┌─ Escherichia coli (1-555/556) 83972 (2)  
                                                           ┌───┴───── Escherichia coli (1-555/556) CFT073 (1) [2] 
                                                          ┌┴──── Escherichia coli (1-555/556) O83:H1 str. NRG 857C   
                                                         ┌┴───┬──── Escherichia coli (1-555/556) 536 (1)  
                                                        ┌┤    └─ Escherichia coli (1-555/556) F11 (2)  
                                                    ┌───┤└─ Escherichia coli (1-555/556) NC101 (2)  
                                       ┌────────────┤   └──── Escherichia coli (1-555/556) M605   
                                       │            └───┬──── Escherichia coli (16-570/571) E2348/69   
                      ┌────────────────┤                └┬──── Escherichia coli (1-555/556) 2362-75   
                      │                │                 └─ Escherichia coli (1-555/556) O127:H6 str. E2348/69   
                     ┌┤                └─ Escherichia coli (1-558/562) WV_060327   
                     │└───────────┬──────────────────── Escherichia coli (1-558/562) H299   
            ┌────────┤            └──────────── Escherichia coli (1-558/562) 042  [2] 
            │        └───── Escherichia coli (1-558/562) APEC O1 (5) [2] 
           ┌┤         ┌───────── Escherichia coli (1-558/562) MS 69-1   
           │└┬────────┴───────────── Escherichia coli (1-555/556) TA280   
           │ └┬───────────────── Escherichia coli (1-558/562) IAI39 (1)  
  ┌────────┤  └────────────────┬───────────── Escherichia coli (1-558/562) MS 21-1   
  │        │                   └───────────── Escherichia coli (1-558/562) SMS-3-5   
┌─┤        └────────┬───────────── Escherichia coli (1-555/556) FVEC1302 (3)  
│ │                 └──── Escherichia coli (1-555/556) TA143   
│ └───────────────── Escherichia coli (1-558/562) B354   
│                                     ┌─ Escherichia coli (1-555/556) K12 (13)  
┤                                    ┌┴──── Escherichia coli (1-555/556) ETEC H10407   
│                                   ┌┴──── Escherichia coli (16-570/571) ATCC 8739   
│                               ┌───┴──── Escherichia coli (1-555/556) MS 175-1   
│                            ┌──┴─┬──────── Escherichia coli (1-555/556) 101-1 (5)  
│                            │    └────────┬────────────────────────── Escherichia coli (1-558/562) M718   
└────────────────────────────┤             └───────────── Escherichia coli (1-558/562) B185   
                             │┌─ Escherichia coli (1-555/556) B088   
                             └┤                             ┌─ Escherichia coli (1-558/562) 1044A (22)  
                              │       ┌─────────────────────┴──── Escherichia coli (1-558/562) O157:H7 str. EC869 (2)  
                              └───┬───┴─────────────────────────── Escherichia coli (1-555/556) 1827-70   
                                  └┬─ Escherichia coli (1-558/562) B171 (4)  
                                   └─┬─ fig|6666666.5357.peg.3727 TY-2482 (1-555/556) strain (24)  
                                     └─┬──── Escherichia coli (1-555/556) O111:H- str. 11128 (1)  
                                       └───── fig|1040638.4.peg.5459 O104:H4 str. LB226692   
  
Choline dehydrogenase (EC 1.1.99.1) (35)
Others (2)