┌── Escherichia coli ED1a   
                           ┌──────────────┴─────────────── Escherichia coli APEC O1 (6)  
                         ┌─┴────────────────────────────── Escherichia coli NC101   
                       ┌─┴─┬─────────────── Escherichia coli IAI39 (1)  
        ┌──────────────┤   └── Escherichia coli 536 (4)  
┌───────┤              └─────────────── Escherichia coli 2362-75 (1)  
│       └── Escherichia coli TA206   
┤                     ┌────────────────────────────── Escherichia coli SMS-3-5   
│      ┌──────────────┴── Escherichia coli 83972 (4)  
└──────┤ ┌── Escherichia coli SE15   
       └─┤ ┌────────────────────────────── Escherichia coli H299   
         │ │                ┌─────────────── Escherichia coli 042 (1)  
         └─┤ ┌──────────────┴─────────────── Escherichia coli FVEC1302 (3)  
           │ │   ┌─────────────── Escherichia coli MS 69-1   
           └─┤ ┌─┴─────────────── Escherichia coli B354   
             │ │                  ┌─────────────── Escherichia coli TA143   
             └─┤                ┌─┴─────────────── Escherichia coli O103:H2 str. 12009   
               │              ┌─┴───────────────── fig|1040638.4.peg.1271 O104:H4 str. LB226692  [2] 
               │              │   ┌── Escherichia coli K12 (42)  
               └──────────────┤ ┌─┴─────────────── Escherichia coli MS 187-1   
                              │ │                  ┌── Escherichia coli 1044A (19)  
                              └─┤   ┌──────────────┴─────────────── Escherichia coli O55:H7 str. CB9615   
                                │ ┌─┴─────────────── Escherichia coli HS (1)  
                                └─┤   ┌─────────────── Escherichia coli KO11 (2)  
                                  │ ┌─┴────────────────────────────── Escherichia coli B185   
                                  └─┤                ┌─────────────── Escherichia coli MS 182-1   
                                    └──────────────┬─┴── Escherichia coli MS 124-1 (3)  
                                                   └─┬─────────────── Escherichia coli O26:H11 str. 11368   
                                                     └─────────────── Escherichia coli EC4100B   
  
DNA polymerase I (EC 2.7.7.7) (28)
Others (1)