┬──────────────────────────────────────────────────────────────────── Escherichia coli (70-342/360) 2362-75 (2)  
└──────────────────────────────────────────────────────────────────┬─ Escherichia coli (73-365/365) K12 (7)  
                                                                   └┬─ Escherichia coli O83:H1 str. NRG 857C   
                                                                    └┬─ Escherichia coli O157:H7 EDL933 (1)  
                                                                     └┬─ fig|1040638.4.peg.2554 O104:H4 str. LB226692 (128)  
                                                                      └─ Escherichia coli 53638 (2)  
  

  
Peptide chain release factor 2; programmed frameshift-containing
 (3)
  
Peptide chain release factor 1
 (1)
  
 Others 
(2)