┬────────────────────────────────────────────────────────────────── Escherichia coli (52-145/146) APEC O1 (1)  
└─────────────────────────────────────────────────────────────────┬── Escherichia coli MS 78-1   
                                                                  └┬─ Escherichia coli (1-96/97) 83972 (1)  
                                                                   └─ Escherichia coli K12 (130)  
  

  
Heat shock protein 60 family co-chaperone GroES
 (4)