┌─ Escherichia coli (95-351/419) K12 (96)  
                                                         ┌┴─ Escherichia coli (95-351/419) MS 145-7   
┌────────────────────────────────────────────────────────┴─ Escherichia coli (95-351/419) 536 (37)  
┤                                                                   ┌─ Escherichia coli (26-307/325) 1125A (3)  
│                                                      ┌────────────┴─ Escherichia coli (26-307/325) O157:H7 str. FRIK2000   
└──────────────────────────────────────────────────────┤  ┌─ Escherichia coli (1-304/305) TA143   
                                                       │ ┌┴─ Escherichia coli (1-304/305) 042 (1)  
                                                       └─┤┌─ fig|6666666.5357.peg.3236 TY-2482 strain   
                                                         └┤  ┌─ Escherichia coli APEC O1 (12)  
                                                          │ ┌┴─ Escherichia coli 2362-75 (2)  
                                                          └┬┴─ Escherichia coli EC4100B   
                                                           └┬─ Escherichia coli K12 (104)  
                                                            └┬─ Escherichia coli M718   
                                                             └┬─ Escherichia coli E24377A (1)  
                                                              └─ Escherichia coli F11 (1)  
  
Putative stomatin/prohibitin-family membrane protease subunit YbbK (11)
HflK protein (3)
Others (1)