┌───────────────────── Escherichia coli TA271   
│                                                              ┌─ Escherichia coli M605   
│                                                             ┌┴─ Escherichia coli SE15   
│                                                            ┌┴─ Escherichia coli NC101   
│                                                           ┌┴─ Escherichia coli H299   
│                                                          ┌┴─────────── Escherichia coli 536 (2)  
┤                                                         ┌┴─ Escherichia coli 2362-75   
│                                                        ┌┴─ Escherichia coli 83972 (8)  
│  ┌─────────────────────────────────────────────────────┴───┬─ Escherichia coli E2348/69   
│ ┌┤                                                         └─────── Escherichia coli APEC O1 (6)  
│┌┤└───────────────────── Escherichia coli M718   
││└─────────── Escherichia coli MS 69-1   
││             ┌─ Escherichia coli 1212A (2)  
└┤            ┌┴─ Escherichia coli 1044A (6)  
 │           ┌┴┬─ Escherichia coli O157:H7 str. EC4024 (3)  
 │┌──────────┤ └─────────── Escherichia coli 1125A   
 └┤          └─ Escherichia coli O55:H7 str. CB9615   
  └┬─────────── Escherichia coli FVEC1302 (3)  
   └┬─ Escherichia coli ETEC H10407   
    └┬─ Escherichia coli ATCC 8739 (1)  
     └┬─────────── Escherichia coli IAI39 (1)  
      └┬─ Escherichia coli K12 (42)  
       └┬─ Escherichia coli O111:H- str. 11128   
        └┬─────────── Escherichia coli SMS-3-5   
         └─ Escherichia coli E24377A (4)  
  
TolA protein (25)