┌─ Escherichia coli MS 107-1   
┌───────────┴──────────────── Escherichia coli B171 (4)  
┤   ┌──────────────── Escherichia coli B354 (3)  
│   │                  ┌─ Escherichia coli 83972 (7)  
└───┤  ┌───────────────┴──────────────── Escherichia coli TA206   
    │ ┌┴──────────────── Escherichia coli WV_060327   
    │┌┴──────────────── Escherichia coli MS 200-1   
    └┤┌─ Escherichia coli K12 (53)  
     └┤┌──────────────── Escherichia coli E2348/69 (1)  
      └┤                ┌──────────────── Escherichia coli B str. REL606 (9)  
       └┬───────────────┴─ Escherichia coli 53638 (1)  
        └───────────────┬─ Escherichia coli IAI1 (1)  
                        └┬─────────────────────────────── fig|1040638.4.peg.935 O104:H4 str. LB226692 (17)  
                         └───────────────┬─ Escherichia coli H591 (1)  
                                         └───────────────┬──────────────── Escherichia coli MS 116-1 (1)  
                                                         └─ Escherichia coli 101-1 (15)  
  

  
Ribonucleotide reductase of class III (anaerobic), activating protein (EC 1.97.1.4)
 (15)
  
 Others 
(1)