┬────────────── Escherichia coli 1044A (24)  
└┬─────────────────────────────── Escherichia coli H299 (1)  
 └┬─ Escherichia coli K12 (57)  
  └┬─ Escherichia coli O127:H6 str. E2348/69 (3)  
   └┬─────────────── Escherichia coli B088 (13)  
    └───────────────┬─ Escherichia coli KO11 (6)  
                    └──────────────┬─ fig|1040638.4.peg.3781 O104:H4 str. LB226692 (14)  
                                   └┬─ Escherichia coli 1827-70 (1)  
                                    └────────────────────────────── Escherichia coli MS 182-1   
  

  
Threonyl-tRNA synthetase (EC 6.1.1.3)
 (8)
  
 Others 
(1)