┌─ Escherichia coli MS 69-1   
                                     ┌───────┴──────── Escherichia coli FVEC1302 (3)  
                             ┌───────┴─ Escherichia coli K12 (32)  
                     ┌───────┴─ Escherichia coli str. K-12 substr. DH10B   
             ┌───────┴─ Escherichia coli E22   
┌────────────┴─ Escherichia coli B088 (18)  
┤        ┌────── Escherichia coli (1-279/282) O111:H- str. 11128 (1)  
│      ┌─┴───────── Escherichia coli (1-261/264) O157:H7 str. EC4486   
└──────┤┌─ Escherichia coli (1-279/282) 1044A (27)  
       └┤┌──────── Escherichia coli (1-279/282) E110019 (1)  
        └┤         ┌─ Escherichia coli (1-279/282) MS 115-1   
         │         │                          ┌─ Escherichia coli (1-279/282) 042 (1)  
         └─────────┤                  ┌───────┴──────── Escherichia coli (1-279/282) B185   
                   │          ┌───────┴─ Escherichia coli (1-280/282) B354   
                   └─────────┬┴─ Escherichia coli (1-280/282) H299 (5)  
                             └┬──────── Escherichia coli (1-279/282) EC4100B (1)  
                              └──────────┬──────── Escherichia coli (1-279/282) 2362-75   
                                         └┬─ Escherichia coli (1-279/282) 83972 (10)  
                                          └────────────────────┬──────── Escherichia coli APEC O1 (6)  
                                                               └─ Escherichia coli 536 (9)  
  

  
Bis(5'-nucleosyl)-tetraphosphatase, symmetrical (EC 3.6.1.41)
 (20)