┌──────────────────────────────── Escherichia coli O111:H- str. 11128   
│                                     ┌─────────────────────── Escherichia coli TA206   
┤                                    ┌┴─────────────────────── Escherichia coli M605   
│             ┌──────────────────────┴┬─ Escherichia coli (25-430/430) APEC O1 (14)  
│             │                       └─────────────────────── Escherichia coli SE15   
└─────────────┤ ┌─────────────────────── Escherichia coli SE11   
              │┌┴─────────────────────── Escherichia coli MS 21-1   
              └┤┌─────────────────────── Escherichia coli 042 (6)  
               └┤  ┌─────────────────────── Escherichia coli MS 69-1   
                │ ┌┴─────────────────────────────────────────────── Escherichia coli EC4100B (2)  
                └┬┴─ Escherichia coli K12 (77)  
                 └┬─────────────────────── Escherichia coli (25-430/430) 53638 (4)  
                  └──────────────────────┬─ Escherichia coli E24377A (6)  
                                         └─────────────────────── Escherichia coli (25-430/430) B171 (8)  
  

  
Phosphopantothenoylcysteine decarboxylase (EC 4.1.1.36) / Phosphopantothenoylcysteine synthetase (EC 6.3.2.5)
 (14)