┌─── Escherichia coli 2362-75 (2)  
                                                   ┌─────┴──────────── Escherichia coli IAI39 (1)  
                                               ┌───┴─── Escherichia coli APEC O1 (5)  
                                   ┌───────────┴───────── Escherichia coli NC101   
                             ┌─────┴──── Escherichia coli TA206   
                          ┌──┴─ Escherichia coli ED1a (1)  
 ┌────────────────────────┴─ Escherichia coli WV_060327   
┌┴──── Escherichia coli 83972 (6)  
┤          ┌─── Escherichia coli 536 (4)  
│          │     ┌────── Escherichia coli HS (1)  
└──────────┤     │             ┌─── Escherichia coli TA280   
           │     │          ┌──┴───────── Escherichia coli MS 69-1   
           └─────┤         ┌┴───────── Escherichia coli 042 (1)  
                 │      ┌──┴────────┬─ Escherichia coli B354   
                 │┌─────┤           └────── Escherichia coli FVEC1302 (3)  
                 ││     └────── Escherichia coli TA143   
                 └┤                    ┌─ Escherichia coli SE15   
                  │          ┌─────────┴────── Escherichia coli M605   
                  │    ┌─────┴──────── Escherichia coli SMS-3-5   
                  └┬───┴────────────────── Escherichia coli MS 21-1   
                   └──┬────── Escherichia coli H299   
                      └──┬───────── Escherichia coli 1125A (25)  
                         └──┬─── Escherichia coli M718   
                            └─────┬────── Escherichia coli B185   
                                  └────────┬─── Escherichia coli E22 (1)  
                                           └┬─── Escherichia coli O103:H2 str. 12009   
                                            └┬─── Escherichia coli O111:H- str. 11128 (1)  
                                             └┬─── Escherichia coli 53638 (1)  
                                              └┬─ Escherichia coli K12 (34)  
                                               └┬─ Escherichia coli B088   
                                                └─── Escherichia coli E24377A (8)  
  

  
Putative electron transfer flavoprotein subunit ygcR
 (17)
  
Putative electron transfer flavoprotein subunit YgcR
 (9)
  
Electron transfer flavoprotein, beta subunit
 (3)
  
putative electron transfer flavoprotein subunit YgcR
 (2)