┌────────────── Escherichia coli MS 115-1   
              ┌┴────────────── Escherichia coli MS 116-1   
            ┌─┴─ Escherichia coli K12 (18)  
┌───────────┴────────────── Escherichia coli (24-734/734) HS (1)  
┤ ┌─ Escherichia coli O157:H7 EDL933   
└─┤┌─ fig|1040638.4.peg.1749 O104:H4 str. LB226692 (49)  
  ││   ┌──────────────── Escherichia coli B7A (3) [2] 
  └┤ ┌─┴──────────────── Escherichia coli E110019  [2] 
   │┌┴────────────── Escherichia coli IAI1 (1)  
   └┤ ┌────────────── Escherichia coli (24-734/734) 53638 (5)  
    │┌┴──────────────── Escherichia coli ATCC 8739  [2] 
    └┤             ┌────────────── Escherichia coli (24-734/734) F11 (3)  
     └─────────────┤               ┌─ Escherichia coli SE15   
                   └─┬─────────────┴────────────── Escherichia coli M605   
                     └─┬─ Escherichia coli 042 (30)  
                       └┬────────────── Escherichia coli B354   
                        └─────────────┬── Escherichia coli 2362-75   
                                      └─────────────┬────────────── Escherichia coli (30-740/740) E2348/69   
                                                    └── Escherichia coli O127:H6 str. E2348/69   
  

  
Polyribonucleotide nucleotidyltransferase (EC 2.7.7.8)
 (18)
  
 Others 
(1)