┌─────────────────────────── Escherichia coli MS 69-1   
│                            ┌─── Escherichia coli B171 (1) [2] 
│                           ┌┴─ Escherichia coli E24377A (9)  
┤                          ┌┴─ Escherichia coli B171   
│        ┌─────────────────┴┬────────────────── Escherichia coli H736   
│        │                  └──────────────────── Escherichia coli B171  [2] 
└────────┤┌─────────────────── Escherichia coli F11 (6) [2] 
         ││                   ┌────────────────── Escherichia coli H591   
         └┤  ┌────────────────┴──────────────────────────────────── Escherichia coli MS 107-1   
          │ ┌┴─────────────────── Escherichia coli ED1a (1) [2] 
          │┌┴─ Escherichia coli 55989 (36)  
          └┤ ┌──────────────────── Escherichia coli E24377A  [2] 
           └┬┴─────────────────── fig|1040638.4.peg.699 O104:H4 str. LB226692 (11) [2] 
            └┬────────────────────────────────────── Escherichia coli E24377A  [2] 
             └─────────────────┬────────────────── Escherichia coli 1827-70 (2)  
                               └─ Escherichia coli MS 21-1   
  

  
Retron-type reverse transcriptase
 (10)
  
Group II intron-encoded reverse transcriptase/maturase
 (4)
  
hypothetical protein
 (1)
  
 Others 
(1)