┬──────────────────────────────────────────────────────────────────── Escherichia coli (111-891/949) MS 115-1   
└──────────────────────────────────────────────────────────────────┬─ Escherichia coli TA206   
                                                                   └┬─ Escherichia coli H299 (1)  
                                                                    └┬─ Escherichia coli MS 119-7   
                                                                     └┬─ Escherichia coli K12 (76)  
                                                                      └┬─ Escherichia coli M718   
                                                                       └─ Escherichia coli (5-861/861) APEC O1 (2)  
  

  
ClpB protein
 (6)
  
ATP-dependent Clp protease ATP-binding subunit ClpA
 (1)