┌─ Escherichia coli (28-358/365) K12 (1)  
                                                                    ┌┴─ Escherichia coli (28-358/365) 53638   
                                                                   ┌┴─ Escherichia coli (28-358/365) 042 (11)  
┬──────────────────────────────────────────────────────────────────┴─ Escherichia coli (28-358/365) O157:H7 EDL933   
└──────────────────────────────────────────────────────────────────┬─ Escherichia coli 2362-75 (2)  
                                                                   └┬─ Escherichia coli O157:H7 EDL933 (1)  
                                                                    └┬─ Escherichia coli K12 (118)  
                                                                     └┬─ Escherichia coli M718   
                                                                      └┬─ Escherichia coli ED1a (1)  
                                                                       └─ Escherichia coli MS 115-1   
  

  
Peptide chain release factor 1
 (6)
  
Peptide chain release factor 2; programmed frameshift-containing
 (4)