┌────── Escherichia coli 83972 (1)  
                                 ┌┴──────────────────────────────────── Escherichia coli (1-315/316) H299   
                                ┌┴─ Escherichia coli 536 (8)  
                          ┌─────┴────── Escherichia coli CFT073 (3)  
                         ┌┴─ Escherichia coli 101-1 (13)  
┌────────────────────────┴────── Escherichia coli TA206   
┤                             ┌──────────── Escherichia coli MS 187-1   
└─────────────────────────────┤ ┌─ Escherichia coli K12 (65)  
                              └┬┴─ Escherichia coli 1044A (25)  
                               └┬────── Escherichia coli IAI39 (2)  
                                └┬────── Escherichia coli TA280   
                                 └┬────── Escherichia coli B7A (3)  
                                  └────── Escherichia coli B185   
  

  
Glutathione synthetase (EC 6.3.2.3)
 (13)