┌─ Escherichia coli (17-135/141) MS 78-1   
                                                           ┌┴─ Escherichia coli (17-135/141) 042 (1)  
                                                          ┌┴─ Escherichia coli (17-135/141) K12 (128)  
                                                         ┌┴─ Escherichia coli (17-135/141) TA206   
┌────────────────────────────────────────────────────────┴─────────── Escherichia coli (17-135/141) O157:H7 str. EC4024   
┤                                                       ┌─ Escherichia coli (11-142/142) MS 115-1   
└───────────────────────────────────────────────────────┤ ┌─ Escherichia coli (11-142/142) B354   
                                                        │┌┴─ Escherichia coli (11-142/142) B str. REL606 (3)  
                                                        └┤ ┌─ Escherichia coli (11-142/142) HS (1)  
                                                         └┬┴─ Escherichia coli (11-142/142) O111:H- str. 11128 (1)  
                                                          └┬─ Escherichia coli MS 175-1   
                                                           └─ Escherichia coli (11-142/142) K12 (113)  
  
Tol biopolymer transport system, TolR protein (7)
Biopolymer transport protein ExbD/TolR (5)