┌─ Escherichia coli K12 (8)  
                ┌─┴────────────────────────── Escherichia coli O55:H7 str. CB9615   
┌───────────────┴────────────────────────── Escherichia coli 1044A (24)  
┤        ┌────────────────────────── Escherichia coli MS 21-1   
└────────┤ ┌────────────────────────── Escherichia coli TA143   
         │ │ ┌─ Escherichia coli (1-409/410) 2362-75 (5)  
         └─┤┌┴─ Escherichia coli (8-417/417) 042 (23)  
           ││                            ┌────────────────────────── Escherichia coli SE11   
           └┤                           ┌┴─ Escherichia coli (1-409/410) MS 116-1 (1)  
            │                          ┌┴┬────────────────────────── Escherichia coli (8-417/417) B171 (1)  
            │┌─────────────────────────┤ └───────────────────────── Escherichia coli B str. REL606   
            └┤                         └─ fig|1040638.4.peg.807 O104:H4 str. LB226692 (38)  
             │                         ┌────────────────────────── Escherichia coli S88   
             └────────────────────────┬┴─ Escherichia coli APEC O1 (9)  
                                      └┬─ Escherichia coli (1-409/410) SE15   
                                       └┬────────────────────────── Escherichia coli 536 (4)  
                                        └────────────────────────── Escherichia coli ED1a (1)  
  

  
NadR transcriptional regulator / Nicotinamide-nucleotide adenylyltransferase, NadR family (EC 2.7.7.1) / Ribosylnicotinamide kinase (EC 2.7.1.22)
 (16)
  
 Others 
(1)