┌─ Escherichia coli E110019 (1)  
                                    ┌───────────────┴──────────────── Escherichia coli IAI1 (1)  
                    ┌───────────────┴─ Escherichia coli E24377A (7)  
                   ┌┴─ Escherichia coli B7A (2)  
   ┌───────────────┴────────────────────────────────┬──────────────── Escherichia coli ETEC H10407   
  ┌┤                                                └─ Escherichia coli K12 (18)  
  │└───────────────┬──────────────── Escherichia coli 1044A (24)  
 ┌┤                └──────────────── Escherichia coli O55:H7 str. CB9615   
┌┤└─ fig|1040638.4.peg.3804 O104:H4 str. LB226692 (11)  
│└┬──────────────── Escherichia coli B171 (6)  
│ └───────────────┬──────────────── Escherichia coli H591 (4)  
│                 └┬─ Escherichia coli M718   
│                  └┬──────────────── Escherichia coli B354   
┤                   └──────────────── Escherichia coli 101-1 (5)  
│                                                ┌──────────────── Escherichia coli 042 (1)  
│                                               ┌┴─ Escherichia coli FVEC1302 (6)  
│                               ┌───────────────┴──────────────── Escherichia coli MS 69-1   
│               ┌───────────────┴─ Escherichia coli H299   
└───────────────┤┌──────────────── Escherichia coli MS 115-1   
                └┤┌─ Escherichia coli 536 (14)  
                 └┤ ┌──────────────── Escherichia coli B185   
                  └┬┴──────────────── Escherichia coli APEC O1 (7)  
                   └┬──────────────── Escherichia coli 2362-75 (2)  
                    └──────────────── Escherichia coli SE15   
  

  
NAD synthetase (EC 6.3.1.5)
 (23)
  
 Others 
(1)