┌─ Escherichia coli 2362-75   
                         ├─ Escherichia coli 536   
                         ├─ Escherichia coli ABU 83972   
                         ├─ Escherichia coli APEC O1   
                         ├─ Escherichia coli CFT073   
                         ├─ Escherichia coli ED1a   
                         ├─ Escherichia coli F11   
                         ├─ Escherichia coli H299   
                         ├─ Escherichia coli M605   
                         ├─ Escherichia coli MS 200-1   
                         ├─ Escherichia coli O127:H6 str. E2348/69   
                         ├─ Escherichia coli S88   
                         ├─ Escherichia coli UTI89   
                        ┌┼─ Escherichia coli WV_060327   
                        │├─ Escherichia coli UTI89   
                        │├─ Escherichia coli SE15   
                        │├─ Escherichia coli O83:H1 str. NRG 857C   
                        │├─ Escherichia coli MS 45-1   
                        │├─ Escherichia coli MS 185-1   
                        │├─ Escherichia coli IHE3034   
                       ┌┤├─ Escherichia coli F11   
                       ││├─ Escherichia coli ED1a   
                       ││├─ Escherichia coli E2348/69   
                       ││├─ Escherichia coli CFT073   
        ┌──────────────┤│├─ Escherichia coli APEC O1   
        │              ││├─ Escherichia coli 83972   
        │              ││└─ Escherichia coli 536   
        │              │└─────────────── Escherichia coli TA206   
       ┌┤              └──────────────┬────────────────────────────── Escherichia coli NC101   
       ││                             └┬─────────────── Escherichia coli TA143   
┌──────┤│                              └─ Escherichia coli B354   
│      │└─────────────── Escherichia coli TA280   
│      └──────────────┬─ Escherichia coli MS 84-1   
│                     └─ Escherichia coli MS 124-1   
│                        ┌─ Escherichia coli BW2952   
│                        ├─ Escherichia coli H736   
│                        ├─ Escherichia coli MS 116-1   
│                        ├─ Escherichia coli MS 175-1   
│                        ├─ Escherichia coli W3110   
│                        ├─ Escherichia coli str. K-12 substr. DH10B   
│                        ├─ Escherichia coli str. K-12 substr. DH10B   
│         ┌──────────────┼─ Escherichia coli str. K-12 substr. MG1655   
┤         │              ├─ Escherichia coli str. K-12 substr. MG1655   
│         │              ├─ Escherichia coli str. K-12 substr. DH10B   
│         │              ├─ Escherichia coli str. K-12 substr. DH10B   
│        ┌┤              ├─ Escherichia coli MS 196-1   
│        ││              ├─ Escherichia coli MS 146-1   
│        ││              ├─ Escherichia coli K12   
│        ││              └─ Escherichia coli DH1   
│       ┌┤└─────────────── Escherichia coli MS 21-1   
│       ││┌─────────────── Escherichia coli ETEC H10407   
│       │││                ┌─ Escherichia coli IAI39   
│       │└┤ ┌──────────────┴─ Escherichia coli IAI39   
│       │ │┌┴─────────────── Escherichia coli M718   
│       │ └┤┌─ Escherichia coli FVEC1412   
└───────┤  │├─ Escherichia coli SMS-3-5   
        │  └┼─ Escherichia coli UMN026   
        │   ├─ Escherichia coli MS 198-1   
        │   └─ Escherichia coli FVEC1302   
        │                             ┌─ Escherichia coli E110019   
        │              ┌──────────────┴─ Escherichia coli E110019   
        │              │┌─────────────── Escherichia coli MS 115-1   
        └──────────────┤│               ┌─ Escherichia coli (18-234/234) ATCC 8739   
                       ││┌──────────────┴─ Escherichia coli ATCC 8739   
                       │││                ┌─ Escherichia coli B str. REL606   
                       └┤│                ├─ Escherichia coli (DE3) BL21(DE3)   
                        ││ ┌──────────────┼─ Escherichia coli OP50   
                        ││ │              ├─ Escherichia coli MS 187-1   
                        ││ │              └─ Escherichia coli BL21   
                        ││┌┤              ┌─ Escherichia coli E24377A   
                        └┤││              ├─ Escherichia coli MS 182-1   
                         ││└──────────────┼─ Escherichia coli MS 78-1   
                         ││               ├─ Escherichia coli EC4100B   
                         ││               └─ Escherichia coli E24377A   
                         ││┌─────────────── Escherichia coli MS 69-1   
                         │││┌─ fig|6666666.5357.peg.2325 TY-2482 strain   
                         │││├─ Escherichia coli 042   
                         │││├─ Escherichia coli 1044A   
                         └┤│├─ Escherichia coli 1212A   
                          ││├─ Escherichia coli 53638   
                          ││├─ Escherichia coli 536A   
                          ││├─ Escherichia coli 55989   
                          ││├─ Escherichia coli B171   
                          ││├─ Escherichia coli B185   
                          ││├─ Escherichia coli B7A   
                          ││├─ Escherichia coli HS   
                          ││├─ Escherichia coli IAI1   
                          ││├─ Escherichia coli KO11   
                          └┤├─ Escherichia coli MS 145-7   
                           │├─ Escherichia coli O111:H- str. 11128   
                           │├─ Escherichia coli O157:H7 EDL933   
                           │├─ Escherichia coli O157:H7 str. EC4024   
                           │├─ Escherichia coli O157:H7 str. EC4045   
                           │├─ Escherichia coli O157:H7 str. EC4113   
                           │├─ Escherichia coli O157:H7 str. EC4196   
                           │├─ Escherichia coli O157:H7 str. EC4401   
                           │├─ Escherichia coli O157:H7 str. EC4501   
                           │├─ Escherichia coli O157:H7 str. EC869   
                           │├─ Escherichia coli O157:H7 str. FRIK966   
                           │├─ Escherichia coli O157:H7 str. TW14359   
                           │├─ Escherichia coli O26:H11 str. 11368   
                           │├─ Escherichia coli SE11   
                           │├─ Escherichia coli W   
                           └┼─ Escherichia coli W   
                            ├─ Escherichia coli TA271   
                            ├─ Escherichia coli O55:H7 str. CB9615   
                            ├─ Escherichia coli O157:H7 str. TW14588   
                            ├─ Escherichia coli O157:H7 str. Sakai   
                            ├─ Escherichia coli O157:H7 str. FRIK2000   
                            ├─ Escherichia coli O157:H7 str. EC508   
                            ├─ Escherichia coli O157:H7 str. EC4486   
                            ├─ Escherichia coli O157:H7 str. EC4206   
                            ├─ Escherichia coli O157:H7 str. EC4115   
                            ├─ Escherichia coli O157:H7 str. EC4076   
                            ├─ Escherichia coli O157:H7 str. EC4042   
                            ├─ Escherichia coli O157:H7 EDL933   
                            ├─ Escherichia coli O157:H7   
                            ├─ Escherichia coli O103:H2 str. 12009   
                            ├─ Escherichia coli MS 119-7   
                            ├─ Escherichia coli IAI1   
                            ├─ Escherichia coli HS   
                            ├─ Escherichia coli H591   
                            ├─ Escherichia coli B7A   
                            ├─ Escherichia coli B171   
                            ├─ Escherichia coli B088   
                            ├─ Escherichia coli 55989   
                            ├─ Escherichia coli 53638   
                            ├─ Escherichia coli 1827-70   
                            ├─ Escherichia coli 1125A   
                            ├─ Escherichia coli 101-1   
                            ├─ Escherichia coli (18-234/234) 042   
                            └─ fig|1040638.4.peg.5266 O104:H4 str. LB226692   
  
Oxygen-insensitive NAD(P)H nitroreductase (EC 1.-.-.-) / Dihydropteridine reductase (EC 1.5.1.34) (129)
Oxygen-insensitive NAD(P)H nitroreductase (EC 1.-.-.-) / Dihydropteridine reductase (EC 1.6.99.7) (1)
Others (2)