-342/344) ED1a (1)  
│                                                                ┌─ Escherichia coli IAI39 (2)  
┤                                                               ┌┴─ Escherichia coli TA206   
│                                                               │     ┌─ Escherichia coli 2362-75 (3)  
│                                                               │    ┌┴─ Escherichia coli 536 (4)  
└───────────────────────────────────────────────────────────────┤   ┌┴─ Escherichia coli 83972 (6)  
                                                                │  ┌┴─ Escherichia coli M605 (1)  
                                                                │ ┌┴─ Escherichia coli APEC O1 (8)  
                                                                │┌┴─ Escherichia coli NC101 (1)  
                                                                └┤┌─ Escherichia coli B185   
                                                                 └┤┌─ Escherichia coli EC4100B   
                                                                  └┤┌─ Escherichia coli E24377A (2)  
                                                                   ││  ┌─ Escherichia coli MS 78-1   
                                                                   └┤ ┌┴─ Escherichia coli MS 182-1   
                                                                    │┌┴─ Escherichia coli H591 (9)  
                                                                    ││┌─ Escherichia coli B171 (4)  
                                                                    └┤│    ┌─ Escherichia coli 042 (2)  
                                                                     ││   ┌┴─ Escherichia coli FVEC1302 (3)  
                                                                     └┤  ┌┴─ Escherichia coli B354   
                                                                      │ ┌┴┬─ Escherichia coli MS 69-1   
                                                                      │┌┤ └─ Escherichia coli TA280   
                                                                      └┤└─ Escherichia coli H299   
                                                                       │┌─ Escherichia coli 1827-70   
                                                                       └┤  ┌─ Escherichia coli K12 (20)  
                                                                        │ ┌┴─ Escherichia coli 53638 (1)  
                                                                        └┬┴─ Escherichia coli MS 187-1   
                                                                         └┬─ fig|1040638.4.peg.1947 O104:H4 str. LB226692 (10)  
                                                                          └┬─ Escherichia coli E110019 (1)  
                                                                           └┬─ Escherichia coli MS 107-1   
                                                                            └─ Escherichia coli HS (1)  
  

  
Phosphotriesterase like protein
 (28)
  
Puative phophotriesterase
 (6)
  
Phosphotriesterase related protein
 (1)
  
 Others 
(2)