┌─ Escherichia coli (32-222/239) 042 (51)  
                                                                   ┌┴─ Escherichia coli (32-229/239) MS 69-1   
┌──────────────────────────────────────────────────────────────────┴─ Escherichia coli (32-222/239) K12 (80)  
┤                                                                  ┌─ Escherichia coli O103:H2 str. 12009   
└──────────────────────────────────────────────────────────────────┤┌─ Escherichia coli TA280   
                                                                   └┤┌─ Escherichia coli HS (5)  
                                                                    └┤┌─ Escherichia coli NC101   
                                                                     └┤ ┌─ Escherichia coli MS 182-1 (1)  
                                                                      └┬┴─ Escherichia coli 53638 (2)  
                                                                       └┬─ Escherichia coli K12 (117)  
                                                                        └┬─ Escherichia coli (1-212/215) WV_060327   
                                                                         └─ Escherichia coli M605   
  

  
5'-methylthioadenosine nucleosidase (EC 3.2.2.16) / S-adenosylhomocysteine nucleosidase (EC 3.2.2.9)
 (9)
  
Purine nucleoside phosphorylase (EC 2.4.2.1)
 (3)