┌────────────────────────────────────────────────────────────────── Escherichia coli (2-203/400) B171   
┤                                                       ┌────────── Escherichia coli O157:H7 str. EC4024   
└───────────────────────────────────────────────────────┤        ┌─ Escherichia coli FVEC1302 (6)  
                                                        └────────┤ ┌─ Escherichia coli K12 (95)  
                                                                 └┬┴─ Escherichia coli ETEC H10407   
                                                                  └┬─ Escherichia coli MS 124-1 (1)  
                                                                   └┬─ Escherichia coli 2362-75 (24)  
                                                                    └┬─ Escherichia coli 83972   
                                                                     └─ Escherichia coli ABU 83972   
  

  
3,4-dihydroxy-2-butanone 4-phosphate synthase
 (8)
  
3,4-dihydroxy-2-butanone 4-phosphate synthase / GTP cyclohydrolase II (EC 3.5.4.25)
 (1)