┌─────────────────────────────────────────────────────────────────── Escherichia coli (824-896/962) E24377A (1)  
┤                                                                 ┌─ Escherichia coli (69-169/169) K12 (50)  
└─────────────────────────────────────────────────────────────────┤ ┌─ Escherichia coli O83:H1 str. NRG 857C   
                                                                  └┬┴─ Escherichia coli (80-180/180) 83972 (14)  
                                                                   └┬─ Escherichia coli (80-180/180) M718   
                                                                    └┬─ Escherichia coli (80-180/180) H591 (32)  
                                                                     └┬─ Escherichia coli (80-180/180) E2348/69 (1)  
                                                                      └─ Escherichia coli (80-180/180) SMS-3-5 (1)  
  
Similar to C-terminal Zn-finger domain of DNA topoisomerase I (7)
DNA helicase IV (1)