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

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