┌─ Escherichia coli APEC O1 (7)  
┌───────────────────┴────────────────────── Escherichia coli 83972 (5)  
┤ ┌─ Escherichia coli 042 (21)  
└─┤┌────────────────────── Escherichia coli IAI39 (4)  
  └┤                                           ┌─ Escherichia coli O55:H7 str. CB9615   
   │                     ┌─────────────────────┴────────────────────── Escherichia coli 1044A (17)  
   └─────────────────────┤ ┌────────────────────── Escherichia coli (338-550/550) 1827-70   
                         └┬┴─ Escherichia coli K12 (54)  
                          └─────────────────────┬────────────────────── Escherichia coli ED1a (1)  
                                                └─ Escherichia coli TA280   
  

  
Thymidylate kinase (EC 2.7.4.9)
 (9)
  
FIG004453: protein YceG like
 (1)