┌────────────────── Escherichia coli B185   
│ ┌─ Escherichia coli M718 (2)  
│┌┴─── Escherichia coli 1044A (24)  
┤│            ┌─ fig|1040638.4.peg.3347 O104:H4 str. LB226692 (11)  
││         ┌──┴─ Escherichia coli E24377A   
││        ┌┴┬──── Escherichia coli 1827-70   
││       ┌┤ └─ Escherichia coli K12 (8)  
└┤      ┌┤└─ Escherichia coli 101-1 (30)  
 │      │└┬──── Escherichia coli (1-309/315) str. K-12 substr. DH10B  [2] 
 │      │ └┬──── Escherichia coli EC4100B   
 │  ┌───┤  └───┬─── Escherichia coli 042 (1)  
 │  │   │      └┬──── Escherichia coli MS 69-1   
 └──┤   │       └────────────── Escherichia coli H299   
    │   └─── Escherichia coli MS 107-1   
    │┌─────────── Escherichia coli FVEC1302 (4)  
    └┤  ┌──── Escherichia coli TA280   
     │  │          ┌─ Escherichia coli SMS-3-5   
     └──┤      ┌───┴─── Escherichia coli MS 21-1   
        │   ┌──┴─ Escherichia coli IAI39 (1)  
        │  ┌┴─ Escherichia coli B354   
        └──┤                     ┌─ Escherichia coli 536 (4)  
           └─────────────────────┤       ┌─────────── Escherichia coli NC101   
                                 │      ┌┴─ Escherichia coli TA206   
                                 └──────┤                  ┌─ Escherichia coli E2348/69 (2)  
                                        │                 ┌┴──── Escherichia coli 2362-75   
                                        └──────────┬──────┴─────────── Escherichia coli O83:H1 str. NRG 857C   
                                                   └┬─ Escherichia coli ED1a (1)  
                                                    └┬─────── Escherichia coli M605 (1)  
                                                     └──── Escherichia coli 83972 (12)  
  

  
Ribonuclease Z (EC 3.1.26.11)
 (28)
  
 Others 
(1)